MODEL
4CM21
4000 WATT- 129 VOillAC, -:RE~:R.EA'il'ONAlVEHIClE
GENERATOR SET OWNER'S MANUAL
CONTENTS
SUBJECT PAGESUBJECT • PAGE
Service and Adjustment Points 2 Trouble Shooting-Engine 7
Engine General Specifications 2 Schematic Diagram-Generator Set ~ 8
Fuel Consumption 2 Generator Service 9
Generator - General Details '" 2 Trouble Shooting-Generator 9
Pre-Start Instructions ....................•... 3 Controller Operation ..•....................... 9
Starting-Stopping Procedures 3 Engine Parts Identification ..........•........ 10
Preventive Maintenance .. ~ 3 Parts Ordering~nstructions 11
Battery Connection 3 Engi ne Parts ' 11
Service Schedule 4 Mounting Parts 12
Air Cleaner Service 4 Exhaust Parts 12
Lubricating Oil 4 Generator Parts ..........•.................... 13
Carburetor Adjustment 5 Controller Parts 14
Automatic Choke Adjustment 5 Storage Instructions 15
Governor Adj ustment 6 Opt i ona 1 Accessori es 15
Cooling System Service , ~ 6 Operating Hour-Service Log .......•.•.......... 16
Ignition System Service 7 Warranty .................•.........•.......... 16
SAFETY PRECAUTIONS
Safety is built into every engine driven generator; however, like any other electro-mechanical device it can present serious threat to life and
limb if imprudently operated and maintained, Remember that the best safeguards against accidents are to keep ever mindful of the potential
dangers and to always use good common sense. In the interest of safety, some general precautions are presented below - keep these in mind!
WARNING - HIGH VOLTAGE! Remember that the function of a generator set is to produce electricity and wherever electrical energy is
present, there is the potential danger of electrocution. Keep everyone, especially children, away from the set while it is running and take pre-
cautions to prevent unqualified personnel from tampering with or attempting to operate your generator set. Have the set and electrical circuits
serviced only by qualified technicians and make sure that the battery is disconnected before any service is performed to prevent unintentional
starting. Wiring should be inspected frequently - replace leads that are frayed or in poor condition. Be especially careful not to come in contact
with electrical equipment when standing in water or on wet ground or when your hands are wet.
WARNING - LETHAL EXHAUST GAS! The engine powering your generator discharges deadly carbon monoxide as part of the exhaust
• gas when operating. Carbon monoxide is particularly dangerous in that it is odorless but keep in mind that it can cause death if inhaled for even
a short period of time. Never operate the generator set inside a building unless the exhaust gas is piped safely outside or operate in any area
where exhaust gas could accumulate and seep back inside an occupied building. Keep exhaust system tight and in good condition at all times to
prevent leakage. Avoid breathing exhaust fumes when working on or near the generator set.
WARNING - DANGEROUS FUELS! Use extreme caution when handling, storing and using fuels - they are highly volatile and explosive
in vapor state. Store gasoline only in approved red containers clearly marked GASOLINE - store in well-ventilated area out of the reach of
children and away from any flame or spark producing equipment. Don't store gasoline inside home or any occupied building. Never add fuel to
tank while engine is running to prevent spilled fuel from igniting on contact with hot parts or from ignition spark. With gaseous fuel, make sure
the system meets all safety codes and have it serviced only by qualified technicians.
WARNING - MOVING, HOT PARTS! Imprudent operation creates hazards to life and limb - never operate with safety guards removed,
keep hands, feet, clothing away from moving and hot parts. Remember that an engine gets hot while running, and exhaust system components
get extremely hot. Know how to make emergency stops - don't allow inexperienced persons to operate your set. Always disconnect battery or re-
move spark plug while working on equipment. Never tamper with governor setting to gain more power - the governor establishes safe operat-
ing limits. Overspeed not only shortens engine life but can be extremely hazardous.
WARNING - GENERAL PRECAUTIONS! Handle starting batteries carefully - they are filled with acid which can eat thru clothing, bum
skin, and cause blindness. Keep in mind that a battery gives off highly flammable hydrogen gas while being charged - charge only in well venti~
lated area. While electrical energy produced in an engine ignition system may not be strong enough to cause injury, reaction to shock produced
could cause you to pull away and into contact with hot or moving parts - keep away from ignition system while operating. Never operate with-
out adequate muffler or with faulty exhaust system - exposure to excessive noise is not only tiring but can lead to impairment of hearing.
KOHLER CO., KOHLER, WIS. 53044
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