TM 5-4220-227-14
(5)
Replace filter and sight glass line. (figure 6-24).
(a)
Remove condensing unit hermetic (para. a. above).
(b)
Remove coil (1) and loosen fitting nut (2) and remove from expansion valve (3) from line (4).
(c)
Loosen fitting nut (5) and remove line (4).
(d)
Loosen fitting nut (6) and remove from expansion valve (3).
(e)
Desolder flare filter drier (7) and sight glass (8) from line (4).
(f)
Solder sight glass (8) and flare filter drier (7) on line (4).
(g)
Install expansion valve (3) and tighten fitting nut (2).
(h)
Install coil (1).
(i)
Install line (4) and tighten fitting nuts (6) and (5).
(j)
Install condensing unit hermetic (para. a. above).
Figure 6-24. Condensing Unit Hermetic Filter and Sight Glass Line, Replace.
FOLLOW-ON MAINTENANCE
Install heater/chiller module (para. 4-28).
6-49
