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Mobile Generator
General Maintenance
16.8 Checking the Exhaust System
When
Check the exhaust system daily before operating the machine.
Background
A leaky exhaust system will adversely affect machine operation. Symptoms include
increased noise, visible soot deposits, and carbon monoxide emission. Leaking
exhaust can also ignite surrounding materials and pipe insulation, causing a fire.
Requirements
■ Engine is stopped
■ Exhaust pipes and muffler are cool to the touch
Procedure
Perform the following procedure to check the exhaust system.
1. Open the access door on the curb side of the machine.
2. Inspect the exhaust pipes (a) and muffler (b), looking for:
Cracks or holes
Burned or missing insulation
Loose or missing clamps
Black soot deposits, especially around welds and joints
3. Start the engine. Listen carefully for:
Excessive noise
Rumbling
High-pitched whine
Rattling
Repair or replace faulty components before putting the machine back into service.
Result
The exhaust system has now been checked.
DANGER
Asphyxiation hazard. A leaky exhaust system emits carbon monoxide. This is a
poison that you cannot see or smell.
► Do not operate the machine until exhaust leaks have been repaired.
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