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Cooling system
Repair Instructions
Coolant, draining (20A-01)
Applies to MD22L-B, MD22P-B, TMD22-B,
TMD22P-C, TAMD22P-B
WARNING! Do not drain coolant when the en-
gine is still warm and the system is pressu-
rized, as dangerous hot coolant may spray out.
1
Remove the coolant tank filler cap.
2
Drain the coolant using the cock (A1) on the star-
board side of the engine block.
3
Install the drain plug and the filler cap.
4
Place a suitable label on the engine control panel
stating that the coolant has been drained.
Coolant, draining (20A-01)
Applies to MD22A, MD22L-A, TMD22A
WARNING! Do not drain coolant when the en-
gine is still warm and the system is pressu-
rized, as dangerous hot coolant may spray out.
1
Remove the coolant tank filler cap.
2
Drain the coolant by removing the plug (A1) on the
starboard side of the engine block. Ensure that the
drain hole is not blocked by contaminants.
3
Drain the heat exchanger / manifold / coolant tank
assembly by removing the drain plug (A2). Ensure
that the drain hole is not blocked by contaminants.
4
Drain the oil cooler by opening the drain plug (A3).
Ensure that the drain hole is not blocked by con-
taminants.
5
Install the drain plugs and the filler cap.
6
Place a suitable label on the engine control panel
stating that the coolant has been drained.
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