190 S450 Operation & Maintenance Manual
AIR CONDITIONING BELT (CONT’D)
Belt Replacement Cont’d)
Figure 273
Cut the old belt (Item 1) [Figure 273] and remove the belt
from the pulleys. Inspect the pulleys for wear.
NOTE: This view [Figure 273] is from the rear door.
The air conditioning belt can also be
accessed through the left side access cover
or under the operator cab.
Figure 274
Install the belt on the air conditioning compressor pulley
and start the belt (Item 2) and the belt tool (Item 3) on the
front side of the hydraulic pump pulley (Item 1)
[Figure 274].
NOTE: This view [Figure 274] is under the operator
cab on the left side of the loader.
Rotate the engine clockwise using the crankshaft pulley
nut. Do not use the hydraulic pump pulley nut or the
flywheel bolts.
Ensure that the belt is fully installed on both pulleys.
Repeat the procedure if necessary.
Remove the belt tool.
Install the lower fan duct, bolts, electrical harness clamp,
and nut [Figure 270].
NOTE: Failure to install the lower fan duct correctly
may result in decreased cooling.
Install the left side access cover and bolts [Figure 271].
Lower the operator cab. (See Lowering on Page 148.)
Close the rear door.
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