LINK AS 7Y3560 - Caterpillar

Illustration 1 g00905589
(1) Camshaft gear
(2) Fuel injection pump gear
(3) Crankshaft gear
(4) Idler gear Note: If one or more of the gears need to be removed for repair, refer to the Disassembly and Assembly, "Gear Group (Front) - Remove" topic in order to properly remove the gears. Refer to the Disassembly and Assembly, "Gear Group (Front) - Install" topic in order to properly install the gears.
Inspect the gears for wear or for damage. If the gears are worn or damaged, use new parts for replacement.
Measure the backlash on camshaft gear (1). Refer to the Specifications, "Gear Group (Front)" topic for the backlash measurement.
Measure the backlash on idler gear (4). Refer to the Specifications, "Gear Group (Front)" topic for the backlash measurement.
Measure the backlash on fuel injection pump gear (2). Refer to the Specifications, "Gear Group (Front)" topic for the backlash measurement.
Measure the end play on idler gear (4). Refer to the Specifications, "Gear Group (Front)" topic for the end play measurement.