Firman WH03041, Owner'S Manual, Page: 2 / 126

Table of Contents
. . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Safety Precautions . . . . . . . . . . . . . . . . . . . . .2
Unpacking The Generator . . . . . . . . . . . . . . .7
Parts Included. . . . . . . . . . . . . . . . . . . . . .7
Controls and Features . . . . . . . . . . . . . . . . . 8
Generator. . . . . . . . . . . . .. . . . . . . . . . . . . .8
Control Panel. . . . . . . . . . . . . . . . . . . . . . . 9
. . . . . . . . . . . . . 10
. . . . . . . . . . . 10
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . 11
Add Engine Oil . . . . . . .. . . . . . . . . . . . . . . . 12
Low Oil Shutdown . . . . . . . . . . . . . . . . . . . .12
Add Fuel . . . . . . .. . . . . . . . . . . . . . . . . . . . . 13
. . . . . . . . . . .16
Grounding. . . . .. . . . . . . . . . . . . . . .. . . . . .17
System.. . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Operation . . . . . . . . . . . . . . . . . . . . . . . . .. . . . 18
Generator Location . . . . . . . . . . . . . . . . . . 18
Surge Protection . . . . . . . . . . . . .. . . . . . . .18
Starting the Generator(Recoil Start-Gas).19
Starting the Generator(Recoil Start-LPG).19
.21
.22
Connecting Electrical Loads . . . . . . . .. . . 23
Economy Control Switch. . . . . . . .. . . . . . 24
12V DC Outlet (Battery Charger).. . . . . . 24
Stopping the Engine . . . . . . . . . . . . . . . . . 25
Low Oil Shutdown . . . . . . . . . . . . . . . . . . 25
Do Not Overload Generator . . . . . . . . . . . 25
Parallel Operation. . . . . . . . . . . . . . . . . . . 26
Introduction
Battery Cable Connection
Regulator Cover Installation
Operation at High Altitude
Starting the Generator (Electric Start-Gas)
Starting the Generator (Electric Start-LPG)
Connecting to a Building’s Electrical
English Customer Service: 1-844-FIRMAN1
Maintenance And Storage . . . . . . . . . . . . . . 27
Maintenance Schedule . . . . . . . . . . . . . 27
Engine Maintenance .. . . . . . . . . . . .. . . . 28
Change Engine Oil . . .. . . . . . . . . . . . . . 28
Air Filter Maintenance. . . . . . . . . . . . . .28
Spark Plug Maintenance. . . . . . . . . . . . 29
. . . 30
Generator Maintenance . . . . . . . . . . . . . . 30
. . . . . . . . . . . . . . . 30
Charging The Generator Battery. . . . . . 31
Service and Storage . . . . . . . . . . . . . . . . . 32
Trouble Shooting . . . . . . . . . . . . . . . . . . . . .33
Parts Diagram and Parts List . . . . . . . . . . 34
Generator Parts Diagram . . . . . . . . . . . . 34
Engine Parts Diagram . . . . . . . . . .. . . . . 35
Parts List . . . . . . . . . . . . . . . . . . . . . . . . . 36
Service Information . . . . . . . . . . . . . .. . . . . 38
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Inspect Muffler and Spark Arrester
Battery Replacement