ARMY TM 9-6115-464-12
AIR FORCE TO 35C2-3-445-1
NAVY NAVFAC P-8-624-12
(3) Installation.
(a) Install teminal board assembly (28, Figure 5-12), washers (27), flatwashers (26), nuts (25),
plastic washers (24), and screws (23).
(b) Connect electrical leads to terminal board assembly.
(c) Install load bank assembly as outlined in paragraph 5-21a.
g.
Thermostat switch.
(1) Removal.
(a)
(b)
(c)
Remove load bank assembly as outlined in paragraph 5-21 c. (1) above.
Tag and disconnect electrical connections to thermostat switch.
Remove nuts (29, Figure 5-12) and screw and captive washer assemblies (30) to remove ther-
mostat switch (31 ).
(2) Cleaning and Inspection.
(a) Clean thermostat by flushing with an approved solvent and drying thoroughly with filtered com-
pressed air.
(b) Visually inspect thermostat for cracks, corrosion, stripped or damaged threads, and other ob-
vious damage.
(c) Replace thermostat if damage is found.
(3) Installation.
(a) Install thermostat switch (31, Figure 5-12), screw and captive washer assemblies (30) and nuts (29).
(b) Connect electrical leads to thermostat switch.
(c) Install load bank assembly as outlined in paragraph 5-21a. above.
h. Heater Element.
(1) Removal.
(a)
(b)
(c)
Remove load bank assembly as outlined in paragraph 5-21 c. (1) above.
Tag and disconnect electrical leads to terminal board assembly.
Remove screws (32, Figure 5-12), flat washers (33) and nut and captive washer assemblies
(34) to remove heater elements (35) from housing (36).
(2) Cleaning and Inspection.
(a) Clean heater elements with filtered compressed air and an electrician’s brush or wipe with a
clean, lint-free cloth lightly moistened with an approved solvent.
(b) Visually inspect heater elements for cracks, breaks, corrosion, stripped or damaged threads
and other damage.
(3) Testing.
(a) Using an ohmmeter, check resistance between terminals of heating elements. Resistance shall
be approximately 37 ohms.
(b) Replace any heater element which does not test correctly.
5-56
