NOISE CONTROL SYSTEM PART 8: MAINTENANCE AND SERVICE
– 226 – Y53-6032 (R05/10)
Blanket
Check for chafing, tears, etc. Patch it if necessary. Find
the cause of the damage. If any component or accessory
is causing wear or damage and can’t be relocated, put
reinforcing pads on the blanket at the site of wear.
Engine Mounted Noise Insulators
Fasteners
Check for condition and security. How you do this will
depend on the method of attaching the noise insulators on
the engine and around the oil pan (bolts, snap fasteners,
or straps). Tighten loose fasteners; repair or replace any
worn or damaged fasteners.
Insulators
Check insulators around fasteners and stress points,
especially where they may be affected by engine vibra-
tion. Repair any cracked or damaged mounting points.
Use suitable reinforcing plates to ensure that the insula-
tors will remain in position.
Inner Fender Shields and Cab Skirts
Fasteners
Check all fasteners for security, especially the self-tapping
hex head screws. Remove and replace any loose rivets.
Shields and Skirts
• Check shields and skirts for cracks at mounting and
stress points. Check fender shields for tire marks,
worn spots, or damage from objects thrown from tire
treads. You can repair cracked or damaged fiberglass
fender shields with fiberglass and resin.
• If you find damage at a fastening point, you can gain
additional strength by installing a suitable reinforcing
plate. This plate should be drilled to accept a rivet and
laminated to the shield with fiberglass and resin.
• Check cab skirts, sills, and brackets for overall condi-
tion and repair them as necessary. Damaged rubber
fender shields or cab skirting cannot be repaired. You
will need to replace it.
Your authorized dealership can perform all of these
checks and repairs or replacements.
Y53-6032.book Page 226 Monday, May 24, 2010 3:37 PM
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