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HUB E 2 1/4 BR 1C4112 - Caterpillar



1C4112 HUB E 2 1/4 BR Caterpillar parts HUB
Rating:
26
Alternative (cross code) number:
CA1C4112
1C-4112
1C4112
Caterpillar 1C4112 HUB E 2 1/4 BR
Weight: 3 pounds 1 kg.

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Information:

1. Remove nuts (1), cover (2), and the gasket. 2. Put No. 1 piston at the top center compression position (TC) with the following procedure.a. Remove plug (3), two bolts and cover (2) from the flywheel housing. b. Install Tool (B) in the flywheel housing. Use Tool (B) to slowly rotate the engine in the direction of normal rotation, (counterclockwise as seen from the flywheel end of the engine), until timing bolt (4) can be installed in the flywheel housing and into the hole in the flywheel. c. Remove the valve cover from the valve cover base. Check to see if both rocker arms (5) for the No. 1 cylinder can be moved backward and forward. The No. 1 piston is at the top center compression position (TC) when the timing bolt is installed in the flywheel and both rocker arms for the No. 1 cylinder can be moved backward and forward. If both rocker arms cannot be moved, the No. 1 piston is not at the top center compression position (TC). Remove the timing bolt from the flywheel and rotate the engine in the direction of normal rotation, (counterclockwise as seen from the flywheel end of the engine one full turn 360 degrees, and install the timing bolt again.3. Remove the timing bolt, and use Tool (B) to rotate the engine in the opposite direction of normal rotation (clockwise as seen from the flywheel end of the engine) a minimum of 30 degrees . The timing is correct if Tool (A) and the timing bolt can be installed at the same time. The timing procedure in Systems Operation, Testing & Adjustment Manual must be done again if the time bolt and Tool (A) can not be installed at the same time.4. Remove the plug from the timing pin hole in the fuel injection pump housing. Install Tool (A) in the fuel injection pump housing as shown. Slowly rotate the crankshaft counterclockwise (as seen from the flywheel end of the engine) until Tool (A) goes into the slot in the fuel pump camshaft.
Too much pressure on the timing pin can damage the fuel injection pump or the timing pin.
5. Put the timing bolt in the timing hole in the flywheel housing. Rotate the crankshaft counterclockwise (as seen from the flywheel end of the engine) until the fuel pump camshaft is tight against Tool (A). This removes gear clearance from the drive train. If the bolt can be installed in the timing hole in the flywheel, the timing of the fuel injection is correct. 6. Remove bolts (6) and automatic timing advance (7). 7. Remove gear (9) from fuel injection pump camshaft (8). The following steps are for the installation procedure. 8. Install gear (9) on fuel injection pump camshaft (8). 9. Install two 3/8 in-16 NC x 6 in (152.4 mm) long guide bolts(10). Space the guide bolts evenly.
There is a light spring located beneath the flyweight cover (12). Hold cover (12) while removing last nut (11).


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