TESTING - TM-9-2320-285-24-10879

TM 9-2320-285-24-1

2-73. HEATERS MAINTENANCE (CONT)

Junction Box (cont).

STEP

LOCATION

ITEM

ACTION

REMARKS

TESTING

Junction

a. Ohmmeter with

a. Set to X1 range

box (20)

test leads

b. Connect one lead to L-shaped prong of

connector insert (8)

c. Connect remaining lead to either straight

prong of connector insert

d. Note ohmmeter reading. Ohmmeter must

indicate open circuit (infinity)

e. Disconnect ohmmeter lead from straight

prong and connect to remaining straight

prong

f. Note ohmmeter reading. Ohmmeter must

indicate open circuit (infinity)

g. Disconnect ohmmeter leads from connector

insert (8)

WARNING

If ohmmeter indicates continuity in either test above, check for short

circuit or incorrect wiring. Do not apply power to connector insert (8) until

problem is corrected to prevent severe electrical shock.

b. Door (1)

Install

Slide up

c. Latch (15)

Rotate under

Secures door (1)

door (1)

2-856