MacDon M200 Operator's Manual download pdf (Page 177)

MAINTENANCE AND SERVICING

Form 169017 / 169087 / 169095 175 Revision C

7.10 COOLING BOX

7.10.1 COOLING BOX SCREEN

The cooling box screen is equipped with an

automatic cleaning device which "vacuums" the

screen by means of two rotors. They only 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.

c. If rotors (A) are plugged, clean as follows:

1. Remove nut (B).

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). Secure with rod (F) stored 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 rotor

(A). It should be .04 - .32 inches (1 - 8 mm) at all

locations when rotating.

NOTE

Rotor may touch screen as long as rotor

continues to rotate.

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MacDon M200 Operator's Manual Page 177