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PRE-OPERATION INSTALLATION
Safety Precautions
WARNING
Do not attempt to use this equipment until you have thoroughly read the engine manufacturer’s manual supplied with your welder. It includes important safety precautions, detailed engine starting, operating and maintenance instructions, and parts lists.
ELECTRIC SHOCK can kill.
• Do not touch electrically live parts or electrode with skin or wet clothing.
•Insulate yourself from work and ground
•Always wear dry insulating gloves.
ENGINE EXHAUST can kill.
• Use in open, well ventilated areas or vent exhaust outside.
MOVING PARTS can injure.
•Do not operate with doors open or guards off.
• Stop engine before servicing.
•Keep away from moving parts.
See additional warning information at
front of this operator’s manual.
Exhaust Spark Arrester
Some federal, state, or local laws may require that engines be equipped with exhaust spark arresters when they are operated in certain locations where unarrested sparks may present a fire hazard. The standard mufflers included with these welders do not qualify as spark arresters. When required by local regulations, suitable spark arrester must be installed and properly maintained.
CAUTION
Use of an incorrect arrester may lead to engine damage or performance loss. Contact the engine manufacturer for specific recommendations.
The welder should be located to provide an unrestrict- ed flow of clean, cool air. Also, locate the welder so that engine exhaust fumes are properly vented to an outside area.
Machine Grounding
According to the United States National Electrical Code, the frame of this portable generator is not required to be grounded and is permitted to serve as the grounding means for cord connected equipment plugged into its receptacle.
Some state, local, or other codes or unusual operating circumstances may require the machine frame to be grounded. It is recommended that you determine the extent to which such requirements may apply to your particular situation and follow them explicitly. A machine grounding stud marked with the symbol 
is provided on the welding generator frame foot. (If an older portable welder does not have a grounding stud, connect the ground wire to an unpainted frame screw or bolt). In general, if the machine is to be grounded it should be connected with a #8 or larger copper wire to a solid earth ground such as a metal water pipe going into the ground for at least ten feet and having no insulated joints, or to the metal framework of a build- ing which has been effectively grounded. The U.S. National Electrical Code lists a number of alternate means of grounding electrical equipment.
ANGLE OF OPERATION
To achieve optimum engine performance the Classic I should be run in a level position. The maximum angle of operation for the TM27 engine is 60 degrees in a direction to cause the air intake manifold to be angled up, 45 degrees for the air intake manifold to be angled down; and 50 degrees for the welder control panel to be angled up or down. If the engine is to be operated at an angle, provisions must be made for checking and maintaining the oil level at the normal (FULL) oil capacity in the crankcase. When operating the welder at an angle, the effective fuel capacity will be slightly less than the specified 15 gallons.
Location / Ventilation
Always operate the welder with the doors closed. Leaving the doors open changes the designed air flow and may cause overheating.
JULY97 | CLASSIC I |
| LINCOLN ® |
ELECTRIC