Replacement Part List
Page 22
 DO NOT touch hot parts and AVOID hot exhaust 
 gases.
 Allow equipment to cool before touching.
 Keep at least 5 feet (1.5 m) of clearance on all 
 sides of generator including overhead.
 Replacement parts must be the same and 
 installed in the same position as the original 
 parts. 
Clean or replace spark arrester as follows:
1. Allow the engine to cool completely before 
 servicing the spark arrester.
2. Remove the screws securing the spark arrester 
 in place and the remove it from muffler.
3. Carefully remove the carbon deposits from 
 the spark arrester screen with a wire brush.
Failure to clean the spark arrester will result in
degraded engine performance.
Generator Maintenance
Make certain that the generator is kept clean 
and stored properly. Only operate the unit on 
a flat, level surface in a clean, dry operating 
environment. DO NOT expose the unit to 
extreme conditions, excessive dust, dirt, 
moisture or corrosive vapours.
DO NOT use a garden hose to clean the generator.
Water can enter the generator through the cooling
slots and damage the generator windings.
Use a damp cloth to clean exterior surfaces of 
the generator.
Use a soft bristle brush to remove dirt and oil.
Use an air compressor (25 PSI) to clear dirt and 
debris from the generator.
Inspect all air vents and cooling slots to ensure 
that they are clean and unobstructed.
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Depending on the type fuel used ,the type and 
amount of lubricant used, and/or your operating 
conditions, the exhaust part and muffler may 
become blocked with carbon deposits. If you 
notice power loss, you may need to remove these 
deposits to restore performance.
CAUTION
CAUTION
4. Replace the spark arrester if it is damaged.
5. Position the spark arrester in the muffler and 
 attach with the screws.
Spark arrester 
screen
Flange
Screw
English Customer Service: 1-844-FIRMAN1
SERVICE AND STORAGE
Infrequent Service
If the unit is used infrequently, difficult starting 
may result. To eliminate hard starting, follow 
these instructions:
1. Run the generator at least 30 minutes every 
 month.
2. Run the generator, then close the fuel shut-off 
 valve and allow the unit to run until the engine 
 stops.
3. Move the engine switch to the "OFF" position.










