TM 55-4920-221-14
(5) Tag and .disconnect electrical leads, and
(4) Remove voltmeter fuse holder (111) in a
similar manner.
capacitor (2) from terminals of overheat indicator (3).
Remove overheat indicator as described in (2) above.
(5) Remove cap and fuse (9) from voltmeter
fuse holder.
b. Cleaning and Inspection.
b. Cleaning and Inspection.
(1) Clean parts with cloth dampened in dry
cleaning solvent P-D-680 and dry thoroughly.
(1) Clean parts with a cloth dampened in dry
cleaning solvent, P-D-680 and dry thoroughly.
(2) Visually inspect the cool-ing fan indicator
for damaged or corroded lamp base and damaged
(2) Visually inspect fuse holders and caps for
terminals.
damaged or corroded fuse bases and for damaged
terminals.
(3) Inspect capacitor for broken leads,
indications of overheating, and burn marks.
(3) Inspect fuses for continuity and for
cracked or corroded condition.
(4) Inspect unexcited bus test indicator and
overheat indicator in a similar manner.
c. Installation.
c. Installation.
(1) Position wattmeter fuse holders (10) in
front of control panel and secure fuse holders to rear of
(1) Position cooling fan indicator (4) on front
panel with special flat washer and nut.
of control panel, and secure to rear of panel with special
flat washer and nut.
Connect and solder tagged
(2) Install fuse (8) and cap in wattmeter fuse
electrical leads to terminals of indicator.
holders.
(2) Install incandescent lamp and lens.
(3) Connect and solder electrical leads to
(3) Install unexcited bus test indicator (5) in a
fuse holder terminals as tagged in paragraph a above.
similar manner.
(4) Install voltmeter fuse holder (111), fuse
(9), and cap in a similar manner.
(4) Install overheat indicator (3) as described
above. Connect and solder capacitor (2) and tagged
96. NAMEPLATES.
electrical leads to terminals of overheat indicator.
a. Removal.
95. WATTMETER AND VOLTMETER FUSE HOLDER
(1) Remove two screws securing frequency
ASSEMBLIES.
meter nameplate (69, figure 8) to control panel and
a. Removal.
remove nameplate from front of panel.
(1) Tag and unsolder electrical leads from
(2) Remove other nameplates in a similar
each of wattmeter fuse holders (10, figure 8).
manner.
(2) Remove special nut and flat washer from
b. Installation.
terminal end of fuse holder and remove fuse holder
(1) Position frequency meter nameplate (69)
from front of control panel.
on control panel and secure with two screws.
(3) Remove cap and fuse (8) from wattmeter
(2) Install other nameplates in a similar
fuse holders (10).
manner.
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