50 hours of operation, then at regu- lar intervals of 500 hours or less depending 4. Run the pump dry approximately 10 seconds on operating conditions. to drain the water before exposure to freezing temperatures. NOTE: Contact Giant Industries for Service School Information. Phone: (419)-531-4600...
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Select GPM required, then select appropriate motor and pump pulley from the same line. 2. The desired pressure is achieved by selecting the cor- rect nozzle size that corresponds with the pump GPM. LP301A PULLEY SELECTION AND LP600 PULLEY SELECTION AND HORSEPOWER REQUIREMENTS HORSEPOWER REQUIREMENTS...
Exploded View LP301A/LP301A-4000/LP600/LP600-4000 Important! The stainless steel valve plugs (48) can seize when being screwed out of the cas- ing. To release tension beforehand, strike the plugs 1-2 times with a steel hammer on the top before screwing them out. Coat threads with antiseize (e.g. Fel-Pro Nickel Anti-Seize 51119)
*BSP to NPT Adapters/Seals (sold separately) 13239 Seal Case (LP600/LP600-4000) 13240 Seal Case (LP301A/LP301A-4000) Inlet Port = 13377 (Adapter) / 13376 (Seal) Discharge Port = 13373 (Adapter) / 13372 (Seal) rated up to 3000 PSI. For higher pressure adapters, contact Giant.
Repair Kits LP301A/LP301A-4000/LP600/LP600-4000 Plunger Packing Kits LP301A - # 09459 For pumps manufactured on or after 4/96 LP301A-4000 - # 09459-4000 Item Part # Description Qty. Item Part # Description Qty. 13238 Leakage Seal 13238 Leakage Seal 07140 O-Ring 07140...
REPAIR INSTRUCTIONS - LP301A/LP301A-4000/LP600/LP600-4000 Always take time to lubricate all metal and non-metal parts with a light film of oil before reassembling. NOTE: This step will help ensure proper fit, at the same time protecting the pump non-metal parts (elastomers) from cutting and scoring.
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10) Remove leakage seal sleeve (40C in LP600 only), and support ring (40B), (36) from the seal sleeve. from the seal sleeve. For LP301A and LP301A-4000 If worn or damaged re- pumps, remove the pressure spring (41). Examine seals place with new seal.
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REPAIR INSTRUCTIONS - LP301A/LP301A-4000/LP600/LP600-4000 Weep Hole 12) Check plunger surface (29B). If plunger pipe is worn out, 13) Replace complete seal loosen tension screws (29C) with a 15mm socket and sleeve (35)/seal case (37) pull off plunger pipe to the front. Clean front surface of assembly into crankcase plunger (29B) thoroughly.
0.15mm by placing fitting discs (20A and 20B) under the bearing cover. IMPORTANT! After assembly has been completed, the crankshaft should turn easily with very little clear- ance. Tighten connecting rod screws (24A) to 310 in.-lbs. Re-assemble the fluid end (see instructions above). LP301A/LP301A-4000/LP600/LP600-4000 TORQUE SPECIFICATIONS Position Item# Description...
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Replace plungers Inlet pressure too high Reduce inlet pressure High Crankcase Wrong Grade of oil Giant oil is recommended Temperature Improper amount of oil in crankcase Adjust oil level to proper amount Preventative Maintenance Check List & Recommended Spare Parts List...
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A Returned Goods Authorization (R.G.A.) number and completed warranty evaluation form is required prior to the return to Giant Industries of all products under war- ranty consideration. Call (419)-531-4600 or fax (419)-531-6836 to obtain an R.G.A. number.