JLG 680S Service And Maintenance Manual page 163

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Hub-Shaft Disassembly
NOTE: Refer to Figure 3-69., Hub-Shaft.
1. Using retaining ring pliers remove Retaining Ring (1I)
from groove in Output Shaft (1A) and discard.
EYE PROTECTION SHOULD BE WORN DURING THIS PROCEDURE.
2. Remove Thrust Washer (1H).
3. While supporting the Housing (1G) on the Output Shaft
(1A) end, press the Output Shaft (1A) out of the Housing
(1G).
1A
3121234
1B
1C
1D
1A. Output Shaft
1B. Lip Seal
1C. Bearing Cup
1D. Bearing Cone
1E. Bearing Cone
Figure 3-69. Hub-Shaft
SECTION 3 - CHASSIS & TURNTABLE
NOTE: The Lip Seal (1B) will be pressed out of the Housing (1G) by
the Bearing Cone (1D) during this step.
4. Remove the Bearing Cone (1E) from the Housing (1G).
5. Use a bearing puller to remove the Bearing Cone (1D)
from the Shaft (1A).
6. Bearing Cups (1C & 1F) will remain in Housing (1G).
NOTE: If bearing replacement is necessary, the Bearing Cups (1C &
1F) can be removed with a slide hammer puller or driven
out with punch.
1G
1E
1F. Bearing Cup
1G. Housing
1H. Thrust Washer
1I. Retaining Ring
1F
1H
1I
3-111

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