Doosan Mega 500-V - 1,000 Hour; 6 Month Service

022-00029AE Operation and Maintenance Manual Inspection, Maintenance and Adjustment 4-37
1,000 HOUR / 6 MONTH SERVICE
PERFORM ALL 10 HOUR / DAILY, 50, 150, 250, AND 500 HOUR SERVICE CHECKS
CHANGE RADIATOR COOLANT
1. Slowly open the radiator cap (Figure 68) to
allow any pressure to escape.
NOTE: Do not remove the coolant filter.
2. Place a container under the radiator and
open the drain valve (Figure 69).
WARNING!
1. Allow the engine to cool before releasing the radiator cap. Make sure to loosen the cap
slowly to release any remaining pressure.
2. Radiator cleaning is performed while the engine is running. Take extreme caution when
working on or near a running engine. Make sure to lock out and tag the controls notifying
personnel that service work is being performed.
3. Do not remove the radiator cap unless it is required. Observe the coolant level in the
coolant recovery tank.
WARNING!
Vent air in intercooler. Be sure to vent air
from intercooler to prevent damage to
engine.
Figure 68
Figure 69