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4.9 TRAVELLING MOTOR
4.9.1 TRAVELLING MOTOR EXTERNAL VIEW
4.9.2 TRAVELLING MOTOR CONNECTION DESTINATIONS
Port name Port destination Port size Note
A
Left motor Travel / outrigger control valve left travel A port Forward travelling
Right motor Travel / outrigger control valve right travel B port
Backward travelling
B
Left motor Travel / outrigger control valve left travel B port
Backward travelling
Right motor Travel / outrigger control valve right travel A port
Forward travelling
PP
Left motor Traveling switching G1/4 2 speed shift
Right motor Traveling switching G1/4 2 speed shift
DR 1
Left motor Drain G1/4 Tank
DR2
Right motor Drain G1/4 Tank
4.9.3 TRAVELLING MOTOR SPECIFICATIONS
1 speed 2 speed
Model PHV-4B-70D-9701B
Reducer
Reduction gear ratio 1 / 58.4
Output torque 8142 N•m 4262 N•m
Maximum output revolution speed 21.4 rpm 40.9 rpm
Lubricating oil quantity 800 cm
3
Gear oil SAE 30 CF
Hydraulic motor
Capacity 36.5 cm
3
/rev 19.1 cm
3
/rev
Maximum service pressure 24.0 MPa
Maximum output revolution speed 1249 rpm 2387 rpm
Max. flow rate 45.6 L/min
2 speed shift pressure 1.5 MPa
Parking
brake
Static friction torque 83.3 Nm
Opening pressure 1.1 MPa
S106H3567000