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Triplex Ceramic
Plunger Pump
Operating Instructions/
Repair and Service
Manual
Model
GP7132 & GP7136
Contents:
Installation Instructions: page 2
Pump Specifications GP7132: page 3
Exploded View: page 4
Parts List/Kits page 5
Pump Specifications GP7136: page 6
Repair and Service: pages 7-9
Torque Specs: page 9
Trouble Shooting Chart: page 10
Recommended Spare
Parts List: page 10
Dimensions: page 11
Warranty Information: back page
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INSTALLATION INSTRUCTIONS Installation of the Giant Industries, Inc., pump reduce system pulsation. Dampeners can also is not a complicated procedure, but there are reduce the severity of pressure spikes that occur some basic steps common to all pumps. The in systems using a shut-off gun. A dampener following information is to be considered as a must be positioned downstream from the un- general outline for installation. If you have loader. unique requirements, please contact Giant Industrie
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Specifications Model GP7132 Volume ........................................................................................................ Up to 23.4 GPM Discharge Pressure .................................................................................... Up to 4350 PSI Speed .......................................................................................................... Up to 750 RPM Inlet Pressure.....................................................................................
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Exploded View - GP7132 and GP7136 Pumps 4
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GP7132 and GP7136 PARTS LIST ITEM PART DESCRIPTION QTY. ITEM PART DESCRIPTION QTY. 1 07600 Crankcase 1 36D 07665 Copper Ring 3 2 13000 Oil Filler Plug Assembly 1 38 06093 Seal Case 3 4 07601 Crankcase Cover 1 38A 13141 O-Ring, Seal Case 6 5 07602 Seal for Cover 1 38B 13142 Support Ring 6 8 07603 Oil Dip Stick 1 39 06094 Seal Sleeve, GP7132 3 9 01009 O-Ring, Dip Stick 1 39 06794 Seal Sleeve, GP7136 3 10 13133 Hexagon Screw 12 39A 13360 Grooved Ring, GP7132 3 11 06725 Spring Washer 12 39A 13291 Gr
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Specifications Model GP7136 Volume ........................................................................................................ Up to 28.3 GPM Discharge Pressure .................................................................................... Up to 3625 PSI Speed .......................................................................................................... Up to 750 RPM Inlet Pressure.....................................................................................
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GP7132 AND GP7136 REPAIR INSTRUCTIONS NOTE: Always take time to lubricate all metal and non-metal parts with a light film of oil before reassembling. This step will help ensure proper fit, at the same time protecting the pump non-metal parts (elastomers) from cutting and scoring. 1. Lossen screws (58C), take 2. Take out complete valve 3. Valve seats (51C and 52C) plugs (58) out of valve cas- (51) using either tool (part are pressed out of spacer ing with two screws. #07662) or stud bolt. pipe (
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GP7132 AND GP7136 REPAIR INSTRUCTIONS 8. Separate plunger (36) from 9. Pull seal sleeves (39) out of crosshead (25) by means of their fittings in the crankcase. one open-end wrench. Take seal case (38) out of seal sleeve (39). 38A 38B 38 38B 38A 36 10. If o-rings (38A) or support rings (38B) are damaged, replace with new parts. Examine plunger (36) for wear. 39A 39 41 42 43 45 11. Take a thin screw driver and pry out the grooved ring (39A). Note: This seal (39A) will not be reusable,
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GP7132 AND GP7136 REPAIR INSTRUCTIONS CAUTION: Don't loosen the 3 plunger (36) before the valve casing has been removed otherwise the plunger (36) could hit against the spacer pipe (51F) when the pump is being turned. Seal life can be increased if the pretensioning allows for a little leakage. This assists lubrication and keeps the seals cool. It is therefore not necessary to replace seals before the leakage becomes too heavy and causes output and operating pressure to drop. MOUNTING VALVE CASIN
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PUMP SYSTEM MALFUNCTION MALFUNCTION CAUSE REMEDY The Pressure and/ Worn packing seals Replace packing seals or the Delivery Broken valve spring Replace spring Drops Belt slippage Tighten or Replace belt Worn or Damaged nozzle Replace nozzle Fouled discharge valve Clean valve assembly Fouled inlet strainer Clean strainer Worn or Damaged hose Repair/Replace hose Worn or Plugged relief valve on pump Clean, Reset, and Replace worn parts Cavitation Check suction lines on inlet of pump for restriction
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GP7132 and GP7136 Dimensions (Inches) 11
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GIANT INDUSTRIES LIMITED WARRANTY Giant Industries, Inc. pumps and accessories are warranted by the manufacturer to be free from defects in workmanship and material as follows: 1. For portable pressure washers and self-service car wash applications, the discharge manifolds will never fail, period. If they ever fail, we will replace them free of charge. Our other pump parts, used in portable pressure washers and in car wash applications, are warranted for five years from the dateof shipment for a
