PUMP GP-AUXILIARY 5N2605 - Caterpillar

Illustration 1 g00907030
Remove cover (1) and the O-ring seal.
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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 to remove the bearing from the idler gear, if necessary.
Illustration 4 g00907145
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
Table 2
Required Tools
Tool Part Number Part Description Qty
B 138-7573 Link Bracket 2
C 1P-0520 Driver Group 1
D - Guide Bolt (5/8x11 NC) 2
F - Loctite Flange Sealant 5900 -
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 5 g03896709
Install O-ring seals (9) on the dowel.Note: If the dowels need to be replaced, the installed height is 6.0 0.5 mm (0.24 0.02 inch).
Install the gasket for the front drive housing onto the cylinder block. Apply Tooling (F) to both sides of all the gasket joints immediately prior to installation of front drive housing (4). Install Tooling (D) into the cylinder block.Note: Tooling (F) should span the entire abutment of the gasket joints and be worked into any gaps.
Illustration 6 g00907145
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 7 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 8 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 9 g00907030
Install cover (1) onto the front drive housing.End By:
Install the auxiliary water pump. Refer to Disassembly and Assembly, "Auxiliary Water Pump - Install".
Install the engine oil and water pump drive. Refer to Disassembly and Assembly, "Engine Oil and Water Pump Drive - Install".
Install the accessory drive (front). Refer to Disassembly and Assembly, "Accessory Drive (Front) -