Shindaiwa DGK180F Owner's And Operator's Manual page 54

(12) Coolant Replacement
Replace
1
Set a container to catch spilled coolant.
2
Remove the radiator plate.
3
Remove the radiator cap.
4
Remove the radiator coolant drain plug.
5
Loosen the engine coolant drain plug.
6
Apply sealant coating to the radiator coolant drain
plug or wrap it in seal tape.
7
After the coolant has been drained, tighten the
coolant drain plug.
8
Remove the sub-tank and flush the coolant from
the sub-tank.
9
Reattach the sub-tank to its original position and fill with coolant until it reaches the FULL
level.
10
Fill the radiator with coolant until it reaches the filler neck.
11
Re-attach and tighten the radiator cap.
12
Attach the radiator plate.
< Note >
 After reinserting the coolant drain plug and shortly after starting the engine, be sure to always
check that there is no coolant leakage.
Every 1000 hours or every 1 year
Sub-Tank
FULL
LOW
Radiator
Coolant
Drain Plug
Radiator Plate
Radiator Cap
&
Filler Neck
51
Engine
Coolant
Drain Plug