TM 5-6115-465-12
TO 35C2-3-446-1
NAVFAC P-8-625-12
TM 06858B/06859D-12
(c) Replace terminal board if damaged
(d) Replace circuit breaker if it fails to
beyond simple repair.
meet the above continuity requirements.
(3) Installation. Install terminal board as-
(4) Installation. Install circuit breaker in
sembly in reverse order of removal procedures.
reverse order of removal procedures.
Thermostat switch.
e . Indicator Light.
g.
(1) Removal.
(1) Removal.
(a) Remove load bank assembly as out-
(a) Remove control box cover as outlined
lined
in subparagraph c.(1)(a) above.
(b) Tag and disconnect electrical con-
(b) Tag and disconnect electrical leads to
nections to thermostat switch.
indicator light.
(c) Remove nuts (29, figure 4-12) and
(c) Unscrew lens (17) and remove o-ring
screw and captive washer assemblies (30) to remove
(18) and lamp (19).
thermostat switch (31).
(d) Remove nut (20) to remove base (21)
(2) Cleaning and Inspection.
and nut (22).
(a) Clean thermostat by flushing with an
(2) Cleaning and Inspection.
approved solvent and drying thoroughly with filtered
compressed air.
(a) Clean indicator light with filtered
compressed air and a soft bristle brush or wipe
(b) Visually inspect thermostat for
with a clean, lint-free cloth lightly moistened with
cracks, corrosion, stripped or damaged threads, a n d
an approved solvent.
other obvious damage.
(b) Visually inspect light for cracks,
(c) Replace thermostat if damage is
corrosion, cracked or broken lens, stripped or dam-
found.
aged threads, burns and other damage.
(3) Installation. Install thermostat in re-
(c) Check lamp for burned out filament.
verse order of removal procedures.
(d) Replace only parts found damaged.
h.
Heater Element.
(3) Installation. Install indicator light in re-
(1) Removal.
verse order of removal procedures.
(a) Remove load bank assembly as out-
f.
Terminal Board Assembly.
lined in paragraph 4-21c. (1) above.
(1) Removal.
(b) Tag and disconnect electrical leads
to heater elements.
(a) Remove load bank assembly as outlined
in paragraph 4-21c. (1) above.
(c) Remove screws (32, figure 4-12),
flat washers (33) and nut and captive washer assem-
(b) Tag and disconnect electrical leads to
blies (34) to remove heater elements (35) from
terminal board assembly.
housing (36).
(c) Remove screws (23, figure 4-12),
(2) Cleaning and Inspection.
plastic washers (24), nuts (25), flat washers (26)
and washers (27) to remove terminal board assem-
bly (28).
(a) Clean heater elements with filtered
compressed air and an electrician's brush or wipe
(2) Cleaning and Inspection.
with a clean, lint-free cloth lightly moistened with
an approved solvent.
(a) Clean terminal board with filtered com-
pressed air and a soft bristle brush or wipe with a
(b) Visually inspect heater elements for
cracks, breaks, corrosion, stripped or damaged
clean, lint-free cloth lightly moistened with an ap-
threads and other damage.
proved solvent.
(3) Testing.
(b) Visually inspect terminal board for
cracks, corrosion, burns and stripped or damaged
(a) Using an ohmmeter, check resistance
threads.
between terminals of heating elements. Resistance
shall be approximately 37 ohms.
4-35
