PIN 2743403 - Caterpillar

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(2) Extension Arm (4) Arm Extension Adjustment Screw
To avoid damage to the lifting group, do not use an impact wrench to rotate the adjusting screw. Use a hand wrench or socket. Do not adjust the extension arms while a load is suspended from the tool.
Attach an appropriate overhead lifting device to lift and support 142-1664 Adjustable Lifting Bracket Group .Note: Refer to the appropriate service manual for additional information on using specific lifting bracket attachments.
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Attach load or adapter bracket to lower mounting plate (3). Only use 10.9 Metric or Grade 8 (English) hardware. Tighten all fasteners to standard torque.
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General Usage
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Do not use the lifting bracket group unless load capacity markings are legible.
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Do not use the lifting bracket group to lift at any angle other than vertical.
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Do not use the lifting bracket group to position or rotate loads off center.
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Do not extend or retract the lifting bracket extension arms while a load is suspended from the tool.
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Do not use end plate (5) holes for lifting a load.
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After each use, fully retract both extension arms (2). Store the lifting bracket group laying flat in a clean, dry area.
It is always important to lay the lifting bracket group flat during storage to prevent the lifting bracket group from falling.
Maintenance
Inspect the lifting bracket group, including adapter plates and bracket extension assemblies before each use. Immediately replace any damaged parts.
Inspect all welds and check for damaged or bent components.
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Inspect threaded holes in extension arms.
Clean the tool using a nonsolvent based cleaner.
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(9) Warning Film (10) NEEG2821 Warning Film
Replace 224-0554 (9) and NEEG2821 (10) Warning Films if damaged or missing.
Periodically lubricate arm extension by adjusting screw (4) using 222-3116 Dry Lubricant or equivalent.
Have tools inspected annually by an approved dealership inspector.
Internal threads can be damaged by moisture and/or high humidity. Store tool indoors in a clean, dry location, with extension arms retracted.
Lay the C-Frame flat for storage to prevent falling.
All relevant adaptors should be stored flat to prevent falling.
At the end of the operational life of the tool, destroy the tool and dispose of as scrap.