Mooney M20TN, Service And Maintenance Manual

Page: 306 / 1169

MOONEY AVIATION COMPANY, INC.
M20TN SERVICE & MAINTENANCE MANUAL
Date
2006
Rev Date
Page 16
5
12
14
3
4
1
MOD. IDENT. PLATE
(P/N 102000-- (X))
EATON ACTUATOR
13
11
8
7
TN32--15
2
9
10
15
16
6
5A
5B
5C
LANDING GEAR ACTUATOR (EXPLODED VIEW)
FIGURE 32--17
32--30--05 -- LANDING GEAR ACTUATOR,
CLUTCH SPRING REPLACEMENT
Landing gear actuator clutch spring replacement is
mandatory at each 1000 hours of aircraft operation for
Eaton actuators.
ACTUATOR REMOVAL FROM AIRCRAFT
1. Jack aircraft in accordance with Section 7--10--00.
Belly panels should be OFF.
2. Partially retract landing gear from the overcenter
position.
3. Loosen set screw on emergency “T” handle/cable
on cabin floor. Pull cable from handle.
4. Remove two nuts, (1) (Fig. 32--17); note position of
cable support bracket (2) and remove.
5. Remove manual extension system disengage
cable from actuator disengage arm (ref. Fig. 32--13).
6. Remove bolt from Heim bearing at retract bell-
crank.
7. Disconnect electrical connection from actuator.
8. Remove bolt from lug at Hat Section.
9. Remove actuator from aircraft.
DISASSEMBLY – EATON ACTUATOR
1. Remove two nuts, (1) (Fig. 32--17) that retain the
cable support bracket (2) and remove bracket and dis-
engage cable intact from actuator body and disengage
arm.
2. To avoid stripping screw heads, use impact screw-
driver to break Loctite thread seals and remove two
long screws (3) & two short screws (4).
3. With a razor or similar tool, slice through identifica-
tion plate and remove recoiler assembly (5).
4. Remove input gear assembly, (6), from clutch
housing, (8), by rotating gear and pulling with slight to
moderate pressure.
NOTE:
Care should be taken not to allow bearings or
shims to drop out of clutch housing mount as-
sembly.
5. Remove two screws, (7), and remove housing, (8),
spring, (9), and gear assembly, (10) from actuator body.
6. Remove clutch (no--back) spring, (9), from hous-
ing using gear assembly, (6), as removal tool. Insert,
(6), into spring from flanged end of housing; rotate gear
CCW and pull slightly. DO NOT rotate CW. Spring can
be damaged.
-- CAUTION --
Use extreme care to prevent ball bearing from
dropping out of recoiler assembly; avoid damage
to gear and do not allow dirt to enter clutch hous-
ing bore.
7. After disassembly, clean clutch gear thoroughly.
Discard removed screws (3 & 4). Discard old clutch
(no--back) spring (9).
32--30--05