|
| |
TM 5-4320-306-24
4-13.
REPLACE/REPAIR CRANKCASE ASSEMBLY (Continued)
4
Measure camshaft bearing journal diameter and determine radial clearance in accordance with paragraph 4-8. If
radial clearance is not within tolerance limits, replace bushing or camshaft to bring radial clearance within
tolerance limits
5
Install camshaft bearing tool No 143630 (1) and remove camshaft bushing (2) from crankcase (3).
6
Measure camshaft bushing bore (1) in crankcase with micrometer. Measurement should be 2 0461 to 2 0484
inches (51.97 to 52.030 mm). If measurement is not within these tolerance limits, crankcase must be replaced.
7
Inspect cylinder seats (2). Make sure they are smooth and flat. Use a steel straightedge (3) to check flatness If
seats are damaged beyond repair, replace crankcase (4). If seats can be ground smooth or have minor nicks or
burrs, repair in accordance with REPAIR instructions.
4-107
|
