Service Manual

SECTION 3 - CHASSIS & TURNTABLE
3-56 – JLG Lift – 3121202
3.11 GENERATOR
Every 250 hours
Every 250 hours of operation, check the drive belt for
proper tension.
Every 500 hours
Every 500 hours of operation, service the generator
brushes and slip rings. Hostile environments may require
more frequent service.
Every 500 hours of service, blow out the inside of the gen-
erator. If operating in a hostile environment, clean
monthly.
Table 3-9. Coupling Port Information Table - 2WS
Port
No.
Outlet
Port
Size
Description
Operating
Pressure
PSI (Bar)
Proof
Pressure
PSI (Bar)
1 1 -8 Brake 450 (31) 675 (47)
2 2 -6 2 Speed 4500 (310) 6750 (465)
3 1 -6 Steer 2500 (172) 3750 (259)
4 1 -6 Steer 2500 (172) 3750 (259)
5 2 -6, -16 Drive Reverse 4500 (310) 6750 (465)
6 1 -16 Drive Forward 4500 (310) 6750 (465)
7 3 -8, -6 Case Drain 250 (17) 375 (26)
Table 3-10. Coupling Port Information Table - 4WS
Port
No.
Outlet
Port
Size
Description
Operating
Pressure
PSI (Bar)
Proof
Pressure
PSI (Bar)
1 1 -8 Brake 450 (31) 675 (47)
2 2 -6 2 Speed 4500 (310) 6750 (465)
3 1 -6 Steer 2500 (172) 3750 (259)
4 1 -6 Steer 2500 (172) 3750 (259)
5 2 -6, -16 Drive Reverse 4500 (310) 6750 (465)
6 1 -16 Drive Forward 4500 (310) 6750 (465)
7 3 -8, -6 Case Drain 250 (17) 375 (26)
8 1 -6 Steer 2500 (172) 3750 (259)
9 1 -6 Steer 2500 (172) 3750 (259)
1/2 in.
(13 mm)