50 hours of operation, then 4. Run the pump dry approximately 10 seconds to drain the water before exposure to freezing at regular intervals of 500 hours or less temperatures. depending on operating conditions. NOTE: Contact Giant Industries for Service School Information. Phone: (419)-531-4600...
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-5100 PULLEY SELECTION AND LP600-5100 PULLEY SELECTION AND HORSEPOWER REQUIREMENTS HORSEPOWER REQUIREMENTS...
LP301A-5100 / LP600-5100 Exploded View Important! The stainless steel valve plugs (48) can seize when being screwed out of the casing. To release tension beforehand, strike the plugs 1-2 times with a steel hammer on the top before screw- ing them out. Coat threads with antiseize (e.g. Fel-Pro Nickel Anti-Seize 51119)
LP301A-5100 / LP600-5100 Parts List ITEM PART DESCRIPTION ITEM PART DESCRIPTION 13012 O-Ring, Seal Case 07759 Crankcase 13000 Oil Filler Plug Assy. (LP600-5100) 05940 Cover Plate 12055 O-Ring, Seal Case 07223-0100 Spring Ring (LP301A-5100) 05051-0100 Hexagon Screw 13036 Support Ring for 39...
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 3) Take out discharge valve 2) Remove the support ring...
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REPAIR INSTRUCTIONS TO CHECK SEALS AND PLUNGER PIPE 8) Remove seal case (37) 6) Loosen the 8 nuts (49A) 7) Remove the seal sleeve (35) from the manifold from seal sleeve (35). with a 19mm socket and pull off valve casing (43) and /or crankcase.
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REPAIR INSTRUCTIONS Weep Hole 13) Replace complete seal 12) Check plunger surface (29B). If plunger pipe is worn out, sleeve (35)/seal case (37) loosen tension screws (29C) with a 15mm socket and pull off plunger pipe to the front. Clean front surface of assembly into crankcase plunger (29B) thoroughly.
0.1mm and maximum 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 clearance. Tighten connecting rod screws (24A) to 310 in.-lbs. Re-assemble the fluid end (see instruc- tions above). LP301A-5100 / LP600-5100 TORQUE SPECIFICATIONS Position Item# Description...
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.