PIN 2J5649 - Caterpillar

Installation Procedure
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g00649386
Note: If Tool (A) was removed, it will be necessary to set the engine to the top center position of the No. 1 cylinder on the compression stroke. Tool (A) must be installed in hole (X) before fuel injection pump gear (2) is installed.
Put fuel injection pump gear (2) in position on the engine. Slide fuel injection pump gear (2) over Tool (A). Tool (A) is located in hole (X) .Note: Fuel injection pump gear (2) will only fit in one position.
Install four bolts (9) that fasten fuel injection pump gear (2) to the engine. Tighten the four bolts to a torque of 28 N m (21 lb ft).
Illustration 2 g00649682
Use a suitable press to install new bushings (8) into idler gear (3) .
Illustration 3 g00649701
Install idler gear hub (7) on the engine. Install idler gear hub (7) with the oil hole in an upward position.
Illustration 4 g00649406
Install idler gear (3) and idler gear retainer plate (4) on the engine.Note: Ensure that the timing marks on idler gear (3) are aligned with the timing marks on camshaft gear (1), crankshaft gear (5), and fuel injection pump gear (2) .
Install three bolts (6) that hold idler gear retainer plate (4) in position. Tighten the bolts to a torque of 44 N m (32 lb ft).
Check the end play of idler gear (3). Refer to the Specifications Module, "Gear Group - Front" topic for the end play dimensions.
Check the backlash between camshaft gear (1) and idler gear (3). Refer to the Specifications Module, "Gear Group - Front" topic for the gear backlash.End By: Install the front cover. Refer to Disassembly and Assembly, "Front Cover - Install".