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ENGINE OILING SYSTEM
9-57
Mopar Filter Element
for
replacements. These serv-
ices will be required more frequently if the vehicle is
used extensively for short. trips with frequent idling.
(Without Wrupper Air Cleaner)
The paper air cleaner element should be inspected
every crankcase oil change and replaced every year.
Remove the carburetor air cleaner element from
its container. If the paper element is dry and with
only one or two oil wetted spots, clean by blowing
gently with compressed air, holding the air nozzle
about two inches from the inside screen. If the ele-
ment is saturated with oil, install a new element.
NOTE: Whenever oil wetting
of
the paper element
i s observed. THE CRANKCASE ventilator valve
and associated parts should be checked for exces-
sive deposit build-up or plugging.
Clean the metal housing and reinstall the element.
These services will be required more frequently if the
vehicle is used extensively for short trips with fre-
quent idling.
-
STANDARD SCREW FITS
IN
. . .
I - u L
Fig. I32-Heli-Coil
Installation
REPAIR OF DAMAGED O R
WORN THREADS
Damaged or worn threads can be repaired by the
use of Heli-Coils. Essentially, this repair consists of
drilling out the worn or damaged threads, tapping
the hole with a special Heli-Coil Tap, and instaling a
Heli-Coil Insert into the tapped holes. This brings the
hole back to its original thread size (See Fig. 132).
The following chart lists the threaded hole
sizes
which are used in the engine block and the necessary
tools and inserts for the repair of damaged or worn
thread. Heli-Coil tools and inserts are readily availa-
ble from automotive parts jobbers.
HELI-COIL INSERT
INSERTING
EXTRACT-
DRILL
TAP
TOOL
ING TOOL
Thread
Part
Insert
Part
Part
Part
Size
No.
Length
Size
No.
No.
No.
1/2-20
1 185-4
%Iff
"164
(-266)
4 CPB
528-4N
1227-6
'11
6-1 8
1 185-5
5132ff
Q
(.332)
5 CPB
528-5N
1227-6
%I-16
1 185-6
'I1
6"
x
(.397)
6 CPB
528-6N
1227-6
7~16-14
1
185-7
= l l J l f f
''164
(-453)
7 CPB
528-7N
1227-16
1/2-13
1 185-8
W f
""14
(e51 6)
8 CPB
528-8N
1227-1 6
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