Stow Microscope & Magnifier PSH User's Manual
Contents
1. SAFETY ITEM 36 1834 DEFLECTOR EXHAUST zza dels ka SAFETY ITEM 37 1273 SCREW HHST 8 32 X 3 8 2 STOW PORTO SCREED OPERATION amp PARTS MANUAL REV 1 01 20 04 PAGE 25 Effective July 15 2003 TERMS AND CONDITIONS OF SALE PARTS Terms and Conditions of Sale STOW Construction Equipment 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 equipment 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 of2. fuel from spilling II Drain fuel when transporting PSH over long distances or bad roads When placing the PSH inside a truck bed for transport always tie down the PSH ALWAYS use proper lifting techniques when moving the PSH Maintenance Safety NEVER lubricate components or attempt service on a running machine ALWAYS allow the machine a proper amount of time to cool before servicing Keep the machinery in proper running condition Fix damage to the machine immediately and always replace broken parts II 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 Emergencies E ALWAYS know the location of the nearest fire extinguisher ALWAYS know the location of the nearest and first aid kit FIRST AID KIT In emergencies always know the location of the 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 in the case of an emergency I am ZA mmm mM PAGE 10 STOW PORTO SCREED OPERATION amp PARTS MANUAL REV 1 01 20 04 PORTO SCREED PSH OPERATION AND SAFETY DECALS OPERATION AND SAFETY DECALS The PORTO SCREED walk behind PSH is equipped with a number of operation and safety decals The
3. the starter grip until resistance is felt then pull briskly and smoothly 5 Fuel Valve Lever OPEN to let fuel flow CLOSE to stop the flow of fuel 6 12 Choke Lever Used in the starting of a cold engine or in cold weather conditions The choke enriches the fuel mixture 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 Operating the engine without an air filter with a damaged air filter or a filter in need of replacement will allow dirt to enter the engine causing rapid engine wear Spark Plug Provides spark to the ignition system Clean spark plug once a week 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 Fuel Tank Holds unleaded gasoline For additional information refer to engine owner s manual Oil Drain Plug Remove this plug to remove oil from the engine s crankcase Dipstick Oil Filler Cap Remove this cap to determine if the engine oil is low Add oil through this filler port as recommended in Table 3 PAGE 14 STOW PORTO SCREED OPERATION amp PARTS MANUAL REV 1 01 20 04 PORTO SCREED PSH PRE INSPECTION PRE INSPECTION Reference manufacturer
4. as currently supplied on the current parts list 3 Parts must be in new and resalable condition in the original package with part numbers clearly marked 4 Units and accessories must be current models in the latest price list and in new and resalable condition 5 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 1596 restocking charge 7 All returned shipments are to be made to the STOW designated receiving point freight prepaid at the sender s expense SIOW A DIVISION OF MULTIQUIP INC Atlanta Boise Newark Quebec Canada Manchester UK Rio de Janeiro BR Puebla MX The 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 provide 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 o
5. attempt to refuel the PSH if the engine is hot or running 1 Remove the gasoline cap located on top of fuel tank 2 Visually inspectto see if fuel level is low If fuel is low replenish with unleaded fuel 3 When refueling be sure to use a strainer for filtration DO NOT top off fuel Wipe up any spilled fuel V Belt Check Aworn or damaged V belt can adversely affect the performance of the PSH If a V belt is defective or worn simply replace the V belt as outlined in the maintenance section of this manual STOW PORTO SCREED OPERATION amp PARTS MANUAL REV 1 01 20 04 PAGE 15 PORTO SCREED PSH INITIAL START UP INITIAL START UP CHOKE LEVER Lifting and Moving the PSH Even thoughthe PSH is lightweight always use two people when lifting or moving the PSH This section is intended to assist the operator with the initial start up of the PSH It is extremely important that this section be read carefully before attempting to use the PSH in the field DO NOT attempt to operate the PSH until the Safety General Information and Inspection sections of this manual have been read and Figure 1 Engine Choke LEVET thoroughly understood 4 Place the choke lever Figure 12 inthe OPEN position if starting a warm engine or the temperature is warm Starting the Engine CHOKE LEVER 1 Place the engine fuel valve lever Figure 9 to the ON position Figure 12 Engine Choke Lever
6. necessary 2 Check V belt Weekly 50 60 Hours 1 Check the engine air filter and replace as necessary 2 Replace engine oil and filter as necessary see engine manual STOW PORTO SCREED OPERATION amp PARTS MANUAL REV 1 01 20 04 PAGE 19 PORTO SCREED PSH TROUBLESHOOTING ENGINE TABLE 4 TROUBLESHOOTING ENGINE SYMPTOM POSSIBLE CAUSE SOLUTION TE Check gap insulation or Spark plug bridging replace spark plug i Difficult to start fuel is available but no Carbon deposit on spark plug Clean or replace spark plug SPARK at spark plug Short circuit due to deficient spark plug Check spark plug insulation insulation replace if worn Improper spark plug gap Set to proper gap Wr Check switch wiring replace 9 ON OFF switch is shorted switch Ignition coil defective Replace ignition coil Difficult to start fuel is available and Improper spark gap points dirty spark gap and SPARK is present at the spark plug pod insulation worn or short Replace condenser Spark plug wire broken or short circuiting AA Upipeive s pate plug Flush fuel system and replace 9 fuel type with correct type of fuel Water or dust in fuel system Flush fuel system Difficult to start fuel is available spark is present and compression is normal Air cleaner dirty Replace air cleaner Choke Open Engine cold Close Choke Choke Closed Engine warm Open Choke Suction exhaust valve
7. stuck or protruded Piston ring and or cylinder worn A PORASTA Difficult to start fuel is available spark is present and compression is low Cylinder head and or spark plug not Torque cylinder head bolts and tightened properly spark plug Head gasket and or spark plug gasket Replace head and spark plug damaged gaskets Fuel not available in fuel tank Fill with correct type of fuel Fuel filter clogged Replace fuel filter No fuel present inside priming bulb Fuel tank cap breather hole clogged Clean or replace fuel tank cap Air in fuel line Bleed fuel line PAGE 20 STOW PORTO SCREED OPERATION 8 PARTS MANUAL REV 1 01 20 04 PORTO SCREED PSH SUGGESTED SPARE PARTS SUGGESTED SPARE PARTS PORTO SCREED PSH 1 3 UNITS WITH HONDA GX120K1QX2 ENGINE 1 to 3 Units Qty PIN Description Listes 30033 401 CABLE THROTTLE ASM me 22094 006 O RING FASTENER A seige 1162 CAP GREASE ZERK juan 07055 028 V BELT 4L280 19977 es KNOB CLAMP INST 176207 7023 TANK CAP HONDA PE 17210ZE1505 AIR CLEANER ELEMENT O ies 98079568406 SPARK PLUG IE 284627 8003 ROPE RECOIL STARTER The contents of this parts catalog are subject to change without notice STOW PORTO SCREED OPERATION amp PARTS MANUAL REV 1 01 20 04 PAGE 21 PORTO SCREED PSH NAMEPLATE AND DECALS CJ NAMEPLATE
8. AND DECALS DECAL SHEET INTL STDS ISO P N 11246 ANWARNING gt M Ao EEP GUARDS P N 21302 BELT DRIVE P N 20525 SM B 1 1 2 x 2 1 4 CHECK CONTACT SERVICE DEPARTMENT P N 35137 CE P N 11092 STOW Porto Screed STOW P N 20109 001 LUBRICATION P N 13118 P N 25263 001 PAGE 22 STOW PORTO SCREED OPERATION amp PARTS MANUAL REV 1 01 20 04 PORTO SCREED PSH NAMEPLATE AND DECALS NAMEPLATE AND DECALS NO PARTNO PART NAME QTY REMARKS 1 21302 DECAL GUARD WARNING Y Cass SAFETY ITEM 2 20525 SMALL DECAL WARNING CA PROP 65 Vn SAFETY ITEM 3 36099 DECAL HELMET SHOE AND GLOVE Toss SAFETY ITEM 4 11246 DECAL SHEET INTERNATIONAL STANDARDS 1 SAFETY ITEM 5 20109 001 DECAL STOW PORTO SCREED 1 6 25263 001 DECAL CAUTION GAS SAFETY ITEM 7 13118 DECAL POWDER COATED 1 8 NAME SPADE T axis CONTACT PARTS DEPARTMENT 9 35137 DECAL WARNING READ MANUAL Tus SAFETY ITEM 10 11092 DECAL CE 1 SEE DECAL ILLUSTRATIONS ON PAGE 11 The contents of this parts NOTE catalog are subject to change without notice STOW PORTO SCREED OPERATION amp PARTS MANUAL REV 1 01 20 04 PAGE 23 PORTO SCREED PSH ASSEMBLY ASS
9. DO NOT follow these directions Potential hazards associated with PORTO SCREED operation will be referenced with Hazard Symbols which appear throughout this manual and will be referenced in conjunction with Safety Message Alert Symbols STOW PORTO SCREED OPERATION amp PARTS MANUAL REV 1 01 20 04 PAGE 7 PORTO SCREED PSH SAFETY MESSAGE ALERT SYMBOLS A Respiratory Hazard d ALWAYS wear approved respiratory protection A Sight and Hearing hazard gt T ALWAYS wear approved eye and hearing 4 protection a A Equipment Damage Messages Other important messages are provided throughout this manual to help prevent damage to your PSH other property or the surrounding environment The NOTE symbol will be used whenever important or special information should be referenced PAGE 8 STOW PORTO SCREED OPERATION amp PARTS MANUAL REV 1 01 20 04 PORTO SCREED PSH RULES FOR SAFE OPERATION RULES FOR SAFE OPERATION 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 PORTO SCREED SAFETY ALWAYS read understand and follow procedures in Operator s Manual before attempting to operate or service this equipment Make sure the op
10. EMBLY PAGE 24 STOW PORTO SCREED OPERATION amp PARTS MANUAL REV 1 01 20 04 PORTO SCREED PSH ASSEMBLY ASSEMBLY NO PART NO PART NAME QTY REMARKS 1 21387 ENGINE 4 HP HONDA GX120K1QX2 1 2 12704 304 CLUTCH 1 3 18241 301 BELT GUARD asked LE SAFETY ITEM 4 0655 SCREW 5 16 18 X 3 4 3 5 0161C LOCK WASHER 5 16 9 6 0300 B FLAT WASHER 5 16 7 7 0949 HEX NUT 1 4 20 8 8 0181B LOCK WASHER 1 4 8 9 15488 001 PLATE ENGINE MOUNT 1 10 5283 NUT NYLOC 5 16 18 4 11 08297 008 NUT LOCK 1 2 20 GRIPCO 1 12 0477 FLATWASHER 1 2 1 13 36493 PULLEY AS20 X 5 8 1 13A 07051 017 PULLEY 1 8 KEYWAY Tonos SERVICE ONLY 14 07055 028 V BELT4L280 1 15 27023 001 BEARING P BLOCK 2 16 1162A CAP GREASE ZERK 2 2 17 4001 FLAT WASHER 3 8 4 18 1284 SCREW HHCS 3 8 16 X 1 1 19 36494 KEY WOODRUFF 6 1 20 21101 002 SPINDLE ECCENTRIC 1 21 0202 SCREW 5 16 18 X 3 4 2 22 13658 001 SPACER HANDLE 2 23 4014 SCREW 2 3 16 P K TYPE U DRIVE 2 24 11679 001 MOUNT ISOLATION 4 20 0161 D NUT HEX 5 16 X 18 2 26 0105 SCREW HHC 5 16 18 X 1 1 2 4 27 12706 401 FRAME 1 28 19977 KNOB CLAMP 6 29 11831 001 SPACER ECCENTRIC PULLEY 1 30 36491 TUBE HANDLE LEG 2 31 36492 TUBE HANDLE 1 32 12714 006 SCREW PHSHT METAL 10 3 8 SLOTTED 2 33 30033 401 CABLE THROTTLE ASM 1 34 22094 006 O RING 2 35 36499 PLATE LOWER BELT GUARD
11. NT 800 427 1244 or 310 537 3700 FAX 800 672 7877 or 310 637 3284 SERVICE DEPARTMENT 800 421 1244 FAX 310 537 4259 TECHNICAL ASSISTANCE 800 478 1244 FAX 310 631 5032 WARRANTY DEPARTMENT 888 661 4279 or 310 661 4279 FAX 310 537 1173 PORTO SCREED PSH TABLE OF CONTENTS STOW PORTO SCREED PSH Help and Technical Assistance 3 Table of Contents Introduction 4 Parts Ordering Procedures U K amp 5 Parts Ordering Procedures U S 6 Specifications PSH use erat res 5 Specifications Engine 6 Safety Message Alert Symbols 7 8 Rules For Safe Operation 9 10 Operation And Safety Decals 11 Introduction Intended Use 12 niae cR DET 13 Controls and Components 13 Basic Engine eee 14 Pre lInspection anite teh tet edits 15 Initial Start Up aaa RO AAA OE 16 17 OPPE ee A i d ides 18 Maintenance susciter el au Pate TD dca s 19 Troubleshooting Engine 20 Suggested Spare 21 Nameplate and 22 23 pisci quo EEE EE ME ER 24 25 Terms a
12. OPERATION AND PARTS MANUAL STOW A DIVISION OF MULTIQUIP INC PORTO SCREED MODEL PSH MODEL SERIAL Revision 1 01 20 04 US COPYRIGHT 2004 MULTIQUIP INC STOW CONSTRUCTION EQUIPMENT PARTS DEPARTMENT STOW A DIVISION OF MULTIQUIP INC 800 427 1244 POST OFFICE BOX 6254 FAX 800 672 7877 CARSON 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 multiquip com WWW stowmfg com P N 36442 A WARNING A CALIFORNIA Proposition 65 Warnin Engine exhaust and some of its constituents and some dust created by power sanding sawing grinding drilling and other construction 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 Cementandother masonry products e Arsenicandchromium from chemically treated lumber Your risk from these exposures varies depending on how oftenyoudothistype 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 HERE S HOW TO GET HELP PLEASE HAVE THE MODEL AND SERIAL NUMBER ON HAND WHEN CALLING PARTS DEPARTME
13. Open Figure 9 Engine Fuel Valve Lever 5 Place the engine ON OFF switch Figure 13 in the ON position 2 Place the trowel s throttle lever Figure 10 to the IDLE position ENGINE THROTTLE LEVER POSITION Figure 10 Throttle Lever Idle Position Figure 13 Engine ON OFF Switch 3 Placethe choke lever Figure 11 inthe CLOSED position if starting a cold engine PAGE 16 STOW PORTO SCREED OPERATION amp PARTS MANUAL REV 1 01 20 04 6 7 PORTO SCREED PSH INITIAL START UP Grasp the starter grip Figure 14 and slowly pull Stopping The Engine resistance becomes the hardest at a certain position corre Movethethrottle lever tothe IDLE or SLOW position Figure sponding to the compression point Pullthe starter grip briskly 15 and run the engine for three minutes at low speed and smoothly for starting 2 Afterthe engine cools turn the engine start stop switch tothe OFF position Figure 16 STARTER GRIP ENGINE SWITCH Figure 16 Engine ON OFF Switch OFF Position Figure 14 Starter Grip If the engine has started slowly return the choke lever Figure 12 tothe OPEN position Iftheenginehasnotstarted 3 Closethe fuelshut off valve Figure 17 by moving the fuel repeat steps 1 through 6 valve lever to the OFF position Before the PSH is placed into operation run the engine for Et several minutes Checkforfuelleaks and noises that would DRU associa
14. PARTMENT 800 421 1244 FAX 310 537 4259 TECHNICAL ASSISTANCE 800 478 1244 FAX 310 631 5032 WARRANTY DEPARTMENT 888 661 4279 or 310 661 4279 FAX 310 537 1173 STOW CONSTRUCTION EQUIPMENT PARTS DEPARTMENT STOW A DIVISION OF MULTIQUIP INC 800 427 ee POST OFFICE BOX i FAX 800 Lb EN CARSON CA 9074 SERVICE DEPARTMENT ECHNICAL ASSISTANCE 310 537 3700 By 252 STOW 888 252 7869 800 478 12 FAX 310 537 1986 FAX 800 556 1986 FAX 310 5032 E MAIL stow multiquip com WWW stowmfg com
15. PECIFICATIONS ENGINE Table 2 Engine Specifications HONDA GX120K1QX2 Type 4 stroke Overhead valve Single Cylinder 2 4 in X 1 7 in Bore X Stroke 60 mm x 42 mm Displacement 7 3 Cu in 119 cc Max Output 3 9 H P at 3 600 R P M Engine Fuel Tank Capacity Approx 0 66 U S Gallons 2 5 Liters Standard Idle Speed 1 400 200 150 R P M Fuel Unleaded Gasoline Speed Control Method L x W x H 297 X 341 X 318 mm PAGE 6 STOW PORTO SCREED OPERATION amp PARTS MANUAL REV 1 01 20 04 PORTO SCREED PSH SAFETY MESSAGE ALERT SYMBOLS FOR YOUR SAFETY AND THE 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 HAZARD SYMBOLS A Lethal Exhaust Gases 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 NOTE This Owner s Manual has been developed to provide complete instructions for the safe and efficient operation of the STOW PORTO SCREED For engine maintenance information please refer to the engine manufacturers instructions for data relative to its safe operation Before using this Porto Screed ensure that the operating individual has re
16. ad understands and complies with all instructions in this manual 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 You WILL be KILLED or SERIOUSLY INJURED To prevent burns DO NOT touch these areas if you DO NOT follow these directions while the engine is running or immediately after operations NEVER operate the engine with AM heat shields or heat guards removed 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 WARNING or CAUTION You CAN be KILLED or SERIOUSLY INJURED it A Rotating Parts you DO NOT follow these directions 4 NEVER operate equipment with covers guards removed Keep fingers hands hair and clothing away from all moving parts to revent injury You CAN be INJURED if you
17. 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 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 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 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 2 Parts being returned must be listed
18. el daily and change the oil weekly B Clutch A few drops of lightweight oil occasionally squirted between the clutch mechanism cover and the floating cone will help keep the mechanism free of debris and is the only clutch maintenance required C Pillow Block Bearings After every 40 hours of operation remove the belt guard Item B Figure 18 and grease each bearing Item D with quality grade multi purpose grease V BeltTensioning To tension the V Belt Item A Figure 19 perform the following 1 Remove the belt guard Item B 2 Loosenthe four 4 bolts Item C and slide the pillow block Item D away from or toward the engine to tighten or loosen the V Belt until proper tension is achieved NOTE Before retightening the pillow block bolts be sure to align the eccentric assembly Item E perpendicular to the belt Figure 19 V Belt Tensioning Cleaning Clean the machine following each screeding operation before concrete is allowed to dry on the machine This is especially important on the clamping stud threads Keeping the belt guard in place during operation not only provides a measure of safety but also helps to protect the eccentric centrifugal clutch and belt from foreign matter General Check for broken or missing componenst before each use Check all bolts for tightness before each use Tighten if necessary MAINTENANCE SCHEDULE Daily 8 10 Hours 1 Check the oil level in the engine crankcase fill as
19. engine manual for specific servicing instructions provide ample free flow of air ALWAYS wear approved eye and hearing protection before operating the PSH Before Starting 1 Read safety instructions at the beginning of manual 2 Clean the PSH removing dirt and dust particularly the engine cooling air inlet carburetor and air cleaner Figure 8 Engine Oil Dipstick Oil Level Table 3 Oil Type Check the air filter for dirt and dust If air filter is dirty replace OT air filter with a new one as required R ZE 4 Check carburetor for external dirt and dust Clean with dry Summer 25 C or Higher SAE 10W 30 compressed air Spring Fall 25 10 SAE 10W 30 20 5 Check fastening nuts and bolts for tightness Winter 0 C or Lower SAE 10W 10 Engine Oil Check 1 To check the engine oil level place the PSH on secure level ground with the engine stopped 2 Remove the filler dipstick from the engine oil filler hole Figure 7 and wipe clean Figure 7 Engine Oil Dipstick Removal 3 Insertandremove the dipstick without screwing itinto the filler neck Check the oil level shown on the dipstick 4 Ifthe oil level is low Figure 8 fill to the edge of the oil filler hole with the recommended oil type Table 3 Maximum oil capacity is 0 59 quarts 56 liters Fuel Check Motor fuels are highly flammable and can be dangerous if mishandled DO NOT smoke while refueling DO NOT
20. erating instructions are available and accessible to the operator This equipment should not be operated by persons under the minimum statutory age limit NEVER use this machine for any purpose other than those described in this manual NEVER operate the PSH without proper protective clothing shatterproof glasses steel toed boots and other protective devices required by the job Manufacturer does not assume responsibility for any accident due to equipment modifications Unauthorized equipment modification will void all warranties Any modification which could lead to a change in the original characteristics of the machine should be made only by the manufacturer who shall confirm that the machine is in conformity with appropriate safety regulations ALWAYS wear proper respiratory mask hearing and eye protection equipment when operating the PSH E a v NEVER operate this equipment when not feeling well due to fatigue illness or taking medicine NEVER operate the PSH under the influence or drugs or alcohol ALWAYS check the PSH for loosened nuts or bolts before starting NEVER touch the hot exhaust manifold muffler or cylinder Allow these parts to cool before servicing the PSH E High Temperatures Allow the engine to cool before adding fuel or performing service and maintenance functions Contact with hot components can cause serious burns MKA REECE M The engine of this PSH re
21. f 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 workmanship on new Products to the original purchaser as set forth in the STOW New Product Limited Warranty STOW CONSTRUCTION EQUIPMENT POST OFFICE BOX 6254 CARSON CALIFORNIA 90749 310 661 4242 877 BUY STOW FAX 310 604 9237 E MAIL stow stowmfg com www stowmfg com PAGE 26 STOW PORTO SCREED OPERATION amp PARTS MANUAL REV 1 01 20 04 NOTE PAGE STOW PORTO SCREED OPERATION amp PARTS MANUAL REV 1 01 20 04 PAGE 27 OPERATION AND PARTS 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 DE
22. he manufacturer s instructions Any use other than for stated operation is considered contrary to designated use The risk of such use lies entirely with the user The manufacturer cannot be held liable for damages as a result of misuse INTRODUCTION The STOW MODEL PSH PORTO SCREED is designed for vibration screeding concrete Vibration screeding with the STOW Porto screed is the ideal way to strike off and vibrate concrete sidewalks floors patios and even bridge decks The PSH Porto Screed incorporates a variety of features that provide for ease of use Among these are a throttle that allows selection of the appropriate vibration required for proper screeding a free swing handle a handle stop on the frame a centrifugal clutch recoil engine starter and a remote throttle control mounted on the handle within easy reach of the operator Figure 3 STOW Model PSH Porto Screed PAGE 12 STOW PORTO SCREED OPERATION amp PARTS MANUAL REV 1 01 20 04 PORTO SCREED PSH ASSEMBLY ASSEMBLY Whenever assembling lubricating or adjusting any part of the screed make certain the engine is stopped with the spark plug wire disconnected and secured away from contact with the spark plug 1 Handle Assembly Gather all handle parts shown in the illustration below Place them in front of the machine side farthest from the engine See Figure 4 Figure 4 Handle Assembly Slip throttle cable O ring A over the righ
23. nd Conditions of Sale Parts 26 Specifications and part numbers are subject to change without notice PAGE 4 STOW PORTO SCREED OPERATION amp PARTS MANUAL REV 1 01 20 04 PORTO SCREED PSH SPECIFICATIONS PSH Figure 1 PORTO SCREED PSH Dimensions Table 1 PORTO SCREED PSH Trowel Specifications Width Less screeding beams Hand Arm Vibration Sound Pressure A Weighted Eccentric Speed 3000 4500 RPM Engagement Speed 2400 RPM 273 105 1215 3000 RPM 615 Ibs 2737 4500 RPM Maximum Screeding 16 Ft For One machine Path Width 24 in 61 cm Weight 90 Ibs 41 kg Centrifugal Force NOTE 1 Sound pressure is a weighted measure Itis measuredat 2 The vibration level indicated is the maximum RMS Root the operator s ear position while the walk behind PSH is Mean Square value obtained at the handle grip while operating at full throttle on concrete in manner most often operating the walk behind PSH on dry sand in a manner experienced in normaf circumstances Sound pressure most often experienced in normal circumstances Values may vary depending upon the condition of the concrete were obtained from all three axes of motion The values Hearing protection is always recommended shown represent the maximum RMS value from these measurements STOW PORTO SCREED OPERATION amp PARTS MANUAL REV 1 01 20 04 PAGE 5 PORTO SCREED PSH S
24. ping to screeding beams NEVER attempt to liftthe PSH by yourself ALWAYS get the assistance of another person to help lift the PSH Moving the PSH This PSH is light weight however for safety purposes always use two people to lift the PSH up onto a slab of concrete STOW PORTO SCREED OPERATION amp PARTS MANUAL REV 1 01 20 04 PAGE 13 PORTO SCREED PSH BASIC ENGINE Figure 6 Engine Controls and Components INITIAL SERVICING The engine Figure 6 must be checked for proper lubrication and filled with fuel prior to operation Refer to the manufacturer s engine manual for instructions amp details of operation and servicing The engine shown above is a HONDA engine operation for other types of engines may vary somewhat 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 Adding fuel to the tank should be done only when the engine is stopped and has had an opportunity to cool down In the event of a fuel spill DO NOT attempt to start the engine until thefuel 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 operation 4 Recoil Starter pull rope Manual starting method Pull
25. power 5 To begin operation move the throttle lever Item C Figure 18 to the high speed or Full Throttle position quickly to prevent damage from occurring to the clutch The Full Throttle position of this machine has been pre set at the factory DO NOT alter this setting since damage to the eccentric bearings can result and both the engine and machine warranty will be automatically VOIDED Stopping The Engine 1 Move the throttle lever tothe IDLE or SLOW position Item C Figure 15 and run the engine for three minutes at low speed Afterthe engine cools turnthe engine start stop switch to the OFF position Figure 16 PAGE 18 STOW PORTO SCREED OPERATION amp PARTS MANUAL REV 1 01 20 04 PORTO SCREED PSH MAINTENANCE MAINTENANCE See the engine manual supplied with your machine for appropriate engine maintenance schedule and troubleshooting guide for problems ALWAYS allow the engine to cool before servicing NEVER attempt any maintenance work on a hot engine MU Whenever assembling lubricating cleaning or adjusting any part of the screed make certain the engine is stopped with the spark plug wire disconnected and secured away from contact with the spark plug Lubrication A Engine Lubricate the engine refer to the Engine Manual Always check the engine for proper level of engine oil The engine warranty is VOID if run without oil Check the oil lev
26. quires an adequate free flow of cooling air NEVER operate the PSH in any enclosed or narrow area where free flow of the air is restricted If the air flow is restricted it will cause serious damage to the engine and may cause injury to people Remember the engine gives off DEADLY carbon monoxide gas E ALWAYS refuel in a well ventilated area away from sparks and open flames MNEVER operate the PSH in an explosive 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 NEVER smoke around or near the machine Fire or explosion could result from fuel vapors or if fuel is spilled on a hot engine Topping off to filler port is dangerous as it tends to spill fuel ALWAYS close the fuel shut off valve before refueling E NEVER use engine fuel as a cleaning agent STOW PORTO SCREED OPERATION amp PARTS MANUAL REV 1 01 20 04 PAGE 9 PORTO SCREED PSH RULES FOR SAFE OPERATION Whenever necessary replace nameplate operation and safety decals when they become difficult read NEVER Run engine without air filter Severe engine damage may occur Service air filter frequently to prevent carburetor malfunction AVOID wearing jewelry or loose fitting clothing that may snag on the controls or moving part
27. s as this can cause a Serious injury ALWAYS keep clear of rotating or moving parts while operating the PSH Moving Parts Shut down the engine before performing service or maintenance functions Contact with moving parts can cause serious injury ALWAYS clear the work area around the screed of debris and obstructions to prevent tripping and or falling onto the screed NEVER leave the machine unattended while running even for a brief moment DO NOT leave the screed until it comes to acomplete stop 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 ALWAYS use factory authorized parts for replacement Refer to the HONDA Engine Owner s Manual for engine technical questions or information recommended by the manufacturer for this equipment Damage to the equipment and or injury to user may result II No one other than the operator is to be in the working area when the porto screed is in operation Always observe all applicable compulsory regulations relevant to environmental protection especially fuel storage the handling of hazardous substances and the wearing of protective clothing and equipment Instruct the user as necessary or as the user request this information and training Transporting ALWAYS shutdown engine before transporting Mi Tighten fuel tank cap securely and close fuel cock to prevent
28. se decals are provided for operator safety and maintenance information Should any of these decals become unreadable replacements can be obtained from your dealer STOW Porto Screed STOW P N 20109 001 ANWARNING KEEP GUARDS IN PLACE P N 21302 P N 20525 P N 21571 P N 36099 ISO Blue To avoid injury you MUST read and understand operator s manual before using this machine This machine to be operated by qualified personnel only Ask for training as needed P N 35137 MODEL SERIAL NO CONTACT SERVICE DEPARTMENT P N 13118 4 CAUTION READ THE OPERATING MANUAL BEFORE OPERATING THIS MACHINE KEEP ALL UNAUTHORIZED AND UNTRAINED PEOPLE AWAY FROM THIS MACHINE AT ALL TIMES ALWAYS DISCONNECT ENGINE SPARK PLUG WHEN CLEANING LUBRICATING OR ADJUSTING THIS MACHINE NEVER LEAVE MACHINE RUNNING UNATTENDED STOP THE ENGINE WHENEVER LEAVING THIS MACHINE FAILURE TO COMPLY COULD RESULT IN SERIOUS INJURY P N 25263 001 A BELT DRIVE B CHECK gt COUNTER CLOCKWISE LUBRICATION LUBRICATION DECAL SHEET INTL STDS ISO P N 11246 Figure 2 PORTO SCREED PSH Decals STOW PORTO SCREED OPERATION amp PARTS MANUAL REV 1 01 20 04 PAGE 11 PORTO SCREED PSH INTRODUCTION INTENDED USE Operate the PSH Porto Screed and components in accordance with t
29. t handle rod B Slide the handle bar C over the handle rods Ensure the side with the two holes are to the right 4 Fasten the handle bar to the left handle rod D using bolt and nut E and F Fasten handle bar with throttle control lever to the right handle rod Fasten the throttle control lever G to the handle bar with pan head screws H 5 Insert the flanged spacer I into the holes located in the flattened portions of the handle rods making sure the flanged end of both spacers are toward the outside 6 Insert bolts J through the handle rods and the main frame K Install the lockwasher and nut L and M to both bolts 7 Connect throttle wire N to the engine Follow instructions in the engine manual for proper attachment CONTROLS AND COMPONENTS Figure 5 Controls and Components Figures 5 shows the location of the basic controls or components for the PORTO SCREED PSH Listed below is a brief explanation of each control or component 1 Throttle Control Lever Controls the speed of the engine Move the hand lever towards the operator to increase engine speed high away from the operator to decrease engine speed low 2 Handle Bar When operating the PSH place both hands on the bar to maneuver the PSH 3 Engine This PSH uses a Honda GX120 4 H P gasoline engine See following sections on engine components and engine operation 4 Frame Supports engine and handle assemblies allows clam
30. te with a loose V belt cover or component N n wb _ A WS NN FUEL VALVE Y me 3 7v THROTTLE LEVER 4 m AR wre t ee OWEJ 15 foe us Figure 17 Fuel Valve Lever OFF Position Figure 15 Throttle Lever Run Position STOW PORTO SCREED OPERATION amp PARTS MANUAL REV 1 01 20 04 PAGE 17 PORTO SCREED PSH OPERATION OPERATION 4 Start the engine as previously described Refer to the 1 Place the machine on the screeding beams Items B Figure 18 and install the clamping studs Items A Do not over tighten the clamping studs Check the clamping studs periodically during operation and retighten them if they loosen For beam lengths up to 14 ft 4 2 meters 2x4 wooden or lightweight beams are recommended For longer lengths up to 20 ft 6 meters 2x6 beams should be used Figure 18 Screeding Beams 2 Position the screed on the forms with the eccentric facing the desired direction of travel 3 Pour the concrete into the forms to a height just above the bottom edge of the sceeding beams and at least 10 ft ahead of the unit Engine Manual Starting Instructions for complete starting instructions of the engine Allow the engine to warm up 1 2 minutes before operating The throttle lever should be set to permit the engine to warm up WITHOUT engaging the centrifugal clutch and causing the machine to vibrate and move forward under its own
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