TM 11-6660-218-12
Cover A202 is connected to bracket
A207 by riveted chain H201.
Loosen hexagonal nut H203 and
(3)
jewel bearing 0201, and lift out vane
assembly 0202.
(4)
Remove hexagonal nut H212 from
the rear of the bracket, and lift out
magnetic compass 1201. Do not at-
tempt to disassemble the compass;
replace it as a unit.
(5)
Remove four machine screws H205,
and lift off mounting plate A203. The
two flat washers H206 on each ma-
chine screw H205 will fall free.
(6)
Remove three machine screws H208,
H209, and lower jewel bearing 0205
from mounting plate A205. Removal
of machine screws H208 will free
supporting post A204.
Disassemble vane assembly 0202 by
(7)
removing three machine screws H204
to release shaft 0204 from wind vane
0203.
c. Inspection.
cracks.
(2) Check pivots for scratches or burrs.
(3) Check metal parts for bends, dents,
A201
Cover assembly
H207 Lockwasher
H208 Machine screw
A202
Cover
or other damage.
A203
Mounting plate
H209 Hexagonal nut
A204
Supporting post
H21O Machine screw
d. Cleaning.
A205
Mounting plate
H211 Self-tapping screw
A206
H212 Hexagonal nut
Velometer
Warning: Cleaning compound is flammable
A207
H213 Handle
Bracket
and its fumes are toxic. Do not use near a
H201
Chain
1201 Magnetic compass
H202
Rivet
0201 Jewel bearing
flame; provide adequate ventilation.
H203
Hexagonal nut
0202 Vane assembly
(1) Clean bearing points, pivots, and
H204
Machine screw
0203 Wind vane
H205
Machine screw
0204 S h a f t
H206
Flat washer
0205 Jewel bearing
pound.
Figure 5-1. Anemometer ML-.433A/PM,
(2) Brush clean all remaining parts.
exploded view.
(3) Dry all parts with a clean, lint-free
cloth.
nut H93 that holds the compass to bracket
A2 and pull the compass away from the
e. Replacement of Parts. Replace all dam-
bracket. Unscrew the handle (not shown)
aged or defective parts. For reassembly, re-
from bracket A2. To detach bracket A2 from
place the parts in the reverse order in which
they were disassembled.
velometer housing 099, remove the flathead
screw (1).
5-15. Anemometer ML-497/PM
b. Disassembly of Wind Vane.
(1) Slide wind vane cover A3 off mount-
a. Removal of Compass I1. Remove hexagonal
ing plate A4.
AGO 8029A
5-5