TM-9-2320-272-24-2

TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)

TECHNICAL MANUAL; UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL; VOLUME 2 OF 4

JUNE 1998

TM-9-2320-272-24-2 - Page 827 of 991

TM 9-2320-272-24-2

4-19. CAM FOLLOWER HOUSING MAINTENANCE (Contd)

CAUTION

Do not discard cam follower housing gaskets before measuring

total thickness of each gasket. Total thickness of all gaskets is

critical for sealing of cam followers on camshaft for correct injector

and valve timing. Damage to engine will result if gasket spacing is

not correct when installing cam followers.

NOTE

Tag cam follower housing for installation,

2.

Carefully pry cam follower housing (4) from dowel pins (1) and remove from engine block (2).

3.

Remove cam follower gaskets (3) from engine block (2) and measure thicknesses using micrometer.

Record readings. Discard gaskets (3) after readings are recorded.

4.

Clean remains of cam follower gasket (3) from engine block (2) mating surfaces.

4-145