JLG 150HAX Service Manual - Manual (Page 13)

SECTION 1 - SPECIFICATIONS
3120817 – JLG Lift – 1-3
1.7 TORQUE REQUIREMENTS 1.8 PRESSURE SETTINGS - PSI (BAR)
Table 1-11. Torque Requirements
Description
Torque Value
(Dry)
Interval
Hours
Bearing To Chassis 545 ft. lbs.
(740 Nm)
50/600*
Bearing To Turntable 545 ft. lbs.
(740 Nm)
50/600*
Wheel Lugs 300 ft. lbs.
(407 Nm)
150
Drive Torque Hub to Spin-
dle 260 ft. lbs.
(353 Nm)
200
Main Boom Chains 50 ft. lbs.
(68 Nm)
200
Swing Motor to Swing
Brake 110 ft. lbs.
(149 Nm)
500
Torque Hub to Turntable
Mounting Plate 340 ft. lbs.
(461 Nm)
500
Platform Rotator Brake
Bolt 140 ft. lbs.
(190 Nm)
500
*Check swing bearing bolts for security after first 50 hours of
operation and every 600 hours thereafter. (See Swing Bearing in
Section 2)
NOTE: When maintenance becomes necessary or a
fastener has loosened, refer to the Torque
Chart to determine proper torque value.
Table 1-12. Pressure Settings - 5 Spool Proportional
Valve
PSI BAR
5 Spool Proportional Valve
Main Relief 3800 262
Main Tele Out Relief 2000 138
Main Tele In Relief 3300 228
Main Lift Up Relief 3000 207
Main Lift Down Relief 1850 128
Tower Tele Out Relief 3000 207
Tower Tele In Relief 2600 179
Tower Lift Up Relief 3700 255
Tower Lift Down Relief 3000 207
Swing Relief 1700 117
2 Spool Solenoid Valve
Main Relief 2750 190
Rotate Relief 2500 172
Level Reliefs 2500 172
3 Spool Solenoid Valve
Steer Reliefs 2000 138
4 Spool Solenoid Valve
Extension Cylinder Reliefs 2000 138
Low Drive System
Sequence Valve 450 31
Main Relief on External Relief Valve 3200 221
Proportional Drive Valve Section Relief -
Factory set, does not normally need to
be adjusted 3200 221