The pumps. The following information is to be use of a dampener with Giant Industries, Inc. considered as a general outline for instal- pumps is optional, although recommended by lation.
The desired pressure is achieved by select- requirements, use the following formula: ing the correct nozzle size that corresponds with HP = (GPM x PSI) / 1450 the pump GPM. LP460 Horsepower Requirements GPM 3000 PSI 4000 PSI 5000 PSI 5800 PSI 12.1 16.2 20.2 23.4...
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LP460 Parts List Item Part # Description Qty. Item Part # Description Qty. 07759 Crankcase 29D 07258 Copper Ring 13000 Oil Filler Plug Assy. 07779 O-Ring 05940 Cover Plate 07133 Oil Seal 07223-0100 Spring Ring 04144 Seal Sleeve 05051 Hexagon Screw...
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Adjust or Replace packing seals Excessive vacuum Reduce suction vacuum Cracked plungers 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...
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LP460 REPAIR INSTRUCTIONS To Check Valves Discharge Valves: screw off tension plugs (50). Take the spring tension cap (44A) out of the ex - posed discharge valve with flat nose pliers. Remove the valve seat (44D), if necessary with an M12 screw (screwing it into the M12 thread).
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LP460 REPAIR INSTRUCTIONS To Dismantle Gear After removing the valve casing and plunger pipes, drain the oil. Screw off gear cover (4) and bearing cover (14). Take off the connecting rod screws and push the front of the connecting rods as far as possible into the crosshead guide.
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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.