JLG 450A_AJ Series II Service Manual - Manual (Page 321)

SECTION 5 - HYDRAULICS
3121180 – JLG Lift – 5-31
14. Install two remaining dowel pins in rear of gear
housing, if applicable, and place end cover over
back of pump.
15. Install four spacers (if applicable) and hex head
bolts through bolt holes in end cover. Hand tighten.
16. Place mounting flange of pump back in protected
jawed vise and alternately torque bolts to torque
specifications in the torque chart. All torque figures
are for ”dry torque” bolts.
17. Remove pump from vise.
18. Place a small amount of clean oil in pump inlet and
rotate drive shaft away from inlet one revolution. If
drive shaft binds, disassemble pump and check for
assembly problems, then reassemble pump.
19. Name plate located on end cover contains build
date code and model number. Please refer to this
information when corresponding with the J.S.
Barnes Service Department.
Table 5-3.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