DISC-FRICTION 2200189 - Caterpillar

Remove Camshafts
START BY:a. remove rocker shaft assemblies and push rodsb. remove crankcase breathers (left side only)c. remove tachometer drive (left side only)d. remove governor (right side only) 1. Remove access covers (1) from the sides of the engine. 2. Remove bolt (3) and cap (4) that hold fuel rod assembly (2) to the fuel control shaft. 3. Remove bolts (5) to remove lever assembly (6) and fuel rod assembly (2) as a unit from the cylinder heads. If necessary, use tool (A) to turn the flywheel until the camshaft is moved in a position so that the fuel rod assembly can be removed between the engine block and camshaft. 4. Remove cover (7) from the right side of the flywheel housing. 5. Remove the bolts, and remove plate (8) from the end of the camshaft on the right side of the engine.
Use the 8B7561 Step Plate of tooling (B) to prevent damage to the end of the camshaft during removal of drive gear (9).
6. Use tooling (B) to remove drive gear (9) from the end of the camshaft on each side of the engine. Remove the drive gears from the flywheel housing. 7. Remove the bolts, and remove washer (10) from the end of the camshaft on each side of the engine. 8. Push valve lifters (11) up away from the camshaft into the cylinder head assemblies, and hold the lifters in position. An O-ring seal can be used to hold the valve lifters up. 9. Install the pilot assembly part of tool group (C) on one end of the camshaft. 10. Install the handle part of tool group (C) on the other end of the camshaft. 11. Pull camshaft (12) out of the engine block until a hoist can be fastened to it.12. Put identification marks on the camshafts as to their location in the engine so they can be installed correctly.13. Remove camshaft (12) and tool group (C) from the engine. The weight of a camshaft used in 3512 Engines is 63 kg (139 lb.). The weight of a camshaft used in 3516 Engines is 82 kg (181 lb.). 14. If necessary, remove bolts (13) to separate the camshaft.Install Camshafts
1. If the camshafts were taken apart, make sure spacer (2) is in position between the camshaft and camshaft assembly. Put 9S3263 Thread Lock on the threads of bolts (1), and tighten the bolts by hand only to a torque of 45 7 N m (33 5 lb.ft.). Make sure the camshafts are installed respective to the marks (Rear L.H., Rear R.H.) on the ends of the camshafts.2. Install the pilot assembly part of tool group (A) to one end of the camshaft and the handle part of tool group (A) to the other end. 3. Fasten a hoist to camshaft (3), and put it in position. Push it into the engine block. Remove the hoist and tool group (A). 4. Install washers (4) on each side of the engine to hold the camshafts in