LUBRICATING OIL PUMP, OIL FILTERS & COOLER
Remove the Lubricating 011 Pump as follows:
Remove the vibration damper as described in
Remove the bolts and washers securing the
pump housing to the front cover.
NOTE: Whenever the oil pump housing is removed
from the crankcase front cover, be careful not to mix
the six oil pump housing cap screws with any other
hardware. These cap screws have a nylon pellet
mounted in the threads to seal through tapped holes
which go into the oil cavity. behind the crankcase
front cover. Installation of cap screws not so
equipped will result in oil leaks at these points. The
leaks will not be obvious until after the engine has
been put back into service. To prevent the possible
loss of the cap-screw sealing characteristic, the cap
screws should not be used more than two or three
Remove the pump housing (5, Fig. 4) with the
outer rotor (6) and "O" ring (4) from the front
Remove the inner rotor (1, Fig. 7), housing plate
(2) and "O" ring (3), as shown.
Figure 7. - Removing Inner Rotor and Housing Plate
"O" ring/seal ring
Remove the seal washer (2, Fig. 7) from the
crankshaft (if equipped).
Figure 8. - Crankshaft Seal Washer
1. Crankshaft spline
2. Seal washer
3. Vibration damper
Remove the Oil Filters as Follows:
Clean the filter elements and base with diesel
fuel before removing.
Disconnect the Turbocharger oil-supply line (if
equipped) at the filter base.
Remove the six bolts securing the filter base to
NOTE: Whenever the oil filter base is removed from
the crankcase, be careful not to mix the capscrews
with any other hard- ware. These special screws are
necessary to prevent oil leaks as one of the bolt
holes connects with an oil pressure gallery.
Remove the filter base with the elements
Remove base gasket.
Remove the Oil Cooler as follows:
Drain the cooling system
Drain the lubrication system.
Remove the four screws securing the cooler to
Remove the cooler by pulling towards the rear of
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