Group 3 Swing Device - Hyundai HX140L Manual

GROUP 3 SWING DEVICE (TYPE 1)
1. STRUCTURE
Swing device consists swing motor, swing reduction gear.
Swing motor include mechanical parking valve, relief valve, make up valve and time delay valve.
Reduction gear oil
drain port (PT 1/2)
MU
MA
PG
SH
Hydraulic circuit
Reduction gear
SH
Swing motor
VA VB
MB
R/G
DR
AU
Relief valve
PG
Oil level gauge
& oil supply port
Oil level &
air vent port
Port Port name
VA Main port
VB Main port
DR Drain port
MU Make up port
PG Brake release stand by port
SH Brake release pilot port
MA, MB Gauge port
AU Air vent port
2-46
AU
MU
MB
VB DR VA
Port size
PF 3/8
PF 3/4
PF 1/4
PF 1/4
PF 1/4
PF 1/8
125LCR2SM21
MA
13
13