140M and 150 Motor Graders Engine Supplement Aftercooler - Install Caterpillar


Aftercooler - Install
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1.1. Installation Procedure

Installation Procedure

Table 1
Required Tools 
Tool  Part Number  Part Description  Qty 
140-7742  Sleeve 
138-7573  Link Bracket 

Note: Cleanliness is an important factor. Before you begin the installation procedure, the exterior of the components should be thoroughly cleaned. This will help to prevent dirt from entering the internal mechanism.

Note: Check the O-ring seals, the gaskets, and the seals for wear or for damage. Replace the components, if necessary.



    Illustration 1g01410357


    Illustration 2g01410576

  1. Attach Tooling (B) and a suitable lifting device to aftercooler (17). Install aftercooler (17). The weight of aftercooler (17) is approximately 18 kg (40 lb). Install bolts (18).


    Illustration 3g01410339

  2. Install hose (14). Tighten the clamp on hose (14) to a torque of 12 ± 1 N·m (106 ± 9 lb in). Install bolt (15).

  3. Repeat Step 2 for the other side. Install plate (16).


    Illustration 4g01410321

  4. Position core assembly (10). Install bolts (11). Install bolt (12).

  5. Repeat Step 4 for the other side. Install plate (13).


    Illustration 5g01410179

  6. Use a suitable lifting device and Tooling (A) in order to support bracket assembly (6). Install bracket (8). Install bracket assembly (6) and bolts (7). Install bolts (9).


    Illustration 6g01410066

  7. Install hose (4). Tighten the clamp on hose (4) to a torque of 12 ± 1 N·m (106 ± 9 lb in). Install bolts (5).

  8. Repeat Step 7 for the other side.


    Illustration 7g01410062

  9. Position bracket assembly (3). Install bolt (1). Install bolts (2).

End By:

  1. Install the hydraulic oil cooler. Refer to Disassembly and Assembly, "Hydraulic Oil Cooler - Remove and Install".

  2. Install the engine enclosure. Refer to Disassembly and Assembly, "Engine enclosure - Remove and Install".

Information System:

3176C Engine for the R1600G and the R1700G Load Haul Dumps Engine Top Speed Is Not Obtained
3176C, 3406E and 3456 Industrial Engines Engine Shutdown Is Intermittent
CP76 and CS76 Vibratory Compactors Propel System Neutral Start Switch - Test and Adjust
3176C Engine for the R1600G and the R1700G Load Haul Dumps Engine Misfires, Runs Rough or Is Unstable
CP76 and CS76 Vibratory Compactors Propel System Pump Control (Manual Displacement Control) Neutral (Axle Propel) - Test and Adjust
3176C, 3406E and 3456 Industrial Engines Engine Cranks but Does Not Start
CS56, CS64, CS74, CS76, CP56, CP64, CP74 and CP76 Vibratory Soil Compactors Engine and Machine Warm-Up
Supplemental Parts Information for the USN Seabee AP655C{1000, 7000}
3176C Engine for the R1600G and the R1700G Load Haul Dumps Coolant Temperature Is High
CP76 and CS76 Vibratory Compactors Propel System Pump Control (Manual Displacement Control) Neutral (Drum Propel) - Test and Adjust
3176C Engine for the R1600G and the R1700G Load Haul Dumps Acceleration Is Poor or Throttle Response Is Poor
CAESultra v3.2 Software Installation{7604, 7620}
R1600G Load Haul Dump Braking System Brake Disc Wear - Check
R1600G Load Haul Dump Braking System Parking Brake - Manual Release
R1600G Load Haul Dump Machine Systems Steering Cylinder - Remove
R1600G Load Haul Dump Machine Systems Main Control Valve - Remove
R1600G Load Haul Dump Machine Systems Main Control Valve - Install
R1600G Load Haul Dump Machine Systems Tilt Lever and Tilt Link - Remove
R1600G Load Haul Dump Machine Systems Tilt Lever and Tilt Link - Install
2007/09/24 An Improved Fuse and ARC Suppressor is Now Used in the Axle Oil Cooler Wiring Harness {1365, 1408}
140H and 160H Motor Graders Changing Direction and Speed
3176C Engine for the R1600G and the R1700G Load Haul Dumps Oil Pressure Is Low
3176C Engine for the R1600G and the R1700G Load Haul Dumps Power Is Intermittently Low or Power Cutout Is Intermittent
3176C Engine for the R1600G and the R1700G Load Haul Dumps Speed Control (Remote Throttle) - Test