JLG 660SJ ANSI Service Manual - Manual (Page 85)

SECTION 3 - CHASSIS & TURNTABLE
3120718 – JLG Lift – 3-31
Spare parts kit DFR pilot valve
Replacing the Drive Shaft Seal
1. Remove the snap ring
2. Change the shaft seal and check its sliding surface
(drive shaft) and housing, grease
the sealing ring.
3. Be careful while you seal the drive shaft, use an
adhesive tape to protect the splines.
4. Assemble the sealing ring. The fitting tool will hold
the sealing ring in the correct position in the pump
housing.
5. Assemble the snap ring.
6. Assemble the snap ring in the correct position.
Disassembly and Assembly
1. Disassemble the pilot valve.