The Assembly Process for the Front Axle Mount is Now Improved {3258, 3260}
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2009/06/01
[SEPD0994]
2009/06/01
Correction to System Operation Testing and Adjusting , "Piston Pump (Hydraulic Fan) Pressure - Test and Adjust" {5070}
2009/06/01
Correction to Disassembly and Assembly , "Differential and Bevel Gear (Front) - Install" {3256, 3258}
POWER TRAIN
AXLE GP
2009/06/01
The Assembly Process for the Front Axle Mount is Now Improved {3258, 3260}
- Underground Articulated Truck:
- AD55 (S/N: ANW1-UP; DNW1-UP)
- AD55B (S/N: JNW1-141)
Description of Change: Thread lock compound is now applied to each bolt before assembly. The thread lock compound will prevent the bolts from loosening.
Adaptable To: Use the following procedure for the affected machines. Refer to Table 1.
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Affected Machines     | ||
Model     | Affected Serial Numbers     | Effective Serial Numbers     |
AD55     | S/N:ANW1-UP     |     |
S/N:DNW1-UP |     | |
S/N:JNW1-141 |     | |
AD55B     |     | S/N:JNW142-UP     |
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Parts Required     | ||
---|---|---|
Qty     | Part Number     | Part Description     |
4     | 152-1351     | Bolt     |
4     | 8C-3236     | Bolt     |
4     | 8T-1583     | Nut     |
4     | 8T-5065     | Locknut     |
12     | 9X-8399     | Washer     |
Note: Cleanliness is an important factor. Before you begin the removal procedure, the exterior of the components should be thoroughly cleaned.
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Illustration 1 | g01934453 |
(1) Mount (2) 8T-5065 Locknut (3) 152-1351 Bolt (4) 8C-3236 Bolt |
- Apply 169-5464 Quick Cure Primer and then apply 155-0695 Thread Lock Compound to the threads of four bolts (3) and four bolts (4). Install four bolts (3) and four bolts (4). Tighten four bolts (3) and four bolts (4) to a torque of 1800 ± 200 N·m (1330 ± 150 lb ft).
- Install four locknuts (2) and tighten to a torque of 850 ± 100 N·m (625 ± 75 lb ft).
Information System:
2009/10/01
New Turbochargers and New Heatshields are Now Used {1052, 1067, 1073}
D5R Track-Type Tractor
Ripper Does Not Function
D6T Track-Type Tractor Hydraulic System
Piston Pump (Implement)
C9.3 Engines for Caterpillar Built Machines
Turbocharger - Remove and Install - Cooled by Coolant
3512C and 3516C Marine Auxiliary and Generator Set Engines
Rotating Rectifier - Check
973K Track-Type Loader Systems
Piston Pump (Implement)
973 K Track-Type Loaders
Control Valve (Bucket Lift)
C9.3 Tier 4 Final Engines
Cooling System
973D Track-Type Loader
Engine Valve Lash - Check
Repair and Reinforcement of the Rear Frame for the 988G and 988H Machines in Special Applications{7051}
C9.3 Tier 4 Final Engines
Basic Engine
973D Track-Type Loader Hydraulic System
Lift Circuit
2009/06/15
Improved Routing of the Harness Enhances Reliability {1408, 5063, 5705}
D5R Track-Type Tractor
Connector Contact Description
C4.2 and C6.4 Engines for Caterpillar Built Machines
Engine Valve Lash - Inspect/Adjust
C9.3 Engines for Caterpillar Built Machines
Water Temperature Regulator - Remove and Install
973 K Track-Type Loaders
Control Valve (Bucket Tilt)
973 K Track-Type Loaders
Control Valve (Multipurpose Bucket)
973D Track-Type Loader
Engine Starting with Jump Start Cables
2009/06/01
Correction to Disassembly and Assembly , "Differential and Bevel Gear (Front) - Install" {3256, 3258}
973 K Track-Type Loaders
Control Valve (Ripper)
973 K Track-Type Loaders
Hydraulic Manifold (Bank Valve Outlet)
D6T Track-Type Tractor Hydraulic System
Piston Pump (Fan Drive)
2009/06/08
An Improved Hydraulic Hose Assembly With Improved Routing Is Now Used For the Head End Of the Hydraulic cylinders On the Ripper {5057, 5352, 6310}