777E and 777F Off-Highway Truck Power Train Caterpillar


Transmission Hydraulic System

Usage:

777F JRP


Illustration 1g01262394

Location Of Components



Illustration 2g01367943
Component locations
(1) Transmission solenoids 1 through 7
(2) Transmission hydraulic control relief valve
(3) Transmission lubrication relief valve
(4) Transmission input speed sensor
(5) Transmission section of hydraulic and transmission tank
(6) Magnetic screen
(7) Hydraulic section of hydraulic and transmission tank
(8) Oil filter for the torque converter lockup clutch
(9) Torque converter outlet relief valve
(10) Torque converter inlet relief valve
(11) Relief valve for the pilot control pressure
(12) Torque converter
(13) Pressure test port for the clutch modulating valve
(14) Transmission output speed sensor 1
(15) Transmission output speed sensor 2
(16) Charge oil filter for the transmission
(17) Charge oil filter for the transmission
(18) Bypass check valve for the transmission cooler
(19) Torque converter and transmission gear pump
(20) Modulating valve for the torque converter lockup clutch
(21) Charge oil filter for the torque converter
(22) Brake and torque converter oil coolers
(23) Transmission cooler


Illustration 3g01367991
(16) Charge oil filter for the transmission
(17) Charge oil filter for the transmission
(26) Oil sampling valve
(27) Bypass switch (charge oil filter for the transmission)
(28) Pressure test port


Illustration 4g01367993
Transmission magnetic screen
(29) Magnetic screen for the transmission lines

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