JLG 120HX ANSI Service Manual - Manual (Page 13)

SECTION 1 - SPECIFICATIONS
3120686 – JLG Lift – 1-3
1.5 FUNCTION SPEEDS (MACHINES BUILT
AFTER S/N 38697)
Telescope
Extend - 80-100 seconds.
Retract - 85-100 seconds.
Lift
Up - 85-100 seconds.
Down - 75-100 seconds.
Extend-A-Reach
Up - 15-25 seconds.
Down - 15-25 seconds.
Swing Speed 360°
143-243 seconds.
Platform Rotation
Left - 7-20 seconds.
Right - 7-20 seconds.
Ground to 120’
165 to 200 seconds.
From 120’ to Ground
150 to 200 Seconds
Ground to 120’ to Ground
315 to 400 Seconds
1.6 TORQUE REQUIREMENTS
NOTE: See Section 2 for tightening sequence of turntable
bearing bolts.
NOTE: When maintenance becomes necessary or a fas-
tener has loosened, refer to the Torque Chart Figure
1-1 to determine proper torque value.
Table 1-1. Torque Requirements
Description
Torque Value
(Dry)
Interval Hours
Bearing To Chassis 220 FT LB
(298 NM)
200/500*
Bearing To Turntable 220 FT LB
(298 NM)
200/500*
Wheel Lugs 300 FT LB
(407 NM)
50
Drive Torque Hub to
Spindle 260 FT LB
(353 NM)
500
Boom Chains 59 FT LB (80
NM)
200
Swing Motor to Swing
Brake 75 FT LB (102
NM)
500
Swing Brake to
Torque Hub 110 FT LB
(149 NM)
500
Torque Hub to Mount-
ing Plate 260 FT LB
(353 NM)
500
Frame Valve Bolts 80 IN LB (9
NM)
See Note
Below**
* Retorque swing bearing bolts after first 200 hours of oper-
ation and every 500 hours thereafter.
**Re-torque frame valve bolts after checking or adjusting
steer pressure.