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10
13. Replace plug with o-ring (48, &
48A) and tighten to 160 ft.-lbs.
12. Next, place valve assemblies
(46A) into manifold after first
lubricating the o-ring (44A). Seat
firmly into manifold.
14. Fill crankcase with approxi-
mately 116 fluid ounces of Gi-
ant oil or equivalent SAE 90
industrial gear oil and check oil
level of the crankcase with the
dipstick. Proper level is center
of two lines. Reinstall your Gi-
ant LP pump into your system.
Contact Giant Industries or your local distributor for maintenance
of the gear end of your pump. Phone: 419/531-4600
Contact Giant Industries for service school information. Phone: (419) 531-4600
LP122A/LP122A-4000/LP123/LP255 - Repair Instructions
LP122A/LP122A-4000/LP123/LP255 TORQUE SPECIFICATIONS
Position Item# Description Torque Amount
10 01010 Screw, Cover 125 in.-lbs.
17 07114 Hex Screw, Bearing Cover 125 in.-lbs.
24A 13277 Hex Screw, Connecting Rod 250 in.-lbs.
29C 07737 Plunger Bolt 26 ft.-lbs.
48 06504/06089 Plug, Valve 160 ft.-lbs.
49A 07158 Nut, Stud Bolt 60 ft.-lbs.