TM 11-6625-821-45
(13) Loosen two setscrews (14 and 15).
These two setscrews are accessible
pull needle (7) straight back off the
through a hole in the smaller rim of
shaft of synchro B2 (1).
resolver housing (17).
(7) Remove dial retainer (8) from syn-
(14) Slide resolver gear (13) off the shaft
chro housing (5).
of resolver B1 (21).
(8) Lift dial (6) out of synchro housing
(5).
minal board TB4 (22).
(9) Remove synchro B2 (1) by removing
(16) Remove terminal board TB4 (22)
three machine screws (2), three lock-
from resolver housing (17) by remov-
washers (3), and three synchro clamps
ing machine screw (24) and lock-
(4).
washer (23).
(17) Remove resolver B1 (21) by remov-
3-7. Removal of Test Set
Front Panel
ing three machine screws (20), three
a. Remove the 12 screws around the perime-
ter of the test set front panel.
clamps (18).
b. Lift the test set front panel out and away
from the case.
3-6. Removal and Disassembly of
c. Pull the power and pendant cables
BEARING INDICATOR
through the hole in the storage compartment
a. Removal.
until the cables are of sufficient length to en-
(1) Remove the test set front panel as de-
able front panel to lie on the bench beside
the case.
(2) Disconnect P3 from the connector on
d. Lay the front panel on the bench.
the rear of the BEARING INDICA-
TOR.
3-8. Replacement of
Inverter
(3) Remove the four screws and nuts that
secure the BEARING INDICATOR to
a. Orient the inverter so the connector on the
the test set front panel.
rear of the inverter will mate with J6 in the
(4) Remove the BEARING INDICATOR
test set.
from the front of the test set.
b. Place the inverter in the test set; make
b. Disassembly (fig. 3-2).
sure the connector on the inverter makes posi-
(1) Remove four machine screws (12) and
tive connection with J6 in the test set.
four lockwashers (13).
c. Secure the inverter to the test set with the
(2) Extend connector J1 (14) from rear
screw on each end of the inverter.
housing (16), and unsolder the wires
d. Place the INVERTER plate over the
from connector J1 (14). Label each
opening in the front panel for the inverter.
lead so they can be identified for re-
Secure the plate to the front panel with the
assembly.
two screws.
(3) Remove eight machine screws (18)
3-9. Reassembly and Replacement of
(4) Separate rear housing (16) from front
Control Unit
cover (11).
(5) Grasp synchro B2 (1) with one hand
a. Reassembly. Refer to TM 11-5826-225-
and front cover (11) with the other
35 for the control unit reassembly procedures.
hand. With a slight twisting motion,
b. Replacement.
separate f ront cover (11) from syn-
(1) Bring connector P1 out the CON-
chro housing (5).
TROL opening on the test set front
Note. If desired, dial window (9) can now
panel.
be removed by carefully pushing around the
(2) Connect P1 to the connector on the
outer edge of dial window (9) toward the
rear of the control unit.
rear of front cover (11).