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TM 5-4120-270-15
3-25.
Cover Panel, Discharge Grille, Intake Grilles,
and Front Access Panel
a.
Removal. Refer to figure 3-8, and remove the
cover panel, discharge grille, intake grilles and
front access panel.
b.
Installation. Install the cover panel, discharge
grille, intake grilles and front access panel in
reverse order of removal as illustrated in figure
88.
3-26.
Air Conditioning Filters
a.
Removal. Refer to figure 3-9 and remove the air
conditioning filters.
b.
Installation. Clean or replace air filters. Refer to
figure 3-9 and install the air conditioning filters in
reverse order of removal.
3-27.
Fresh Air Inlet Screen, CBR Cover, Fan
Guard, and Condenser Coil Inlet Door and Screen
a.
Removal. Refer to figure 3-10, and remove the
fresh air inlet screen, CBR cover, fan guard, and
condenser coil inlet door and screen.
b.
Installation. Install the fresh air inlet screen,
CBR cover, fan guard, and condenser coil inlet
door and screen in reverse order of removal as
illustrated in figure 3-10.
3-28.
Evaporator Fans and Inlet Rings
a.
General. The MAC4V60-360-3 and MAC6V60-
86--2
air
conditioners
are
provided
with
centrifugal air foil evaporation fans to reduce
excessive vibration and noise.
b.
Removal. Refer to figure 3-11 and remove the
inlet rings and evaporator fans.
c.
Installation. Install the inlet rings and evaporator
fans in reverse order of removal as illustrated on
figure 3-11.
3-29.
Condenser Fan
a.
General. The axial flow condenser fan and
baffle, figure 3-12, reduce excessive vibration
and noise.
b.
Removal. Refer to figure 3-12, and remove the
condenser fan.
c.
Installation. Install the condenser fan in reverse
order of removal as illustrated on figure 3-12.
3-30.
Fresh Air Damper Door Control
a.
The damper door control consists of a worm
gear and linkage arrangement by which the
damper door can be placed in any. between full
open and closed.
b.
Removal.
(1)
Loosen setscrews and remove screw from
center of adjusting knobs. Remove knobs (fig.3-
13).
(2)
Remove evaporator air intake grilles (para 3-25).
(3)
Remove short linkage rod and gear lever
assembly from housing. Remove
long
linkage
rod and worm assembly.
(4)
Remove
worm
and
gear
if
-required
for
replacement.
c.
Installation.
Install
replacement
parts
by
reversing order of disassembly (fig.3-13). Check
damper control OPEN and CLOSED positions.
Adjust length of short linkage rod (15, fig.3- 13)
between ball joints as required for proper
operation.
3-31.
Identification Plates
a.
General.
Identification
plates
provide
information
for
operation
of
the
air
conditioner.(fig.1-4).
b.
Removal.
Carefully
file
rivets
attaching
identification plates to casing and remove plates.
c.
Installation. Set new rivets to attach new plate
securely. Use care to avoid damaging external
panels.
3-32.
Base Drain
a.
General.
Moisture
condensate
from
the
evaporator is collected in the drain pan and
conveyed to a sump in the air conditioner base
by means of tubing. The sump drains through
attached drain hose.
b.
Removal. Remove lower front access panel
(para 3-25). Flush out base sump with clear
water and inspect and clean drain hose as
required.
c.
Installation. Install lower front access panel and
assemble drain hose by reversing order of
removal.
3-10
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