SEAL KIT-H CYL 2216636 - Caterpillar

Illustration 1 g03381584
(1) Shaft
(2) Housing
(3) Retaining plate
(4) Piston
(5) Barrel
(6) Port plate
(7) Head The hydraulic fan motor is a bent axis fixed displacement piston type motor. The fan drive motor is mounted rearward of the radiator. Any internal leakage drains back to the hydraulic tank through the case drain passage. The fan motor speed is controlled by changing the pressure of oil from the hydraulic fan piston pump.Reversing Fan (826K Only)
Illustration 2 g03671633
(1) Engine ECM
(2) Engine fan reversing solenoid
(13) Engine cooling fan bypass solenoid
(4) Directional cartridge valve
(5) Relief valves
(6) Bidirectional fan motor
(7) Oil cooler
(8) Hydraulic oil filter (oil cooler return)
(9) Fan pump
(10) Fan solenoid
(11) Pressure reducing valve The 826K fan motor is a bidirectional fan motor. The engine ECM will automatically activate the fan reversing solenoid at predetermined intervals. The fan is also manually reversed by using the engine fan reverse switch.