Spicer Single Drive Axles Service Manual: S170, S190, S590 - Manual (Page 44)

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Wheel Differential Lock
Wheel Differential Lock - Parts Exploded View
1 - Sliding clutch
2 - Spring
3 - Shift Fork
4 - Push rod 5 - Piston
6 - O-ring
7 - Piston cover
8 - Washer 9 - Switch
10 - Roll pin
2
3
9
1
8
7
6
5
4
10