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TM5-4120-387-14
d.
Test
(1) Using a multi meter, set on lowest OHMS scale, check continuity.
l Terminal 1 (+) to 5 (-) - Continuity should not be indicated.
Terminal 2 to 3 - Continuity should be indicated.
Terminal 3 to 4 - Continuity should be indicated.
(2) Set multimeter to appropriate dc voltage scale.
(3) Apply power across terminals 1 and 5. Voltage indicated should be
28 ±5 volts dc.
After 15 ±1.5 second time delay, voltages should drop to less
than two volts.
(4) Replace time delay relay (K9) if it fails any of the above tests.
e.
Installation
(1) Install insulating heat shrink tubing over wires.
(2) Solder leads in place using tags and wiring diagram. (See fig. 4-7.)
(3) Slide heat shrink tubing over splices and remove tags.
(4) Using heat gun, shrink insulating tubing.
(5) Using wrench and screwdriver, install relay on bracket with four screws
and lockwashers.
(6) Using screwdriver, secure
(7) Using screwdriver, secure
fastener screws.
bracket and relays with three screws.
junction box cover with four captive panel
Follow-on procedure:
Install junction box.
(See para 4-29.)
4-37. COMPRESSOR RELAY (Kl)
Preliminary procedure:
Remove junction box.
(See para 4-29.)
a.
Access
(1) Using screwdriver, loosen four captive panel fastener screws in
junction box cover.
(2) Remove junction box cover.
(3) With wrench, remove the four nuts and lockwashers that secure the
terminal guards.
(4) Tag and disconnect wire leads.
4-88
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