GEAR 4N2514 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A - Loctite 121078 - Start By:
Remove auxiliary water pump
Remove engine oil filter base
Illustration 1 g06054802
Remove bolts (1) and fumes disposal cover (2).
Illustration 2 g06054824
Disconnect harness assembly (5) and position out of the way. Remove bolt (4) and remove crankshaft speed sensor (3).
Illustration 3 g06054845
Remove bolts (6). Remove spacer (7) and timing wheel (8).Note: Make index marks on camshaft gear (9), idler gear (12), and the fuel injection pump drive gear to aid in installation.
Illustration 4 g06054855
Remove bolts (10). Remove sealing plate (11) and camshaft gear (9).
Illustration 5 g06054958
Remove bolts (13). Remove washer (14) and gear (12).
Illustration 6 g06054951
Remove screws (15) and remove adapter (16).
Illustration 7 g06055056
Remove gasket (17) from adapter (16).
Illustration 8 g06055069
Remove O-ring (18) from adapter (16).Installation Procedure
Install camshaft gear (9) in the reverse order of removal.
Lubricate O-ring (18) with oil being sealed.
Tighten bolts (15) to a torque of 25 3 N m (221 27 lb in).
Apply clean engine oil to bolts (13). Tighten bolts (13) to a torque of 30 2 N m (266 18 lb in) then turn an extra 90 degrees 5 degrees.
Tighten bolts (10) to a torque of 60 3 N m (44 2 lb ft) then turn an extra 60 degrees 6 degrees.
Align camshaft timing wheel (8). Refer to Troubleshooting, "Engine Speed/Timing Sensor - Calibrate".
Check backlash of camshaft gear (9). Refer to Testing and Adjusting, "Rear Gear Group - Time".
Apply Tooling (A) to bolts (6). Tighten bolts (6) to a preliminary torque of 10 1 N m (89 9 lb in). Then tighten to a final torque of 29 4 N m (257 35 lb in).
Tighten bolt (4) to a torque of 10 1 N m (89 9 lb in).
Illustration 9 g06060602
Tighten bolts (1) in the numerical sequence shown in illustration 9 to a torque of 10 1 N m (89 9 lb in).