Table 4-2. Camshaft Key Data
Timing Change
Key
:
No.
Effect
Degrees
Amount of offset
Assembly Instructions
124696
Advance
1
0.0121/0.0141
Arrow toward rear of engine
120602
Advance
11/2
0.0187/0.0207
Arrow toward rear of engine
120602
Retard
11/2
0.0187/0.0207
Arrow toward front of engine
103275
Retard
21/2
0.0318/0.0338
Arrow toward front of engine
b. Remove gear case mounting plate as shown on
Figure 4-21. Crane engine gear case mounting plate, removal and installation.
4-66. Cleaning and Inspection
4-67. Installation
a. Clean with an approved cleaning solvent and dry
a. Install gear case mounting plate as shown on
thoroughly.
b. Inspect plate for cracks, breaks, and other
lbs.
b. Install gear case cover and camshaft (para 4-64).
damage. Replace a defective plate.
4-30
