ACCUMULATOR 4703802 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 8H-0663 Bearing Puller 1
5F-7345 Puller 1
126-7183 Crossblock 1
126-7177 Puller Leg 2 Start By:
Remove the front housing. Refer to Disassembly and Assembly, "Housing (Front) - Remove".
If the engine is equipped with a balancer, remove the balancer. Refer to Disassembly and Assembly, "Balancer - Remove". If the engine is not equipped with a balancer, remove the engine oil pump. Refer to Disassembly and Assembly, "Engine Oil Pump - Remove and Install".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Note: The crankshaft gear may be a sliding fit on the crankshaft or an interference fit on the crankshaft.
Illustration 1 g01367358
Typical example
Illustration 2 g01270549
Typical example
If the crankshaft gear is a sliding fit on the crankshaft, remove crankshaft gear (1) from crankshaft (2). If the crankshaft gear is an interference fit on the crankshaft, use Tooling (A) in order to remove crankshaft gear (1) from crankshaft (2).
If necessary, remove key (3) from crankshaft (2). Note: Do not remove the key from the crankshaft unless the key is damaged.Installation Procedure
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Ensure that all components are clean and free from wear or damage. If necessary, replace any components that are worn or damaged.
Illustration 3 g01367359
Typical example
If necessary, install a new key (3) to crankshaft (2). Note: The crankshaft gear may be a sliding fit on the crankshaft or an interference fit on the crankshaft.
Hot parts or hot components can cause burns or personal injury. Do not allow hot parts or components to contact your skin. Use protective clothing or protective equipment to protect your skin.
If the crankshaft gear is a sliding fit on the crankshaft, align the keyway in crankshaft gear (1) with key (3) in the crankshaft. Install crankshaft gear (1) to crankshaft (2). If the crankshaft gear is an interference fit on the crankshaft, heat crankshaft gear (1) in an oven to 150° 50°C (302° 90°F). Align the keyway in crankshaft gear (1) with key (3) in the crankshaft. Install crankshaft gear (1) to crankshaft (2).Ensure that shoulder (4) on crankshaft gear (1) is toward the front of the engine.End By:
Install the front housing. Refer to Disassembly and Assembly, "Housing (Front) - Install".
If the engine is equipped with a balancer, install the balancer. Refer to Disassembly and Assembly, "Balancer - Install". If the engine is not equipped with a balancer, install the engine oil pump. Refer to Disassembly and Assembly, "Engine Oil Pump - Remove and Install".