PUMP-HYD 20R2010 - Caterpillar

Installation Procedure
Table 1
Required Tools
Part Part Number Part Description Qty.
A 309-2793 Load Leveler Gp 1
B 491-2178 Belt Tension Meter 1
Illustration 1 g06255751
Remove the belt guards (12) from the radiator .
Install Tooling (A) and position the radiator.
Illustration 2 g06255746
Install four bolts (10) and eight bolts (11).
Illustration 3 g06255741
Install key (8) into keyway (9).Note: Do not use a hammer to drive the key (8) into the keyway (9).
Illustration 4 g06255352
Illustration 5 g06255358
The taper lock installation screws (5) are provided on the side panel of the radiator and are used only for installation purposes. Screws (5) must be installed on the pulley as shown in Illustration 5 and tightened to open the taper lock hub.Note: Use a straight edge to align the drive line pulley to the fan/idler pulley to be within 10 mm (0.4 inch) axially.
Position and install the pulley assembly (6) on to the shaft (7).
Once the pulley assembly (6) is secured on the shaft (7), screws (5) can be removed. Ensure that the taper lock screws (5) are replaced onto the radiator panel after install.
Illustration 6 g06255349
Install three bolts () in the order below.
Tighten three bolts (4) to a torque of 25 10 N m (221 89 lb in).
Tighten three bolts (4) to a torque of 50 10 N m (37 7 lb ft).
Tighten three bolts (4) to a torque of 115 10 N m (85 7 lb ft).
Illustration 7 g06254400
Install drive line belts (3).
Illustration 8 g06254388
Tension the belts using the idler adjustment screw (2),
Illustration 9 g06254949
Use Tooling (B) to measure the tension of each belt at span 2 shown above.
Refer to the users manual for the belt tensioning device for operating instructions.
Adjust tension of belts (3) to a reading of 63.5 Hz.
Illustration 10 g06254347
Install cover (1).