TM 5-1940-322-10
0045 00
PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)
INTRODUCTION (Contd)
Trouble Spots (Contd)
Check welds for loose or chipped paint, corrosion, or cracks/separation where parts
are welded together. If weld is broken, notify your supervisor.
Check electric wires and connectors for cracked or broken insulation.
Check hoses and fluid lines for wear, damage, and leaks. Verify clamps and fittings
are tight. Wet spots show leaks and a stain around a fitting or connector can mean a
leak. Report broken or leaking hoses or lines to your supervisor.
Check control cables and linkages for loose or broken cables, bent or broken rods,
and loose connections. Report damaged or broken cables, bent or broken rods, and
loose connections to your supervisor.
Check hatches when opening battery, engine, and hydrojet compartment for missing
fasteners, hinges, and stays. Report any missing or broken components to your
supervisor.
Class Leakage Definition
CAUTION
Equipment operation is allowable with minor leakages
(Class I or II) depending on the fluid capacity on the item
being inspected. Report problems to your supervisor.
When operating Class I or Class II leaks, continue to
check fluid level as required in your PMCS. Verify that
current leaks have not become Class III leaks.
Class III leaks should be reported to your supervisor;
boat should not be operated with Class III leaks.
Wetness around seals, gaskets, fittings, or connections indicates leakage. A stain also
indicates leakage. If a fitting or connector is loose, tighten it. If a fitting or connector
is broken or defective, notify your supervisor.
Use the following leak definition as a guide:
Class I-- Leakage indicated by wetness or discoloration but not great enough to
form drops.
Class II-- Leakage great enough to form drops but not enough to cause drops to
drip from item being checked/inspected.
Class III-- Leakage great enough to form drops that fall from the item being
checked/inspected.
0045 00-3
