32
Radiator Cap
&
Filler Neck
Radiator Plate
FULL
LOW
Sub
-
Tank
Relation of Viscosity/Temperature
Temp.
(°F)
(3) Engine Oil Replacement Amount
Total Lubrication Oil Amount
6.2 gal
.
Value in parenthesis is the filter capacity
8-2. Checking Coolant
Check that the sub-tank coolant level is in between FULL and LOW. If the sub-tank coolant is
lower than the LOW level, add coolant to the sub-tank and radiator.
(1) Filling the Sub-Tank
Remove the sub-tank cap.
Fill the sub-tank with coolant until it reaches the
FULL line.
Re-attach the cap.
(2) Filling the Radiator
Remove the radiator plate.
Remove the radiator cap.
Fill with coolant through the filler neck until the
radiator is full.
Re-attach and tighten the radiator cap.
Attach the radiator plate.
< Note >
Use GM SPEC 6277M or equivalent.
Use a 50:50 mix of Long Life Coolant (LLC).
Always use potable water when mixing the coolant.
Use LLC with the same mixture ratio in the coolant
sub-tank.
Do not increase the LLC mixture ratio unless necessary. Doing so could result in overheating
or another fault/malfunction.
If adding LLC, be sure to use the same brand/type that is still in the generator.
Do not mix different brands/types. Doing so could result in a chemical reaction and the
creation of toxic substances.
CAUTION: BURNS
Do not open the radiator cap immediately after stopping the engine.Do so will result in
hot steam gushing out.
Hot steam gushes out from the coolant sub-tank if the generator overheats. Do not
touch the coolant sub-tank.
1
2
3
1
2
3
4
5
SAE 10W-30
-22
5
32
59
77
86 104
SAE 10W-40
SAE 15W-40
Summary of Contents for DGK125F
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