HANDRAIL GP 4495681 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 439-3938 Link Bracket 1
B 5J-0490 Bolt 2
C - Guide Stud
1/2 - 13 UNC by 5 inch 2
Hot oil and components can cause personal injury.Do not allow hot oil or components to contact the skin.Be sure that the engine and components are cool enough to touch with your bare hand prior to performing any service work.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat products.Dispose of all fluids according to local regulations and mandates.
Illustration 1 g01303921
Remove the bolts that hold flange (2) and spacer (1) to engine oil pump (4). Remove spacer (1).
Remove flange (2).
Remove the bolts that hold tee (3) to engine oil pump (4). Remove the O-ring seal from tee (3).
Attach Tooling (A) and a suitable lifting device to engine oil pump (4). The weight of engine oil pump (4) is approximately 104 kg (230 lb).
Remove the bolts that hold engine oil pump (4) to the front housing.
Install Tooling (B) in engine oil pump (4). Tighten Tooling (B) evenly and remove engine oil pump (4).
Remove the O-ring seals from the front housing.
Remove the O-ring seal from the engine oil pump. Installation Procedure
Illustration 2 g01303921
Install the O-ring seals on the front housing and the engine oil pump. Apply clean engine oil to the O-ring seals.
Install Tooling (C) in the front housing.
Attach a suitable lifting device to engine oil pump (4). The weight of engine oil pump (4) is approximately 104 kg (230 lb).
Align the gears that are on the engine oil pump with the gears that are in the front housing. Install engine oil pump (4) on Tooling (C).
Install the bolts that hold the engine oil pump in place. Note: Lightly lubricate the flange bore with engine oil.
Install flange (2). Place spacer (1) in position. Install the bolts that hold flange (2) and spacer (1) to engine oil pump (4).
The oil pump must have an external oil supply to the bearings before the pump is run. Lubricate the pump with oil. The pump must rotate freely by hand.
Fill the engine oil pump with clean engine oil.
Install a new O-ring seal in tee (3) and install the bolts that hold tee (3) to engine oil pump (4).