Mitsubishi Mahindra GX3600 - Page 88

84
MECHANICAL STRUCTURE
1 Structure
2 Specifications
1. Spool Valve
It indirectly operates the unload valve and check valve.
2. Poppet
It opens only when lowering the lift arm and is closed to the sheet by poppet spring.
3. Unload Valve
It is indirectly operated by movement of the spool valve. It opens when the spool is in neutral position and
lowering to return the oil from the pump to the transmission case.
4. Check Valve
It is indirectly operated by movement of the spool valve. It opens only when lifting.
Maximum Discharge
/PLQ^JDOPLQ`
Maximum Usable Pressure
03D^NJIFP
2
, 2205psi}
Pressure Loss
P T (neutral)
pressure loss
/PLQZKHQEHORZ03D^NJIFP
2
, 114psi}
P C (lifting)
pressure loss
/PLQ^JDOPLQ`ZKHQEHORZ03D^NJIFP
2
, 199psi}
Operating Oil
Multi STOU Oil Temperature: 40
C to 50 C
Hydraulic
pressure signal
T
2
T1 P
C
T3
4
3
2
1
Neutral oil return
Valve body
Spool valve
Pump port
Poppet
Check valve
Poppet spring
Cylinder port
Control Valve Sectional View
Cylinder return
Pilot oil return
Spool valve
spring
Unload valve
4
2
T
1
3
Sheet
PR8W4-014
7-6 CONTROL VALVE
1. Structure
2. Specifications