Service Manual Instruction Manual

SECTION 3 - CHASSIS & TURNTABLE
3121171 – JLG Lift – 3-69
Hub-Shaft Disassembly
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).
NOTE: The Lip Seal (1B) may or may not be pressed out of the
Housing (1G) by the Bearing Cone (1D) during this step.
4. Remove the Bearing Cone (1F) from the Housing (1G).
5. Invert the Housing (1G) and remove the Lip Seal (1B) if
not already removed when Output Shaft (1A) was
pressed out of Housing (1G).
6. Remove the Bearing Cone (1D).
7. Bearing Cups (1C & 1E) will remain in Housing (1G).
NOTE: If bearing replacement is necessary, the Bearing Cups (1C &
1E) can be removed with a slide hammer puller or driven
out with a punch.
1A. Output Shaf t
1B. Li p Sea l
1C. Ta pe re d B ea ri ng Cu p
1D. Tapere d B eari ng Co ne
1E. Tapered Bearing Cup
1F. Tapere d B ear ing Co ne
1G. Housing
1H. Th ru st Wa sh er
1I. Retaining Ring
1J. O-Ring Plug
Figure 3-40. Swing Drive - Hub Shaft Disassembly