7. Fill the oil pan with new oil to the full
mark on the dipstick. Then start and
run the engine for a short period to
check for oil leaks.
8. Stop the engine and, after approxi-
mately twenty minutes, check the oil lev-
el. Add oil, if necessary.
VENTILATING SYSTEM
Figure 11E-17. Deep Sump-Type Oil
Pan
Description
misaligned flanges or raised surfaces
surrounding the bolt holes by placing
Harmful vapors which may be formed
within the engine are removed from the
the pan on a surface plate or other large
crankcase, gear train and valve com-
flat surface.
partments by a continuous pressurized
ventilating system.
5. When installing the oil pan, use a
gasket and, starting with the center bolt
on each side and working alternately to-
A slight pressure is maintained in the
ward each end of the pan, tighten the
engine crankcase by the seepage of a
bolts to 10-20 lb-ft (14-27 Nm) torque.
small amount of air from the air box past
the piston rings.
Do not overtighten the bolts. Once the
This air sweeps up
bolts are tightened to the specified tor-
through the flywheel housing and is ad-
mitted to the valve component through
que, do not retighten them as it could be
detrimental to the oil pan gasket. If a
cavities in the lifter brackets and vent
castings.
leak should develop at the oil pan, check
if the lock washer is compressed. If
not,
the
bolt
may
be
tightened.
Ventilating air in the valve compartment
However, if the lock washer is com-
is drawn off through a breather attached
pressed and leaking occurs, remove the
to the valve rocker cover.
oil pan and determine the cause of the
leakage.
Minute particles of lubricating oil, car-
ried along with the moving vapors, are
trapped in an oil separator within the
NOTE
breather and eventually returned to the
Oil pan bolts are coated with a
The vapors are exhausted to
locking material. To reactivate the
the atmosphere through the breather
pipe.
locking ability of the bolts, apply
a
drop
or
two
of
Loctite
J
26588-242, or equivalent to the
threads of the bolts at reassembly.
Service
Consult the Operator's Manual for fur-
ther maintenance.
6. Install and tighten the
drain
plug
to
25-35 lb-ft (34-27 Nm)
Lubrication System
