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TM 9-2320-356-BD
7-13.
HOSE COLLAPSE
General Information:
When the rubber in the coolant hoses starts to deteriorate, it becomes soft and has
a spongy feeling.
Overheating problems that occur only at high engine speeds are
normally from collapse of a deteriorated hose on the suction side of the water
pump.
The hose can be reinforced by inserting a rigid hollow object like a can or
coiled wire to prevent the hose from collapsing.
Limitations:
o None
Personnel/Time Required:
o 1 soldier
o 15-60 minutes
Materials/Tools:
o Tin can
o Stiff wire (coat hanger,
welding rod)
Other Options:
o Operate at reduced engine speed.
Procedural Steps:
1.
Gain access to hose.
2.
Drain coolant.
3.
Loosen and remove clamp from one end of the hose. Disconnect hose.
4.
Insert a can, with ends removed, or bent wire into the hose.
5.
Connect and tighten the hose.
7-12
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