JLG 510AJ Service Manual - Manual (Page 263)

SECTION 5 - HYDRAULICS AND HYDRAULIC SCHEMATICS
3121181 – JLG Lift – 5-43
is the case, remove the gear housing and check for
proper seal installation.
15. Install the two remaining dowel pins in the rear of the
gear housing, if applicable, and place the end cover over
the back of the pump.
16. Install the four spacers, if applicable, and hex head bolts
through the bolt holes in the end cover, hand tighten.
17. Place mounting flange of the pump back in the pro-
tected jawed vise and alternately torque the bolts to the
torque specifications in the torque chart. All torque fig-
ures are for "dry torque" bolts.
18. Remove pump from vise.
19. Place a small amount of clean oil in the inlet of the pump
and rotate the drive shaft away from the inlet one revo-
lution. If the drive shaft binds, disassemble the pump
and check for assembly problems, then reassemble the
pump.
Table 5-1.Hydraulic Pump Bolt Torque Chart
Pump Series Thread Size
Torque Values,
Black Oxide
End Cover
Torque Values,
Zinc Plated End
Cover
W-600 M 8 x 1.25 18-21 ft.lb.
24-30 Nm
16-18 ft.lb.
21.7-24.4 Nm
W-900 M 10 x 1.5 50-55 ft.lb.
68-75 Nm
38-43 ft.lb.
51.5-58.3 Nm
W-1500 M 12 x 1.75 80-85 ft.lb.
108-115 Nm
68-73 ft.lb.
92.2-99 Nm