TM 5-3805-281-24-2
Camshaft and Timing Gear Train
SERVICE CAMSHAFT BUSHINGS USING
JDG602 ADAPTER SET
1. Inspect camshaft journals and bushings for wear or
damage. Measure cam journals and bushings to
determine if proper oil clearance exists. Replace
camshaft and/or bushings as necessary.
Camshaft Bushing--Specification
ID ............................................................................... 67.076--67.102 mm
(2.6408--2.6418 in.)
Bore in Block ............................................................. 69.987--70.013 mm
(2.7554--2.7564 in.)
Camshaft Journal--Specification
OD ............................................................................. 66.987--67.013 mm
Removing Camshaft Bushings
(2.6373--2.6383 in.)
Camshaft Journal and Bushing Oil--Specification
Clearance ...................................................................... 0.063--0.115 mm
(0.0025--0.0045 in.)
NOTE: The front two bushings can be reached from the
front of the engine. The flywheel and rear
camshaft bore plug (G) must be removed to reach
the other two bushings.
2. Remove camshaft bushings (F) using JDG603 Bushing
Driver (E) and JDG604 Receiver Cup (D) along with
the components shown from JDE6 Camshaft Bushing
Camshaft Rear Bore Plug
Replacement Set (A and C).
A--Bushing Screw (JDE6-1)
B--Cylinder Block Web
3. Tighten nut on end of bushing screw until bushing is
C--Lock Bushing (No. 25916)
pulled out of camshaft bushing bore. Inspect and
D--Receiver Cup (JDG604)
measure camshaft bushing bore in block (B). Follow
E--Bushing Driver (JDG603)
same procedure for remaining bushings to be replaced.
F--Camshaft Bushing
G--Camshaft Bore Plug
Continued on next page
DPSG,OUOE003,29 1918DEC981/2
