SA221/324/424 Operation Manual
12.Warm Up the Engine in Cold Weather
1. In cold weather, warm up the engine for longer
than 5 minutes so the hydraulic system can
operate at peak performance.
2. Warm up for a period as specified in the table
below.
1. Shut off the engine by:
• Release the forward and reverse drive pedal
fully.
• Depress brake pedal.
2. Move the range shift lever to the N (neutral)
position. (SA324/424)
3. Push down Power Take Off (PTO) switch to
(OFF) position.
Temperature (°F (°C))
Warming-up Time (min.)
Over 32 (0)
At least 5
32 to 14 (0 to –10)
5 to 10
14 to –4 (–10 to –20)
10 to 15
Below –4 (–20)
More than 15
NOTE
●
The engine may run slightly louder and emit pale
blue exhaust during warm up.
• the preceding state is normal
• the amount of pale blue exhaust varies
depending on the ambient temperature
●
Idling the engine for a long time wastes fuel and
causes carbon accumulation in the engine.
2. Shut Off the Engine
(A)
(D)
(E)
(C)
(B)
(G)
(F)
SA221_324_424_OperatorsManual.book 7 ページ 2018年6月4日 月曜日 午後5時19分