Graco Presiden 237 Instructions-Parts List Manual Download Page 1 | Manualshive

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Summary of Contents for Presiden 237

Page 1: ...o pump lubricating fluids only Table of Contents Warnings 2 Operation 8 Installation 5 Troubleshooting Guide 9 Air Motor and Throat Service 10 Air Motor Parts Drawing 14 Displacement Pump Service 13 A...

Page 2: ...ure stated on the equipment or in theTechnicalData section of the instruction manual for your equipment Do not exceed the maximum working pressure of the lowest rated component in your system 0 Use fl...

Page 3: ...Relief Procedure on page8 if the dispensing valve clogs and before cleaning checking or servicing the equipment Tighten all fluid connections before operating the equipment D Check the hoses tubes and...

Page 4: ...area 0 Before operating this equipment extinguish all open flames or pilot lights in the dispensing area Do not smoke inthe dispensing area 0 Do not turn on or off any light switchinthe dispensing are...

Page 5: ...valve required B Airline filter C Air regulatorandgauge D Pumprunawayvalve shownfor position notneededifyou use a low levelcut oflvalve E Air Inlet H Fluiddrainvalve required 0 Pump Model237 526shown...

Page 6: ...be sufficient The thermal relief kit K relieves pressure in the fluid linecaused by heat expansion Install the following accessories in the order shown in Fig 1 0 Install an air line lubricator N for...

Page 7: ...ctive hoses 0 Air compressor Followmanufacturer s recommendations 0 Nuidsupp y container Accordingto local code Tomaintain grounding continuiiy when flushing or valve firmiyto the side ofa grounded me...

Page 8: ...ine component or accessory is overpressurized 1 With the air regulator C closed open the bleed type master air valves A or if so equipped join the quick disconnect coupler M to the male fitting L 2 Op...

Page 9: ...s Open clean etc Damaged air motor Service air motor Exhausted fluid supply Refill and reprirne or flush Wom or damaged air motor gas Service air motor ket packing seal etc IErratic pump operation Exh...

Page 10: ...motor base 28 SeeFig 3 4 Remove the pistonhalve seat 109 from the rod 29 with wrenches or with the vice and a wrench 5 Removethepistonball 103 u cuppacking 107t and piston washer 113 6 Remove the air...

Page 11: ...es when they snap assemblies with your otherhandso as to catch the out of the lugs Place the lip of a screwdriver into the piston between the piston lugs L below the pivot pins 16 on the toggles pry u...

Page 12: ...alve poppets 32 untilone thread of the inlet valve poppets is exposed above the valve nuts 6 Install the toggle pins 15 in the yoke 13 place the toggle arm 23 ends of thetoggle assembly 16 ends of the...

Page 13: ...isassembly 1 Follow the Pressure Relief Procedure on NOTE Displacement Pump Repair Kit 237 602 page 8 includesrepairpartsforthepumpthroatand 2 Followsteps 1through 6 of Disassembly onpage 1 2 piston U...

Page 14: ...Air Motor Parts Drawing Model 237 564 Series A 108t 1 1 o A 105t 112 104 j 111 14 308 485...

Page 15: ...rip CLIP valvebarsmina PIN toggle PIN pivot GROMMET inlet valve PACKING ring seal PACKING o nng Qtu 8 1 1 2 1 2 1 2 1 2 1 2 2 2 1 1 Ref No Pari No 20 158 379 21 160 261 2 2 160 618 23 160 623 24 190 9...

Page 16: ...001 BALL sst l05t 110 828 PACKING o ring lO8t 166071 PACKING o ring 107t 112 565 PACKING UCUP QtY 1 1 1 1 1 1 1 Ref No Part No Description Qty 109 189 707 PISTON SEAT valve 110 189 708 CYLINDER pump...

Page 17: ......

Page 18: ...Dimensions MODEL237 564 Air Motor SeriesA MOOEL 237 526 Pump SerlesA 18 308 485...

Page 19: ...mended range Pumpcyclespergallon perliter 28 7 4 Maximum recommended pump speed 66 cycledmin 2 5 gpm 9 56 litehin Recommended speed for optimum pumplife 15 to 25 cycles per mln Pistonseals polyurethan...

Page 20: ...uipment does not disclose any defect inmaterial or workmanship repairs will be made at a reasonable charge which charges may include the costs of parts laborand transportation DISCLAIMERS AND LIMITATI...

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