Camshaft Page 1 of 6
001-008 Camshaft
Install
Rear Gear Train
Apply assembly lubricant,
Part Number 3163087, to
the rear camshaft bore.
Lubricate the camshaft
lobes, journals, and thrust
washer with assembly
lubricant, Part Number
3163087.
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Camshaft Page 2 of 6
Use a gear puller, service
tool Part Number ST647 or
equivalent, to attach to the
end of the camshaft where
the camshaft gear mounts,
to act as a handle. This will
give proper leverage and
ease installing the
camshaft.
CAUTION
Before the camshaft is
installed, verify the tappets
are fully inserted into the
tappet bores. If the tappets
are not fully inserted, the
camshaft and/or tappets
may be damaged during
installation.
NOTE: The following
illustrations will show the
engine in the upright
position for clarity.
CAUTION
Do not force the camshaft
into the camshaft bore as
damage to the camshaft
bushing can result.
Install the camshaft. While
pushing in slightly, rotate the
camshaft and carefully work
the camshaft through the
camshaft bushings. As each
camshaft journal passes
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Camshaft Page 3 of 6
through a bushing, the
camshaft will drop slightly and
the camshaft lobes will catch
on the bushings. Rotating the
camshaft will free the lobe
from the bushing and allow
the camshaft to be installed.
Install the thrust plate.
Install the thrust plate
capscrews.
Torque
Value: 24 n.m [212 in-lb]
Front Gear Train
Apply assembly lubricant,
Part Number 3163087, to
the front camshaft bore.
Lubricate the camshaft
lobes, journals, and thrust
plate with assembly
lubricant, Part Number
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Camshaft Page 4 of 6
3163087.
CAUTION
Before the camshaft is
installed, verify the tappets
are fully inserted into the
tappet bores. If the tappets
are not fully inserted, the
camshaft and/or tappets
may be damaged during
installation.
NOTE: The following
illustrations will show the
engine in the upright
position for clarity.
CAUTION
Do not try to force the
camshaft into the camshaft
bore as damage to the
camshaft bushing can
result.
Install the camshaft. While
pushing in slightly, rotate the
camshaft and carefully work
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Camshaft Page 5 of 6
the camshaft through the
camshaft bushings. As each
camshaft journal passes
through a bushing, the
camshaft will drop slightly and
the camshaft lobes will catch
on the bushings. Rotating the
camshaft will free the lobe
from the bushing and allow
the camshaft to be installed.
CAUTION
To reduce the possibility of
engine damage, make sure
the camshaft rotates freely.
Before the camshaft gear
engages the crankshaft gear,
check the camshaft for ease
of rotation. When installed
properly, the camshaft must
rotate freely.
Align the timing marks as
illustrated and finish
installing the camshaft.
Install the thrust plate.
Install the thrust plate
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Camshaft Page 6 of 6
capscrews.
Torque
Value: 24 n.m [18 ft-lb]
Use gauge, Part Number
3824564, and magnetic
base, Part Number
3377399, to verify the
camshaft has proper
backlash and end play.
Camshaft End Play (A)
mm in
0.12 MIN 0.005
0.47 MAX 0.018
Camshaft Gear
Backlash Limits (B)
mm in
0.33 MIN 0.013
0.76 MAX 0.030
Last Modified: 05-Jun-2009
Copyright © 2000-2010 Cummins Inc. All rights reserved.
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