GROUP 4 TRAVEL DEVICE
1. CONSTRUCTION
Travel device consists travel motor and gear box.
Travel motor includes brake valve, parking brake and high/low speed changeover mechanism.
A
Reduction gear
Ps
MB
VB VA
Hydraulic circuit
Travel motor
DR
RE
MA
PS
MB
VB
Port
Port name
VA, VB
Ps
DR
MA, MB
Gauge port
2-61
Parts number
MA
DR
VA
VIEW A
130ZF2TM20
Port size
Valve port
PF 3/4
Pilot port
PF 1/4
Drain port
PF 1/2
PF 1/4