C1.5 and C2.2 Generator Set Engines Caterpillar

Removal Procedure

Start By:

1. Remove the lifters. Refer to Disassembly and Assembly, "Lifter Group - Remove and Install".
2. Remove the fuel injection pump. Refer to Disassembly and Assembly, "Fuel Injection Pump - Remove".
3. Remove the fuel transfer pump. Refer to Disassembly and Assembly, "Fuel Transfer Pump - Remove".
4. Remove the front housing. Refer to Disassembly and Assembly, "Housing (Front) - Remove".

Show/hide table



Illustration 1	g01201592
Typical example

1. Remove slider (1) from camshaft gear (4) .

2. Rotate the crankshaft until timing marks (2) on the following components are aligned.

   Note: The No. 1 cylinder is at the top center position when these marks are in alignment. Refer to Illustration 1.

   • Camshaft gear (4)

   • Idler gear (5)

   • Crankshaft gear (3)

Show/hide table



Illustration 2	g01201596
Typical example

Show/hide table

Personal injury can result from parts and/or covers under spring pressure. Spring force will be released when covers are removed. Be prepared to hold spring loaded covers as the bolts are loosened.

3. Remove retaining ring (13) that retains idler gear (5) on idler hub (6) .

4. Remove the following items from idler hub (6) :
   • Collar (12)

   • Spring (11)

   • Shim (10)

   • Oil pump cover (9)

   • Inner rotor (8)

5. Remove idler gear (5) from idler hub (6) .

6. Remove thrust washer (7) from idler hub (6) .

Show/hide table



Illustration 3	g01201600
Typical example

7. Rotate camshaft gear (4) in order to align access hole (16) in the camshaft gear with bolt (14). Remove bolt (14) and bolt (15) from camshaft retainer (17) .

Show/hide table



Illustration 4	g01201605
Typical example

8. Carefully remove camshaft gear (4) and camshaft (18) from cylinder block (19). Be careful not to damage the lobes of the camshaft or the camshaft bearings.

9. Inspect the components for wear or damage. Replace the components that are worn or damaged.