TM 5-3805-280-10
Operational Checkout
5 HYDRAULIC THUMB CHECK
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5a INSPECT THE
Is the hydraulic thumb hardware loose?
YES: Contact
HYDRAULIC THUMB
maintenance shop.
Is there damage and weld cracks?
NO: Go to the next
Do pin joints have excess wear and play?
check.
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6 QUICK-DISCONNECT HITCH CHECKS
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6a HITCH CHECK
YES: Contact
maintenance shop.
NO: Go to next check.
T120322 UN29MAR99
Inspect hitch.
Are there damage or weld cracks?
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6b LATCH CYLINDER,
Check latch cylinder, hoses, and connections for leaks.
YES: Go to your
HOSES, AND
authorized dealer for
CONNECTIONS
repair if oil leakage is
Is oil leaking from latch cylinder, hoses, or connections?
CHECKS
noticed.
NO: Go to next check.
T120455 UN25MAR99
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21-17