ENGINE
5
Accessory Drive Belts
You can extend the reliability and
service life of your vehicle's drive belts
with proper attention to installation,
and maintenance. Neglect could
cause belt failure. The result could be
the loss of the electrical or air system
as well as possible engine damage
from overheating. So it's a very good
idea to check your belts frequently and
replace them as soon as you detect
trouble.
Follow this
procedure to install an
accessory drive belt:
1. Route the
new belt around the
pulleys, and then rotate the
automatic tensioner so that the
idler pulley swings toward the
belt routing. The following gure
shows an example of the rotation
direction to release the tensioner.
2. Slip the
belt around the idler
pulley attached to the automatic
tensioner.
3. Release the
automatic tensioner.
4. Check the
belt alignment on each
pulley. The belt must fall between
the anges of each pulley.
PACCAR MX Belt Routing
NOTE
See the engine manufacturer's opera-
tor's manual for further information on
replacing engine drive belts.
Cummins Belt Routing
5-96 Y53-6047–2C (04/13)
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