Product Manual

11
OPERATING IN COLD WEATHER
Pay particular attention to the following items when
operating the genset in cold weather:
1. Make sure engine oil viscosity is appropriate for
the ambient temperatures. Change oil if there
is a sudden drop in temperature. See ENGINE
OIL RECOMMENDATIONS (Page 6).
2. Perform spark plug maintenance (Page 20).
3. Perform battery maintenance (Page 19).
4. If so equipped, reset the carburetor for altitude
(Figure 8).
OPERATING IN HOT WEATHER
Pay particular attention to the following items when
operating the genset in hot weather:
1. Make sure nothing blocks airflow to and from
the genset.
2. Make sure engine oil viscosity is appropriate for
the ambient temperatures. See ENGINE OIL
RECOMMENDATIONS (Page 6).
3. Keep the genset clean.
4. Perform maintenance due. See PERIODIC
MAINTENANCE SCHEDULE (Page 15).
5. If so equipped, reset the carburetor for altitude
(Figure 8).
OPERATING AT HIGH ALTITUDE
Series HGJAB / HGJAC Only − For best fuel econ-
omy and genset operation reset the carburetor for
the current altitude (Figure 8). Altitude may be found
on road maps and road signs. For the effect of alti-
tude on maximum power, see LOADING THE GEN-
SET (Page 9).
CAUTION
Operating the genset at low altitude
with a high altitude setting can cause power
loss, overheating and engine damage. Always
reset when returning to lower altitudes.
ALTITUDE
ADJUST
KNOB
FIGURE 8. ALTITUDE ADJUST KNOB
(SERIES HGJAB / HGJAC GASOLINE ONLY)