Inching Valve - Komatsu WA250-6 Shop Manual

SEN03828-00

Inching valve

P1: From HST pump port Y
T2: To steering pump (suction side)
1. Brake pedal
2. Brake valve
3. Spool
4. Body
12
10-400
Outline
The inching valve, which is contained in brake
q
valve (2), reduces the control oil pressure of
the HST circuit responding to stroke (S) of
spool (3) in order to reduce the capacity of the
HST pump.
400 Brake system

Inching valve

1
WA250, 250PZ-6