966H Wheel Loader and 972H Wheel Loader Braking and Hydraulic Fan System Pressure Switch (Parking Brake Oil) Caterpillar


Pressure Switch (Parking Brake Oil)
`


Illustration 1g02926997

Table 1
Specification for 327-4608 Pressure Switch 
Item  Qty  Part  Specification Description 
Final installation torque for the presure switch is 35 ± 3 N·m (26 ± 2 lb ft)
Maximum actuation pressure at −40 to 121°C (−40° to 250°F) is 8270 kPa (1199 psi)
Deactuation pressure at −40 to 121°C (−40 to 250°F) is 6890 ± 345 kPa (999 ± 50 psi)
Contact "A" and contact "C" are normally closed below the deactuation pressure of the pressure switch. 
Contact "A" and contact "B" are normally open below the deactuation pressure of the pressure switch. 

Information System:

D6T Track-Type Tractor Systems Hydraulic Fan Speed (On Demand) - Test and Adjust
Camshaft Lobe Hits Fuel Transfer Pump.{1210, 1256}
953D, 963D and 973D Track-Type Loaders Ripper Does Not Function
953D, 963D and 973D Track-Type Loaders Implement Cycle Time Is Fast
C12 Marine Engines and C12 Power Package Maintenance Recommendations
973D Track-Type Loader Declaration of Conformity
C9.3 Engines for Caterpillar Built Machines Diesel Particulate Filter - Remove and Install
953D, 963D and 973D Track-Type Loaders Hydraulic System Oil Temperature Is High
2009/09/07 Protective Covers For the Joint On the Equalizer Bar Are Now Used {7206}
C9.3 Tier 4 Final Engines Lubrication System
2009/08/24 A Hydraulic Suction Line on D6R Series III Track-Type Tractors Has a New Clamp {5057}
953D, 963D and 973D Track-Type Loaders Hydraulic System Oil Contains Air
AD55B Underground Articulated Truck Safety Messages
AD55B Underground Articulated Truck Additional Messages
950G Series II Wheel Loader, 962G Series II Wheel Loader and IT62G Series II Integrated Toolcarrier Power Train MID 081 - CID 0070 - FMI 04
C3.4B Engines for Caterpillar Built Machines Alternator - Test
953D Track-Type Loader Machine Systems Window Wiper and Wiper Motor
C9.3 Engine and D7E Track-Type Tractors Power Train Oil Cooler - Remove and Install
Piston Seizures on C18 Engines{1225, 1331}
D7E Track-Type Tractor Hydraulic, HVAC, and Electrical Systems Hydraulic System Oil Contains Air
D7E Track-Type Tractor Hydraulic, HVAC, and Electrical Systems Hydraulic System Oil Level Is Low
D7E Track-Type Tractor Hydraulic, HVAC, and Electrical Systems Hydraulic System Oil Temperature Is High
953D, 963D and 973D Track-Type Loaders Steering Does Not Function
953D, 963D and 973D Track-Type Loaders Steering Does Not Function in One Direction