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B-01286 USLR-XLT Maintenance (11-25-19)
13. Utilize a standard voltmeter to check continuity (reading Ohms). Attach or hold one
lead of the voltmeter to the Hook Loop of the tool. Hold or attach the other lead to
the XLT Arm Assembly. When the tool is in the closed position you should measure
approximately zero Ohms resistance. Slowly extend the Yellow Tube to open the tool
and watch the Ohms readings. The Ohms should stay very low until the tool is almost
fully extended. Just as the Yellow Tube reaches full extension, the tool should break
load and simultaneously lock in the full open position. Measured Ohms should go
“off scale” indicating that the electrical circuit between the Hook Loop and the Arm
Assembly has been broken.
If the measured Ohms go “off scale” as the Yellow Tube is being operated, but before
the tool is fully extended, the tool needs repair and should not be used. The tool
should also operate smoothly.
14. Unscrew the Black External Gasket (C-00513)and apply a single drop of Loctite 425
(B-00856) to the berglass threads on the Black Tube Assembly and re-tighten the
Black External Gasket (C-00513). This will act to prevent the gasket from loosening
during use.
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