Refrigerant Components

TM 5-4120-356-14

(f) Refer to paragraph 4-10 and charge the system with refrigerant.

R e f r i g e r a n t Tubing and Fittings

( 1 ) I n s p e c t . R e f e r to figure 4-12 and inspect the r e f r i g e r a n t t u b i n g

a n d fittings for damage which would impair serviceability.

(2)

Test.

( a ) C h e c k r e f r i g e r a n t t u b i n g a n d f i t t i n g s f o r l e a k s in accordance

w i t h the procedures given in paragraph 4-4c.

( b ) R e p a i r a n y l e a k s f o u n d i n a c c o r d a n c e w i t h t h e procdures given

( 3 ) R e p l a c e . R e p l a c e any tubing o r f i t t i n g s w h i c h are damaged to an

e x t e n t t h a t s e r v i c e a b i l i t y w o u l d b e i m p a i r e d , R e p l a c e m e n t procedures are as follows:

(a) Refer to figure 4-2 and release refrigerant from the system.

( b ) R e f e r t o f i g u r e 4 - 1 2 a n d r e m o v e t h e d e f e c t i v e t u b i n g and/or

fittings.

( d ) Perform any further maintenance or refrigerant system compo-

nents

required.

(e) After tubing and fittings are replaced, purge the refrigerant

system in accordance with paragraph 48.

(f) Check the replaced tubing and/or fittings and the dehydrator

f o r leaks in accordance with paragraph 4-4c.

If any leaks are found, repair in

a c c o r d a n c e with the procedures given in paragraph 4-4d.

(g) Refer to figure 4-4 and evacuate the refrigerant system.

( h ) Charge the system with refrigerant in accordance with paragraph

4-10.

L i q u i d Line Solenoid Valve

( 1 ) G e n e r a l . Testing and repair of the liquid line solenoid valve is

accomplished at the oganizational maintenance level (refer to paragraph 3-13a).

(2) Removal.

( a ) R e f e r t o f i g u r e 42 and release refrigerant from the system.

( b ) R e f e r t o figure 3-12 and partially remove the junction box.

( c ) R e f e r t o f i g u r e 3-22 and remove the RFI filter panel to pro-

v i d e access to the liquid line s o l e n o i d v a l v e .