Figure 3-26. Interference suppression components ,location, removal, and installation.
(Sheet 2 of 2)
3-39. Testing of Radio Interference
cause of interference by the trial-and error method of
replacing each capacitor or interference suppression
component in turn until the cause of interference is
Test capacitors for leaks and shorts on a capacitor
located and eliminated.
tester: replace defective capacitors. If test equipment
Section VIII. ORGANIZATIONAL MAINTENANCE PROCEDURES
(1) above, remove cap screws (24) and (21) and
lockwashers (22) so that oil line (23) and gaskets (16)
The maintenance procedures allocated to organizational
may be removed. Then remove mounting capscrews
level personnel are described in this section. The
(18, 20 and 25) and lockwashers (17). The entire oil
procedures are grouped according to machine function,
filter may now be removed as an assembly.
beginning with those procedures having to do with the
c. Oildex Filter Service and Replacement.
(1) Service. Failure to service the Oildex filter
3-41. Engine Oil System
will leave the engine without effective ventilation of the
a. General. The engine oil system consists of the
crankcase. The intake manifold will have what amounts
supply of oil contained in the engine crankcase, and the
to a leak if the valve in the cover sticks open. Slugging,
oil pump, filters, tubing, temperature sensing device, the
varnish, gum formation, and external oil leaks may
dipstick, and the openings in the crankcase through
develop, and spark plugs will foul rapidly.
which oil is added or drained. The purpose of the
system is to maintain adequate lubrication of the engine.
of the Oildex filter with a solvent when replacing filter
b. Oil Filter Service and Replacement.
elements or servicing the unit. Refer to figure 3-28 and
(1) Service. Inspect the exterior of the oil filter for
service the Oildex filter.
leaks or visible signs of damage. Clean the filter
(2) Replacement. The Oildex filter can be
housings and tighten any loose connections. Refer to
replaced by loosening the spring clips which secure the
top cover, unscrewing the hose connections to the rear
(2) Replacement. To replace the entire oil filter
of the body assembly, and removing the two capscrews,
and proceed as follows: With the oil drained as described