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7.11 COOLING BOX
7.11.1
Cooling Box Screen
The cooling box screen is equipped with an
automatic cleaning device which "vacuums" the
screen by means of two rotors.
operate when the engine is running. The rotors
are electrically driven and the suction is provided
by the engine cooling fan.
If the screen is not being cleaned by the rotors,
they may be plugged. Service rotors and screen
as follows:
a. Stop engine and remove key.
b. Raise engine compartment hood fully.
A
c. If rotors (A) are plugged, clean as follows:
1. Remove nut (B).
Form # 169017
MAINTENANCE/SERVICE
They only
C
B
A
2. Pivot rotor assembly (C) away from screen.
3. Blow out debris from rotors (A) with
compressed air.
d. Push latch (D) and open screen assembly
access door (E).
inside screen door.
e. If duct (G) is plugged, blow out debris with
compressed air.
f.
Clean screen with compressed air.
g. Reposition rotor assembly (C) secure with bolt
and nut (B).
h. Check clearance between trailing edge of
cleaner ducts (A). It should be .04-.32 inches
(1-8 mm) at all locations when rotating.
Cleaner duct may touch screen as long as
duct continues to rotate.
166
C
G
D
F
Secure with rod (F) stored
NOTE
(continued next page)
Issue – June 2008
E
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