CUP 5P4540 - Caterpillar

Table 1
Tools Needed Quantity
279-3473 Barring Gp 1
Illustration 1 g01314065
(1) 279-3473 Barring Gp
Illustration 2 g01314180
(2) 269-0550 Timing Pin Assembly
(3) Plug
(4) Pin locations
(5) Slot in flywheel for timing pin
Remove plug (3) from the top of the flywheel housing.
Remove 269-0550 Timing Pin Assembly (2) from one of pin locations (4) at the top of the flywheel housing . 269-0550 Timing Pin Assembly is marked with the letter "F" on the bolt head.
Put 269-0550 Timing Pin Assembly (2) through the timing hole in the flywheel housing. Use 279-3473 Barring Gp (1) and a ratchet wrench with a 34 mm socket in order to turn the flywheel in the direction of normal engine rotation. Turn the flywheel until the timing pin assembly will fall into slot (5) in the flywheel. Note: If the flywheel is turned beyond the point of engagement, the flywheel must be turned in the direction that is opposite of normal engine rotation. Turn the flywheel by approximately 30 degrees. Then turn the flywheel in the direction of normal engine rotation until the timing bolt engages with the threaded hole. This procedure will remove the play from the gears when the No. 1 piston is on the top center.
Remove the valve cover for the No. 1 cylinder head.
The inlet and exhaust valves for the No. 1 cylinder are fully closed if the No. 1 piston is on the compression stroke and the rocker arms can be moved by hand. If the rocker arms cannot be moved and the valves are slightly open, the No. 1 piston is on the exhaust stroke. Find the cylinders that need to be checked or adjusted for the stroke position of the crankshaft after the timing bolt has been installed in the flywheel. Refer to Testing and Adjusting, "Crankshaft Position for Fuel Injector Adjustment and Valve Lash Setting". Note: When the actual stroke position is identified and the other stroke position is needed, remove the timing bolt from the flywheel. Turn the flywheel by 360 degrees in the direction of normal engine rotation.