BREATHER 9G5127 - Caterpillar

Assembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1P-0510 Driver Group 1
B 138-9299(1) Oil Seal Tool 1
488-2672(2) Oil Seal Tool 1
D 139-0088(1) Seal Installer 1
FT-3171(2) Seal Installer 1
F 169-5464 Quick Cure Primer -
(1) Use with a 19.1 mm (0.75 inch) shaft
(2) Use with a 25.4 mm (1.00 inch) shaft
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g01163722
Use Tooling (F) to clean shaft (10) and the counterbore for oil seal (5) in housing (4).
Use Tooling (A) to install a new oil seal (5) in housing (4). Install the seal with the part number on the metal face of the seal toward the housing. Ensure that the oil seal is flush with the front edge of the counterbore of the housing. Do not lubricate the oil seal.
Install bearing cone (6) on shaft (10).
Position bearing retainer (8) with “this side out” markings toward the gear end of shaft (10). Install gear (15). Install washer (12) and bolt (13) on shaft (10). Tighten bolt (13) to a torque of 215 40 N m (159 30 lb ft).
Slide Tooling (B) over shaft (10). The tapered edge will be facing outward.
Install the gear and shaft assembly into housing (4). Use care not to damage the oil seal. Install bolts (14) that hold bearing retainer (8) to the housing.
Remove Tooling (B) from shaft (10).
Use Tooling (D) and a suitable press to install a new seal (2) over shaft (10) and into housing (4). Ensure that the outer shell of the seal is fully seated in the housing.
Position impeller (3) on shaft (10). Install washer (9) and bolt (11). Tighten the bolt to a torque of 39 3 N m (29 2 lb ft).
Install a new O-ring seal on the outside of adapter (1). Lightly lubricate the seal with clean engine oil.
Install a new O-ring seal (7) on adapter (1).
Position adapter (1) on housing (4).
Install a new O-ring seal (16) in housing (4).End By:
Install the water pump.