Nose Gear Shock Strut Reassembly - Cessna T182 Series Service Manual

MODEL 182 & T182 SERIES SERVICE MANUAL
5-46. NOSE GEAR SHOCK STRUT REASSEMBLY.
o. Line up holes in steering torque arm (6) and clo-
(MODEL 182.) (See figure 5-9.)
sure assembly (32) with holes in steering collar (9)
NOTE
shers and nuts.
p. Install torque links, positioning washers, shims
Assemble these parts lubricated with a
and spacers exactly in positions as removed.
film of Petrolatum/VV-P-236, hydrau-
q. Install shimmy dampener.
lic fluid/MIL-H-5606 or Dow Corning
r. After shock strut assembly is complete, install
DC-7.
strut on aircraft as outlined in paragraph 5-27.
s. After strut is installed, fill and inflate shock
a. Install washer (10) and shim(s) (33), if installed.
strut in accordance with procedures outlined in Sec-
b. Lubricate needle bearings in steering collar (9), tion 2 of this manual.
as described in Section 2 of this manual, and install
steering collar (9) and retaining ring (8).
5-47.
NOSE GEAR REMOVAL. (MODEL T182.)
c. Check steering collar for snug fit against washer
(See figure 5-10.)
(10). Shims of variable thicknesses are available
a. Remove cowling and access panel aft of gear well
from the Cessna Supply Division to provide a snug fit
to provide access to drag link.
for the collar against the washer.
b.
Weight or tie down tail of aircraft to raise nose
wheel off the floor.
NOTE
NOTE
If shims are required, remove retaining ring
and steering collar and add shims as neces-
It is not necessary to deflate the nose gear
sary to provide a snug fit with steering collar
strut to remove the nose gear.
retaining ring in place.
c. Remove bolt attaching drag link to actuator-attach
Part numbers of available shims and their thicknesses
fitting (7).
are listed as follows:
d. Remove trunnion-attach bolts and steering bell-
crank bolt
1243030-5 ...... .. . . . .. . 0. 006-inch
e. Remove strut from aircraft.
1243030-6 . . . . . . . . . . . .
0. 012-inch
1243030-7 ..
.. . . . ..... 0. 020-inch 5-48. NOSE GEAR SHOCK STRUT DISASSEMBLY.
d.
Install O-ring (2) and filler valve (1) in orifice a Bleed pressure from strut through valve (3).
piston support (3), and install orifice piston support
b. Remove shimmy dampener from strut.
in upper strut (4).
c. Remove torque links (39) and (43).
e. Install O-ring (24) and metering pin (20) with O-
d.
Remove bellcrank (1). collar (2) and valve (3)
ring (21) in base plug (22): secure with nut.
from top of strut assembly.
e. Remove flat snap ring (20) and collar (19) from
NOTE lower end of outer barrel (18).
f. Remove wire lock ring (28) from groove at upper
If base plug is to be replaced, new part will end of lower shock strut (30) and remove bearing (29)
need to be line-drilled to accept NAS5 bolt.
and packing support ring (24) from lower strut.
g. Remove plug (35) and metering pin (32) from
f. Install base plug assembly in lower strut fork
lower strut by removing bolt through fork attached
assembly (13) and (25).
to lower strut (30).
g. Install bolt (27) through upper hole in lower strut,
h. Remove metering pin (32) from plug (35).
through base plug (22), and secure with nut (18).
h. Install lock ring (17), retaining ring (16) and
5-49. NOSE GEAR SHOCK STRUT INSPECTION
scraper ring (15), making sure they are installed in
AND REPAIR.
(MODEL T182.) (See figure 5-11.)
same positions as they were removed.
a.
Thoroughly clean all parts in cleaning solvent
i. Install O-rings (30) and (31) and back-up rings in
and inspect them carefully.
packing support ring (14): slide packing support ring
b. All worn or defective parts and all O-rings and
over lower strut (13).
back-up rings must be replaced with new parts.
j. Install bearing (12) and lock ring (11) at upper
c. Sharp metal edges should be smoothed with No.
end of lower strut assembly.
Note top side of bearing,
40 emery paper. then cleaned with solvent.
k. Install upper strut assembly over lower strut as-
sembly.
5-50. NOSE GEAR SHOCK STRUT REASSEMBLY.
1. Install lock ring (17) in groove in lower end of up-
(MODEL T182.) (See figure 5-11.)
per strut. Position lock ring so that one of its ends
a. Lubricate and install all new packings and back-
covers the small access hole in the lock ring groove
up rings.
(Section view B-B.) b. Lubricate bearings as required with MIL-G-
m. Install closure assembly (32) over upper strut
23827A grease or equivalent.
(4).
c. Reassemble strut by reversing procedures out-
n. Install steering torque arm over upper strut (4).
lined in paragraph 5-48. Beginning with T18268183,
apply Loctite to nose gear pivot bolts (46).
5-25