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Triplex Ceramic
Plunger Pump
Operating Instructions/
Manual
Model
LP301A-5100
Contents:
Installation Instructions: page 2
Specifications: page 3
Exploded View: page 4
Parts List / Kits: page 5
Repair Instructions: page 6-9
Pump Mounting Selection Guide: page 9
Torque Specifications: page 9
Trouble Shooting/Preventative
Maintenance Check-List
& 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., 4. Use of a dampener is necessary to minimize pump is not a complicated procedure, but pulsation at drive elements, plumbing, connec- there are some basic steps common to all tions, and other system areas. The use of a pumps. The following information is to be dampener with Giant Industries, Inc. pumps is considered as a general outline for installa- optional, although recommended by Giant tion. If you have unique requirem
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Specifications Model LP301A-5100 U.S. (Metric) Ratings ......................................................... 14.1 GPM ................(68 LPM) Discharge Pressure ....................................... 4000 PSI ..................(275 bar) RPM............................................................................................... 1000 RPM Inlet Pressure ..................................................................................Up to 140 PSI Plunger Diameter......................
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Exploded View - LP301A-5100 4
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LP301A-5100 PARTS LIST ITEM PART DESCRIPTION QTY ITEM PART DESCRIPTION QTY 1 07759 Crankcase 1 30 07779 Oil Scraper 3 2 13000 Oil Filler Plug Assy... 1 31 07133 Oil Seal 3 4 06085 Crankcase Cover 1 35 13364-0100 Seal Sleeve 3 5 07104 O-ring, Crankcase Cover 1 36 13238 Leakage Seal 3 6 07186 Oil Sight Glass w/Gasket 1 37 13240-0100 Seal Case 3 7 07187 Gasket (For Sight Glass) 1 38 07140 O-Ring, Seal Case 3 8 06086 Oil Dipstick Assy. 1 38A 13241 Support Ring for 38 3 9 01009 O-Ring, (For Dipstick)
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LP301A-5100 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. TO CHECK VALVES 44B 44A 45 2) Remove the support ring 3) Take out discharge valve as- 1) Loosen and remove tension semblies (46) by pulling plugs (48) with a 36mm (44B), o-ring (44A) and ten- them
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LP301A-5100 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. TO CHECK SEALS AND PLUNGER PIPE 6) Loosen the 8 nuts (49A) 7) Remove the seal sleeve 8) Remove seal case (37) from with a 19mm socket and seal sleeve (35). (35) from the manifold pull off valve casing (43) and /or crankcase
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LP301A-5100 REPAIR INSTRUCTIONS 29B 29D 29C Weep Hole 12) Check plunger surface (29B). If plunger pipe is worn out, 13) Replace complete seal sleeve loosen tension screws (29C) with a 15mm socket and pull off (35)/seal case (37) assembly plunger pipe to the front. Clean front surface of plunger (29B) into crankcase (1). Make thoroughly. Apply a small drop of locktite to tension screw. Put sure that the weep hole a new crush washer (29D) onto tension screw. Put a thin coat points downward. No
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LP301A-5100 REPAIR INSTRUCTIONS TO DISMANTLE GEAR END After removing valve casing (43) and plunger pipe (29B), drain the oil. Remove the gear cover (4) and both bearing covers (14). Loosen connecting rod screws (24A) and push the front of the connecting rod (24) forward as far as possible into the crosshead guide. IMPORTANT! Connecting rods (24) are marked for identification. Do not twist connecting rod halves. Connecting rod is to be reinstalled in the same position on shaft journals. Tur
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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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LP301A-5100 DIMENSIONS - Inches (mm) 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 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 date of shipment for all pumps use
