TM 5-3805-261-20
COOLING SYSTEM MAINTENANCE.
6-48.
Radiator Servicing. (Sheet 2 of 4)
DRAINING
WARNING
STEAM UNDER PRESSURE
Loosen radiator cap slowly to relieve
pressure before completely removing
when the engine is hot. Failure to
follow this procedure may cause
INJURY. If you are scalded by steam,
seek medical aid immediately.
CAUTION
If machine is to be stored in, or
shipped
to
an
area
with
below
freezing temperatures, the cooling
system must either be protected to
the
lowest
expected
ambient
temperature, or drained completely.
When permanent antifreeze and water
solutions are used in the cooling
system,
the
solution
should
be
drained and replaced every 2000
service hours or one year, whichever
comes first.
1.
Loosen radiator cap (1, Figure 6-120) slowly
to relieve pressure and remove.
2.
Open drain cock (2, Figure 6-121) under
radiator and drain coolant in suitable
container.
3.
Close drain cock (2).
Figure 6-121.
Go to Sheet 3
6-171
Figure 6-120.
