777D Off-Highway Truck FKR00001-UP (MACHINE) POWERED BY 3508B Engine(SEBP4975 - 18) - Documentation
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Product: TRUCK
Model: 777D TRUCK FKR
Configuration: 777D Off-Highway Truck FKR00001-UP (MACHINE)
POWERED BY 3508B Engine
Systems Operation
777D Off-Highway Truck Air System and Brakes
Media Number -RENR8430-01
Publication Date -01/03/2007
Date Updated -23/03/2007
i02643646
Air System
SMCS - 4250-AI
Schematic
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777D Off-Highway Truck FKR00001-UP (MACHINE) POWERED BY 3508B Engine(SEBP4975 - 18) - Documentation
Illustration 1
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g01346911
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777D Off-Highway Truck FKR00001-UP (MACHINE) POWERED BY 3508B Engine(SEBP4975 - 18) - Documentation
Page 3
(1) Air compressor
(2) Air compressor governor
(3) Air dryer
(4) Drain valve
(5) Air tank for the service brakes and the retarder
(6) Relief valve
(7) Check valve
(8) Brake air pressure sensor
(9) Brake valve
(10) Double check valves
(11) Diverter valve
(12) Service brake air control valve
(13) Manual retarder pressure switch
(14) Retarder air control valve
(15) Brake air relay valve
(16) Double check valve
(17) Air/hydraulic cylinder (front)
(18) Air/hydraulic cylinder (rear)
(19) Pressure switch for the service brakes and the retarder
(20) Stop lamp air pressure switch
(21) Front brake air control valve
(22) Air ratio valve (front brake)
(23) Brake air relay valve (rear brakes)
(24) Air system pressure protection valve
(25) Air horn solenoid valve
(26) Check valve
(27) Parking and secondary brake air tank
(28) Secondary brake inverter valve
(29) Secondary brake air control valve
(30) Air control valve for the parking brake
(31) Pressure switch for the parking brake and the secondary brake
(32) Parking and secondary brake valve
(33) One-way check valve for the air start (attachment)
(34) Pressure protection valve for the brake air system
(35) Brake air relay valve for the Automatic Retarder Control (if equipped)
(36) Double check valve
(37) Automatic Retarder Control (ARC) valve (attachment)
(38) Pressure switch for the Automatic Retarder Control (ARC)
(39) These lines are removed when the Automatic Retarder Control (ARC) is installed. Pressure switch (13) is also removed.
(40) Parking brake reset valve
(41) Air suspension seat
(A) Standard air lines
(B)Airlinesforattachments
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777D Off-Highway Truck FKR00001-UP (MACHINE) POWERED BY 3508B Engine(SEBP4975 - 18) - Documentation
Illustration 2
Page 4
g01347938
(30) Air control valve for the parking brake
(40) Parkingbrakeresetvalve
Illustration 3
g00996622
Illustration 4
g00648911
(14) Retarderaircontrolvalve
Illustration 5
g00648912
(21) Frontbrakeaircontrolvalve
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777D Off-Highway Truck FKR00001-UP (MACHINE) POWERED BY 3508B Engine(SEBP4975 - 18) - Documentation
Illustration 6
Page 5
g00648412
(19) Pressure switch for the service brake and retarder
(20) Stop lamp air pressure switch
(26) Check valve
(27) Parkingandsecondary
brakeairtank
Illustration 7
g00648413
(25) Air horn solenoid
(27) Parking and secondary brake air tank
(28) Secondary
brakeinvertervalve
Illustration 8
g00648414
(8) Brake air pressure sensor
(22) Air ratio valve (front brake)
(24) Air system pressure protection valve
(31) Parkingandsecondary
brakepressureswitch
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777D Off-Highway Truck FKR00001-UP (MACHINE) POWERED BY 3508B Engine(SEBP4975 - 18) - Documentation
Illustration 9
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g00648416
(12) Service brake air control valve
(29) Secondary
brakeaircontrolvalve
Illustration 10
g01347976
(13) Manual retarder pressure switch
(37) Automatic Retarder Control (ARC) valve (attachment)
(38) Automatic
RetarderControlpressureswitch
Illustration 11
g00997552
(1) Air compressor
(2)Aircompressor
governor
Illustration 12
g00648728
(18) Air/hydrauliccylinder(rear)
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777D Off-Highway Truck FKR00001-UP (MACHINE) POWERED BY 3508B Engine(SEBP4975 - 18) - Documentation
Illustration 13
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g01346949
(9) Brake valve
(10) Doublecheckvalve
Illustration 14
g01346952
(9) Brake valve
(10) Double check valve
(11) Diverter valve
(15) Brake air relay valve
(16) Double check valve
(23) Brake air relay valve (rear brakes)
(32) Parking and secondary brake valve
(43) Pressure protection valve for the brake air system
(44) Brake air relay valve (ARC)
(45) Doublecheckvalve
Illustration 15
g01055306
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777D Off-Highway Truck FKR00001-UP (MACHINE) POWERED BY 3508B Engine(SEBP4975 - 18) - Documentation
Page 8
Left Side View of the Air Tank for the Service Brake and Retarder
(3) Air dryer
(5) Air tank for the service brake and retarder
(17) Air/hydrauliccylinder(front)
Illustration 16
g01057233
Left Side View of the Air Tank for the Service Brake and Retarder
(4) Drain valve
(5) Air tank for the service brake and retarder
(6)Reliefvalve
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