TM 9-2815-225-34&P
3-40.
CAMSHAFT CAM FOLLOWER, AND PUSHROD REPAIR (Contd)
LOCATION/ITEM
ACTION
REMARKS
a. Disassembly (Contd)
4.
Two expansion plugs (11)
Remove from ends of cam
Use punch with sharp point to
follower housing (13).
make hole in center of one expan-
sion plug (11). Hit edge of same
expansion plug to loosen it. Using
pliers, remove expansion plug
(11). Discard expansion plug (11).
5.
Two cam follower shafts (12)
Push out of cam follower
Mark intake, exhaust, and injector
housing (13) and remove four
cam followers (8) and (9) to identify
intake and exhaust cam
their location in cam follower
followers (8) and two injector
housing (13) as they are removed.
cam followers (9).
Using mandrel and press, push
both cam follower shafts (12) out
opposite end of cam follower hous-
ing (13), forcing out other expan-
sion plug (11). Discard expansion
plug (11).
b. Cleaning
WARNING
Compressed air used for cleaning purposes will not exceed 30 psi (207 kPa). Use only with
effective chip guarding and protective equipment such as goggles or shield, gloves, etc.
Failure to comply may result in injury to personnel.
6.
Camshaft orifice plug (1),
Steam clean and dry with
Refer to para. 3-6 for additional
camshaft gear (2), thrust
compressed air.
cleaning instructions.
washer (3), gear-to-camshaft
key (4), and camshaft (5)
(assembled)
NOTE
Repeat step 7 for each cam follower and pushrod assembly.
7.
Six intake, exhaust, and
Clean.
Refer to para. 3-6 for cleaning
injector pushrods (6) and (7),
information and instructions. Be
intake exhaust and injector
sure to clean out small oil
cam followers (8) and (9),
passages in cam followers, and
shaft locking screws (10),
ensure all gasket material
cam follower shafts (12), and
has been removed from cam
three cam follower housings
follower housing (13).
(13)
c. Inspection
8.
Camshaft (5)
a. Using suitable micrometer,
Disassemble and discard
measure diameter of journals.
camshaft if less than wear limit
shown below:
Wear Limit .................................................................. .2.495 in. (63.373 mm)
New Minimum ............................................................. .2.496 in. (63.398 mm)
New Maximum .............................................................. 2.497 in. (63.423 mm)
b. inspect injector and valve
Disassemble and discard
lobes for scuffing, scoring,
camshaft (5) if lobes are scuffed,
and cracks.
scored, or cracked.
3-190
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