TM 11-6625-2709-40
(12) Repeat step in (11) above to loosen setscrew
h. Removal of COMPASS SIMULATOR Indicator.
(14).
(1) Remove test set front panel (step a above).
(13) Remove dial retainer (10) and dial (12).
(2) Remove the three screws that hold
(14) Remove synchro gear (13) and idler gear
COMPASS SIMULATOR indicator to test set front
(16).
panel.
(15) Remove three screws (20), three
SIMULATOR indicator
(3) Pull COMPASS
away from front panel.
(16) Pull synchro B1 (21) off synchro housing
(4) Disconnect cable a t t a c h e d to COMPASS
(17).
SIMULATOR indicator.
i. Disassembly
of
COMPASS
SIMULATOR
In-
j. Removal of FLAG Meter.
(1) Remove test set front panel (step a above).
(1) Remove four screws (30) and four
(2) Disconnect the two wires attached to meter.
Label these wires for identification when replacing
(2) Pull connector P1 (28) away from rear hous-
meter.
ing (23) to allow enough space to unsolder leads at-
tached to connector. Label these leads to identify
(3) Remove the four nuts that hold meter to test
them for reassembly. Remove gasket (27).
set.
( 3 ) Set COMPASS S I M U L A T O R indicator
(4) Pull meter out of front panel
down on a flat surface.
( 4 ) Remove eight s c r e w s ( 2 5 ) a n d e i g h t
k. Removal of DEVIATION Meter.
(1) Remove test set front panel (step a above).
(5) Pull front cover (5) away from rear housing
(23).
(2) Disconnect the two wires attached to meter.
Label these wires for identification when replacing
(6) Remove gasket (22).
meter.
(7) Separate front cover (5) from synchro hous-
(3) Remove the four nuts that hold meter to test
ing (17).
set.
Note: To remove dial window (9), push carefully on front side of
(4) Pull meter out of front panel.
dial window (9) to remove it from front cover (5) and window seal
(8).
l. Removal of TO-FROM Meter.
(8) Loosen two setscrews (2, 3). Remove knob
(1) and spring washer (4).
(1) Remove test set front panel (step a above).
(9) Pull out drive gear (7). Remove shaft sleeve
(2) Disconnect the two wires attached to meter.
(6).
Label these wires for identification when replacing
meter.
(10) Pull needle (11) straight off shaft of syn-
chro B1 (21).
(3) Remove the four nuts that hold meter to test
set.
(11) Rotate synchro gear (13) until setscrew (14)
lines up with hole in smaller rim of synchro housing
(4) Pull meter out of front panel.
(17). Loosen this setscrew.