TM 5-2420-230-24-2
B3.9 and B5.9 Series Engines
Camshaft (001-008)
Section 1 - Cylinder Block - Group 01
Page 1-31
Camshaft Bore - Inspection
Inspect the camshaft bore for obvious damage and exces-
sive wear.
Measure the camshaft bore.
Camshaft Bore Inside Diameter
mm
in
No. 1 Bushing
54.146
MAX
2.1317
All Except No. 1
54.164
MAX
2.1324
NOTE: If the bores without a bushing are worn beyond the
limit, the engine must be removed for machining and in-
stallation of service bushings or replacement of the cylin-
der block.
Install (001-008-026)
Apply a coat of clean lubricating engine oil to the front
camshaft bore.
Lubricate the camshaft lobes, journals, and thrust washer
with clean lubricating engine oil.
L-709
