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OM-2032 / Operation and Maintenance Manual
100D20 / Generator Sets
(3) Service and Maintenance
This equipment must be maintained in good electrical and mechanical condition to avoid
hazards stemming from disrepair. Report any equipment defect or safety hazard to the
supervisor and discontinue use of the equipment until its safety has been assured. Repairs
should be made by qualified personnel only.Before inspecting or servicing electrically-powered
equipment, take the following precautions.
a. Lock switch OPEN (or remove line fuses) so that power cannot be turned on accidentally.
b. Disconnect power to equipment if it is out of service.
c. If troubleshooting must be done with the unit energized, have another person present who is
trained in turning off the equipment and providing or calling for first aid.
c. FIRE AND EXPLOSION PREVENTION
Fire and explosion are caused by electrical short circuits, combustible material near engine
exhaust piping, misuse of batteries and fuel, or unsafe operating or fueling conditions.
(1) Electrical Short Circuits and Overloads
Overloaded or shorted equipment can become hot enough to cause fires by self destruction or
by causing nearby combustibles to ignite. For electrically-powered equipment, provide primary
input protection to remove short circuited or heavily overloaded equipment from the line.
(2) Batteries
Batteries may explode and/or give off flammable hydrogen gas. Acid and arcing from a
ruptured battery can cause fires and additional failures. When servicing,do not smoke, cause
sparking, or use open flame near the battery.
(3) Engine Fuel
Use only approved fuel container or fueling system. Fires and explosions can occur if the fuel
tank is not grounded prior to or during fuel transfer. Shut unit DOWN before removing fuel tank
cap. DO NOT completely fill tank, because heat from the equipment may cause fuel expansion
overflow. Remove all spilled fuel IMMEDIATELY, including any that penetrates the unit. After
clean-up, open equipment doors and blow fumes away with compressed air.
d. TOXIC FUME PREVENTION
Carbon monoxide - Engine exhaust fumes can kill and cause health problems. Pipe or vent the
exhaust fumes to a suitable exhaust duct or outdoors. Never locate engine exhausts near
intake ducts of air conditioners.
e. BODILY INJURY PREVENTION
Serious injury can result from contact with fans inside some equipment. Shut DOWN such
equipment for inspection and routine maintenance. When equipment is in operation, use
extreme care in doing necessary trouble-shooting and adjustment. Do not remove guards
while equipment is operating.
f.
MEDICAL AND FIRST AID TREATMENT
First aid facilities and a qualified first aid person should be available for each shift for immediate
treatment of all injury victims. Electric shock victims should be checked by a physician and
taken to a hospital immediately if any abnormal signs are observed.
Safety Warnings
Page 2
March 31/94 Revised
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