SEAL KIT (COMPLETE BRAKE VALVE) 1717272 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1P-0074 Slide Hammer Puller 1
8B-7557 Threaded Adapter 1
B 138-7573 Link Bracket 2
C 1P-0520 Driver Group 1
D - Guide Bolt
3/8×16 NC 2 Start By:
If equipped, remove the fan drive (hydraulic).
Remove the crankshaft front seal and the wear sleeve.
Remove the accessory drive (front).
Remove the engine trunnion.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g00907030
Remove cover (1) and the O-ring seal.
Illustration 2 g00907040
Remove the bolts that hold shaft (2) in the front drive housing. Use Tooling (A) to remove shaft (2). Remove the O-ring seal from shaft (2).
Illustration 3 g00907098
Remove the bolts that hold shaft (3) in the front drive housing. Use Tooling (A) to remove shaft (3), the idler gear, and the washer. Remove the O-ring seal from shaft (3).
Use Tooling (C) and a suitable press in order to remove the bearing from the idler gear, if necessary.
Illustration 4 g06186934
Install Tooling (B) and attach a suitable lifting device to front drive housing (4). The weight of front drive housing (4) is approximately 209 kg (460 lb). Remove two bolts and install Tooling (D). Remove the rest of the bolts that hold front drive housing (4) to the cylinder block. Remove front drive housing (4) and the gasket.Installation Procedure
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Install the gasket for the front drive housing onto the cylinder block. Install Tooling (D) into the cylinder block.
Illustration 5 g06186934
Install Tooling (B) and attach a suitable lifting device to front drive housing (4). The weight of front drive housing (4) is approximately 209 kg (460 lb). Position front drive housing (4) onto Tooling (D).
Install the bolts that attach front drive housing (4) to the cylinder block. Tighten the bolts evenly. Cut any excess gasket from the face of the cylinder block.
Illustration 6 g00907120
If the bearing was removed from gear (6), use Tooling (C) to install the bearing.After the bearing is installed, measure the bore of the bearing. The bore of the bearing must be 90.0 0.06 mm (3.54 0.002 inch).
Coat the bore for O-ring seal (8) with clean engine oil. Install the O-ring seal on shaft (3).
Place washer (7) and gear (6) into position in the front drive housing. Install shaft (3). Install the bolts for shaft (3).
Illustration 7 g00907040
Coat the bore for the O-ring seal of shaft (2) with clean engine oil. Install the O-ring seal onto shaft (2).
Place shaft (2) into position in the front drive housing. Install the bolts for shaft (2).
Illustration 8 g00907030
Install cover (1) onto the front drive housing.End By:
Install the engine trunnion.
Install the accessory drive (front).
Install the crankshaft front seal and the wear sleeve.
If equipped, install the fan drive (hydraulic).