Komatsu WA800-1 Operation & Maintenance Manual page 107

9. When the water is completely
10
*
11.
12.
13.
clean, stop the engine and close
drain valves (3). (4) and (5).
Replace the corrosion resistor
cartridge with a new part, and
open the corrosion resistor
valve (I 1.
For details of replacement of
the corrosion resistor, see
EVERY 1000 HOURS SERVICE.
Add soft water until it overflows
from the water filler.
To remove the air in the cooling
water, run for 5 minutes at low
idling, then for another 5 mi-
nutes at high idling.
When doing this, leave radiator
cap (2) off.
Stop the engine, wait for about
3 minutes, add soft water to
the specified level, then tighten
cap (2).
Use city water for the cooling
water.
If river water, well water or
other such water supply must
be used, contact your Komatsu
distributor.
Do not use any alcohol base
antifreeze.
Be sure to replace the corrosion
resistor cartridge.
A
Do not remove the cap while
cooling water is hot. Hot water
may spout out.
When removing radiator cap,
lift the lever to relieve inner
pressure.
WHEN REQUIRED
b. CHECK, CLEAN AND REPLACE
AIR CLEANER ELEMENT
Checking
Whenever the red piston in dust
indicator (I) appears, clean the air
cleaner outer element. Stop the
engine when cleaning the element.
w-o.4317
- 107-