Mitsubishi S12R Service Manual

8 INSPECTION AND MAINTENANCE
Mitsubishi Diesel Engine S12R OPERATION & MAINTENANCE MANUAL
159
Pub. No. 291Y1-40720 Revision: 5
2 Pour cleaning solution (non-
corrosive to rubber and metals) into
the cooling system through the
cooling filler cap.
3 Operate the start switch of the
generator "
Starting and Stopping
Devices Installed during
Manufacturing the Generator" (→
Page 86) to start the engine.
4 Operate the engine at the rated
speed for about 15 minutes.
5 Operate the stop switch of the
generator "
Starting and Stopping
Devices Installed during
Manufacturing the Generator" (→
Page 86) to turn off the engine.
6 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.
7 Connect a clear plastic tube (3) to
the coolant drain cock (2) on the
water pump and fix with a band.
Fig. 8-91 Coolant Drain Cock on Water Pump
• Prepare a plastic tube (5 mm [0.20
in.] in diameter, approx. 1 m [39.97
in.] long) and a band.
8 Prepare a container for receiving
drained cleaning solution and place
it under the coolant drain cock on
the water pump.
Fig. 8-92 Container to Receive Tap Water
• The customer is required to prepare
the container.
9 Open the coolant drain cock (1) and
(2) on the engine body and water
pump.
The cleaning solution poured in Step 2 is
drained.
Fig. 8-93 Coolant Drain Cock on Engine Body
Fig. 8-94 Coolant Drain Cock on Water Pump
(2)
(3)
(1)
(2)

Mitsubishi S12R Specifications

General

Brand	Mitsubishi
Model	S12R
Category	Engine
Language	English