10
13. Replace plug with O-ring (48,
& 48A) and tighten to 160
ft.-lbs. (217 Nm).
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
Giant 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 Giant LP pump into your
system.
Contact Giant Industries or your local distributor for mainte-
nance of the gear end of your pump. Phone: 419/531-4600
Contact Giant Industries for service school information.
Phone: (419) 531-4600
LP122A/LP123/LP255 TORQUE SPECIFICATIONS
Item #
Part #
Description
Torque Amount
10
01010
Screw, Cover
125 in.-lbs. (14 Nm)
17
07114
Hex Screw, Bearing Cover
125 in.-lbs. (14 Nm)
24A
13277
Hex Screw, Connecting Rod
250 in.-lbs. (28 Nm)
29C
07737
Plunger Bolt
26 ft.-lbs. (35 Nm)
48
06504/07753
Plug, Valve
160 ft.-lbs. (217 Nm)
49A
07158
Nut, Stud Bolt
60 ft.-lbs. (81 Nm)
LP122A/LP123/LP255 - Repair Instructions
