Leveling knobs and gyro removal
RESTRICTED
Reassembly.
Replace sight stem in bushing.
Place
stabilized sector on sight stem
bushing.
3.
Replace stem thrust washer.
4. Insert sight stem and replace 6 screws.
5.
Replace
eccentric. Be sure that the stud
is toward the
rear. (M-3)
The sightstem bushing must be reinstalled
in M-6 before the sight stem is replaced.
Leveling
Knobs
M-3
M-6
A. Disassembly.
Remove
taper pin.
2. Press on
knob to prevent spring from re-
leasing when taper pin is removed.
two
3.
There are two turn knobs on the M-6 and
springs.
4. Clean, oil and reassemble.
Remove
Gyro from
Cardan
M-3 and
M-6
If the vertical gyro gudgeon bearing becomes
dirty,
the gyro must be removed and bearing clean-
The bearing can be inspected for oil by re-
moving the gudgeons. The gyro should not be ret
moved from the cardan unless necessary.
Ordinary
maintenance does
not require removal
of gyro or
cardan.
A.
Disassembly.
2.
from
3.
magnet,
4.
5.
telescope cradle connecting rod.
Loosen screw through lever link re-
tainer and disengage retainer
connecting
rod stud. Do notbend re-
tains:.
Remove
2
(M-3), 3 (M-6) flexible leads
ca - dan
at gyro connection.
Remove 2 flexible leads, to bail locking
at cardan
connect.
(M-6)
Remove bai! locking bracket 2 screws (M-6).
Remove
bail, 4 screws (M-8).
136