Servicing Engine Cooling System - Red-D-Arc D55OK HO Owner's Manual

8-8. Servicing Engine Cooling System

Tools Needed:
3/8 in.
3
!
Stop engine and let cool.
1 Radiator Cap
2 RAdiator Air Bleed Screw
3 Radiator Drain Cock
Drain engine coolant according to
procedure in engine manual.
.
Check coolant level according
to Section 5-9 before starting
this procedure.
Engine coolant is a mixture of water
and ethylene glycol base anti-
freeze. A solution of 50% antifreeze
and 50% water must be used in this
engine. Do not use 100% antifreeze
or severe damage will occur.
If changing coolant or if coolant lev-
el is below bottom of radiator filler
neck, add coolant as follows:
Remove air bleed screw. Add cool-
ant to radiator until coolant is at bot-
tom of filler neck. This ensures all
air is purged from the system.
Reinstall air bleed screw and radia-
tor cap. Check coolant level in re-
covery tank (see Section 5-9).
2
1
Full
Capacity: w/Overflow
Tank 10 qt (9.5 L)
Ref. 804 583-A / Ref. 803 136
OM-243 907 Page 43