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TM 55-1905-220-14-7
3-175. STARTING AID - MAINTENANCE INSTRUCTIONS
LOCATION
ITEM
ACTION
REMARKS
a.
When starting an internal combustion engine in cold weather, a large part of energy is absorbed
by the pistons, cylinder walls, coolant and in overcoming friction.
b.
Under extremely low temperatures the cold oil in the bearings and between pistons and cylinder
walls creates high friction, thus engine starting is harder than when the engine is warm.
c.
The normal diesel starting is to ignite the fuel sprayed into the combustion chamber by the heat
of air compressed in the cylinder. This temperature is high enough for normal operating conditions, but at
extremely low temperatures may not be high enough to ignite the injected fuel.
WARNING
Do not activate the starting aid more than once with the engine
stopped. Overloading the engine air box with this highly volatile
fluid could result in a minor explosion.
NOTE
The starting aid is not intended to correct deficiencies but for
use when other conditions are normal and air temperature is too
low for heat of compression to ignite the fuel-air mixture.
This task covers:
a. Inspection
c. Replacement
b. Service
d. Disassembly
INITIAL SETUP :
Test Equipment
Reference
None
None
Equipment
Special Tools
Condition
Condition Description
None
None
Material/Parts
Special Environmental Conditions
Cylinder starting aid LP-535
None
Valve repair kit LP-3250
Personnel Required
General Safety Instructions
1
None
3-3000

 


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