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3.2.3 Examine the push button station (pendant):
• Is the push button case or cover broken or damaged in any way?
• Is the pendant cable cut or damaged?
• Does the pendant operate correctly?
• Any problems with the electrical operation such as intermittent contact?
• Is the plug clean and undamaged?
3.2.4Examination of limit switches:
• Does the limit paddle move (rock) freely? If not check for damage or corrosion, possibly it needs
to be lubricated.
• Do the upper and lower limits operate correctly?
3.2.5 Examination of hoist hook.(ref. Picture 23)
• Is the hoist hook bent or distorted? If so, it must be replaced..
• If the hook saddle thickness (H) is reduced by 5% of the hook thickness (ref Digraph 23) then the
hook must be replaced.
• If the shape of the width of edge changes (L), please change the hook immediately for safety
reason.
3.2.6 Examination of the chain container:
• Does the hoist hook or load chain catch on the container?
• Is the bag ripped or the frame bent or damaged?
• Any other object in the container except the chain?
3.2.7 Examination of the power cord and other electrical cables:
• Are any of the electrical cables pulled out?
• Are the cables damaged or cut?
• Are the plugs in good order and tight?
3.2.8 Examine all screws in insure a good tight connection.
4.
4.
4.
4. Troubles
Troubles
Troubles
Troubles hooting
hooting
hooting
hooting and
and
and
and maintenance:
maintenance:
maintenance:
maintenance:
4.1
4.1
4.1
4.1 Maintenance:
Maintenance:
Maintenance:
Maintenance:
4.1.1 Disconnect the power source and lock the box out prior to performing maintenance.
4.1.2 Do not leave any tools or parts on the trolley, hoist or rail.
PICTURE 23