TB24 Plus&26J Plus Maintenance Manual 5-1 © Jun 2022
5 MAINTENANCE PROCEDURES
This section provides specific procedures for scheduled
maintenance inspection.
UNSAFE OPERATION HAZARD
Improper maintenance may result in
death, severe injury or machine
damage.
HIGH PRESSURE HAZARD
Before releasing or removing the
hydraulic components, release the
hydraulic oil pressure in the
hydraulic circuit, particularly with the
counterweight valve.
Observe the following rules：
• Preventive maintenance procedure should be
established by the user according to the
manufacturer’s recommendations, machine
operational environment and intensity of use, which
should include both the regular inspection and the
annual inspection.
• Professionally trained, qualified personnel must
conduct routine maintenance inspections on this
machine.
• Daily routine maintenance inspections must occur
during normal operation of the machine.
Maintenance inspectors must carry out inspection
and maintenance according to the repair &
inspection report and must complete the repair &
inspection report.
• Regular maintenance inspections must occur by
operators and at quarterly, biannual and annual
intervals by qualified, trained personnel. Qualified,
trained personnel must check and maintain the
machine according to the repair & inspection report
and must complete the repair & inspection report.
• Immediately remove a damaged or malfunctioning
machine, mark it and stop using it.
• Repair any damaged or malfunctioning machine
before operating it.
• Keep all machine inspection records for at least 10
years or until the machine is no longer in use or as
required by machine owner/company/custodian.
• The inspection and maintenance intervals depend
on the manufacturer’s recommendations, and
should also be appropriate to the operational
conditions and environment.
• Conduct a quarterly inspection on machines that
have been out of service for a period lasting longer
than three months.
• While maintaining the machine, replace any parts
on the machine using the same parts or the same
parts of the original machine.
• Unless otherwise specified, perform the
maintenance procedures according the following
terms and conditions:
– Park the machine on flat, level and solid ground.
– Place the machine in non-operating position.
– Turn the key switch on ground controller to OFF
position and remove the key to prevent
unauthorized use of the machine.
– Pull out the red emergency stop buttons on
ground and platform controls to OFF position to
avoid unintended start-up of the operating
system.
– Turn off the main power switch.
– Disconnect all DC power supply.
– Lock all wheels to prevent movement of the
machine.
CONDUCTING A PRE-
DELIVERY INSPECTION
When the machine owner/company changes, in
addition to conducting a pre-delivery inspection, the
corresponding inspection shall be carried out according
to the maintenance schedule requirement and repair &
inspection report. When conducting a pre-delivery
inspection, comply with the following requirements:
1. It is the responsibility of the machine owner/
company to perform a pre-delivery inspection.
2. Follow this procedure each time before delivery.
Performing a pre-delivery inspection could reveal
potential problems with the machine before you
begin putting the machine into service.
3. Never use a damaged or malfunctioning machine.
Tag the machine and do not use it.
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