Emergency Steering Valve - Komatsu WA250-6 Shop Manual

300 Steering system

Emergency steering valve

Emergency steering valve

(if equipped)
PP: From steering pump
A: To HST motor 2 port A
B: To HST motor 2 port B
Y: To Orbit-roll valve
S: From hydraulic tank
G: To pressure switch
WA250, 250PZ-6
1. Check valve body
2. Check valve
3. Valve body
4. Pressure reducing valve
5. Selector valve
SEN03827-01
1
21
10-300