. A complete Parts List is available at www.MillerWelds.com
6-2. Cold Weather Engine Operation
1 | Infrequently |
| Loaded |
Frequently
Loaded
1Engine Control Switch
Carburetor Icing
Carburetor icing causes the unit to drop below the normal idle speed and then stall. This condition occurs when the temperature is near freezing and the rela- tive humidity is high. Ice forms on the throttle plate and inner bore of the carbu- retor. The engine typically restarts without problems but soon stalls again.
STreat gasoline with a fuel de−icer product (isopropyl alcohol).
SPlace the Engine Control switch in the Run position.
SRun engine only when expecting to frequently load it.
Breather Icing
Oil breather/pulse line icing occurs in severe cold (continuously below 0_F). Moisture accumulates in the oil from piston ring blow−by if the engine is exten- sively idled. This may cause vacuum line freezing, oil breather tube freezing or ice in the carburetor. All of these cause operating problems. Due to ice in the lines, the engine may not restart until it is warmed to above freezing.
SLoad engine and reduce idle times to prevent engine shutdowns.
SUse an electric fuel pump to avoid pulse line freezing.
SInstall engine cold−weather kit.
Both Kohler
.When the ambient temperatures become warmer (above 45_F) the air flow will have to be returned to normal.
Ref. 216 170
Notes
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