Heater Relay K2 and Compressor Relay K1

TM 5-4120-356-14

( a ) Turn selector switch to "OFF" position and disconnect the air

c o n d i t i o n e r from the e l e c t r i c a l p o w e r s o u r c e .

Remove the lower access panel, a i r i n t a k e g r i l l e a n d a i r f i l t e r .

(b)

R e f e r to figure 3-12 and remove the junction box from the unit.

(c)

(d)

R e f e r to figure 314 and remove the circuit breaker from the

junction

box.

(2) I n s p e c t i o n . Inspect the circuit breaker for damage which would im-

pair

serviceability.

(3) Test.

( 4 ) R e p l a c e . R e p l a c e t h e c i r c u i t b r e a k e r if there is any damage which

would impair serviceability or if any failure occurs during testing.

(5) Installation.

(a) Refer to figure 3-14 and install the circuit breaker in the

junction

box.

(b) Refer to figure 3-12 and install the junction box in the air

conditioner.

( c ) R e i n s t a l l t h e a i r f i l t e r , air intake grille and lower access

panel.

Heater Relay K2 and Compressor Relay K1

WARNING

Disconnect the air conditioner From the

electrical power source before r e m o v i n g

r e l a y s from the junction box.

( 1 ) Removal.

( a ) T u r n selector switch to "OFF" position and disconnect the air

c o n d i t i o n e r from the e l e c t r i c a l p o w e r s o u r c e .

R e m o v e lower access panel, a i r i n t a k e g r i l l e a n d a i r f i l t e r .

(b)

R e f e r t o f i g u r e 3 1 2 and remove the junction box from the unit.

(c)

( d ) R e f e r t o f i g u r e 3 - 1 5 and remove heater relay K2 and/or com-

pressor start relay K1.

I n s p e c t t h e relays for damage which would impair ser-

Inspection.

viceability.

(3) Test.

( 4 ) R e p l a c e . R e p l a c e relay K1 and/or K2 if there is any damage to the

r e l a y s which would impair serviceability or if any failure occurs during testing.