Direct driver-controlled system – Spicer Single Drive Axles Service Manual: S170, S190, S590 User Manual
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Theo
ry of Operation
Theory of Operation
Direct Driver-Controlled System
1 - Cab-mounted control val ve (plunger in—valve open)
2 - Dry air supply tank 80–120 PSI
3 - Preferably equal in length
4 - Power supply
5 - Fuse or circuit breaker
6 - Indicator light or audible signal
7 - Wheel differential lock indicator switch
(part of axle assembly)
8 - Rear axle wheel differential lock air shift cylinder
(part of axle assembly)
9 - Forward rear axle wheel differential lock air shift cylinder
(part of axle assembly)
10 - Wheel differential lock indicator switch
(part of axle assembly)
11 - Indicator light of audible signal
12 - Fuse or circuit breaker
13 - Power supply
14 - 66468 Quick release valve (optional) located on frame rail
and within 10 feet of tubing from control valve
2
1
14
6
5
4
8
7
3
11
12
13
9
10