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Stow MS20E Model Vehicle User Manual

1. GUIDE VALVE 05 OPTIONAL GUIDE EX VALVE OS OPTIONAL CLIP VALVE GUIDE GASKET CYLINDER HEAD COVER COMP HEAD GASKET CYLINDER HEAD COVER SEAT VALVE SPRING BOLT HEAD COVER BOLT STUD 8X123 BOLT STUD 8X47 WASHER COMP HEAD COVER PIN A DOWEL 12X20 BULK HOSE VACUUM 11X1000 11X100 BOLT FLANGE 10X80 SPARK PLUG BPR6ES NGK SPARK PLUG W20EPR U DENSO QTY HONDA GX240K1HA2 ENGINE CYLINDER HEAD ASSY REMARKS T 1 A ND ND INCLUDES ITEMS W MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 PAGE 67 HONDA GX240K1HA2 ENGINE FAN COVER ASSY FAN COVER ASSY PAGE 68 MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 HONDA GX240K1HA2 ENGINE FAN COVER ASSY FAN COVER ASSY NO PART NO PART NAME Q 167312 2003 CLIP TUBE 19610ZE2010ZC COVER COMP FAN NH1 BLACK 19631ZE2D00 SHROUD 32197ZH8003 SUB HARNESS 361002E1015 SWITCH ASSY ENGINE STOP 90013883000 BOLT FLANGE 6X12 CT200 90684ZA0601 CLIP WIRE HARNESS Y REMARKS O m MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 PAGE 69 HONDA GX240K1HA2 FLYWHEEL ASSY FLYWHEEL ASSY PAGE 70 MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL
2. RE HONDA 85 108 20771 354 ENGINE MOUNT 121 06500 010 CAP SCREW 5 16 18 x 1 1 4 MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 PAGE 39 MS20H MS20E MIXER ELECTRIC MOTOR ASSY ELECTRIC ELECTRIC MOTOR ASSY O A U MOUNT TO E FRAME SEE PAGE 48 PAGE 40 STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 MS20H MS20E MIXER ELECTRIC MOTOR ASSY ELECTRIC ELECTRIC MOTOR ASSY NO PART NO PART NAME QTY REMARKS 20 20178 001 PILLOW BLOCK 2 27 07030 006 FLAT WASHER 3 8 40 28 07029 006 LOCK WASHER 3 8 50 29 07033 006 HEX NUT 3 8 16 50 32 07030 005 FLAT WASHER 5 16 6 33 07029 005 LOCK WASHER 5 16 6 34 07033 005 HEX NUT 5 16 18 6 82 493206 MOTOR amp CONTROL ASSY 1 83 20250 352 MOTOR MOUNT UNIT 1 84 502213 DRIVE PULLEY 1 92 20216 001 PINION amp SHAFT 1 93 530088 DRIVEN PULLEY 1 94 10057 032 SQUARE KEY 1 4 x 1 1 2 2 95 491112 V BELT 2 99 24975 001 BELT RETAINER BAR 1 100 12969 008 SOCKET SET SCREW 5 16 18 4 101 06500 008 CAP SCREW 5 16 18 x 1 5 MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 PAGE 41 MS20H MS20E MIXER STEEL ASSY STEEL TUB ASSY PART OF FRAME REAR 2 PART OF FRAME PAGE 42 MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 MS20H MS20E
3. REV 3 08 10 06 HONDA GX240K1HA2 ENGINE FLYWHEEL ASSY FLYWHEEL ASSY NO PART NO PART NAME QTY REMARKS 1 195112 2000 FAN COOLING 1 2 28450ZE2W 11 PULLEY STARTER SCREEN GRID 1 4 311002 2010 FLYWHEEL COMP 1 7 1 8 1 90201ZE3V00 NUT SPECIAL 16MM 907412 2000 KEY SPECIAL WOODRUFF 25 18 MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 PAGE 71 HONDA GX240K1HA2 ENGINE MUFFLER ASSY MUFFLER ASSY PAGE 72 MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 HONDA GX240K1HA2 ENGINE MUFFLER ASSY MUFFLER ASSY NO PART NAME QTY REMARKS 1 18310ZE2W00 MUFFLER 1 2 183207 2 01 PROTECTOR MUFFLER 1 18323ZE2W00 1 4 18330ZE2W00 1 5 183317 2810 MUFFLER 1 6 183332 3800 1 7 183557 2010 ARRESTER SPARK 1 8 183817 2 10 GASKET MUFFLER ARRESTER 1 9 183812 2800 GASKET MUFFLER 1 10 90013883000 BOLT FLANGE 6 X 12 200 1 11 90050ZE1000 SCREW TAPPING 5 X 8 6 12 90055ZE1000 SCREW TAPPING 4 X 6 3 13 900507 1000 SCREW TAPPING 5 X 8 OPTIONAL 1 14 9405008000 NUT FLANGE 8MM 5 MQ STOW MS20H MS20E MIXER PARTS 8 OPERATION MANUAL REV 3 08 10 06 PAGE 73 HONDA GX240K1HA2 ENGINE FUELTANK ASSY FUEL TANK ASSY PAGE 74 MQ STOW MS20H MS20E MI
4. CONTACT MQ PARTS DEPT 11 25474 001 DECAL CAUTION DRUMLOCK 1 12 21513 001 DECAL WARNING TOW POLE 1 13 DCLMS20 INCLUDES ITEMS W SEE DECAL ILLUSTRATIONS ON PAGE 11 MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 PAGE 37 xo 8 0 gt jam KK X gt CD lt Lu Lu O T CC Lu gt lt Lu HONDA ENGINE ASSY PAGE 38 MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 MS20H MS20E MIXER HONDA ENGINE ASSY HONDA ENGINE ASSY NO PART NO PART NAME QTY REMARKS 11 20559 001 POWER MOUNT SPRING 1 20 20178 001 PILLOW BLOCK BEARING 27 07030 006 FLAT WASHER 3 8 44 28 07029 006 LOCK WASHER 3 8 50 29 07033 006 HEX NUT 3 8 16 50 32 07030 005 FLAT WASHER 5 16 6 33 07029 005 LOCK WASHER 5 16 6 34 07033 005 HEX NUT 5 16 18 6 42 06501 014 CAP SCREW 3 8 16 x 1 3 4 4 66 06500 016 CAP SCREW 5 16 18 x 2 45 7 0 94 10057 032 SQUARE KEY 1 4 x 1 1 2 3 97 GX240K1HA2 ENGINE 8 HONDA REPLACES 21922 401 99 24975 001 BELT RETAINER 1 98 505205 DRIVE PULLEY 1 100 12969 008 SOCKET SET SCREW 5 16 18 4 102 20019 001 PINION SHAFT 1 103 20022 001 PINION GEAR 1 104 492077 DRIVEN PULLEY 1 106 07030 016 FLAT WASHER AR 107 503640 V BELT O
5. COPYRIGHT 2002 MULTIQUIP INC PARTS AND OPERATION MANUAL STOW A DIVISION OF MULTIQUIP INC PLASTER MORTAR MIXER MS20H Steel Gasoline MS20E Steel Electric Effective S N 5 55001 Revision 3 08 10 06 STOW CONSTRUCTION EQUIPMENT PARTS DEPARTMENT A DIVISION OF MULTIQUIP INC 800 427 1244 rotte POST OFFICE BOX 6254 FAX 800 672 7877 CARSON CALIFORNIA 90749 SERVICE DEPARTMENT TECHNICAL ASSISTANCE 310 537 3700 888 252 STOW 888 252 7869 800 478 1244 FAX 310 537 1986 FAX 800 556 1986 FAX 310 631 5032 E MAIL stow amp multiquip com WWW stowmfg com CALIFORNIA Proposition 65 Warning Engine exhaust and some of its constituents and some dust created by power sanding sawing grinding drilling and otherconstruction activities contains chemicals known to the State of California to cause cancer birth defects and other reproductive harm Some examples of these chemicals are e Leadfrom lead based paints e Crystalline silicafrom bricks e Cement and other masonry products e Arsenicandchromiumfrom chemically treated lumber Your risk from these exposures varies depending onhowoften youdothistype of work To reduce your exposure to these chemicals ALWAYS work in a well ventilated area and work with approved safety equipment such as dust masks that are specially designed to filter out microscopic particles PAGE 2 MQ STOW MS20H MS20E MIXER PARTS amp
6. END CAST PADDLE me INCORRECT ROTATION LU lt m z CORRECT INCORRECT ama L INN VA H SE NE A 1 CORRECT myr ny 4 SIDE PADDLE BLADE PADDLE BLADE IS TIGHT AGAINST DRUM ROTATION s SIDE WALLS DRUM END AND SIDE WALLS Figure 9 Paddle Blade Adjustment Steel Drum PAGE 22 MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 CAUTION that does not provide ample free flow of air ALWAYS wear approved eye and hearing protection before operating the mixer NEVER place hands or feet inside the guard cover while the engine is running ALWAYS shut the engine down before performing any kind of maintenance service on the trowel It is recommended that the mixer s kill switch be used to stop the engine after every use Doing this will verify that the switch is working properly and presents no danger to the operator Before Starting 1 Read safety instructions at the beginning of manual 2 Clean the mixer removing dirt and dust particularly the engine cooling air inlet carburetor and air cleaner 3 Check theairfilter for dirt and dust If air filter is dirty replace air filter with new one as required 4 Check carburetor for external dirt and dust Clean with dry compressed air 5 Check fastening nuts and bolts for tightness Engine Oil Check 1
7. 72 73 Fuel Tank Assembly 74 75 Ignition Coil 76 77 Piston Assemb y 78 79 Recoil c 80 81 Gear Reduction Assembly 82 83 Label Assembly l EEE 84 85 Terms and Conditions Of Sale Parts 86 NOTE 12 Specification and e part number are 1 subject to change without notice PAGE 4 MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 PARTS ORDERING PROCEDURES When ordering parts please supply the following information Dealer account number Dealer name and address Shipping address if different than billing address O Return faxnumber O Applicable model number J Quantity part number and description of each part O Specify preferred method of shipment v FedEx or UPS Ground Note Unless otherwise indicated by customer all FedEx UPS Second Day or Third Day orders are treated as Standard Orders and will FedEx or UPS Next Day ship within 24 hours We will make every effort to ship Air Shipments the same day that order is received if prior to 2 west coast time Stock 4 DHL Orders must be so noted on fax or web forms v Truck Here s how t t hel Place Your Parts Order Via Web or Fax ere s how to get help For Even More Savinus
8. Tocheckthe engine oillevel place the trowel on secure level ground with the engine stopped 2 Remove the filler dipstick from the engine oil filler hole Figure 10 and wipe it clean MS20H MS20E MIXER PRE INSPECTION Figure 10 Engine Oil Dipstick Removal Insertandremove the dipstick without screwing itintothe filler neck Check the oil level shown on the dipstick 4 Ifthe oil level is low Figure 11 fill to the edge of the oil filler hole with the recommended oil type Table 7 Maximum oil capacity is 400 cc Reference manufacturer engine manual for specific servicing instructions Figure 11 Engine Oil Dipstick Oil Level Table 7 Oil Type Season Temperature Oil Type Summer 25 C or Higher SAE 10W 30 Spring Fall 25 C 10 C SAE 10W 30 20 Winter 0 C or Lower SAE 10W 10 STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 PAGE 23 MS20H MS20E MIXER PRE INSPECTION A Explosive Fuel Fuel Check If your mixer has a gasoline engine determine if the engine fuel is low If fuel is low remove the fuel filler cap and fill with unleaded gasoline Motor fuels are highly flammable and can be dangerous if mishandled DO NOT smoke while refueling DO NOT attempt to refuel the trowel if the engine is hot or running 1 Remove the gasoline cap located on top of fuel tank 2 Visuallyinspectto see if fuel level is low Iffuelis low repl
9. avoid over greasing Excess grease will accumulate contaminates and cause premature wear CLEANING ALWAYS disconnect the spark plug wire before cleaning the inside of the drum NEVER pour or spray water over the gasoline engine or electric motor For consistent performance long life and high quality mixing thoroughly clean the mixer inside and out at the end of each day s operation To prevent lumps of dried mortar from forming and contamination of future batches do not allow a buildup of materials to form on the blades or anywhere inside the drum PAGE 28 MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 MS20H MS20E MIXER TROUBLESHOOTING ENGINE Practically all breakdowns can be prevented by proper If the problem cannot be remedied please leave the unit handling and maintenance inspections but in the eventofa just as it is and consult or company s service department breakdown please take a remedial action following the diagnosis based on the Engine Mixer and Electric Motor Troubleshooting Tables 8 9 and10 information shown below and on the proceeding pages TABLE 8 ENGINE TROUBLESHOOTING SYMPTOM POSSIBLE PROBLEM SOLUTION Inspect carburetor to see if fuel is reaching it Check fuel line No Fuel Add Fuel Water in fuel tank Flush or replace fuel tank Fuel filter clogged Replace fuel filter Stuck carburetor Poor starting Spar
10. 06 PAGE 29 MS20H MS20E MIXER TROUBLESHOOTING ENGINE SYMPTOM TABLE 8 ENGINE TROUBLESHOOTING CONTINUED POSSIBLE PROBLEM SOLUTION Insufficient power output compression and overheats Malfunction in cooling fan Check or replace cooling fan Air in take filter clogged Clean or replace air in take filter Burns to much fuel Over accumulation of exhaust products Clean and check valves Check muffler replace if necessary Wrong spark plug Replace spark plug with manufactures suggested type spark plug Exhaust color is continiously WHITE Lubricating oil is wrong viscosity Replace lubricating oil with correct viscosity Worn rings Replace rings Exhaust color is continiously BLACK Air cleanner clogged Clean or replace air cleaner Choke valve has not been set to the correct position Adjust choke valve to the correct position Carburetor defective seal on carburetor broken Replace carburetor or seal Poor carburetor adjustment engine runs too rich Adjust carburetor PAGE 30 MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 MS20H MS20E MIXER TROUBLESHOOTING MIXER MOTOR TABLE 9 MIXER TROUBLESHOOTING SYMPTOM POSSIBLE PROBLEM SOLUTION Worn or defective V belt Replace V belt Blades will not rotate Adjustment lever mis aligned Check position of adju
11. 2 29 3065 SEAL 2 31 8115 WHEEL 10 41 0183 COTTER 5 82 x 1 1 2 3 47 530032 AXLE 1 69 500617 U BOLT AXLE MNT 2 73 EM941306 saa as qaqa INCLUDES ITEM W 75 502246 SLOTTED HEX NUT 1 20 2 3005 WHEEL amp TIRE ASSY 12 2 114 346 DUST COVER 2 MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 PAGE 47 MS20H MS20E MIXER FRAME ASSY FRAME ASSY MOUNT PILLOW BLOCKS NE FOR PINION SHAFT HERE A ST 57 Kall A e 555 3 1 BR NOTES BALL HITCH TOW POLE WITH 1 1 2 ID USE P N 27071 351 UP TO SERIAL NUMBER SEC PINTLE TOW POLE WITH 1 1 2 ID USE P N 26149 351 UP TO SERIAL NUMBER SEC BALL HITCH TOW POLE WITH 2 ID USE P N HBC 1 STARTING WITH SERIAL NUMBER SED PINTLE TOW POLE WITH 2 ID USE P N HLC 1 STARTING WITH SERIAL NUMBER SED QUANTITY OF ITEM 111 CONNECTOR LINK CHANGED FROM 2 TO 1 IN JANUARY 2006 ITEM 111A CLEVIS SAFETY HOOK REPLACES DISCONTINUED CONNECTOR LINK PAGE 48 MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 MS20H MS20E MIXER FRAME ASSY FRAME ASSY NO PART NO PART NAME QTY REMARKS 1 29016 351 MAIN FRAME UNIT 1 2 3215 BOLT 1 2 x 13 x 3 1 2 3 10176 NUT NYLOCK 1 2 13 4 27071 351 BALL HITCH TOW POLE 1 1 2 ID I UP TO S N SEC 4 26149 351
12. 2 8 28444ZE2W01 RETAINER SPRING 1 10 28461ZE2W02 GRIP STARTER 1 114 28462ZE2W11 ROPE RECOIL STARTER 1 13 90004ZE2W01 SCREW CENTER 1 14 90008ZE2003 BOLT FLANGE 6X10 3 STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 PAGE 81 GEAR REDUCTION ASSY e cN lt I lt lt gt lt lt I gt CD CD lt z 9 gt LLI lt LLI 5 gt cc E lt lt Li og T a Li gt lt CN e a e e CN co lt GEAR REDUCTION ASSY NO PART NO 1 115002 2620 2 115212 2800 3 221032 2620 4 232202E2621 5 237102E2621 6 904012 2620 7 90402ZE2620 8 90473842000 9 90745ZE2600 10 91201890003 11 9430108140 12 957010802500 13 957010804000 14 961006206000 15 961006302000 PART NAME COVER ASSY REDUCTION CASE GASKET CHAIN CASE COVER GEAR PRIMARY DRIVE 177 COUNTERSHAFT SHAFT PT O H TYPE SHIM A OPTIONAL SHIM B OPTIONAL WASHER 8 KEY 6 3 X 6 3 X 43 OIL SEAL 30 X 46 X 8 PIN A DOWEL 8 X 14 BOLT FLANGE 8 X 25 BOLT FLANGE 8 X 40 BEARING RADIAL BALL 6206 BEARING RADIAL BALL 6302 QTY HONDA GX240K1HA2 ENGINE GEAR REDUCTION ASSY REMARKS rd 1 gt gt INC
13. 25 27 ausim deb 28 Troubleshooting Engine 29 30 Troubleshooting Mixer Motor 31 Electric Motor Wiring Diagram 32 Explanation Of Codes In Remarks Column 34 Suggested Spare Parts 35 Nameplate and Decals 36 37 Honda Engine Assembly 38 39 Electric Motor Assembly 40 41 Steel Tub Assembly 42 43 Paddle Shaft Assembly 44 45 Axle Assembly ut 46 47 Frame Assembly oai EA ERA 48 49 Engine Cover Assembly 50 51 HONDA GX240K1HA2 ENGINE Air Cleaner Assembly 52 53 Camshaft Assembly 54 55 Carburetor Assembly 56 57 Control ASSembly asa GA a 58 59 Crankcase Cover Assembly 60 61 Crankshaft Assembly 62 63 Cylinder Barrel Assembly 64 65 Cylinder Head Assembly 66 67 Fan Cover 68 69 Flywheel Assembly 70 71 Muffler Assembly
14. Cutter This feature allows compound mixing bags to be opened easily therefore allowing the contents of the bag to fall directly into the mixing drum Safety Grill Provided for operator safety This safety grill is designed to keep hands and solid objects out of the mixing drum when in use This grill should be closed at all times when mixer is in use DO NOT remove the grill or grill opening bar Keep the grill clean by washing it down daily Dump Handle Pull this handle downward to dump the contents of the drum Push the handle upward to return the drum to its vertical position Pivot Point Zerk Fitting There is on each end of the mixing drum a zerk grease fitting These fittings lubricate the dumping mechanism Lubricate both fittings at least twice a week Dump Handle Release Pin Pull this pin outward spring loaded to release the drum then pull down on the dump handle to place the drum in the dump position When drum is in dump position pin will automatically lock drum Tow Bar Coupler This mixer uses a 2 inch coupler or pintle Safety Chain This mixer uses a 3 16 inch thick 72 inches long zinc plated saftey chain ALWAYS connect the safety chain when towing Steel Mixing Drum Mixing materials such as mortar plaster are to be placed into this drum for mixing Always clean the drum after each use Chock Blocks Place these blocks not included as part of the mixer package under each
15. MIXER STEELTUB ASSY STEEL TUB ASSY NO PART NO PART NAME QTY REMARKS 2 29282 351 DRUM 1 3 29212 351 GRATE 1 6 20657 001 TRUNNION HUB 2 7 27127 004 LIFT BAR 2 8 20561 001 SEALED BEARING 2 9 20655 001 RETAINING RING 2 10 25492 001 DRUM HANDLE 1 13 20211 001 MAIN GEAR SPACER 1 15 21380 001 DRUM HANDLE GRIP 1 17 18937 003 SPECIAL WASHER 2 19 20654 001 SHAFT SEAL 2 21 20472 001 MAIN GEAR 1 22 08602 006 FLAT WASHER 3 8 12 23 20576 501 DRUM BEARING ASSY 2 24 13698 062 HITCH PIN 1 26 17985 010 CARRIAGE BOLT 3 8 16 x 1 1 4 22 27 07030 006 FLAT WASHER 3 8 40 28 07029 006 LOCK WASHER 3 8 50 29 07033 006 HEX NUT 3 8 16 50 51 06505 012 CAP SCREW 5 8 11 x 1 1 2 2 53 10057 034 SQUARE KEY 3 8 x 2 1 54 17985 012 CARRIAGE BOLT 3 8 16 x 1 1 2 4 56 07033 010 HEX NUT 5 8 11 1 65 20104 001 SHAFT SEAL 2 86 08326 007 CLEVIS PIN 1 88 07030 008 FLAT WASHER 1 2 3 90 13698 010 HITCH PIN 1 91 07594 012 ROLL PIN 3 16 x 3 4 2 109 07028 055 COTTER PIN 5 32 x 1 2 110 07745 001 GREASE FITTING 3 MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 PAGE 43 MS20H MS20E MIXER PADDLE SHAFT ASSY PADDLE SHAFT ASSY CENTER ENGINE END A A MZ 17 L 45 p e m TOW END 27 28 NOTES WHEN ORDERING SCRAPPER AND WIPER SHORT SEE ITEMS 43 AND 44 TOW END WHEN ORDERING SCRAPPER AND WIPER LONG SEE ITEMS 39 AND 40 CENTE
16. NZ i Figure 4 Mixer Components Figure 4 illustrates the basic components and controls of the MS20H MS20E mixer 1 Tires Ply The tire layers number is rated in letters This mixer uses 13 inch 4 ply tires 2 Engine Cover Liftthis cover to gain access to the engine compartment 3 Belt Slip Lever When starting this lever should be move upward and to the left For mixing place the lever in the down position See attached decal located adjacent to lever 4 ON OFF Switch electric This switch is provided on mixers with electric motors To gain access to this switch lift the engine cover When activated it will shut down the electric motor 5 ON OFF Switch gasoline This switch is provided on mixers with gasoline engines only and is located on the side of the engine cover When activated it will shut down the engine 6 Latch Use this latch to secure the engine compartment cabinet 7 Safety Grill Lock Handle To prevent injury to hands and arms the safety grill should ALWAYS be locked when the mixing of plaster or mortar is required Also when transporting the mixer the safety grill should be locked The safety grill should only be un locked when cleaning of the blades and drum is required 10 Mixing Paddles Used in the mixing of material This unit uses four different types of paddles to provide a fast uniform mix Bag
17. Please have the model and serial number 45 when calling Domestic USA Dealers Only STOW MAIN OFFICE 18910 Wilmington Ave 800 421 1244 Extra Discounts Carson CA 90746 FAX 310 537 3927 All parts orders which include complete part numbers and Email stow stowmfg com are received by our automated web parts order system or Internet www stowmfg com by fax qualify for the following extra discounts SALES DEPARTMENT Ordered Standard Stock orders 310 661 4242 Fax 310 604 9237 via orders 750 list and above 877 289 7869 877 BUY STOW Fax 3 10 PARTS DEPARTMENT Web 5 10 800 427 1244 FAX 800 672 7877 Special freight allowances 310 537 3700 FAX 310 637 3284 when you order 10 or more SERVICE DEPARTMENT 5 zx 800 478 1244 FAX 310 537 4259 items via Web or Fax 310 537 3700 FedEx Ground Service at no charge for freight TECHNICAL ASSISTANCE No other allowances on freight shipped by any other 800 478 1244 FAX 310 631 5032 carrier WARRANTY DEPARTMENT Common nuts bolts and washers all items under 1 00 800 421 1244 EXT 279 FAX 310 537 1173 list price do not count towards the 10 line items 310 537 3700 EXT 279 NOTE DISCOUNTS ARE SUBJECTTO CHANGE STOW CONSTRUCTION EQUIPMENT to our Parts Department A DIVISION OF MULTIQUIP INC E h POST OFFICE BOX 6254 CARSON CA 90749 Toll free nationwide 800 427 1244 888 252 STOW 888 252 7869 310 537 3700 FAX 310 537 1986
18. Route the safety chain through the holes just above the tow bar located on each side of the mixer stand Loop the chain together and place under the tow bar Secure the loop with the connector link 3 extend the safety chain along the length of the tow bar looping it through the tow bar s connector link Remove any excess chain slack 4 Connect the free end of clevis safety hook the safety chain to the towing vehicle Remember it is critical that the length of the chain be properly adjusted to prevent the draw bar and the front of the mixer stand from dropping to the the ground contact in the event the draw bar becomes disconnected from the towing vehicle Drum Saftey when Towing DO NOT tow the mixer unless the mixing drum is completely empty ALWAYS make sure the drum latch pin is fully engaged to the right Figure 6 of the drum stop block This will keep the drum from rotating DRUM LATCH a PIN STOP BLOCK N TOW LOCKED POSITION Figure 6 Drum Latch Pin Tow or Locked Position MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 PAGE 19 MS20H MS20E MIXER TRAILER SAFETY GUIDELINES Tires Wheels Lug Nuts TABLE 5 TIRE WEAR TROUBLESHOOTING Tires and wheels are a very important and critical compo WEAR PATTERN CAUSE SOLUTION nents of the trailer When specifying or replacing the trailer Adjust pressure to wheels it is important the wheels tires and axle
19. are prop erly matched i Adjust pressure to Under Inflation particular load per tire manufacturer CAUTION Make sure load does or overloading not exceed axle rating Align wheels DO NOT attempt 10 repair or modify a wheel DO NOT install an inter tube to correct a leak through the rim If the rim Out of balance Check bearing adjust is cracked the ment and balance tires air pressure in the inter tube may Avoid sudden stops Flat Spots Wheel lockup amp when possible and cause pieces of the rim to tire skidding adjust brakes explode break off with great gt 44 force and can cause serious eye or bodily injury a Suspension The rigid type axle and associated hardware Figure 7 should be periodically inspected for signs of excessive wear elon gation of bolt holes and loosening of fasteners Replace Tire inflation pressure is the most important factor in tire all damaged parts immediately life Pressure should be checked cold before operation DO NOT bleed air from tires when they are hot Check inflation pressure weekly during use to insure the maxi mum tire life and tread wear Tires Wear Inflation Table 5 Tire Wear Troubleshooting will help pinpoint the causes and solutions of tire wear problems CHECK FOR TIGHTNESS Pa A U BOLT RIGID TYPE SQUARE AXLE Figure 7 Axle Support Components ALWAYS wear safety glasses when removing or installing force
20. mixer wheel to prevent rolling MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 PAGE 17 MS20H MS20E MIXER TOWING GUIDELINES Towing Safety Precautions CAUTION Check with your county or state safety towing regulations department before towing your mortar and plaster mixer To reduce the possibility of an accident while transporting the mixer on public roads always make sure that the trailer and the towing vehicle are in good operating condition and both units are mechanically sound The following list of suggestions should be used when towing the mixer Make sure that the hitch and coupling of the towing vehicle are rated equal to or greater than the trailer gross vehicle weight rating GVWR ALWAYS inspect the hitch and coupling for wear NEVER tow the mixer with defective hitches couplings chains etc CHECK the tire air pressure on both the towing vehicle and the trailer Also check the tire tread wear on both vehicles ALWAYS make sure the trailer section of the mixer is equipped with a Safety Chain ALWAYS attach mixer s safety chain to the frame of the towing vehicle Remember in most cases the maximum speed unless otherwise posted for highway towing is 55 MPH however before towing your mixer check your local state and county vehicle towing requirements Recommended off road towing is not to exceed 10 MPH or less depending on type of terrain Plac
21. motor horsepower rating In addition Table 2 also shows the matching NEMA approved connector for the required extension cord ALWAYS make certain that the power source required for the electric motor is correct and always use the correct NEMA configuration plug Failure to supply the correct voltage to the motor can severely damage the motor The motor supplied is wired for 115 VAC grounded operation Make certain that the correct size grounded 3 wires extension cord is used See Table 4 Motors can burn out when the line voltage falls 10 below the voltage rating of the motor Failure to use proper voltage will cause the motor to overheat and actuate the overload switch If overload protection should actuate because of improper voltage or any other malfunction turn the main switch on the motor to the OFF position and correct the problem press the reset switch button and turn the main switch to the ON position It is strongly recommended that all electrical wiring be done by a licensed electrician Special attention should be given to the electric switch as well as the over and under voltage protection devices as per regulations set forth in the local electrical safety code handbook Electric Motor Voltage Switch 1 ALWAYS make certain the motor switch is OFF and the power cord has been disconnected from the power source 2 Remove the voltage lock out bolt Figure 3 Change the position of the voltage change t
22. 06 CONTROL ASSY NO PART NO 2 16551ZE2000 3 16555ZE2000 4 16561ZE2000 5 16571ZE2000 8 16570ZE2W00 10 1065712 2 00 11 165742 1000 102 165752 21100 14 165782 1000 15 165812 21100 16 16584883300 19 90013883000 20 900152 5010 21 901145 0000 24k 93500050280 27 9405006000 HONDA GX240K1HA2 ENGINE CONTROL ASSY PART NAME ARM GOVERNOR ROD GOVERNOR SPRING GOVERNOR SPRING THROTTLE RETURN CONTROL ASSEMBLY LEVER CONTROL SPRING LEVER WASHER CONTROL LEVER SPACER CONTROL LEVER BASE CONTROL SPRING CONTROL ADJUSTING BOLT FLANGE 6 X 12 CT200 BOLT GOVERNOR ARM NUT SELF LOCK 6MM SCREW PAN 5 X 28 NUT FLANGE Y REMARKS INCLUDES ITEMS W MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 83 08 10 06 PAGE 59 HONDA GX240K1HA2 ENGINE CRANKCASE COVER ASSY CRANKCASE COVER ASSY PAGE 60 MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 HONDA GX240K1HA2 ENGINE CRANKCASE COVER ASSY CRANKCASE COVER ASSY PART NAME QTY REMARKS 2 114002 2621 COVER ASSY CRANKCASE aa INCLUDES ITEMS W H TYPE BALANCER 11381ZE2801 GASKET CASE COVER 1 4 15600704003 CAP ASSY OIL FILLER INCLUDES ITEMS W 5 15600735003 CAP ASSY OIL FILL
23. 20E electric mixer Itis extremely important that this section be read carefully before attempting to use the mixer in the field DO NOT use your mixer until this section is thoroughly understood CAUTION Failure to understand the operation of the MS20H MS20E mixers could result in severe damage to the mixer or personal injury See Figure 4 Page 17 for the location of any control referenced in this manual Starting gasoline only The following steps outline the procedure for starting the engine Depending on the type of engine employed in the mixer the steps may vary slightly If your mixer has an electric motor disregard this section 1 Move the fuel shut off lever Figure 12 to the ON position FUEL VALVE LEVER Figure 12 Fuel Shut OFF Lever 2 To start a cold engine move the choke lever Figure 13 to the CLOSED position CHOKE LEVER Figure 13 Choke Lever 3 Move the throttle lever Figure 14 away from the slow position about 1 3 of the way toward the fast position THROTTLE LEVER Figure 14 Throttle Lever MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 PAGE 25 MS20H MS20E MIXER INITIAL START UP 4 the engine switch Figure 15 to the ON position CAUTION Make certain the drum lock pin Figures 18 and 19 is placed to the right when viewing the mixer from the towpole end of the drum stop block which is welded to the fr
24. 3 08 10 06 MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 PAGE 87 PARTS AND OPERATION MANUAL HERE S HOW TO GET HELP PLEASE HAVE THE MODEL AND SERIAL NUMBER ON HAND WHEN CALLING PARTS DEPARTMENT 800 427 1244 or 310 537 3700 FAX 800 672 7877 or 310 637 3284 SERVICE DEPARTMENT TECHNICAL ASSISTANCE 800 478 1244 or 310 537 3700 FAX 310 537 4259 WARRANTY DEPARTMENT 888 661 4279 or 310 661 4279 FAX 310 537 1173 MAIN 800 421 1244 or 310 537 3700 FAX 310 537 3927 STOW CONSTRUCTION EQUIPMENT PARTS DEPARTMENT STOW A DIVISION OF MULTIQUIP INC 800 427 1244 POST OFFICE BOX 6254 FAX 800 672 7877 CARSON CALIFORNIA 90749 SERVICE DEPARTMENT TECHNICAL ASSISTANCE 310 537 3700 888 252 STOW 888 252 7869 800 478 1244 FAX 310 537 1986 FAX 800 556 1986 FAX 310 631 5032 E MAIL stow amp multiquip com WWW stowmig com
25. ARKS INCLUDES ITEM W INCLUDES ITEM W CAMSHAFT ASSY m ry as 5 U OT W HONDA GX240K1HA2 ENGINE CAMSHAFT ASSY PAGE 54 MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 CAMSHAFT ASSY NO ND c PART NO 14100ZE2W01 14100ZE2306 14410ZE2013 14431ZE2010 14441ZE2000 14451ZE1013 14568ZE1000 14711ZE2000 14721ZE2000 14751ZE2003 14771ZE2000 14773ZE2000 14781ZE2000 14791ZE2010 90012ZE0010 90206ZE1000 MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 83 08 10 06 PAGE 55 HONDA GX240K1HA2 ENGINE CAMSHAFT ASSY PART NAME CAMSHAFT ASSY CAMSHAFT ROD PUSH ARM VALVE ROCKER LIFTER VALVE PIVOT ROCKER ARM SPRING WEIGHT RETURN VALVE IN VALVE EX SPRING VALVE RETAINER IN VALVE SPRING RETAINER EX VALVE SPRING ROTATOR VALVE PLATE PUSH ROD GUIDE BOLT PIVOT 8MM NUT PIVOT ADJ QTY 1 po D DN ND WP REMARKS INCLUDES ITEM W HONDA GX240K1HA2 ENGINE CARBURETOR ASSY CARBURETOR ASSY PAGE 56 MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 CARBURETOR ASSY NO PART NO 1 160102 2812 2 16011740931 3 16013ZA0931 5 16016ZHW
26. EL ASSY CYLINDER BARREL ASSY PAGE 64 MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 HONDA GX240K1HA2 ENGINE CYLINDER BARREL ASSY CYLINDER BARREL ASSY NO PART NO PART NAME QTY REMARKS 1 12000ZE2834 CYLINDER ASSY BALANCER OIL ALERT m INCLUDES ITEMS W 2 15510ZE2043 SWITCH ASSY OIL LEVEL 1 3 165412 2010 SHAFT GOVERNOR ARM 1 6 90131896650 BOLT DRAIN PLUG 2 1 90446 1000 WASHER 8 2 17 0 8 1 8 91201890003 OIL SEAL 30X46X8 1 9 91353671003 O RING 14MM 1 10 9405010000 NUT FLANGE 10MM 1 11 9410912000 WASHER DRAIN PLUG 12MM 2 12 9425110000 PIN LOCK 10MM 1 13 957010601200 BOLT FLANGE 6X12 2 14 961006202000 BEARING RADIAL BALL 6202 1 15 90013883000 BOLT FLANGE 6 12 CT200 1 16 341502 7003 ALERT UNIT 1 MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 PAGE 65 HONDA GX240K1HA2 ENGINE CYLINDER HEAD ASSY CYLINDER HEAD ASSY PAGE 66 MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 CYLINDER HEAD ASSY NO PART NO 1 12200ZH9000 2 122042 2306 3 122052 2305 4x 122162 2300 5 122512 2800 6 123102 2020 7 123912 2020 8 147752 2010 10 900142 2000 11 90042ZE2000 12 90047ZE2000 13 90441ZE2010 14 9430112200 15 950051100130M 16 957011008000 17 9807956846 17 9807956855 PART NAME CYLINDER HEAD COMP
27. ER rer INCLUDES ITEMS W 8 156257 1003 GASKET OIL FILLER 1 9 156257 1003 GASKET OIL FILLER 1 10 16510ZE2811 GOVERNOR ASSEMBLY BALANCER 1 INCLUDES ITEMS W 11 16511ZE2000 WEIGHT GOVERNOR 2 12 16512ZE2811 HOLDER GOVERNOR WEIGHT 1 13 165132 2000 PIN GOVERNOR WEIGHT 2 14 1653122000 SLIDER GOVERNOR 1 15 90473147000 WASHER 6 X 16 1 16 90602ZE1000 CLIP GOVERNOR HOLDER 1 17 90701 4000 PIN DOWEL 8 12 2 18 9410106800 WASHER PLAIN 6MM 1 19 957010803500 BOLT FLANGE 8 X 35 7 20 961006202000 BEARING RADIAL BALL 6202 1 21 961006204000 BEARING RADIAL BALL 6204 1 22 961006206000 BEARING RADIAL BALL 6206 1 23 961006302000 BEARING RADIAL BALL 6302 1 MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 PAGE 61 HONDA GX240K1HA2ENGINE CRANKSHAFT ASSY CRANKSHAFT ASSY PAGE 62 MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 CRANKSHAFT ASSY 3 13320ZE2611 8 13351ZE2010 12 961006206000 HONDA GX240K1HA2ENGINE CRANKSHAFT ASSY PART NAME CRANKSHAFT L TYPE WEIGHT BALANCER BEARING RADIAL BALL 6206 Q Y REMARKS INCLUDES ITEM W MQ STOW MS20H MS20E MIXER PARTS 8 OPERATION MANUAL REV 3 08 10 06 PAGE 63 HONDA GX240K1HA2 ENGINE CYLINDER BARR
28. FAX 800 556 1986 Toll free FAX 800 6 PARTS 7 800 672 7877 E MAIL stow multiquip com INTERNET www stowmfg com MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 PAGE 5 MS 20 MIXER SAFETY MESSAGE ALERT SYMBOLS FOR YOUR SAFETY ANDTHE SAFETY OF OTHERS Safety precautions should be followed at all times when operating this equipment Failure to read and understand the Safety Messages and Operating Instructions could result in injury to yourself and others NOTE This Owner s Manual has been developed to provide complete instructions for the safe and efficient operations of the MQ STOW mortar and plaster mixer Refer to the engine manufacturers instructions for data relative to its safe operation Before using this mixer ensure that the operating individual has read and understands all instructions in this manual SAFETY MESSAGE ALERT SYMBOLS The three 3 Safety Messages shown below will inform you about potential hazards that could injure you or others The Safety Messages specifically address the level of exposure to the operator and are preceded by one of three words DANGER DANGER You WILL be KILLED or SERIOUSLY injured if you do not follow directions WARNING You CAN be KILLED or SERIOUSLY injured if you do not follow directions CAUTION You CAN be injured if you Potential hazards associated with operation of the mixer will be reference
29. HANDS AND CLOTHING AWAY FROM MOVING PARTS AT ALL TIMES START ALWAYS DISCONNECT ENGINE SPARK PLUG OR ELECTRIC POWER CORD STOP WHEN CLEANING LUBRICATING OR ADJUSTING THIS MACHINE n MAKE CERTAIN THAT THE DRUM IS LOCKED IN THE TOW POSITION BELTSLIP LEVER IF APPLICABLE IS FOR STARTING EASE ONLY AND PADDLES DOES NOT POSITIVELY DISCONNECT MIXER PADDLES AND OTHER MOVING PARTS NEVER LEAVE MIXER RUNNING UNATTENDED STOP THE ENGINE OR _ MOTOR WHENEVER YOU LEAVE THE MIXER SECURELY LATCH HOUSING WHILE MIXING OR TOWING CONTACT MULT IQ UIP NEVER TOW OVER 56 MPHI PARTS DEPT P N 21 781 001 FAILURE TO COMPLY COULD RESULT IN SERIOUS INJURY 21789 TBD Figure 1 Mixer Operation and Safety Decals MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 PAGE 11 MS20H MS20E MIXER SPECIFICATIONS Table 1 MS20H MS20E Mixer Specifications Capacity 7 0 cu ft 198 liters Bag Capacity 1 1 2 to 2 1 2 bags Weight MS20H 624 Ibs 283 kg Weight MS20E 613 Ibs 278 kg Length w Tow Bar x W x H 64 x 55 5 x 56 in 162 x 141 x 142 cm Height W Dump Handle 75 in 191 cm Discharge Height 75 in 191 cm Table 2 Specifications Engine amp Electric Motor Model HONDA GX240K1HA2 BALDOR 35L229S302 Air cooled 4 stroke 90 V 1 5 HP 115 230 Single Twin Cylinder OHV Phase Electric Motor Horizontal Shaft Gasoline Engine 2 90 in X 2 30 in Engine El
30. HIGH VOLT POSITION VIEW IS FROM TERMINAL SIDE 4_YEL 4 LEAD COLORS ARE OPTIONAL LEADS MUST ALWAYS NUMBERED AS SHOWN Figure 22 Electric Motor Wiring Diagram PAGE 32 MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 PAGE 33 EXPLANATION OF CODE IN REMARKS COLUMN How to read the marks and remarks used in this parts book Section 1 Items Found In the Remarks Column Serial Numbers Where indicated this indicates a serial number range inclusive where a particular part is used Model Number Where indicated this shows that the corresponding part is utilized only with this specific model number or model number variant Section 2 Items Found In the Remarks Column Serial Numbers Where indicated this indicates a serial number range inclusive where a particular part is used Model Number Where indicated this shows that the corresponding part is utilized only with this specific model number or model number variant Section 3 Items Found In the Items Number Column All parts with same symbol in the number column 96 or m belong to the same assembly or kit Note If more than one of the same reference number is listed the last one listed indicates newest or latest pa
31. LUDES ITEMS W MQ STOW MS20H MS20E MIXER PARTS 8 OPERATION MANUAL REV 3 08 10 06 PAGE 83 HONDA GX240K1HA2 ENGINE LABEL ASSY LABEL ASSY PAGE 84 MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 HONDA GX240K1HA2 ENGINE LABEL ASSY LABELS ASSY NO PART NAME QTY REMARKS 1 87521ZE2W01 EMBLEM INTERNAL 2 875222 1810 MARK CAUTION EXTERNAL 3 87522ZH9000 LABEL CAUTION 5 87528ZE2810 MARK EXTERNAL 15 87586ZH7W00 LABEL FUEL CAUTION 16 87532298810 MARK OIL ALERT 1 1 1 1 1 1 MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 PAGE 85 Effective July 15 2003 TERMS AND CONDITIONS OF SALE PARTS STOW A DIVISION OF MULTIQUIP INC PAYMENT TERMS Terms of payment for unit sales are 2 15 days net 30 days from date of invoice unless otherwise specifically stated on our invoice Parts invoices have terms of net 10 days Minimum parts billing is 15 00 net Applicable discounts will be computed on merchandise value only Late charges will be assessed at prevailing rates Cash discounts cannot be taken on current billings if any previously billed amounts are past due FREIGHT POLICY Freight policy is established to offer customers every advantage possible Due to bulk freight ratings on some equipment and other shipping considerations freight policies differ by equipmen
32. NEVER operate this equipment under the influence or drugs or alcohol E ALWAYS check the machine for loosened threads or bolts before starting d x 7 ALWAYS wear proper respiratory mask hearing and eye protection equipment when operating the mixer E Whenever necessary replace nameplate operation and safety decals when they become difficult read Manufacture does not assume responsibility for any accident due to equipment modifications M NEVER use accessories or attachments which are not recommended by Multiquip for this equipment Damage to the equipment and or injury to user may result E NEVER touch the hot exhaust manifold muffler or cylinder Allow these parts to cool before servicing engine or mixer HOT DO NOT TOUCH LET COOL High Temperatures Allow the engine to cool before adding fuel or performing service and maintenance functions Contact with hot components can cause serious burns The engine section of this mixer requires an adequate free flow of cooling air NEVER operate the mixer in any enclosed narrow area where free flow of the air is restricted If the air flow is restricted it will cause serious damage to the mixer or engine and may cause injury to people Remember the mixer s engine gives off DEADLY carbon monoxide gas ALWAYS refuel in a well ventilated area away from sparks and open flames E NEVER operate the mixer in an explo
33. O1 6 160242 1811 7 160282 0005 8 16028ZE2005 9 16100ZE2W71 10 1061242 0005 11 10616627 2 70 12 161722 10 13 16173001004 14 162112 2000 15 16220ZA0702 16 16221ZA0800 17 16223ZA0800 18 16610ZE1000 19 169532 1812 20 169547 1811 21 169562 1811 22 169572 1812 23 169672 0811 24 93500030060 25 9430520122 26 991012970820 26 991012970850 26 9910127 70880 27 992042 20400 28 160152 8005 MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 PAGE 57 HONDA GX240K1HA2 ENGINE CARBURETOR ASSY PART NAME GASKET SET VALVE SET FLOAT FLOAT SET SCREW SET SCREW SET DRAIN SCREW SET B CHOKE SET CARBURETOR ASSY SCREW THROTTLE STOP NOZZLE MAIN COLLAR SET O RING INSULATOR SPACER CARB GASKET CARBURETOR GASKET INSULATOR LEVER COMP CHOKE STD LEVER VALVE PLATE LEVER SETTING SPRING VALVE LEVER GASKET VALVE CUP FUEL STRAINER SCREW PAN 3 X 6 PIN SPRING 2 X 12 JET MAIN 82 OPTIONAL JET MAIN 85 OPTIONAL JET MAIN 88 JET SET PILOT 40 CHAMBER SET FLOAT QTY REMARKS 1 cl ca INCLUDES ITEMS W INCLUDES ITEMS W HONDA GX240K1HA2 ENGINE CONTROL ASSY CONTROL ASSY PAGE 58 MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10
34. ONDA GX240K1HA2 ENGINE PISTON ASSY PISTON ASSY QTY REMARKS 1 130102E2013 RING SET PISTON STD 1 1 13011222013 RING SET PISTON OS 0 25 OPTIONAL 1 1 130122 2013 RING SET PISTON OS 0 50 OPTIONAL 1 1 13013ZE2013 RING SET PISTON 0 75 OPTIONAL 1 2 13101ZE2W00 PISTON STANDARD 1 2 13102ZE2W00 PISTON OS 0 25 OPTIONAL 1 2 13103ZE2W00 PISTON OS 0 50 OPTIONAL 1 2 13104ZE2W00 PISTON 0 75 OPTIONAL 1 3 13111ZE2000 PIN PISTON 1 4 13200ZE2000 ROD ASSY CONNECTING STANDARD INCLUDES ITEMS 4 132002 2305 ROD ASSY CONNECTING US 0 25 1 5 900017 8000 BOLT CONNECTING ROD 2 6 905512 1000 CLIP PISTON 18MM 2 MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 PAGE 79 HONDA GX240K1HA2 ENGINE RECOIL STARTER ASSY RECOIL STARTER ASSY PAGE 80 MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 HONDA GX240K1HA2 ENGINE RECOIL STARTER ASSY RECOIL STARTER ASSY NO PART NO PART NAME QTY REMARKS 1 28400ZE2W01ZB STARTER ASSY RECOIL NH1 BLK Guns INCLUDES ITEMS W 2 28410ZE2W01ZB CASE COMP RECOIL STARTER NH1 BLK 1 3 28421ZE2W01 PULLEY RECOIL STARTER 1 4x 28422ZE2W01 STARTER 2 5 28441ZE2W01 SPRING FRICTION 1 28442ZE2W01 SPRING STARTER RETURN 1 7 28443ZE2W01 SPRING RATCHET
35. OPERATION MANUAL REV 3 08 10 06 HERE S HOW GET HELP PLEASE HAVE THE MODEL AND SERIAL NUMBER ON HAND WHEN CALLING PARTS DEPARTMENT 800 427 1244 or 310 537 3700 FAX 800 672 7877 or 310 637 3284 SERVICE DEPARTMENT TECHNICAL ASSISTANCE 800 478 1244 or 310 537 3700 FAX 310 537 4259 WARRANTY DEPARTMENT 888 661 4279 or 310 661 4279 FAX 310 537 1173 MAIN 800 421 1244 or 310 537 3700 FAX 310 537 3927 MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 PAGE 3 TABLE OF CONTENTS Here s How To Get Helps 3 Table Of Contents 4 Parts Ordering Procedures 5 Safety Messages Alert Symbols 6 7 Rules For Safe Operation 8 10 Operation and Safey Decals 11 Specifications NR 12 General Information 13 MQ STOW Plaster Mortar Mixer Basic Engine Components 14 10 AE 15 16 17 Towing Guidelines 18 Safety Chain Connection 19 Trailer Safety Guidelines 20 21 Paddle Blade Adjustment 22 M 23 24 Initial Start up nac
36. PINTLE TOW POLE 1 1 2 D Fonn TO S N SEC 4 HBC 1 BALL HITCH TOW POLE 271 STARTING S N SEE 4 HLC 1 PINTLE TOW POLE 2 ID Leer STARTING AT S N SEE CONTACT UNIT SALES 5 20567 352 LOCK PIN UNIT 1 12 29277 351 ENGINE MOUNT SHAFT 1 14 20278 001 CLUTCH HANDLE GRIP 1 4 07028 057 COTTER 5 32 x 1 1 2 3 48 06505 028 CAP SCREW 5 8 11 x 3 1 2 1 49 06505 024 CAP SCREW 5 8 11 x 3 1 50 07418 010 LOCK NUT 5 8 NYLOCK 1 55 07029 010 LOCK WASHER 5 8 3 56 07033 010 HEX NUT 5 8 11 1 57 07030 010 FLAT WASHER 5 8 3 58 22856 001 BELT SLIP LEVER 1 60 28986 001 TRANSOM COVER 2 61 22538 001 THD ROLLING SCREW 1 4 20 x 1 2 4 63 TBD LOCK WASHER 1 2 GRADE 8 16 64 492589 HEX NUT 1 2 20 GRADE 5 6 69 500617 U BOLT AXLE MNT 2 74 07030 012 FLAT WASHER 3 4 1 85 25398 001 SPRING LOCKING PIN 1 89 29242 001 PLATE 2 109 07028 055 COTTER PIN 5 32 x 1 2 110 SAFETY CHAIN 1 111 01004 CONNECTOR LINK BEFORE JANUARY 2006 1114 01004 CONNECTOR LINK d AFTER JANUARY 2006 111A 516580 CLEVIS SAFETY esses AFTER JANUARY 2006 112 13363 1 CHAIN LINK INCLUDES ITEMS W MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 PAGE 49 MS20H MS20E MIXER ENGINE COVER ASSY CABINET ASSY PAGE 50 MQ STOW MS20H MS20E MI
37. R TOW END WHEN ORDERING SCRAPPER AND WIPER LONG SEE ITEMS 39 AND 40 ENGINE END PAGE 44 MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 MS20H MS20E MIXER PADDLE SHAFT ASSY PADDLE SHAFT ASSY NO PART NO PART NAME QTY REMARKS 26 17985 010 CARRIAGE BOLT 3 8 16 x 1 1 4 22 27 07030 006 FLAT WASHER 3 8 44 28 07029 006 LOCK WASHER 3 8 50 29 07033 006 HEX NUT 3 8 16 50 35 29263 501 PADDLE ASSY TOW POLE END 1 36 29263 504 PADDLE ASSY ENGINE END 1 37 29263 502 PADDLE ASSY CNT TOW END 1 38 29063 503 PADDLE ASSY ENG END 1 4988 20726 001 WIPER LONG 4 40 20725 001 SCRAPER LONG 4 43 20048 001 WIPER SHORT 2 44x 20111 001 SCRAPER SHORT 2 45 29059 002 U BOLT PADDLE MNT 4 46 06513 026 CAP SCREW 1 2 20 x 3 1 4 4 47 29063 351 PADDLE SHAFT SQ 1 63 07029 108 LOCK WASHER 1 2 GRADE 8 16 64 07037 108 HEX NUT 1 2 20 GRADE 5 6 29285 503 PADDLE 1 INCLUDES ITEMS W 25647 503 PIE NI 1 INCLUDES ITEMS W MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 PAGE 45 MS20H MS20E MIXER AXLE ASSY AXLE ASSY PAGE 46 MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 MS20H MS20E MIXER AXLE ASSY AXLE ASSY NO PART NO PART NAME QTY REMARKS 20 507444 AXLE WASHER 2 27 903012 BEARING CUP 2 28 EM903113 BEARING CONE
38. XER PARTS amp OPERATION MANUAL REV 3 08 10 06 HONDA GX240K1HA2 ENGINE FUELTANK ASSY FUEL TANK ASSY NO PART NO PART NAME QTY REMARKS 1 168542 8000 RUBBER SUPPORTER 107MM 1 2 16955ZE1000 JOINT FUEL TANK 1 3 17510ZE2010ZD TANK COMP FUEL NH1 BLACK 1 5 176202 7023 CAP COMP FUEL FILLER aaa ncs em INCLUDES ITEMS W 6 17631ZH7003 GASKET FUEL FILLER CAP 1 8 17672ZE2W01 FILTER FUEL 1 11 91353671003 O RING 14MM 1 12 9405008000 NUT FLANGE 8MM 2 13 950014500360M BULK HOSE FUEL 4 5X3000 4 5X222 1 14 9500202080 CLIP TUBE B8 2 15 957010802500 BOLT FLANGE 8X25 2 MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 PAGE 75 HONDA GX240K1HA2ENGINE IGNITION ASSY IGNITION COIL ASSY PAGE 76 MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 HONDA GX240K1HA2ENGINE IGNITION ASSY IGNITION COIL ASSY NO PART NO PART NAME QTY REMARKS 1 30500ZE2023 COIL ASSY IGNITION 1 2 30700ZE1013 CAP ASSY NOISE SUPPRESSOR 1 6 31512ZE2000 GROMMET WIRE 1 8 36101ZE1010 WIRE STOP SWITCH 370MM 1 11 90015883000 BOLT FLANGE 6X28 2 STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 PAGE 77 HONDA GX240K1HA2 ENGINE PISTON ASSY PISTON ASSY PAGE 78 MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 H
39. XER PARTS amp OPERATION MANUAL REV 3 08 10 06 MS20H MS20E MIXER ENGINE COVER ASSY ENGINE COVER ASSY NO PART NO PART NAME QTY REMARKS 16 29280 501 ENGINE HOUSE ASSY 1 22 08602 006 FLAT WASHER 3 8 12 28 07029 006 LOCK WASHER 3 8 50 29 07033 006 HEX NUT 3 8 16 50 62 06501 008 CAP SCREW 3 8 16 x 1 12 111 29173 001 STOP SWITCH 1 112 29174 001 RED KNOB 1 115 491010 LATCH ASSY 2 118 23342 523 WIRE ASSY GROUND LEAD 1 HONDA B amp S MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 PAGE 51 HONDA GX240K1HA2 ENGINE AIR CLEANER ASSY AIR CLEANER ASSY lt PAGE 52 MQ STOW 20 20 MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 AIR CLEANER ASSY NO PART NO 1 162712 2000 2 172102 2505 172182 2505 5 172312 9820 6 17232891000 8 172382 2310 94 172392 1000 10 174102 2020 12 90203ZA0800 13 90325044000 14 90009ZE2003 15 9405006000 STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 PAGE 53 HONDA GX240K1HA2 ENGINE AIR CLEANER ASSY PART NAME GASKET ELBOW ELEMENT AIR CLEANER DUAL FILTER OUTER COVER AIR CLEANER GROMMET AIR CLEANER COLLAR AIR CLEANER COLLAR B AIR CLEANER ELBOW COMP AIR CLEANER WINGNUT 6MM WINGNUT TOOL BOX SETTING BOLT WASHER 6 X 22 NUT FLANGE 6MM REM
40. d with Hazard Symbols which appear throughout this manual and will be referenced in conjunction with Safety Message Alert Symbols HAZARD SYMBOLS Engine exhaust gases contain poisonous carbon monoxide This gas is colorless and odorless and can cause death if inhaled NEVER operate this equipment in a confined area or enclosed structure that does not provide ample free flow air A Explosive Fuel Gasoline is extremely flammable and its vapors can cause an explosion if ignited DO NOT start the engine near spilled fuel or combustible fluids DO NOT fill the fuel tank while the engine is running or hot DO NOT overfill tank since spilled fuel could ignite if it comes into contact with hot engine parts or sparks from the ignition system Store fuel in approved containers in well ventilated areas and away from sparks and flames NEVER use fuel as a cleaning agent A Burn Hazards Engine components can generate extreme heat To prevent burns DO NOT touch these areas while the engine is running or immediately after operations NEVER operate the engine with heat shields or heat guards removed PAGE 6 MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 MS 20 MIXER SAFETY MESSAGE ALERT SYMBOLS A Respiratory Hazard A Accidental Starting OFF ALWAYS place the ON OFF switch in the OFF position disconnect the spark plug lead before servicing the engi
41. e Use the torque chart below as a general guideline and keep all hardware tight HARDWARE DIA TORQUE LB FT 5 16 18 24 3 8 24 37 1 2 13 39 1 2 13 Grade 8 90 In accordance with our established policy of constant improvement we reserve the right to amend these specifications at any time without notice GASOLINE ENGINE CARE For care and operation of the gasoline engine refer to the engine manufacturer s operating instructions furnished with the engine We recommend draining and refilling the engine crankcase at least every thirty hours of operation Check the engine oil level daily GASOLINE MIXER OFF ON SWITCH This feature is on gasoline engine mixers only Located on the side of the engine cover The purpose of this switch is to start and stop the mixer in normal operation ELECTRIC MOTOR MIXER OFF ON SWITCH This feature is on electric motor mixers only This switch is located on top of the motor Lift the engine cover to gain access to this switch The purpose of this switch is to start and stop the mixer in normal operation NEVER use the electric motor in an explosive environment ENGINE THROTTLE AND CHOKE CONTROLS Please refer to the engine owners manual for specific instructions MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 PAGE 13 MS20H MS20E MIXER BASIC ENGINE COMPONENTS Figure 2 Engine Controls and Components INITIAL SERVICING Th
42. e chocked blocks underneath wheel to prevent rolling while parked Inflate tires to correct pressure inspect tires for cuts and excessive wear See Table 4 Tire Wear Troubleshooting Check wheel mounting lug nuts with a torque wrench Torque wheel lug nuts as described in the Lug Nut Torque Requirements Table 6 Check tightness of suspension hardware nuts and bolts Avoid sudden stops and starts This can cause skidding or jackknifing Smooth gradual starts and stops will improve gas milage Avoid sharp turns to prevent rolling E DO NOT transport mixer with fuel in the fuel tank CAUTION If the trailer coupler is deformed replace entire coupler NEVER tow the pump with a defective trailer coupler There exist the possibility of the trailer separating from the towing vehicle Mixer Trailer Vehicle Connection 1 Check the vehicle hitch ball and trailer coupler for signs of wear or damage Replace any parts that are worn or damaged before towing Use only the 2 inch ball diameter with a towing capability of 5 000 Ibs 2 268 kg as indicated on the trailer s coupler Use of any other ball diameter will create an extremely dangerous condition which can result in separation of the coupler and ball or ball failure Be sure the coupler is secured to the hitch ball and the lock lever is down locked Attach safety chains as shown in Figure 5 Remember to cross the safety chains underneath the towpole
43. e engine Figure 2 must be checked for proper lubrication and filled with fuel prior to operation Refer to the manufacturers Engine manual for instructions amp details of operation and servicing 1 Fuel Filler Cap Remove this cap to add unleaded gasoline to the fuel tank Make sure cap is tightened securely DO NOT over fill erum Adding fuelto the tank should be accomplished only when the engine is stopped and has had an opportunity to cool down In the event of a fuel spill DO NOT attemptto startthe engine until the fuel residue has been completely wiped up and the area surrounding the engine is dry 2 Throttle Lever Used to adjust engine RPM speed lever advanced forward SLOW lever back toward operator FAST 3 Engine ON OFF Switch ON position permits engine starting OFF position stops engine operations 4 Recoil Starter pull rope Manual starting method Pull the starter grip until resistance is felt then pull briskly and smoothly 5 FuelValve Lever OPEN to let fuel flow CLOSE to stop the flow of fuel 6 Choke Lever Used in the starting of a cold engine or in cold weather conditions The choke enriches the fuel mixture 7 Air Cleaner Prevents dirt and other debris from entering the fuel system Remove wing nut on top of air filter cannister to gain access to filter element NOTE Operating the engine without an air filter with a damaged air filter or a filter in need of replacement wil
44. ectric Motor 8 0 H P 3600 R PM 15H P 1725 RPM Lube Oil Capacity 2 1 3 pints Speed Control Method Dimensions L x W x H 14 0 x 16 9 X 16 1 in 13 3 x 8 7 X 9 06 in 355 X 430 X 410 mm 338 X 220 X 230 mm Dry Net Weight 55 1 25 Kg Approx 22 Ibs 10 Kg PAGE 12 MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 MS20H MS20E MIXER GENERAL INFORMATION GENERAL The MQ STOW Model MS20H Honda GX240K1 gasoline engine and 520 electric motor plaster and mortar mixers are shipped completely assembled and have been factory tested The drum batch capacity of these mixers is between 3 5 and 4 0 bags With proper care they will give continuous service year after year These mixers can be powered by either gasoline or electric motors The shaft of the engine or electric motor 15 connected to a drive belt pulley which is attached to a main gear As the main gear rotates it causes the paddle shaft to rotate BEFORE STARTING Before starting the engine read the engine owners manual and thoroughly understand the safety information Check the items listed below OIL LEVELS Be sure to check the oil levels in the engine and engine reduction unit before starting the unit gasoline model only HARDWARE Check all hardware on the mixer before starting Periodically inspect all hardware Loose hardware can contribute to early component failure and poor performanc
45. enish with unleaded fuel NEVER disable or disconnect the start stop switch It is provided for operator safety Injury may result if itis disable disconnected or improperly maintained V belt Check Aworn or damaged V belt can adversely affect the performance of the mixer If a V belt is defective or worn simply replace the V belt as outlined in the maintenance section of this manual Blade Check Check for worn or paddle blades Make sure that all blades are adjusted properly See blade adjustment procedure on page 22 Replace all defective or damaged blades immediately Controls Start Stop Switches This mixer has been equipped with a start stop switch for both the gasoline and electric motor mixers These switches should be tested every time the engine or motor is started Lubricants Engine Oil 1 Remove the engine oil dipstick from its holder 2 Determine if the engine oil is low add correct amount of engine oil to bring oil level to a normal safe level Grease Fittings Zerk 1 Check the zerk grease fittings at each end of the mixing drum These grease fittings lubricate the dumping mechanism If the dumping handle is stiff or hard to move lubricate these fittings PAGE 24 MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 MS20H MS20E MIXER INITIAL START UP This section is intended to assist the operator with the initial start up of the MS 20H gasoline or MS
46. fitted parts Failure to comply may result in serious injury PAGE 20 MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 MS20H MS20E MIXER TRAILER SAFETY GUIDELINES Lug Nut Torque Requirements It is extremely important to apply and maintain proper wheel mounting torque on the trailer Be sure to use only the fasteners matched to the cone angle of the wheel Proper procedure for attachment of the wheels is as follows 1 Start all wheel lug nuts by hand 2 Torque all lug nuts in sequence See Figure 8 DO NOT torque the wheel lug nuts all way down Tighten each lug nut in 3 separate passes as defined by Table 6 Table 6 Tire Torque Requirements Wheel Size First Pass Second Pass Third Pass FT LBS FT LBS FT LBS 20 25 35 40 50 65 3 Afterfirstroad use retorque all lug nuts in sequence Check all wheel lug nuts periodically NOTE PNEUMATIC NEVER use an AIR GUN pneumatic air gun to tighten wheel TORQUE WRENCH lug nuts Figure 8 Wheel Lug Nuts Tightening Sequence STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 PAGE 21 MS20H MS20E MIXER PADDLE BLADE ADJUSTMENT Adjust paddles as shown in Figure 9 STEEL DRUM TOW END CENTER TOW END CAST PADDLE CAST PADDLE DRUM END ENGINE END CAST PADDLE PADDLE BLADE IS TOO TIGHT AGAINST DRUM SIDE WALLS 7 gt CENTERENGINE DRUMSIDE p 1
47. g Keep the mixer in proper running condition Fix damage to the mixer immediately and always replace broken parts Dispose of hazardous waste properly Examples of potentially hazardous waste are used motor oil fuel and fuel filters DO NOT use food or plastic containers to dispose of hazardous waste MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 PAGE 9 MS20H MS20E MIXER RULES FOR SAFE OPERATION Emergencies emergencies always know the location of the ALWAYS know the location of the nearest fire extinguisher nearest phone or keep a phone on the job site Also know the phone numbers of the nearest ambulance doctor and fire department This information will be invaluable the case of TS RON IG I 3 Tu X AMBULANCE gama E ALWAYS know the location of the nearest and first aid kit FIRE DEPARTMENT FIRSTAID KIT PAGE 10 MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 MS20H MS20E MIXER OPERATION AND SAFETY DECALS Machine Safety Decals The MQ STOW mortar and plaster mixer is equipped with a number of safety decals These decals are provided for operator safety and maintenance information Figure 1 below illustrates these decals as they appear on the machine Should any of these decals become unreadable replacements can be
48. h directions until there is a slight bind to be sure all the bearing surfaces are in contact Then back off the adjusting nut 1 6 to 1 4 turn or to the nearest locking hole or sufficiently to allow the wheel to rotate freely within limits of 001 to 010 end play Lock the nut at this position Install the cotter pin and dust cap and tighten all hardware DRUM HEAD SEAL CARE Grease every 40 hours of operation using any grade 1 lithium base grease Appy grease until visible inside of mixing tub over grease This will purge the seal system of contamination PADDLE SHAFT BEARINGS The paddle shafts in the MQ STOW mixers rotate in sealed ball bearings which require no additional lubrication as they are packed and sealed at the factory There is on each end of the mixing drum an Zerk grease fitting Oil these fittings two or three times each week as they lubricate the dumping mechanism of the mixing drum CAUTION Failure to lubricate the zerk grease fittings two or three times a week will cause the dumping mechanism to stiffen making the mixer hard to dump BEARING BRACKET Grease the bearing bracket every month GEAR ALIGNMENT The countershaft and drive pinion are mounted on a slotted base To align gears loosen the pillow block mounting bolts and move them until the necessary alignment has been made GEAR LUBRICATION The surface of the pinion and bull gear should be very lightly greased every 250 hours IMPORTANT
49. k plug is red Check float mechanism Spark plug is fouled Check tranistor ignition unit Spark plug is blue white Insufficient compression injected air leaking Carburetor jets are clogged overflow No spark present at tip of spark plug Tranistor ignition unit broken high voltage cord cracked or broken Start Stop switch broken Replace spark plug if fouled No oil Add oil as required Oil pressure alarm lamp blinks upon starting Check Automatic shutdown circuit oil sensor Engine will not turn over Replace cylinder and piston and if necessary axel joint Cylinder head connecting bolts loose Tighten cylinder head connecting bolts Insufficient power output no Cylinder head gasket damaged Replace cylinder head gasket compression Malfunction of valve seat Re seat valves Spark plug is loose Replace spark plug Worn piston rings Replace piston rings Malfunction in air cleaner System air filter clogged Clean or replace air filter Air leaking in from interface Insufficient power output between carburetor and cylinder compression head Tighten bolts between carburetor and cylinder head Replace cylinder head gasket Malfunction in fuel system Clean or replace fuel filter Clean or replace carburetor Check carburetor float STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10
50. l allow dirt to enter the engine causing rapid engine wear 8 Spark Plug Provides spark to the ignition system Set spark plug gap to 0 6 0 7 mm 0 028 0 031 inch Clean spark plug once a week 9 Muffler Used to reduce noise and emissions Engine components can generate extreme heat To prevent burns DO NOT touch these areas while the engine is running or immediately after operating NEVER operate the engine with the muffler removed 10 Fuel Tank Holds unleaded gasoline For additional information refer to engine owner s manual BEE PAGE 14 STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 MS20H MS20E MIXER ELECTRIC MOTOR Electric Motor For maintenance care and operation of the electric motor refer to your electric motor instruction booklet furnished with the motor Protect the electric motor from dust as much as possible and keep ventilating openings clean CAUTION DO NOT spray water at any time on the electric motor DO NOT operate electric motor in a explosive environment The electric motor used in this mixer is a single phase 1 5 HP motor The input voltage requirement for this motor is either 115 or 230 VAC only Electric Motor Connection A 12 inch electrical cable Figure 2 with a pigtail at one end is provided with the electrical motor for hookup to a power source Table 1 shows the required NEMA connector for the desired
51. ne or equipment Ground the lead to prevent sparks that could ignite a ae fire ALWAYS wear approved respiratory protection A Sight and Hearing hazard A Equipment Damage Messages Other important messages are provided throughout this manual gt T ALWAYS wear approved eye and hearing 10 help prevent damage to your concrete saw other property or protection the surrounding environment the surrounding environment NEJ could be damaged if you do not follow instructions MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 PAGE 7 MS20H MS20E MIXER RULES FOR SAFE OPERATION CAUTION Failure to follow instructions in this manual may lead to serious injury or even death This equipment is to be operated by trained and qualified personnel only This equipment is for industrial use only The following safety guidelines should always be used when operating the MS20H MS20E mortar and plaster mixers GENERAL SAFETY DO NOT operate or service this equipment before reading this entire manual This equipment should not be operated by persons under 18 years of age NEVER operate this equipment without proper protective clothing shatterproof glasses steel toed boots and other protective devices required by the job feeling well due to fatigue illness or taking NEVER operate this equipment when not 7 medicine
52. obtained from your dealer AWARNING A MAXIMUM SAFE TOWING SPEED DRUM LOCK POSITIONING ACAUTION A FOR THIS BOLT amp EQUIPMENT IS SEE OPERATION MANUAL FOR PROPER LOCKNUT 55 MPH DRUM LOCK POSITIONING LEGEND REPRESENTS LOCK PIN SECURE BOLTS AND LOCKNUTS IN TOWING POSITION AS INDICATED BEFORE TOWING i REPRESENTS DRUM STOP BLOCK P N 21513 001 F gt WARNING gt 1 DO NOT OPERATE MACHINE WITH COVER OPEN P N 25474 001 2 BEFORE STARTING OR STOPPING THE MACHINE PUT THE BELT SLIP LEVER IN THE START STOP POSITION 3 ALWAYS DISCONNECT ENGINE SPARK PLUG OR ELECTRIC CORD WHEN CLEANING OR ADJUSTING MACHINE FAILURE TO COMPLY CAN RESULT IN SERIOUS PERSONAL INJURY A WARNING A The engine exhaust from this product contains chemicals known to the State of California to cause cancer birth defects or other reproductive harm DCL160 21780 21780 001 WARNING 45 KEEP COVER CLOSED WHILE RUNNING A WARNING A TBD PUSH IN TO STOP ENGINE DIVISION OF MULTIQUIP INC TBD TBD DO NOT REMOVE DRUM SAFETY GRATE SHUT OFF ENGINE MOTOR BEFORE PUTTING HANDS IN MIXER DRUM P N 25259 001 A CAUTION A READ THE OPERATING MANUAL BEFORE OPERATING THIS MACHINE KEEP ALL UNAUTHORIZED A ND UNTRAINED PEOPLE AWAY FROM THIS N AM E LATE POSI TION MACHINE AT ALL TIMES KEEP ALL GUARDS IN PLACE NEVER OPERATE WITH ENGINEMOTOR COVER OPEN KEEP
53. of the mixer After towing for about 50 miles recheck the entire towing system for tightness Recommended Maintenance jn Smear ball socket and clamp face with chassis grease Periodically oil pivot points and were surfaces of coupler with SAE 30 W motor oil When parking or storing the mixer keep the coupler off the ground so dirt and other debris will not build up in the ball socket PAGE 18 STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 MS20H MS20E MIXER SAFETY CHAIN CONNECTION Always Tow with a Safety Chain NEVER tow the mixer with the safety chain removed The safety chain is intended to prevent complete separation of the mixer from the towing vehicle in the event of a tow bar failure Reference Figure 5 for the installation of the safety chain Tow Bar to Mixer Connection 1 Insert the tow bar through the round opening at the bottom of the mixer stand Align the hole on the tow bar with the hole on the mixer frame and insert 1 2 inch bolt through tow bar and frame Secure tow bar to frame with 1 2 inch nylock nut Tighten to 40 ft lbs MIXER STAND 1 2 INCH NYLOCK NUT GRADE 5 SAFETY CHAIN BEA TOW BAR CONNECTOR LINK gt 1 2 INCH BOLT GRADE 5 SAFETY CHAIN 56 CLEVIS SAFETY HOOK X GA TOWING VEHICLE gt 2 CONNECTOR LINK Figure 5 Mixer Safety Chain and Coupler 2
54. oggle switch from 115 VAC to 230 VAC The mixer is factory wired for 115 VAC operation 3 Replace the voltage lock out bolt 4 Important when changing the input voltage to the motor from 115 to 230 VAC the plug on the motor power cord must also be changed See Table 3 Table 3 Electric Motor Wiring Information NEMA Plug Connector Mating NEMA Receptacle Connector 15 HP 15 20 P N EM940537 15 208 P N EM940538 115 VAC L6 20P PIN 940539 16 208 P N 940540 230 VAC Table 4 Recommended Extension Cord Sizes 75 ft 100 ft 200 ft 18 nato 1 5 ree Motor Horsepower Rating MS20E Electric MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 PAGE 15 MS20H MS20E MIXER ELECTRIC MOTOR VOLTAGE VOLTAGE CHANGE SELECTOR LOCK OUT SWITCH L5 20P PLUG BOLT 115 VAC GREASE L6 20P PLUG 230 VAC SINGLE PHASE 115 230 VAC ELECTRIC Wo MOTOR 45HP CONNECT TO POWER L5 20R GREASE SOURCE RECEPTACLE FITTING ON OFF 115 VAC SWITCH R END L6 20R RECEPTACLE 230 VAC Figure 3 Single Phase Electric Motor with 18 inch Pigtail Cable PAGE 16 MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 MS20H MS20E MIXER CONTROLS 7 4 SZ
55. on the electric motor connect the other end to the power source Make sure the motor is configured for the proper operating voltage Set the electric motor s ON OFF switch Figure 3 to the ON position Mixing Dumping 1 2 The paddle shaft inside the drum should be rotating at this time Lift the mixing bag compound onto the steel grate over the bag cutter and let the contents fall into the drum Add water and mix compound to desired consistency When charging mixing or dumping a batch of plaster or mortar the drum lock pin should be placed to the left when viewing the mixer from the towpole end of the drum stop block which is welded to the front side of the drum See Figure 22 This will allow the operator to use both hands on the drum handle during dumping Please note that when the lock pin is placed to the left the drum will only rotate in a clockwise direction When the dump handle is released the drum will return to an upright position DRUM LATCH STOP PIN BLOCK MIX POSITION Figure 22 Drum Lock Pin Left Position Be sure to stand clear of the dump handle when the mixer is operational Any binding of material between the mixer blades and the drum will cause the drum handle to move to the discharge position thus causing bodily harm Starting electric only 1 Using adequate size extension cord see Table 4 connect one end of the extension cord to the plug on the electric moto
56. ont side of the drum Also make sure lock pin is fully engaged locked This will prevent the drum ENGINE SWITCH from tipping 375 9 52 MM Figure 15 Engine ON OFF Switch 5 Located on the engine cover is the main start stop switch Figure 16 Pull this switch outward to start the engine PULL OUT TO START ENGINE Figure 19 Drum Lock Pin Side View DRUM LATCH 2 STOP BLOCK N e Figure 16 Start Stop Switch gasoline TOW OR LOCKED POSITION 6 Place the belt slip lever Figure 17 in the START STOP position Figure 19 Drum Lock Pin Right Position e 7 the starter grip Figure 20 lightly until you feel resistance then pull briskly Return the starter grip gently START STOP grp genty NZ POSITION POSITION Figure 18 Belt Slip Lever STARTER GRIP Start Stop Position Figure 20 Starter Grip PAGE 26 STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 MS20H MS20E MIXER INITIAL START UP 8 Place the belt slip lever Figure 21 in the mix position This will tilt the engine placing tension on the V belts enabling the shaft to rotate BELT SLIP LEVER START STOP POSITION POSITION Figure 21 Belt Slip Lever Mix Position Starting electric only 1 Using an adequate size extension cord see Table 4 connect one end of the extension cord to the plug
57. ovide adequate notice of changes however prices and equipment specifications are subject to change without notice Price changes are effective on a specific date and all orders received on or after that date will be billed at the revised price Rebates for price reductions and added charges for price increases will not be made for stock in dealer inventory at the time of a price change STOW reserves the right to quote and sell direct to Government agencies and to Original Equipment Manufacturer accounts who use our products as integral parts of their own products LIMITATION OF SELLER S LIABILITY STOW shall not be liable hereunder for damages in excess of the purchase price of the item with respect to which damages are claimed and in no event shall STOW be liable for loss of profit or good will or for any other special consequential or incidental damages LIMITATION OF WARRANTIES There are no warranties express or implied made by STOW hereunder on Products manufactured or distributed by it except the warranty against defects in material and STOW CONSTRUCTION EQUIPMENT POST OFFICE BOX 6254 CARSON CALIFORNIA 90749 310 661 4242 877 BUY STOW A DIVISION OF MULTIQUIP INC Atlanta Boise Newark Quebec Canada Manchester UK Rio de Janeiro BR Puebla MX FAX 310 604 9237 E MAIL stow stowmfg com www stowmfg com PAGE 86 MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV
58. personally deliver the equipment or parts to the carrier RETURNED GOODS POLICY Return shipments may be accepted and credit allowed subject to the following provisions 1 A Returned Material Authorization RMA must be approved by STOW prior to shipment Approvals for returned goods must be with just cause and are at the sole discretion of STOW A copy of the Authorization must accompany the shipment to the designated Warehouse Parts being returned must be listed as currently supplied on the current parts list Parts must be in new and resalable condition in the original package with part numbers Clearly marked Units and accessories must be current models in the latest price list and in new and resalable condition Special order items are not returnable for credit 6 Credit on returned parts and units will be issued at actual dealer net price at time of purchase less 15 restocking charge All returned shipments are to be made to the STOW designated receiving point freight prepaid at the senders expense 2 sender will be notified of any material received that does not meet the above provisions Such material will be held for 30 days from notification pending instructions If a reply is not received within 30 days the material will be returned to the sender at his expense with no credit issued PRICING REBATES AND SPECIFICATIONS Every effort will be made to pr
59. r connect the other end to the power source Make sure the motor is configured for the proper operating source Set the electric motors ON OFF switch Figure 3 to the ON position STOPPINGTHE MIXER gasoline 1 2 3 4 5 Place the belt slip lever in the start stop position Push the main start stop switch Figure 8 inward to stop the engine Turn the fuel shut off valve to the OFF position Disconnect the spark plug Clean drum of all debris and foreign matter STOPPINGTHE MIXER electric 1 Place the electric motor s start stop switch Figure 3 in the OFF position Disconnect the electric motor s extension cord from its power source Clean drum of all debris and foreign matter MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 PAGE 27 MS20H MS20E MIXER MAINTENANCE WHEEL BEARINGS After every 3 months of operation remove the hub dust cap and inspect the wheel bearings Once a year or when required disassemble the wheel hubs remove the old grease and repack the bearings forcing grease between rollers cone and cage with a good grade of high speed wheel bearing grease never use grease heavier than 265 A S T M penetration No 2 Fill the wheel hub with grease to the inside diameter of the outer races and also fill the hub grease cap Reassemble the hub and mount the wheel Then tighten the adjusting nut at the same time turn the wheel in bot
60. rt available NOTE The contents of this parts catalog are subject to change without notice PAGE 34 MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 MS20H MS20E MIXER SUGGESTED SPARE PARTS MS20H MS20E MIXER 1TO 3 UNITS WITH HONDA GX240K1HA2 ENGINE Qty P N Description EE 491010 RUBBER LATCH ASSY Tenani 503640 V BELT HONDA 8 0 HP 491112 V BELT ELECTRIC MOTOR poe 25647 503 WIPER KIT P iion 3065 SEAL AXLE 29173 001 STOP SWITCH donne 9807956846 SPARK PLUG HONDA 8 0 HP 17210ZE2505 ELEMENT AIR HONDA 8 0 peo 28462ZE2W11 ROPE RECOIL STARTER MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 PAGE 35 MS20H MS20E MIXER NAMEPLATE AND DECALS NAMEPLATE AND DECALS LOCATED INSIDE CABINET a gt PUSH IN ENGINE PAGE 36 MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 MS20H MS20E MIXER NAMEPLATE AND DECALS NAMEPLATE AND DECALS NO PART NO PART NAME QTY REMARKS 2 TBD DECAL STOW MULTIQUIP 2 3 21780 001 DECAL WARNING 1 4x DCL160 DECAL PROP 65 1 5 TBD DECAL KEEP COVER CLOSED 1 6 TBD DECAL CAUTION READ 1 7 21781 001 DECAL BELT SLIP LEVER 1 8 25259 001 DECAL WARNING GRATE 1 9 TBD DECAL PUSH IN STOP 1 10 DECAL NAMEPLATE
61. sive atmosphere or near combustible materials An explosion or fire could result causing severe bodily harm or even death ALWAYS use extreme caution when working with flammable liquids When refueling stop the engine and allow it to cool DO smoke around or near the machine Fire or explosion could result from fuel vapors or if fuel is spilled on a hot engine PAGE 8 MQ STOW MS20H MS20E MIXER PARTS 8 OPERATION MANUAL REV 3 08 10 06 520 520 MIXER RULES FOR SAFE OPERATION Stop the engine when leaving the mixer unattended Block the unit when leaving or when using on slope Maintain this equipment a safe operating condition at all times ALWAYS stop the engine before servicing adding fuel and oll NEVER Run engine without air filter Severe engine may occur ALWAYS service air cleaner frequently to prevent carburetor malfunction ALWAYS be sure the operator is familiar with proper safety precautions and operations techniques before using mixer ALWAYS store equipment properly when it is not being used Equipment should be stored in a clean dry location out of the reach of children E DO NOT operate this equipment unless all guards and safety devices are attached and in place CAUTION must exercised while servicing this equipment Rotating and moving parts can cause injury if contacted When towing an adequate safety chain must be fa
62. stened to the frame refer to page 19 Keep all inexperienced and unauthorized people away from the equipment at all times Unauthorized equipment modifications will void all warranties Check all fasteners periodically for tightness Also check towing tongue bolt lock nut and wheel lug nuts for wear Stop the engine and disconnect the spark plug before allowing anybody s hands in the mixing drum NEVER pour or spray water over the engine or electric motor ALWAYS stand clear of dump handle when mixer is in operation Any binding of material between the mixer blades and drum will cause drum and handle to quickly move in the discharge position Depending on type of mixer test the ON OFF switch for either the gasoline engine or electric motor before operating The purpose of these switches is to shut down the engine or motor of the mixer Refer to the HONDA Engine Owner s Manual for engine technical questions or information recommended by Multiquip for this equipment Damage to the equipment and or injury to user may result Transporting ALWAYS shutdown engine before transporting Tighten fuel tank cap securely and close fuel cock to prevent fuel from spilling Drain fuel when transporting mixer over long distances or bad roads Maintenance Safety NEVER lubricate components or attempt service on a running mixer ALWAYS allow the mixer a proper amount of time to cool before servicin
63. stment lever Adjust if necessary Material leaking from drum Worn or defective paddle shaft ends seals Replace seals Defective or worn drum support brackets Apply grease to bracket or replace Drum difficult to discharge tilt Blades adjusted too tight Adjust blades until they almost touch side walls of drum TABLE 10 ELECTRIC MOTOR TROUBLESHOOTING SYMPTOM POSSIBLE PROBLEM SOLUTION No voltage to motor Check power source Defective extension cord Replace extension cord Blades will not rotate Defective motor ON OFF switch Replace switch Defective motor windings Repair windings or replace windings MQ STOW MS20H MS20E MIXER PARTS amp OPERATION MANUAL REV 3 08 10 06 PAGE 31 MS20H MS20E MIXER WIRING DIAGRAM ELECTRIC MOTOR 2 WHT ORG N 3 0RG 3 0 H WHT YEL FEY Em E 230V LINE PLUG BLACK 230V LINE PLUG WHEN REQUIRED GREEN WHITE ON OFF SWITCH WHEN REQUIRED CORD 115V LINE PLUG BLACK INTERNAL CONNECTION FOR NOTES TWO TERMINAL THERMAL 1 CONNECTIONS ARE SHOWN FOR CCW ROTATION FACING J BRN END OPPOSITE SHAFT EXTENSION STD FOR CW WHT YEL ROTATION INTERCHANGE 5 AND 8 LEADS THERMAL 2 MULTIPLE CAPACITORS ARE CONNECTED IN PARALLEL UNLESS OTHERWISE SPECIFIED 3 USE 2PDT VOLTAGE CHANGE SWITCH CONTACTS ARE SHOWN IN
64. t type Actual back freight may be charged for shipments originating from other than specified FOB warehouses See Freight Policy for details All STOW domestic sales are FOB nearest available designated MQ STOW warehouse Export orders are ex works factory located in Carson CA or Boise ID Additions to orders already shipped cannot be accepted for freight minimums Should STOW elect to make partial shipments of an order originally complying with the freight allowed requirements transportation charges will be absorbed by STOW on any subsequent shipment applying to that order All other orders will be shipped collect or prepaid with charges added to the invoice STOW s responsibility ceases when a signed manifest has been obtained from the carrier and any claim for shortage or damage must be settled between the consignee and the carrier Parts FOB Carson California or Boise Idaho See Freight Policy for details and additional discounts Terms and Conditions of Sale STOW Construction Equipment DROP SHIPMENTS STOW reserves the right to refuse Drop Shipments outside the normal service area of the purchasing dealer FIELD WAREHOUSES Field Warehouses are currently located in California Georgia Idaho lowa and New Jersey SPECIAL EXPEDITING SERVICE The higher of a 35 00 surcharge or actual costs will be added to the invoice for special handling including bus shipments or in cases where STOW personnel must

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