Periodic Voluntary Inspection; Disassembly / Assembly - Hitachi L Series Service Manual

6-3. Periodic voluntary inspection

• In order to use the Electric chain hoist safely and to fully utilize its functions, ensure to carry
out periodic voluntary inspections.
* Conduct the monthly voluntary inspection at least once a month, and the annual voluntary
inspection at least once a year.
• The voluntary inspection should be carried out by a person with expertise commissioned by
the business operator.
* There is a risk of accident due to falls, abnormal operation etc.
• If any consumable part is found to have exceeded the standards of usage limits in the
monthly, annual voluntary inspections or any other inspections, or if any other abnormality is
found, stop use until the issue is addressed.
* Using with abnormalities may lead to electric shocks and fall accidents, which are
extremely dangerous. Ensure to take appropriate measures such as adjustment or
replacement.
• Never use other than genuine Hitachi parts for replacement.
* There is a risk of injury due to electric shocks or falls for breakage of parts.

6-4. Disassembly / Assembly

1. Disassembly of the housing and the rotor
( 1 ) Remove the 6P connector and 9P connector from the main unit.
( 2 ) To unplug, pull out the plug while pushing out the stopper of the plug receptacle with a screwdriver etc.
( 3 ) Remove 4 screws (M6×12) and remove the side cover.
Screw M6×12
Side cover
( 4 ) To remove the switch stand, remove all the motor wires, transformer wires, and brake wires connected to
the terminal block.
* The switch stand cannot be completely removed unless the wires other than the motor wires are also
removed.
DANGER
( 3 )
6P connector
- 15 -
15A 8P terminal block
( 1 )
Switch stand
9P connector