Hub-Shaft Sub-Assembly - JLG 1200SJP Service Maintenance Manual

Hub-Shaft Sub-Assembly

1. Press Bearing Cone (1D) onto Shaft (1A).
2. Press Bearing Cup (1C) into Housing (1G), take care to
insure cup starts square with bore of Hub (1G).
3. Place Bearing Cone (1D) in Bearing Cup (1C) in Housing
1G).
4. Press or tap Seal (1B) into the counterbore of Housing
(1G) to the point where it becomes flush with the Hous-
ing (1G) face. Care should be taken to insure Seal (1B) is
being correctly installed (smooth face up).
5. Invert Hub (1G) and press Bearing Cup (1E) into counter-
bore of Housing (1G).
6. Carefully lower Housing (1G) onto the Output Shaft (1A).
7. Start the Bearing Cone (1F) onto the Output Shaft (1A).
8. Press or tap the Bearing Cone (1F) onto the Output Shaft
(1A) until it is seated in the Bearing Cup (1E).
1A. Output Shaft
1B. Lip Seal
1C. Tapered Bearing Cup
3121142
1D. Tapered Bearing Cone
1E. Tapered Bearing Cup
1F. Tapered Bearing Cone
Figure 3-42. Swing Drive - Hub Shaft Sub-Assembly
– JLG Lift –
SECTION 3 - CHASSIS & TURNTABLE
9. Install Bearing Spacer (1H) onto Output Shaft (1A) and
against Bearing Cone (1F).
10. Install Retaining Ring (1I) into the groove in the Output
Shaft (1A). This Retaining Ring (1I) should never be
reused in a repair or rebuild.
EYE PROTECTION SHOULD BE WORN DURING THIS PROCEDURE.
11. Tap the Retaining Ring (1I) with a soft metal punch to
ensure that the Retaining Ring (1I) is completely seated
in the groove of the Output Shaft (1A).
EYE PROTECTION SHOULD BE WORN DURING THIS PROCEDURE.
12. Install O-ring Plug (1J) and torque 23 to 24 ft-lbs.(32 -
33.5 Nm).
1G. Housing
1H. Thrust Washer
1I. Retaining Ring
1J. O-Ring Plug
3-71