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TROUBLESHOOTING INDEX - TM-9-4520-271-140083
INTRODUCTION - TM-9-4520-271-140086

TM-9-4520-271-14 Improved Army Space Heater (IASH) Electric Powered Multi-fuel 140 000 BTU Model H-140 Manual
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TM 9-4520-271-14
0010 00
OPERATOR TROUBLESHOOTING PROCEDURES
ARMY SPACE HEATER H-140
NSN 4520-01-477-0568
OPERATIONAL CHECKOUT AND TROUBLESHOOTING PROCEDURES
INITIAL SETUP:
Test Equipment
References
None
WP 0002 00, table 3
WP 0005 00
FM 4-25.11
Tools and Special Tools
None
FM 10-67-1
Personnel Required
Materials/Parts
One
None
Equipment Condition
None
WARNING
Heat exchanger overheating may damage the ASH and under some conditions a safety hazard may result.
An overheat shutdown occurs when the combustion air and ventilation air fan assemblies are turned off at
the same time when in the heating modes. Always set the control panel MODE SWITCH to the VENT
position for at least 2 minutes when shutting down the ASH from the heating modes.
Contact with hot components can cause burns. Allow ASH to cool down before attempting service,
inspection, or maintenance activity.
FOR FUEL SPILLS, REFER TO FM 10-67-1, CONCEPTS AND EQUIPMENT OF PETROLEUM
OPERATIONS.
Fuel is flammable and toxic to eyes, skin, and respiratory tract. Skin/eye protection is required. Avoid
repeated/prolonged contact. Use only in well-ventilated areas. Keep away from open flames or other
sources of ignition. Post FUEL FLAMMABLE/NO SMOKING signs around the area. Be sure a fire
extinguisher is available.
Fuel on clothing can be fatal if ignited by a static discharge. If fuel gets on clothes, leave the refueling area
as soon as possible, remove clothes, and wash skin with warm, soapy water before getting dressed.
Spilled fuel creates a flammable, vapor-air mixture and fire can take place. Improper positioning of
external fuel source can cause fuel tank to overflow. Stop refueling immediately if fuel spill occurs.
0010 00-1






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