PLATE 4636157 - Caterpillar

Removal Procedure
Start By:
Remove the crankshaft. Refer to Disassembly and Assembly, "Crankshaft - Remove" for the correct procedure.
Illustration 1 g02649077
Place crankshaft assembly (1) on a suitable stand. Ensure that crankshaft timing ring (3) is not damaged.
Use a suitable tool in order to apply heat evenly around the diameter of the balancer drive gear (2). Ensure that heating is performed without causing any discoloration to either crankshaft assembly (1) or crankshaft balancer gear (2).
Use a suitable tool in order to remove the balancer drive gear (2) from crankshaft assembly (1). Note: Ensure that the bearing surfaces or the crankshaft timing ring are not damaged as the balancer drive gear is removed.Installation Procedure
Ensure that all components are clean and free from wear and damage. If necessary, replace any components that are worn or damaged.
Illustration 2 g02649080
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.
Position the crankshaft (1) in a suitable stand with the crankshaft in the vertical position.
Heat a new balancer drive gear (2) in an oven to 150° 50°C (302° 90°F) for 1 hour.
Ensure that the balancer drive gear serial number (4) is facing upward position.
Position the balancer drive gear (2) onto the crankshaft (1) ensure that the balancer drive gear is correctly seated onto machined surface (5). Note: Take care when manipulating the balancer drive gear over the crankshaft not to damage or scratch the crankshaft bearing surfaces.End By:
Install the crankshaft. Refer to Disassembly and Assembly, "Crankshaft - Remove" for the correct procedure.