10 generator, Every 250 hours, Every 500 hours – JLG 660SJ Service Manual User Manual
Page 96: Generator -52, Every 250 hours -52 every 500 hours -52, Generator belt tension -52, Generator brushes and slip rings -52, Generator cleaning -52, Coupling port information table - 2ws -52, Coupling port information table - 4ws -52

SECTION 3 - CHASSIS & TURNTABLE
3-52
– JLG Lift –
3121298
3.10 GENERATOR
Every 250 hours
Check drive belt tension every 250 hours of operation,.
Figure 3-69. Generator Belt Tension
Every 500 hours
Service generator brushes and slip rings every 500 hours of
operation. Hostile environments may require more frequent
service.
Figure 3-70. Generator Brushes and Slip Rings
Blow out inside of generator every 500 hours of service. If
operating in a hostile environment, clean monthly.
Figure 3-71. Generator Cleaning
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)