Starting; Automatic Glow Plug; Manual Glow Plug; Table 3-1 Preheat Duration - Mitsubishi Heavy Industries L-Series Operation & Maintenance Manual

Chapter 3 OPERATION

Starting

The starting method changes based on the application and specifications.Start the engine according to the specified
procedure.
Before starting the engine, check to make sure no one is near the engine and that tools are not left on or near the
engine.In a loud voice, notify people in the area when starting the engine.
Do not apply a load to the engine at starting. (Disengage the clutch if installed.)
Continuous operation of the starter will drain the battery power and cause the starter to seize. Do not use the
starter for more than 10 seconds at a time. When the engine does not start, wait for more than 1 minute before
cranking again.
When preheating, do not heat over 30 seconds at a time (For manual glow plug). Otherwise the battery capacity
reduce in a short time or decrease glow plug life.

Automatic glow plug

1. Turn the starter key to "ON" position. Confirm the oil pressure lamp, water temperature lamp, battery charge lamp
and preheat lamps turn on at the time. The preheat lamp lighting duration is as follows:
Note: When the engine is cold, move the speed control lever to "FULL" position and turn the starter switch key to
"ON" position.
Specifications
Quick type (bimaterial)
Standard type
2. After the preheat lamp goes off, turn the starter key to "START" position and start up the engine. The preheat
lamp turns on at "START" position as well.
3. Release your hand from the key when the engine starts up. The key returns to "ON" (operating) position auto-
matically.

Manual glow plug

1. Turn the starter key to "HEAT" position. The preheat duration is as follows;
2. After the preheat lamp glows, turn the starter key to "START" position and start up the engine.
3. Release your hand from the key when the engine starts up. The key returns to "ON" (operating) position auto-
matically.
3-4
Table 3-1 Preheat duration (automatic grow plug)
Water temperature
Low water temperature
(5°C [41°F] or below)
High water temperature
(5°C [41°F] or above)
Any time

Table 3-2 Preheat duration (manual grow plug)

Ambient temperature
+5°C [41°F] or higher
-5°C [23°F] or higher,
less than +5°C [41°F]
less than -5°C [41°F]
Approx. 6 or 10 seconds
Preheat duration
Approx. 10 seconds
Approx. 15 seconds
Approx. 20 seconds
Preheat duration
Approx. 3 seconds
Approx. 1 seconds