TM-5-2350-377-14-P
ARMORED COMBAT EARTHMOVER (ACE), M9
TECHNICAL MANUAL; OPERATOR'S, UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST) SUPPORTING THE HYDRAULIC BLADE FOLDER-TRACK TENSIONER (HBF-TT)
TM-5-2350-377-14-P - Page 42 of 335
TM 5-2350-377-14&P
0008 00
TROUBLESHOOTING PROCEDURES
GENERAL REPAIR AND CLEANING METHODS
This section contains general repair methods and cleaning methods. If special repair or cleaning methods are required
for a component or part, specific repair or cleaning instructions are included in the individual maintenance tasks in their
work packages.
a.
Complete disassembly is not always necessary to make a repair. Exercise good judgment to keep disassembly
and assembly to a minimum.
b.
Repairorreplace unserviceable partsandhardware. Replace packings, gaskets,seals,andlocking hardware with
new parts when necessary.
c.
Remove burrs with a stone or file. Remove burrs on closely fitted mating surfaces by lapping the surfaces with
abrasivegradecompound.
d.
Remove corrosion or rust with abrasive (crocus) cloth (Item 10,WP 0055 00). Use the method that willnot damage
thesurfacebeingcleaned. Crocusclothshouldbeusedtoremovecorrosionandrustfrompolishedsurfaces. Ensure
that critical dimensions are not altered when using crocus cloth.
e.
Repair damaged threads with a thread chaser or die.
f.
When welding is required and authorized, procedures in TM 9-237 must be followed. Welds must be inspected for
cracks.
g.
Bearings should be inspected and maintained following procedures in TM 9-214.
h.
Clean electrical ground contacts with crocus cloth (Item 10, WP 0055 00). Ensure ground connections are tight.
i.
Repair chafed, broken, or damaged electrical wiring with insulation tape, electrical, specification HH-I-595. When
soldering is required, procedures in TM SIG 222 must be followed.
j.
Paint metal surfaces as required.
CLEANING
WARNING
Wear face shield or goggles for eye protection when using wire brush. Failure to
comply may result in injury to personnel.
a. Use wire brush to remove rust and corrosion from metal parts.
WARNING
Cleaning solvent (PF05) iscombustible. Wearprotective goggles andgloves; useonly
in a well-ventilated area; avoid contact with skin, eyes, and clothes; and do not
breathe vapors. Keep away from heat or flame. Never smoke when using cleaning
solvent;theflashpointis144°F(62°C). Failuretofollowthiswarningmayresultininjury
or death to personnel. A fire extinguisher will be kept nearby when the solvent is
used.
b.
Clean metalparts withcleaning solvent (Item 7,WP0055 00). Metal orfiber brushes maybeusedtoapplycleaning
solvent and to remove softened or dissolved material. Hand scraping with metal scrapers may be used to remove
soft coatings or deposits.
000800-1
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