PART 8: MAINTENANCE AND SERVICE ENGINE ACCESSORIES
(R10/06) Y53-6007 – 187 –
Frame Fasteners
• Go around your vehicle as per the Preventive Mainte-
nance Schedule and tighten all frame fasteners with a
torque wrench.
• Always use the torque values listed in frame fastener
table.
• Always torque fasteners from the nut end.
For standard capscrews
• Always use the torque values listed the capscrew
table.
• Reduce torque by 10% when engine oil is used as a
lubricant.
• Reduce torque by 20% if new plated capscrews are
used.
Engine Accessories
Accessory Drive Belts
You can extend the reliability and service life of your vehi-
cle’s drive belts with proper attention to installation,
adjustment, 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 overheat
-
ing. 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. Refer to figure below
an example of the rotation direction to release the ten
-
sioner.
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 flanges of each pulley.
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