Operating instructions

TM 11574A-OI
3-19
(7) Condenser Coil.
(a) Condenser coil replacement. The condenser consists of a series of parallel copper tubes
expanded into copper fins. The condenser coil must be cleaned with fresh water or
steam so the air flow is not restricted. To replace the coil, do the following:
WARNING
Do not open the condenser fan grille before turning power OFF and disconnecting power
plug.
1
Using a refrigerant reclaim system, remove the refrigerant charge.
2
Remove the condenser coil guard.
3
Unsolder discharge line and remove the line to the receiver.
4
Remove coil mounting hardware and remove the coil.
5
Install replacement coil and solder connections.
6
Leak-check the coil connections per Refrigeration leak checking paragraph 3-
10b(2)(e). Evacuate the unit per Evacuation and dehydration paragraph 3-10b(3)
then charge the unit with refrigerant per Refrigeration charge paragraph 3-10b(4).
(8) Condenser Fan and Motor Assembly.
WARNING
Do not open condenser fan grille before turning power OFF and disconnecting power
plug.
(a) Condenser fan replacement. The condenser fan rotates counter-clockwise (viewed from
front of unit), pulls air through the condenser coil and discharges horizontally through the
front of the unit. To replace motor assembly perform the following steps: