DV11
Operation and Maintenance
168
Commissioning and Operation
Printed in Mar. 2005 PS-MMA0608-E1A
4.4. Operation in winter time
Pay special attention to the freezing of cooling water and the viscosity of lubricating
oil.
4.4.1.
Operation in winter time
Operation 1 :
Turn the key switch to the
HEAT
position, then the pilot lamp lights
up for about 20 seconds When the pilot lamp is extinguished, do
operation 2
Behavior
- When the coolant temperature is below 10
°
C in cold weather, you’d
better operate the pre-heating system (Air heater).
- If the pre-heating is not necessary, the pre-heating system is not
operated with the pilot lamp.
Operation 2 :
After checking the pilot lamp, turn the key switch to the
START
position to crank the engine, at once.
Behavior
- When the key switch is placed in the
START
position, air heater is
continuously heated to facilitate starting operation and to reduce
white smoke automatically.
- If the coolant temperature is above 10
°
C, air eater needs not be
heated.
Operation 3 :
After the engine is cranked, convert the key switch to the ON position.
Behavior
- As the engine is cranked, air heater is heated for 180 seconds (3
minute after-heating) to reduce and to element quickly white smoke.
CAUTION :
1. Preheating devices are attached to the engine for improving the starting
abilities at extremely low temperature.
2. Do not actuate the starter for longer than 10 seconds. If starting fails
regardless of the preheating, start the preheating again after 30 seconds
.
Downloaded from
www.Manualslib.com
manuals search engine
