TM 9-4120-401-14
4-21.
CONDENSER AIR DISCHARGE LOUVER AND LINKAGE. - continued
Overheating in cooling mode of operation can result if condenser fins are
damaged.
(d) Protect the inside condenser coil (19) fins from damage using thin plywood, heavy cardboard, or
any suitable material.
(e) Remove pivot arm and bracket assembly (step (2) above).
If refrigerant lines and components must be moved, be careful not to kink tubing.
Refrigerant leak can result.
(f)
Remove two sets of screws (24) and flat washers (25).
(g) Remove four sets of screws (26), lock washers (27), and flat washers (28).
(h) Remove three sets of screws (29) and lock washers (30) and two screws (31).
The louver assembly is very difficult to remove from the unit. Be careful not to
damage the equipment.
Carefully move the condenser coil (19) and condenser fan housing (23) only enough to allow
(i)
removal of the louver assembly. Lift and cock the louver assembly to remove (bottom first) from back
of unit.
Replace louver assembly if damaged beyond repair.
(j)
(k) Cock and install louver assembly (top first) into back of unit.
Secure louver assembly to unit casing (20) using three sets of screws (29) and lock washers (30)
(l)
and two screws (31 ).
(m) Secure four clamps (32) and two service valve (33) cap chains to condenser fan housing (23) using
four sets of screws (26), lock washers (27), and flat washers (28).
(n)
Secure bracket (34) to condenser fan housing (23) using two screws (24) and flat washers (25).
Install pivot arm and bracket assembly (step (2) above).
(o)
Remove material used to protect condenser coil (19) fins.
(p)
Secure condenser fan housing (23) to unit casing (20) using six screws (21) and one screw (22).
(q)
Secure condenser coil (19) to unit casing (20) using four screws (18).
(r)
4-53