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Friday, January 25, 2013

789D and 789D XQ Off-Highway Truck Air System and Brakes: Brake Hydraulic System


(1) Left rear wheel brake
(2) Torque converter
(3) Torque converter lockup clutch and synchronizing valve
(4) Torque converter outlet relief valve
(5) Pump drive
(6) Makeup tank for brake oil
(7) Parking brake release pump section
(8) Rear brake cooling pump section
(9) Torque converter charging pump section
(10) Air breathers
(11) Transmission oil cooler
(12) Transmission planetary
(13) Transmission hydraulic control
(14) Torque converter and front brake cooling diverter valve
(15) Torque converter and front brake cooling oil cooler
(16) Left front wheel brake
(17) Check valve
(18) Parking and secondary brake valve
(19) Torque converter inlet relief valve
(20) Torque converter and parking brake release gear pump
(21) Torque converter scavenge pump section
(22) Transmission cooler inlet relief valve
(23) Brake master cylinders (rear)
(24) Check valve for the electric drive
(25) Electric drive pump for the parking and secondary brake release
(26) Transmission gear pump
(27) Transmission charging section of the gear pump
(28) Transmission lubrication section of the gear pump
(29) Transmission scavenge section of the gear pump
(30) Brake master cylinder (front)
(31) Shuttle valves
(32) Front slack adjuster
(33) Hoist cylinders
(34) Right rear wheel brake
(35) Rear slack adjuster
(36) Rear brake oil coolers
(37) Traction control valve
(38) Hoist and rear brake cooling gear pump
(39) Front section of the hoist and rear brake cooling gear pump
(40) Rear section of the hoist and rear brake cooling gear pump
(41) Torque converter, hoist, brake, and transmission hydraulic tank
(42) Rear brake oil cooler relief valve
(43) Hoist counterbalance valve
(44) Hoist control valve
(45) Right front wheel brake
(46) Hydraulic automatic retarder control (ARC) valve
(47) Accumulator(48) Check valve

Location Of Components

Front view of front service brake lines
(6) Makeup tank for brake oil
(18) Parking and secondary brake valve
(23) Brake master cylinders (rear)
(30) Brake master cylinder (front)(32) Front slack adjuster
View of rear service brake lines.
(6) Makeup tank for brake oil
(7) Parking brake release pump section
(8) Rear brake cooling pump section
(9) Torque converter charging pump section
(21) Torque converter scavenge pump section
(23) Brake master cylinders (rear)
(25) Electric drive pump for the parking and secondary brake release
(37) Traction control valve
(41) Torque converter, hoist, brake, and transmission hydraulic tank
(47) Accumulator(49) Parking brake release hydraulic filter





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789D and 789D XQ Off-Highway Truck Air System and Brakes: Brake Hydraulic System Rating: 4.5 Diposkan Oleh: Unknown

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