Improved Air Lines Group Is Now Used on Certain 795F AC Off-Highway Trucks {1071}
- Off-Highway Truck:
- 795F AC (S/N: ERM1-UP)
- 795F XQ (S/N: SNT1-UP)
Description of Change: An Improved air lines group for the inverter pressurization is now used on the machines listed above. The improved air lines group with new mounting plate will provide better clearance to the body and provide extended service life.
Adaptable To: The improved 387-7946 Air Lines Gp is adaptable to machines and effective in production with machines that are listed in Table 1.
Show/hide table
Sales Model     | Adaptable to Machines     | Effective in production with Machines     |
795F AC     | S/N:ERM1-294     | S/N:ERM295-UP     |
795F XQ     | S/N:SNT1-101     | S/N:SNT102-UP     |
Rework Procedure
Show/hide table
Required Parts List     | |||
Item     | Qty     | Part Number     | Description     |
1     | 1     | 314-5508     | Gasket     |
2     | 1     | 452-2383     | Tube As     |
3     | 4     | 8T-4137     | Bolt     |
4     | 4     | 8T-4121     | Hard Washer     |
5     | 2     | 9M-6738     | Hose Clamp     |
6     | 1     | 332-1170     | Plate     |
7     | 2     | 8T-4139     | Bolt     |
8     | 2     | 5P-1076     | Hard Washer     |
9     | 1     | 344-5675     | Nut     |
10     | 2     | 7X-7729     | Washer     |
11     | 1     | 8T-4196     | Bolt     |
- Remove 332-2779 Plate As (A) and clamp assembly (B) from the inverter. Discard the parts along with the gasket mounted in between the plate assembly and the inverter.
Show/hide table
Illustration 1 | g03727358 |
- Remove former 332-1170 Plate (C) and 125-7131 Clip (D). Save clip (D) and discard all other removed hardware.
Show/hide table
Illustration 2 | g03727979 |
- Install new tube assembly (2) with gasket (1) using four bolts (3) and four hard washers (4). Refer to Illustration 3.
Show/hide table
Illustration 3 | g03727980 |
- Cut existing 387-7954 Hose (E) to the sufficient length to attach in the tube assembly (2). Refer to Illustration 4 and Illustration 5.
Show/hide table
Illustration 4 | g03729253 |
Show/hide table
Illustration 5 | g03727984 |
- Secure 387-7954 Hose (E) with tube assembly (2) using hose clamp (5) as shown in Illustration 5.
- Install plate (6) using two bolts (7) and two hard washers (8) .
Show/hide table
Illustration 6 | g03727996 |
- Install 125-7131 Clip (D) that was saved in Step 2 using bolt (11), two washers (10), and Nut (9). Refer to Illustration 6.
- Start the machine, check for proper operation, and ensure that there are no leaks.
Caterpillar Information System:
PL83 and PL87 Pipelayers Belt - Inspect/Replace
950M and 962M Wheel Loaders Power Train, Steering, Braking, Hydraulic, and Machine Systems Brake and Hydraulic Fan Pump and Mounting
826K Landfill Compactor, 825K Soil Compactor and 824K Wheel Dozer Machine Systems Main Control Valve - Remove and Install
785G Off-Highway Truck Systems Rear Axle Housing Support
2014/09/23 The Adjustment Screw Used on C175 Off-Highway Truck Engine Rocker Arm Assemblies Has Been Improved {1123}
950M and 962M Wheel Loaders Power Train, Steering, Braking, Hydraulic, and Machine Systems Torque Converter Filter and Lines
M318F, M320F and M322F Wheeled Excavators Machine System Specifications Boom - 2.0 m (6.43 ft)
422F2, 427F2, 426F2, 428F2, 432F2, 434F2 and 444F2 Backhoe Loaders Hydraulic and Steering System General Information (Steering)
C3.4B Engines Injector Data Incorrect - Test
420F2, 420F2 IT, 420F2 ST, 428F2, 430F2 IT, 430F2 ST, 432F2, 434F2 and 444F2 Backhoe Loaders Parameter - Test
950M and 962M Wheel Loaders Power Train, Steering, Braking, Hydraulic, and Machine Systems Piston Pump (Steering)
PL83 and PL87 Pipelayers Belt - Inspect/Replace
785G Off-Highway Truck Systems Pump and Motor (Final Drive Lubrication)
415F2, 416F2, 420F2, 420F2 IT, 420F2 ST, 430F2 IT and 430F2 ST Backhoe Loaders Hydraulic and Steering System Metering Pump (Steering)
966M and 972M Wheel Loaders Remote Door Opening System - If Equipped
415F2, 416F2, 420F2, 420F2 IT, 420F2 ST, 430F2 IT and 430F2 ST Backhoe Loaders Hydraulic and Steering System Hydraulic System Lockout
Cat® Fleet Onboard v3.x Backup Battery - Test
950M and 962M Wheel Loaders Power Train, Steering, Braking, Hydraulic, and Machine Systems Variable Pitch Fan System
Bench Test Procedure for a 789D Off-Highway Truck Transmission{3030, 3030, 3073} Bench Test Procedure for a 789D Off-Highway Truck Transmission{3030, 3030, 3073}
Thermal Spray Procedures For Motor Grader Brake Housing Seal Bore {0374, 0599, 0679, 4251, 4267} Thermal Spray Procedures For Motor Grader Brake Housing Seal Bore {0374, 0599, 0679, 4251, 4267}
PL83 and PL87 Pipelayers Engine Supplement Piston Motor (Hydraulic Fan) - Disassemble
785G Off-Highway Truck Systems Solenoid Valve - Mounting
D8T TRACK-TYPE TRACTORS Machine Systems Liquid Level Sensor (Power Train Oil)
2014/09/23 Special Instruction, REHS7995, "Procedure to Inspect and Repair the Center Section Frame on Certain 793F Off-Highway Trucks" has Been Updated {0679, 7051}