Navistar WorkStar Series, Operator'S Manual

Page: 39 / 258

Inspection Guide
Right Side Under Vehicle
WARNING
Maintain adequate clearance between all parts of
the exhaust system and all hoses, wires and lines
for engine cooling, brake system, fuel system,
power steering system and electrical system.
Heat damage to hoses, wires may cause vehicle
malfunction that could result in property damage,
personal injury, or death.
1. Frame: Check for cracks or bends in frame. Make sure
there are no loose, cracked, bent, broken, or missing
crossmembers or fasteners.
2. Exhaust System: Check to see that all component parts
are securely mounted and no cracks, holes, or severe
dents are visible.
Evidence of soot build up around
clamps or connections is a clear indicator of a leak being
present. Ensure that all hoses, wires, and air lines are
secured away from exhaust components.
3. Transmission: Inspect for leaks.
4. Drive Shaft: Ensure that all shaft couplings are secure.
• Air Lines and Wiring: Check air Lines and electrical wiring
for proper security, damage, and chafing. Listen for audible
air leaks.
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