1. Disconnect any electronic devices, and then stop
the engine.
2. Reduce the total wattage of connected electronic
devices until it is within the generator's rated
output.
3. Inspect the Air Inlet and Control Panel for any
blockage. Remove blockage if found.
4. Restart Engine.
Parallel Operation
Any two FIRMAN inverter generator with parallel
port including two FIRMAN inverter model W03383
MAINTENANCE AND STORAGE
ITEM
Check condition. Adjust gap and
Spark Plug
clean. Replace if necessary.
Check oil level.
Engine Oil
Replace.
Air Filter
Clean, replace if necessary.
Clean fuel filter and fuel tank
Fuel Filter
strainer. Replace if necessary.
Check fuel hose for cracks or other
Fuel Line
damage. Replace if necessary.
Check for leakage. Retighten or
replace gasket if necessary.
Exhaust
System
Check spark arrester screen.
Clean/Replace if necessary.
Carburetor
Check choke operation.
Starting
Check recoil starter operation.
System
English
FIRMAN1Page 28
MAINTENANCE SCHEDULE
NOTES
can be paralleled to increase the total available
electrical power to 6000 Watts. A FIRMAN Parallel kit
(not included) is required for parallel operation.
For Kit availability, call customer Service at 1-
844347-6261 or visit:
www.firmanpowerequipment.com.
CAUTION:
DO NOT disconnect parallel cables while generator
is running.
Daily(Before
Initial
operation)
25 hours
√
√
√
√
√
√
Every 100
Every
hours
50 hours
(or annual)
√
Customer Service: 1-844-
√
√
√
√