8 INSPECTION AND MAINTENANCE
Mitsubishi Diesel Engine S12R OPERATION & MAINTENANCE MANUAL
158
Pub. No. 291Y1-40720 Revision: 5
8 Open the coolant drain cock (2) on
the water pump.
ï‚®Coolant is drained.
Fig. 8-88 Coolant Drain Cock on Water Pump
â– Cooling System - Clean
When using the engine or radiator for the first time
or after a long term storage, clean the cooling
system.
1 Close the coolant drain cock (1) and
(2) on the engine body and water
pump.
Fig. 8-89 Coolant Drain Cock on Engine Body
Fig. 8-90 Coolant Drain Cock on Water Pump
(2)
When handling cleaning solution for
washing the cooling system, obey the
manufacturer's SDS.
* Improper wearing or using of personal
protective equipment may cause personal
injury.
(1)
(2)