Cessna 182 1978 - Fuel Filler Cap - Plastic or Metal; Metal Flush-Type Filler Caps

MODEL
182 & T182 SERIES
SERVICE MANUAL
1. Cap handle NOTE
2.
Fuel
Cap
body
3. Outer
Seal
4. Check
Valve(Vent)
positive
pressure.
5. Umbrella
Rubber
6. Fuel Cap Lock
Plate
16
7. Lock Plate Vents(4)
8. Adapter Assembly
9. Placard 3
10. Safety Chain
11. Cotter Key
12. Metal Plates
13. Stem
O-Ring
14. Stem 15
15. Spring
16.
Split Washer
14
17. Handle Pin
18265176 THRU 18268368
F18200026 THRU 18200169
Figure 12-4.
Fuel Filler Cap - Plastic
or Metal
12-13. METAL "FLUSH-TYPE"
FILLER CAPS.
b. Remove
nut (10) and, observing
position of lock
Except
for minor
differences in
construction and
plate
(6) in relation
to stem (14) disassemble
cap.
weight, metal
fuel filler caps
perform the same
func-
c. Note resiliency
of O-rings
(3 & 13) and condi-
tions as red
plastic fuel filler
caps. The caps
are
tion of grooves.
If the O-rings
(3 & 13) have
deteri-
interchangeable
and
will fit
the same
adapter
assem-
orated
they must
be replaced.
bly.
12-15. CLEANING.
12-14. INSPECTION.
a. Using a cotton
swab and Stoddard solvent
or
equivalent, gently lift edges of rubber umbrella (5)
NOTE and clean stainless steel seat and umbrella removing
all contaminates. Using a second swab wipe seat
If fuel collects in the handle well it could in- and umbrella thoroughly, removing all cotton fibers.
dicate stem O-ring leakage. Fuel collecting Repeat until swabs show no discoloration.
around
perimeter of cap could indicate cap
b. If O-ring grooves appear contaminated,
clean
O-ring or check valve leakage.
with Stoddard
solvent or equivalent and cotton swabs.
c. Ascertain that all vent holes in check valve are
a. Remove fuel cap from adapter (8), remove safe- unobstructed.
ty chain (11)
from cap and cover
or plug fuel
opening
d. Clean cap
body and lock plate,
check for
defects.
to
keep out foreign
matter.
12-12 Revision 1