Cub Cadet 7530 Maintenance Manual

Hydraulic System 1
13
1.5.4 Control Valve
1Structure
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.
2 Specifications
Maximum Discharge 20.5L/min {5.416gal/min}
Maximum Usable Pressure 15.2MPa {155kgf/cm
2
, 2205psi}
Pressure Loss
P T (neutral)
pressure loss
20L/min when below 0.78MPa {8kgf/cm
2
, 114psi}
P C (lifting)
pressure loss
20L/min {5.28gal/min} when below 1.37MPa {14kgf/cm
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
www.mymowerparts.com
K&T Saw Shop 606-678-9623 or 606-561-4983

Cub Cadet 7530 Specifications

General

Brand	Cub Cadet
Model	7530
Category	Tractor
Language	English