C7.1 Industrial Engine Finding Top Center Position for No. 1 Piston Caterpillar

Finding Top Center Position for No. 1 Piston

Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
(1)     9U-6198     Crankshaft Turning Tool     1    
(2)     5P-7306     Housing     1    
5P-7305 Engine Turning Tool     1    
B     230-6284     Timing Pin (Camshaft)     1    
C     136-4632     Timing Pin (Crankshaft)     1    
268-1966 Adaptor     1    
( 1 ) The Crankshaft Turning Tool is used on the front pulley.
( 2 ) This Tool is used in the aperture for the electric starting motor.

Note: Either Tooling (A) can be used. Use the Tooling that is most suitable.

  1. Remove the front cover. Refer to Disassembly and Assembly, "Front Cover - Remove and Install".

    Illustration 1g01907734

    Typical example

    Illustration 2g01907735

    Typical example

  1. Use Tooling (A) in order to rotate the crankshaft until the Hole (X) in the camshaft gear (1) aligns with the hole in the front housing. Refer to illustration 1. Remove the plug (2) from the cylinder block. Install Tooling (C) into the Hole (Y) in the cylinder block. Use Tooling (C) in order to lock the crankshaft in the correct position.

    Note: Do not use excessive force to install Tooling (C) . Do not use Tooling (C) to hold the crankshaft during repairs.

  1. Install Tooling (B) through the hole (X) in the camshaft gear (1) into the front housing. Use Tooling (B) in order to lock the camshaft in the correct position.