Table 3-1. Operator/Crew Troubleshooting - Continued
TEST OR INSPECTION
Heat exchanger exhaust stack may become dangerously hot.
Do not touch heater parts during or immediately after operation.
Perform maintenance only after heater has cooled.
Step 2. Check exhaust stack for obstruction.
Engage safety chain to louver to avoid serious injury whenever front
half hood is raised.
Step 1. Inspect for obstruction of noise baffle or detached noise insulation.