3524B Engine for Caterpillar Built Machines Flywheel - Remove and Install Caterpillar


Flywheel - Remove and Install
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3524B Engine for Caterpillar Built Machines [RENR2276]
BASIC ENGINE
FLYWHEEL GP
3524B Engine for Caterpillar Built Machines Flywheel - Remove and Install
1.1. Removal Procedure
2.1. Installation Procedure

Removal Procedure

Table 1
Required Tools 
Tool  Part Number  Part Description  Qty 
138-7573  Link Bracket 
N/A  1 × 14 NF Guide bolts 
N/A  5/8 × 11 NC Eyebolts 


NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.


  1. Remove the engine speed sensor.


    Illustration 1g00911678

  2. Install Tooling (A) on flywheel (1) and attach a suitable lifting device. The weight of the flywheel is approximately 167 kg (370 lb).

  3. Remove two bolts (2) on each side of the crankshaft.

  4. Install Tooling (B).

  5. Remove remaining bolts (2).

  6. Remove flywheel (1).

    Use the following procedure if the flywheel is not easily separated from the crankshaft:

    1. Install Tooling (C) in each side of the flywheel.

    2. Use a prybar to remove the flywheel from the crankshaft.

Installation Procedure

Table 2
Required Tools 
Tool  Part Number  Part Description  Qty 
138-7573  Link Bracket 
N/A  1 × 14 NF Guide bolts 
6V-4876  Lubricant 


NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.


  1. Inspect the condition of the flywheel ring gear. Use the following procedure in order to replace the ring gear, if necessary.

    1. Remove the damaged ring from the flywheel.

    2. Heat the new ring gear to a maximum temperature of 316 °C (600 °F).

    3. Install the gear on the flywheel. Ensure that the chamfer of the gear teeth will be toward the pinion of the starting motor.


    Illustration 2g00911678

  2. Install Tooling (B) in the end of the crankshaft.

  3. Install Tooling (A) onto the flywheel. Attach a suitable lifting device. The weight of the flywheel is approximately 167 kg (370 lb).

    Note: Ensure that the mark on the flywheel is aligned with the mark on the crankshaft.

  4. Lift the flywheel into position onto Tooling (B).

  5. Place Tooling (D) on the threads of bolts (2). Install bolts (2).

  6. Remove Tooling (A) and Tooling (B). Install remaining two bolts (2). Tighten all of bolts (2) to a torque of 350 ± 50 N·m (258 ± 37 lb ft). Turn bolts (2) by an additional 180 ± 5 degrees.

    Note: Refer to the Specifications Module, "Flywheel" for more information.

  7. Install the engine speed sensor into the 5/8 threaded hole and turn until the magnetic core makes contact with the side of the flywheel. Back out 180 degrees and tighten the engine speed sensor to a torque of 25 ± 5 N·m (18 ± 4 lb ft). The clearance between the engine speed sensor and the flywheel ring gear is 0.56 to 0.84 mm (0.022 to 0.033 inch).

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