Group 3 Swing Device - Hyundai R480LC-9S Service Manual

GROUP 3 SWING DEVICE

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
air bleed port
Reduction gear
GB
B
Mu
Hydraulic circuit
Reduction gear grease
supply port (PT 1/8)
Reduction gear oil
drain port
(PT 3/8)
SH
PG1
(PT 1/8)
Swing motor
PG2
PG1
Dr
GA
A
Time delay valve
Relief valve
Au
PG2
GA
Level gauge &
oil supply port
Port
Main port
A, B
Dr Drain port
Mu Make up port
GA,GB Gauge port
Au Air vent port
PG 1, 2 Brake release stand by port
SH Brake release pilot port
2-47
SH
PG2
Mu PG1
A
B
Port name Port size
PF 1/2
PF 1/4
PF 1/4
PF 1/4
PF 1/4
DR
GB
4809S2SM01
20
PF 1