TM 9-4520-271-14
UNIT MAINTENANCE INSTRUCTIONS
ARMY SPACE HEATER H-140
NSN 4520-01-477-0568
PMCS INTRODUCTION
INTRODUCTION
PMCS and lubrication are performed to keep the ASH in operating condition. Inspect the ASH within specified intervals so
defects are found and corrected or problems are reported before any serious damage or failure occurs. Do the PMCS and
lubrication per the PMCS, Including Lubrication Instructions work package (WP 0017 00). Pay attention to WARNING and
CAUTION statements. A WARNING means someone could be hurt. A CAUTION means equipment could be damaged.
NOTE
Designated intervals are performed under usual operating conditions. PMCS intervals must be performed
more frequently when operating under unusual conditions.
1.
Be sure to perform your PMCS each time you operate the equipment. Always do your PMCS in the same order so that it
gets to be a habit. Once you have had some practice, you will quickly spot anything wrong.
2.
If you find something wrong when performing the PMCS, fix it if you can using the Unit Troubleshooting Procedures
work package (WP 0012 00).
3.
If anything looks wrong and you cannot repair it, write it on your DA Form 5988-E.
EXPLANATION OF COLUMNS IN THE PMCS
1.
The ITEM column is a numeric listing of the order in which you are to do the check or service.
2.
The INTERVAL column tells you when to do a certain check or service.
3.
The ITEM TO BE CHECKED OR SERVICED column tells you what equipment to check or service.
4.
The PROCEDURE column tells you how to do the required check or service. Carefully follow these instructions.
NOTE
The terms ready/available and mission capable refer to the same status: Equipment is on hand and ready to
perform its combat missions. Refer to DA PAM 738-750.
5.
The EQUIPMENT IS NOT READY/AVAILABLE IF: column tells you when your equipment is not mission capable
and why the equipment cannot be used.
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