MacDon M200 Operator's Manual download pdf (Page 176)

MAINTENANCE AND SERVICING - M200 ENGINE

Form 169017 / 169087 / 169095 174 Revision C

7.9.10.3 Fan Belt Replacement

DANGER

Stop engine, and remove key from ignition

before leaving Operator’s seat for any reason.

A child or even a pet could engage an idling

machine.

a. Shutdown the engine, and open engine

compartment access hood to highest position.

b. Move both maintenance platforms to rear (cab-

forward) of windrower.

c. Loosen compressor mounting hardware (B), and

push compressor towards engine to release belt

(A) tension.

d. Remove belt (A).

e. Insert the drive end of a ½ inch drive ratchet

wrench into the belt tensioner (C).

f. Rotate tensioner clockwise until fan belt (D) can

be slipped off pulley (E). Release tensioner, and

remove wrench.

g. Remove belt from flywheel pulley (F), and then fan

pulley (G). Route belt around fan, and remove

belt.

h. Install new belt (D) around fan and onto pulleys in

(G) and (F).

i. Insert the drive end of a ½ inch drive ratchet

wrench into the belt tensioner (C).

j. Rotate tensioner clockwise until belt (D) can be

slipped onto pulley (E). Release tensioner, and

remove wrench.

k. Check that belt is properly seated in all pulley

grooves.

l. Install A/C compressor belt (A) on pulleys.

m. Pry compressor away from engine so that a force

of 8 to 12 lbf (35 - 55 N) deflects the belt (A) 3/16

inch (5 mm) at mid-span.

n. Tighten compressor mounting hardware (B).

o. Re-check tension, and re-adjust as required.

p. Move maintenance platforms to working position,

and close engine compartment hood.

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MacDon M200 Operator's Manual Page 176