8 INSPECTION AND MAINTENANCE
Mitsubishi Diesel Engine S12R OPERATION & MAINTENANCE MANUAL
156
Pub. No. 291Y1-40720 Revision: 5
Corresponding Devices -
Location
Examples of corresponding equipment at the
engine side are given as follows. For the actual
location, refer to "2
ENGINE - OUTLINE" (→ Page
75).
<S12R-Y1PTA - Right-Side View>
Fig. 8-79 <S12R-Y1PTA - Right-Side View>
<S12R-Y1PTA - Left-Side View>
Fig. 8-80 <S12R-Y1PTA - Left-Side View>
Coolant - Replace
â– Coolant - Drain
• When draining coolant immediately
after engine operation, run the engine
at low idle for 5 to 6 minutes and check
that the coolant becomes to the room
temperature.
1 Prepare a container for receiving
drained coolant and place it under
the coolant drain cock on the engine
body.
• The customer is required to prepare
the container.
2 Slightly open the coolant drain cock
(1) on the engine body.
Fig. 8-81 Coolant Drain Cock on Engine Body
3 Connect a clear plastic tube (3) to
the coolant drain cock (2) on the
water pump and fix with a band.
Fig. 8-82 Coolant Drain Cock on Water Pump
Table 8-7 Corresponding Equipment - Location
Part Name
(1) Coolant drain cock
(engine body)
(2) Thermostat
(3) Water pump
(1) (3)
(2)
(1)
(2)
(1)
(2)
(3)
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