TM 9-2350-261-20-2
D R A I N C O O L A N T S Y S T EM
INITIAL SETUP
Tools:
General Mechanics Tool Kit (Item 30, App D)
Materials/Parts:
Suitable container
Personnel Required:
Unit Mechanic
References:
See your -10
Equipment Conditions:
Engine stopped/shutdown (see your –10)
Carrier blocked (see your -10 )
Trim vane lowered and power plant front
access door open (see your – 10 )
Hull bottom access cover removed
(page 24–32)
Driver’s power plant access panel removed
(page 24-25)
Power plant rear access panel removed
(page 24-27 or 24–29)
DRAIN
C A U T I ON
Coolant in the cooling system must flow
WARNING
freely. If rust, scale, or sediment prevent
Hot radiator coolant can
the free flow of coolant, flush system per
bum you. Remove cap only
TB 750-651. This is to be done only as
if cool to touch. Drain cocks
necessary. Do not operate engine above
may be hot. Turn cap slow-
230°F (110°C). Serious engine damage can
ly
to
release pressure.
result.
Replace cap by pressing
down and turning until tight.
- -
NOTE
For partial drain, attach a length of 1/2
inch (13mm) hose to the drain cock on
thermostat housing or on deaerator
elbow.
Drain coolant into a clean
container. Save coolant for reuse. Close
drain cock.
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