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7.9.10
Belts
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.
7.9.10.1 Tension
a. The alternator, water pump, and fan belt are
automatically tightened and manual adjustment
is not required.
b. Tension A/C compressor belt (A) as follows:
A
1. Shutdown
engine
compartment
position.
2. Loosen compressor mounting hardware (B).
3. 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.
4. Tighten compressor mounting hardware.
5. Recheck tension and re-adjust as required.
Form 169017
MAINTENANCE/SERVICE – M150 ENGINE
B
and
open
engine
access
hood
to
lowest
7.9.10.2 A/C Compressor Belt Replacement
a. Shutdown
compartment access hood to lowest level. Refer
to illustration opposite.
b. Loosen compressor mounting hardware (B) and
push compressor towards engine to release
tension.
c. Remove belt (A).
d. Install new belt (A) on pulleys.
e. 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.
f.
Tighten compressor mounting hardware (B).
g. Recheck tension and re-adjust as required.
7.9.10.3 Fan Belt Replacement
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
compartment access hood to highest position.
b. Move both maintenance platforms to rear (cab-
forward) of tractor.
141
the
engine
and
open
DANGER
the
engine
and
open
(continued next page)
Issue – June 2008
engine
engine
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