Time Delay Relay K3.

TM 5-4120-356-14

(5) Installation.

( a ) R e f e r t o f i g u r e 3 - 1 5 a n d i n s t a l l r e l a y s K1 and/or K2.

( b ) R e f e r t o f i g u r e 3 - 1 2 a n d i n s t a l l j u n c t i o n box in unit.

( c ) R e i n s t a l l a i r f i l t e r , a i r i n t a k e grille and lower access panel.

Time Delay Relay K3.

WARNING

Disconnect the air conditioner from the

electrical power source before inspect-

i n g , testing or removing relay K3.

(1)

Inspection.

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

from t h e e l e c t r i c a l p o w e r s o u r c e .

conditioner

(b) Remove the lower access panel, air intake grille and air filter.

( d ) Inspect time delay relay K3 for damage which would impair

serviceability.

Test.

(2)

( 3 ) Replace.

R e p l a c e time delay relay K3 if there is any damage to the

r e l a y which would impair serviceability or if anv failure occurs during testing. Re-

fer to steps (4) and (5) for removal of defective relay and the installation of a

new relay.

(4) Removal.

(a) Refer to figure 3-12 and remove the junction box from unit.

(b) Refer to figure 3-15 and remove time delay relay K3.

(5) Installation.

( a ) R e f e r t o f i g u r e 3 - 1 5 a n d i n s t a l l t i m e delay relay K3.

( b ) R e f e r t o f i g u r e 3 - 1 2 a n d i n s t a l l j u n c t i o n box in the unit.

( c ) R e i n s t a l l a i r f i l t e r , a i r i n t a k e grille and lower access panel.

k . Fan Relays K4 and K5

D i s c o n n e c t the air conditioner from the

electrical power source before inspect-

i n g , testing or removing relays K4 or K5.