Hub-Shaft Subassembly - JLG 660SJ Service And Maintenance Manual

SECTION 3 - CHASSIS & TURNTABLE

Hub-Shaft Subassembly

1. Press Bearing Cup (1C) in Housing (1G). Make sure cup
starts square with bore of Hub (1G).
2. Place Bearing Cone (1D) in Bearing Cup (1C) in Housing
(1G).
3. Apply grease to rubber portion of Seal (1B). Press or tap
Seal (1B) with smooth face up, in counterbore of Hous-
ing (1G) until it is flush with Housing (1G) face bore.
4. Invert Hub (1G) and press Bearing Cup (1E) in counter-
bore of Housing (1G).
5. Carefully lower Housing (1G) on Output Shaft (1A) until
Bearing Cone (1D) contacts Output Shaft (1A).
6. Press on small end of Bearing Cone (1D), being careful
not to contact the bearing cage, until Bearing Cone (1D)
seats on Output Shaft (1A) shoulder.
7. Start Bearing Cone (1F) on Output Shaft (1A).
8. Press or tap Bearing Cone (1F) on Output Shaft (1A) until
it is just seated in Bearing Cup (1E), while rotating the
Housing (1G).
9. Install Bearing Spacer (1H) on Output Shaft (1A) against
Bearing Cone (1F).
RINGS UNDER TENSION CAN FLY OUT AND CAUSE SERIOUS INJURY. WEAR EYE
PROTECTION WHEN INSTALLING RINGS.
NEVER REUSE A RETAINING RING IN REBUILD OR REPAIR.
10. Install new Retaining Ring (1I) in groove of Output Shaft
(1A).
11. Tap Retaining Ring (1I) with a soft metal punch to ensure
it is completely seated in groove of Output Shaft (1A).
3-40
1H
1F
1C
1B
Figure 3-56. Hub-Shaft Subassembly
12. Reinstall Drain Plug if not already installed (1P from Fig.
3-45). Torque to
– JLG Lift –
1I
1E
1G
1D
1A
23 - 24 ft-lb (31 - 32 Nm).
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