1XP Manual - Cat Pumps
Contents
1. Do not lift pump with unsuitable lifting devices Use of unsuitable lifting devices may cause pump to fall resulting in personal injury damage to pump and or pump with drive base plate 1 Lifting eyes installed on the pump must be used only to lift the pump 2 Special lifting eyes should be installed on the base for lifting the pumping system i e base drive and accessories 3 If slings or chains are used for lifting they must be safely and securely attached to properly balance the weight of the unit 4 Inspect slings and chains prior to use and replace worn and damaged slings and chains A ROTATION OF PUMP HAZARD Do not rotate pump crankshaft in reverse direction Rotation of pump crankshaft in reverse direction may not provide proper lubrication and may result in damage to the drive end components 1 Forward rotation is the top of the crankshaft turning towards the manifold head of the pump 2 Ensure oil is filled to the center red dot on sight gauge for forward rotation 3 Ensure oil is filled to slightly above center red dot on sight gauge for reverse rotation B BELT TENSION HAZARD Do not operate pump with excessive belt tension Excessive belt tension may damage the pumps bearings or reduce horsepower 1 Rotate pump crankshaft before starting to ensure shaft and bearings are moving freely 2 Ensure pulleys are properly sized 3 Periodically replace belts to assure full horsepower transmission 4 Ensure center di2. The Pumps with Nine Lives 1XP Series Plunger Pump Installation Operational and Repair Manual A 1XP150 A M A E e e gt Coe rg y D P o Bu ey i x ae sc j Beet 2 KS 3 LK R ne E ei k y HS f _ Product Quality Reliability and Support You Expect www catpumps com Introduction Safety This manual is intended to assist in installing pump and motor unit startup and shutdown unit troubleshoot disassembly and reassembly of pump An exploded view and parts list have also been IMPORTANT SAFETY INSTRUCTIONS provided to assist in identifying individual components along with It is the responsibility of the user to read and understand all a torque chart instructions important safeguards and safety precautions before operating or servicing any pump Failure to do so may Table of Contents result in property damage personal injury or death GENERAL SAFETY INFORMATION AND Introduction 2 SYMBOLS Safety Pay special attention to the following signal words safety Important safety instructions 2 alert symbols and statements General safety information and symbols 2 Safety Hazards 3 5 A DANGER ndicates a hazardous situation which Pump Models and Pump Motor Assemblies 6 if not avoided will result in death or Technical Features 6 serious injury e flow pressure rpm Hp A WARNING Indicates a hazardous situation which Pump and motor installation 6 7 if not avoided could res
3. Always use safety guards on all belt drives couplings and shafts C HOT SURFACE HAZARD Do not touch pump accessories or drive system while operating and until cool down is complete Touching hot surface areas of the pump accessories or drive system can cause severe burns or personal injury D SKIN PUNCTURE HAZARD Do not allow spray to contact any part of the body or animals Pumped liquids under high pressure can pierce skin and underlying tissue or can deflect debris leading to serious personal injury or death 1 Relieve all line pressure in the inlet line to the pump and discharge line from the pump before performing any maintenance on the pump 2 When high pressure gun is not in use set safety trigger lock safety latch to avoid accidental high pressure operation and personal injury or property damage 3 Do not check for leaks with hand Use a piece of cardboard to check for leaks 4 Review cleaning procedures to minimize heavy back blasting 5 Wear adequate safety equipment and clothing when operating high pressure sprayer Never use high pressure spray with bare feet or exposed skin and always wear safety glasses E PUMPING LIQUIDS HAZARD Do not operate pump with hot water chemicals or other hazardous liquids unless extraordinary safety precautions are observed Pumping hot water chemicals or other hazardous liquids can expose personnel to serious injury 1 Provide guards or shields around equipment to protect
4. chart covers the AC motor and pump assemblies with 1 3 1 2 and 3 4 HP motor options Column three of the chart covers DC motor and pump assemblies with only a 1 3 HP motor option Pump Model 1XP050 1XP075 1XP085 1XP100 1XP125 1XP150 1XP200 Technical Features There are seven 7 cams available for the 1XP Series Pumps Each cam is numbered from 1 to 7 with the smallest number 1 indicating the lowest flow starting at 0 50 gpm up to the largest number 7 indicating 2 00 gpm If a label has been removed or destroyed simply remove bearing cover and check stamped number on cam Use chart to verify which stamped number applies to your model of pump Each pump model number also helps identify the flow of your pump See chart below Pump Model 1XP050 1XP075 1XP085 1XP100 1XP125 1XP150 1XP200 1 NI oO mM ATIT UUJ N Cam ID number Pump Motor Assy AC 1XP050 031 1XP050 051 1XP075 031 1XP075 051 1XP085 031 1XP085 051 1XP100 031 1XP100 051 1XP125 031 1XP125 051 1XP150 031 1XP150 051 1XP150 071 1XP200 031 1XP200 051 1XP200 071 Stamped Cam ID number See Chart Pump and Motor Installation Due to the variety and uniqueness of each extractor machine that is available there are multiple ways of installing the 1XP motorized pump unit Please read and follow existing extractor operational manual when removing pump and motor from machine Follow all safety instructions Use the following steps to pro
5. explosive liquids that are compatible with pump component materials SS Do not operate pump with flammable or explosive liquids without safeguards or safety systems to detect leaks elevated temperatures spark prevention or any other hazards defined by the NFPA systems UI Do not remove Flammable Liquids Product Suitability Hang Tag to assure proper safety 6 Follow ATEX guidelines for potentially explosive atmospheres A WARNING A ELECTRICAL SHOCK HAZARD Do not service pump or electrical equipment while energized Electricity can cause personal injury death or property damage 1 Adhere to Lock Out and Tag Out procedures for electrical equipment 2 Before commencing pump service turn power supply off 3 Keep water away from electrical outlets and electrical devices 4 Electrical components must be installed by a qualified electrician to avoid risk of electrocution B ROTATING PARTS HAZARD Do not service pump while energized Moving rotating or reciprocating parts can crush and cut causing personal injury death or property damage 1 Adhere to Lock Out and Tag Out procedures for electrical equipment 2 Before commencing pump service turn power supply off turn water supply off squeeze trigger on gun to relieve system pressure 3 For mobile equipment be sure engines and hydraulics are turned off and secured to avoid accidental start 4 Do not operate with safety guards removed 5
6. personnel 2 Wear mask goggles or eye protection while operating high pressure equipment 3 Obtain a material safety data sheet MSDS and take appropriate safety measures for the liquid being handled F OVER PRESSURIZATION HAZARD Do not operate high pressure pumping system unless extraordinary safety precautions are observed Ahigh pressure pumping system can deadhead or over pressurize causing serious personal injury and property damage 1 All high pressure systems require a primary pressure regulating device i e regulator or unloader and a secondary pressure Safety relief device i e pop off valve safety valve rupture disc to assure proper pressure setting and overpressure protection 2 All high pressure systems require a pressure gauge to monitor pressure settings and avoid overpressure of equipment or personal harm Install primary pressure relief device on the discharge side of the pump Install secondary pressure relief device between the primary device and pump Install pressure gauge onto the discharge manifold or in the discharge line near the manifold Onn SS LA Open all valves on discharge side of plumbing before operation A WARNING Continued A CAUTION G OXYGEN HAZARD Do not charge Prrrrr O Lators Pulsation Dampeners with oxygen Oxygen may cause an explosion causing personal injury death or property damage 1 Use nitrogen only when charging pulsation dampeners DO NOT USE OXYGEN 2 U
7. sealants to assure secure fit or easy disassembly when servicing B FROZEN LIQUID HAZARD Do not operate the pump with frozen liquid Operating the pump under this condition could over pressurize and jettison the manifold from the crankcase causing personal injury and property damage 1 Store pump or pumping system in an environmentally controlled room protected from freezing temperatures 2 Follow procedures in TECH BULLETIN 083 to winterize pump C CLEANING PUMP HAZARD Do not use solvents that are flammable and toxic to clean or degrease equipment Use of these solvents could result in personal injury and property damage 1 Follow safety instructions as found in MSDS or on packaging of each liquid 2 Clean equipment in a well ventilated area 3 Disposal of solvents to be in accordance with local state and federal regulations D OPERATING BEYOND SPECIFICATIONS HAZARD Do not operate the pump outside the specifications of individual pump data sheet or service manual Operating the pump under these conditions could result in personal injury and property damage 1 Do not operate the pump faster than the maximum recommended RPM 2 Do not operate the pump at pressures higher than the maximum recommended pressure 3 Do not operate the pump at temperatures higher than the maximum recommended temperatures 4 Do not use accessories that are not compatible or rated for the pump A CAUTION Continued E LIFTING DEVICE HAZARD
8. bleshooting table has been provided to assist in defining problems that may arise then giving probable causes to look for and finally providing possible solutions to the problem at hand Problem Probable Causes Solutions Worn nozzle Replace with proper size nozzle Low pressure Install new seal kit Increase frequency of service Worn seals Air leak in inlet plumbing Tighten fittings and hoses Use PTFE liquid or tape Worn or dirty inlet discharge valve Clean inlet discharge valves or install new valve kit Install new seal kit Increase frequency of service Water leak at head cover Worn or pinched o ring on head cover Install new seal kit Increase frequency of service Water leak at bearing cover Worn or pinched o ring on bearing cover Premature seal failure Running dry scored Replace seals plungers abrasives contamination Scored plunger Abrasives contamination Replace plunger Motor stalls or will not start Brushes worn Replace with Brush Repair Kit Exploded View Item Part No Number Material Description Qty Item Part No Number Material Description 1 76801 Crankcase 1 15 31592 O ring Head Gasket 70D 2 2 8133 Motor 1 3 HP AC 1 16 31577 Nut M6 2 8135 Motor 1 2 HP AC 1 17 31584 Washer Conical M6 2 3 31527 Plug 1 8 27NPT 1 20 76226 Valve Inlet 2 4 76928 STZP Screw Button Head M6 X 75 4 21 45429 Plunger M18 X 16 2 6 31552 O ring Beari
9. ervice pump or electical equipment while energized Electricity can cause personal injury death or property damage 1 Adhere to Lock Out and Tag Out procedures for electrical equipment 2 Before commencing pump service turn power supply off 3 Keep water away from electrical outlets and electrical devices 4 Electrical components must be installed by a qualified electrician to avoid risk of electrocution Tools Required 1 4mm M4 Allen Wrench 2 5mm M5 Allen Wrench 3 Pick 4 10mm Open Wrench 5 13mm Open Wrench 6 Flathead Screwdriver 2 NOTE Numbers in refer to item numbers in exploded view 5 1 Disconnect plumbing and wiring to 5 2 Usea 13mm wrench to remove brass 5 3 Use a 4mm allen wrench to seperate motor Remove pump and motor drain plug 3 from pump crankcase 1 pump 1 from motor 2 by removing assembly from machine to drain water four 4 M6x75 button head screws 4 from bearing cover 5 5 4 Use a screwdriver to remove retaining 5 5 Remove and inspect cam 8 from 5 6 Remove and inspect woodruff key 9 ring 7 from motor shaft motor shaft from keyway of motor shaft 10 5 7 Remove and inspect shaft seal 10 from 5 8 Use a pick tool to remove slinger o ring 5 9 Use a 5mm allen wrench to remove five motor flange Do not scratch or damage 11 from motor flange 5 M6x30 screws 13 holding head cover motor shaft surface See Note 14 to crankcase body NOTE If s
10. etaining clip and end cover and pry upwards to provide small separation between cover and motor housing 7 2 Using same screwdriver remove white retaining clip 7 3 Remove wire lead from small opening in motor housing 74 Blow out dust that may accumulate in opening of motor 7 5 Repeat steps 7 1 to 7 4 to remove second wire lead REASSEMBLY 76 Position wire lead into opening of motor with brush and attaching spring down into opening with brass end facing up 7 7 Place white retaining clip over wire lead and snap into place 7 8 Using a soft mallet tap end of cover into place 79 Repeat steps 7 6 to 7 8 to reassemble second wire lead Restarting system If the extractor unit has been shut down for any length of time the following steps should be used as a guideline to ensure the proper restarting and resetting of the pump 9 1 Turn regulator unloader setting to lowest pressure point 9 2 Reconnect the liquid supply line discharge line and allow liquid to flow through pump for 2 3 minutes 9 3 Check for leaks at all plumbing connections 9 4 Gradually reset regulator unloader in small increments to desired system pressure and resume operation 9 5 Follow your established maintenance cycle or the standard 8 7 Shut the unit off and disconnect the hose from the pump inlet 8 8 Store unit do not install plugs in the inlet and discharge ports Preventative Maintenance checklist in this manual Torq
11. haft seal cannot be removed it may require removing motor end cover See Tech Bulletin 117 5 10 Insert the short end of an allen wrench 5 11 Pivot 5M allen wrench against top 5 12 Separate and inspect retainer 27 to remove discharge valve assembly of spring retainer and push valve spring 26 valve 25 seat 24 and assembly out o ring 23 NOTE Inlet valve discharge valve high pressure seal and plunger are identical in both cylinder heads 5 13 Remove and inspect nut 16 washer 5 14 Remove and inspect ceramic plunger 5 15 Remove and inspect connecting rod 17 spacer 19 spring 18 and inlet 21 and high pressure seal 22 from plunger rod and wrist pin assembly valve 20 crankcase body 1 11 Pump Reassembly 6 1 Lubricate and install slinger o ring 11 6 2 Lubricate and install shaft seal 10 6 3 Lubricate and install o ring 12 onto onto motor flange by sliding over motor onto motor flange with spring of seal motor flange shaft Center between shaft seal bore facing pump and back of the slinger seal bore 6 4 Lubricate and install woodruff key 9 6 5 Lubricate and install cam 8 over 6 6 Install retaining ring 7 into snap into motor shaft keyway motor shaft and key Position cam 8 ring groove on motor shaft to secure so stamped cam ID number is facing cam 8 pump Eliminates Interference 6 8 Install plunger rod connecting rod 6 9 Protruding cast face of connecting rods assembl
12. ng Cover 70D 1 23 35426 O ring Valve Seat 90D 2 7 76701 es Ring External Retaining 1 24 76576 pn Seat Discharge Valve 01 14 2 8 76520 050 SFSS 1 Cam 0 50 gpm 1750 rpm 1 25 76206 Valve Discharge 2 76520 075 SESS 2 Cam 0 75 gpm 1750 rpm 1 26 76865 Spring Valve 06 13 2 76520 085 SFSS 3 Cam 0 85 gpm 1750 rpm 1 27 76069 PVDF 2 ch PM S 76520 100 SFSS 4 Cam 1 00 gpm 1750 rpm 76520 125 SFSS 5 Cam 1 25 gpm 1750 rpm SFSS O SSS PM 28 76555 AL Assembly Plunger Connecting Rod Includes plunger rod connecting rod amp wrist pin 76520 150 6 Cam 1 50 gpm 1750 rpm 59 76227 NY Kit inlet Valve 1 76520 200 SFSS 7 Cam 2 00 gpm 1750 rom Includes items 16 17 18 19 20 9 76025 SFSS Key Woodruff 405 30 76218 Assembly Valve 1 76133 Seal Shaft Includes items 23 24 25 26 27 M 31596 FPM 31 76219 FPM Kit Seal and O ring 1 Includes items 6 10 11 12 15 22 CH ech wesch wech ch O ring Slinger 70D 12 31552 F O Ring Motor Flange 1 FM z 32 76127 Ma Kit Brush Replacement 8136 1 13 76909 STZP Screw HSH M6 X 30 01 14 10 AL Aluminum BB Brass CC Ceramic D Acetal FPM Fluorocarbon NY Nylon PVDF Polyvinylidene Fluoride S 304 Stainless Steel SFSS 17 4 Stainless Steel 14 76420 2 SNG Special Blend Buna Ge Steel Zinc Plated xx xx Date ofl ates Production Change Pump Disassembly Do not s
13. perly wire and plumb the new 1XP series pumps 1 1 Position assembled pump and motor AC or DC into extractor machine 1 2 Secure assembled unit to extractor base using hole pattern of motor Pump Motor Assy DC 1XP050 03DC 1XP075 03DC 1XP085 03DC 1XP100 03DC 1XP125 03DC 1XP150 03DC 1XP200 03DC Electrical power connection HS IS Ndoa Nid YILIN SHOLOW ALTVIO3dS ONY 34Y9 8007 Power Cord Connection 1 3 Connect to power source for AC 1 4 Connect to power source for DC induction motors 8133 8135 and 8137 permanent magnet motor 8136 115 208 230VAC 120 Volt rectified Plumbing connection NOTE Standard pump to motor mounting is shown in figure 1 5 inlet port facing out Figures 1 6 1 7 and 1 8 are optional ways of mounting pump to motor Inlet Port 1 5 Install inlet water hose to center 3 8 1 6 Pump inlet port facing motor NPT port on pump labeled INLET 1 7 Pump inlet port rotated 90 counter clockwise in a vertical position Discharge Ports 1 8 Pump inlet port rotated 90 clockwise 1 9 Install discharge accessories or water in a vertical position hoses to two 2 3 8 NPT ports labeled OUT Preliminary Inspection After inlet hose discharge hose and or accessories have been installed to ports of pump crankcase follow the preliminary steps as outlined below prior to startup 2 1 Ensure all hoses and fittings are tight 2 2 Ensure water is supplied to the
14. pump before starting 2 3 Ensure regulating device is set or backed off to the lowest setting 2 4 Ensure there is power to the motor 2 5 Ensure there is water in supply tank of extractor machine Start Up Instructions The 1XP pump requires a gravity fed inlet and can be used on pressurized inlets up to 40 psi Do not starve the pump or run the pump dry Note AMP draw will be elevated during 1st hour of operation After 1 0 hour AMP draw will drop by 10 Follow the steps as outlined to ensure properly operation 3 1 Turn on water supply to the pump 3 2 Turn on power to pump 3 3 Open discharge to atmosphere to purge air from system 3 4 Adjust regulating device to desired pressure Shut Down Instructions To stop the pump in an emergency turn off power to pump and relieve all line pressures by triggering gun handle Under normal conditions follow the steps as outlined below 4 1 Turn off power to pump 4 2 Turn off water supply to pump 4 3 Squeeze and hold trigger gun to relieve discharge line pressure Preventative Maintenance Periodic maintenance and adjustment i Check Daily is necessary to keep the pump in good Weekly 600 Hours 1000 Hours operating condition Perform the service Water leaks a a ae and inspection scheduled in the table Plumbing a s Use only genuine Cat Pumps parts or kits when performing repairs seal change a ae i Inlet valve change Troubleshooting The trou
15. se proper charging tools to charge pulsation dampeners 3 Charge pulsation dampener within specifications stated on data sheet to assure proper pulsation dampening and prevent failure of bladder H FALL HAZARD Do not operate pressure washer while standing on slippery or unstable surface unless extraordinary safety precautions are observed Pressure washing may create slippery surface on which a person may slip and fall causing personal injury or death 1 Wear suitable footwear to maintain a good grip on wet surfaces 2 Do not stand on ladders or scaffolding 3 Do not over reach or stand on unstable supports 4 Keep good footing and balance and hold gun with both hands to control kick back A IMPROPER USE OF FITTINGS HAZARD Do not operate the pump with improperly connected sized worn or loose fittings pipes or hoses Operating the pump under these conditions could result in personal injury and property damage ch Ensure all fittings pipes and hoses are properly rated for the maximum pressure rating and flow of the pump Check all fittings and pipes for cracks or damaged threads Check all hoses for cuts wear leaks kinks or collapse before each use Ensure all connections are tight and secure Mm A W N Use PTFE thread tape or pipe thread sealant sparingly to reconnect plumbing Do not wrap tape beyond the last thread this will prevent tape from becoming lodged in the pump or accessories 6 Apply proper
16. stance dimensions between pulleys is correct C BY PASS OPERATION HAZARD Do not operate the pump in by pass for extended lengths of time Operating the pump under this condition can quickly cause heat build up resulting in damage to the pump 1 Route by pass line to supply reservoir to dissipate heated by pass liquid into a large reservoir of cool water to reduce excessive temperature build up 2 Route by pass line to inlet of pump using a thermo valve in the by pass line or auto shut off assembly that will sense temperature rise and either by pass or shut down system before damage occurs D DRY OPERATION HAZARD Do not operate the pump without water or liquid Operating pump under these conditions could result in damage to the pump 1 Open all valves on inlet side of pump before starting operation to prevent starving the pump 2 Do not exceed inlet suction pressure limit specified in pump Data Sheet 3 Ensure inlet feed exceeds the maximum flow being delivered by the pump 4 Ensure all fittings pipes and hoses are properly sized for the pump to avoid restricted flow 5 Review and implement all other recommendations appropriate for your system from the Inlet Condition Check List Pump Models and Pump Motor Assemblies The 1XP series pumps are being offered as pump only or as a motorized pump assembly Column one of the chart covers the pump only with flow ranges from 0 5 gpm 1XP050 to 2 0 gpm 1XP200 Column two of the
17. surface 6 22 Lubricate and install o ring 15 into head cover Repeat for other cylinder head 6 23 Position head cover 14 onto crankcase body 1 and hand thread in five 5 M6x30 screws 13 6 24 Use a 5mm allen wrench to torque to 102 in lbs in sequence as shown 6 25 With bearing cover 5 removed position crankcase body 1 onto motor while lining up the connecting rods 28 with the cam 8 14 6 26 Hand thread four 4 M6x75 button head screws 4 Use a 4mm allen wrench to torque to 48 in lbs in sequence as shown Note Lubricate o ring on bearing cover prior to installing 6 27 Use 13mm wrench to install drain plug 3 into bottom port of crankcase body 1 DC Motor 8136 Brush Replacement E rh kg h n x ech A rh Ni X313 934 Stopping for Long Periods If the extractor unit will not be operated for a long period of time or needs to be placed in storage please follow these steps to protect the pump 8 1 Flush pump with fresh water 8 2 Turn off power supply 8 3 Squeeze trigger gun to relieve discharge line pressure 8 4 Disconnect inlet and discharge plumbing 8 5 Connect a short 4 foot hose to the pump inlet and place the other end of the hose in a container with 50 water and 50 antifreeze 8 6 Start the unit and run until the antifreeze flows out the discharge of the pump DISASSEMBLY 7 1 Place flat tip of screwdriver between the top of the white r
18. ue Specifications and Repair Tools Torque valves in lbs and sequences are referenced in each section as it applies This chart provides the same values but also expands to ft lbs and Nm as well as supplies thread sizes and tools required Thread M6 Bearing cover screws front Tool Size M4 Allen Torque ft Ibs N m 4 00 in Ibs 48 Head cover M6 M5 Allen 11 05 screws side Inlet valve nut M6 M10 Hex 25 2 08 2 70 Drain plug 1 8 27 NPT M13 Hex Water tight seal CAT PUMPS 1681 94TH LANE N E MINNEAPOLIS MN 55449 4324 fr La Yi PHONE 763 780 5440 FAX 763 780 2958 RAF Ez e mail techsupport catpumps com The Pumps with Nine Lives www catpumps com For International Inquiries go to www catpumps com and navigate to the Contact Us link PN 993456 Rev D 1 14
19. ult in death or Electrical Power Connection and Plumbing Connection serious injury Preliminary inspection 8 A CAUTION Indicates a hazardous situation which Start up instructions 8 if not avoided could result in minor or moderate injury or property damage Shut down instructions 8 Dette e NOTICE Indicates a hazardous situation which if not avoided could result in property Troubleshooting 8 damage i e problem cause solution A __ Indicates a potential personal injury Ai hazard Obey all safety messages that Parts list 9 follow this symbol to avoid possible Pump disassembly 10 11 injury or death Pump reassembly 12 14 DC Motor 8136 brush replacement 15 Stopping for long periods 15 i e long term and or winterization Restarting system 15 Torque specifications and repair tools 15 Safety Hazards A DANGER A FLAMMABLE OR EXPLOSIVE LIQUID HAZARD Do not operate pump with flammable or explosive liquids unless extraordinary safety precautions are observed Leaks of flammable or explosive liquids if exposed to elevated temperatures static electricity sparks or other hazards will result in flame or possible explosion causing serious personal injury death or property damage 1 Before operating pump with flammable or explosive liquids ensure proper maintenance has been performed NO Do not operate pump with flammable or explosive liquids if leaks are detected LA Only pump flammable or
20. y through large opening in should face away from each other inside crankcase body 1 crankcase 1 6 7 Lubricate and install o ring 6 onto bearing cover 5 NOTICE Be careful not to damage the bushing ID in the case as the plunger rod thread passes through the bushing 12 6 10 Install ceramic plunger 21 with larger 6 11 Lightly lubricate and install high 6 12 Install inlet valve 20 with flat side ID over plunger rod threads Ceramic pressure Seal 22 with metal backing down onto plunger 21 plunger can only be installed one way facing down over ceramic plunger 21 6 13 Install spacer 19 small diameter down 6 14 Install spring 18 over spacer 19 and 6 15 Install washer 17 with curved surface into inlet valve 20 on to inlet valve 20 down on to spring 18 6 16 Apply Loctite 242 to M6 threads on 6 17 Assemble the discharge valve as follows 6 18 Place valve 25 cupped side over the plunger rod Thread nut 16 onto M6 Insert spring 26 into retainer 27 spring 26 threads of plunger rod and torque to 25 in lbs Loctite and 242 are registered trademarks of the Henkle Corporation 13 6 19 Place tapered side of seat 24 towards retainer 27 and snap into place 6 20 Lubricate and install o ring 23 to seat 24 Repeat for second valve assembly 6 21 Press discharge valve assembly 30 into top hole with retainer facing into crankcase body 1 until flush with cylinder head
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