446D Backhoe Loader Engine Supplement Caterpillar


Crankshaft Pulley - Remove and Install

Usage:

446D DBL

Removal Procedure

Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     6V-3010     Puller Gp     1    
8T-0643 Bolts     2    
6V-5839 Washers     2    

Start By:

  1. Remove the side panel. Refer to Disassembly and Assembly, "Side Panel - Remove and Install".
  2. Remove the pump drive. Refer to Disassembly and Assembly, "Pump Drive - Remove and Install".



    Illustration 1g01086632

  1. Loosen bolts (1) and (3) in order to release tension on belts (2) .

  1. Remove V-belts (2) from the crankshaft pulley.



    Illustration 2g01086634

  1. Loosen bolts (5) in order to release tension on belt (4) .

  1. Remove V-belt (4) from the crankshaft pulley.



    Illustration 3g01086660

  1. Loosen bolt (9). Use hole (6) in order to release tensioner (7). Remove V-belt (8) from the crankshaft pulley.

  1. Remove bolts (10). Remove crankshaft pulley (11) .



    Illustration 4g01086666

  1. Remove bolts (12). Remove washer (13) from damper (14) .



    Illustration 5g01086683

  1. Install Tooling (A). Remove damper (14) .

Installation Procedure




    Illustration 6g01086666

  1. Install damper (14) onto the crankshaft.

    Note: Damper (14) must engage the keyway on the crankshaft.

  1. Install washer (13) and bolts (12). Tighten bolts (12) to a torque of 160 ± 30 N·m (118 ± 22 lb ft).



    Illustration 7g01086660

  1. Install pulley (11). Secure crankshaft pulley (11) with bolts (10) .

  1. Install V-belt (8). Use hole (6) in order to apply tension to V-belt (8). Hole (6) will move tensioner (7). Refer to Operation and Maintenance Manual, "Belt - Inspect/Adjust/Replace" for more information. Tighten bolt (9) .



    Illustration 8g01086634

  1. Install V-belt (4). Apply tension to V-belt (4). Tighten bolts (5) .



    Illustration 9g01086632

  1. Install V-belts (2). Apply tension to V-belt (2). Tighten bolts (3) and (1) .

End By:

  1. Install the pump drive. Refer to Disassembly and Assembly, "Pump Drive - Remove and Install".
  2. Install the side panel. Refer to Disassembly and Assembly, "Side Panel - Remove and Install".

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