GTTZ10EJ Maintenance Manual 5-1 © Mar. 2022
5 MAINTENANCE
This section provides detailed procedures for regular
maintenance inspections.
UNSAFE OPERATION HAZARD
Failure to follow the proper
maintenance may result in death,
serious injury or damage to the
machine.
Follow these general 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.
• Routine maintenance inspections on this machine
must be conducted by professionally trained,
qualified personnel.
• 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.
• Damaged or malfunctioning machines must be
immediately removed, marked and stopped from
operation.
• 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 quarterly inspection on machines that have
been out of service for a period longer than three
months.
• Without the manufacturer’s approval, do not change
any parts, especially those load-bearing and safety-
relevant parts. While maintaining the machine,
replace any parts on the machine using the same
parts or the equivalent parts of the original machine.
• Any change that may affect the stability, strength or
performance of the machine, must obtain the
manufacturer’s prior approval.
• After any major change or maintenance that may
affect the stability, strength or performance of the
entire machine or its parts, the machine must be
inspected and verified.
• Unless otherwise specified, perform all
maintenance procedures according to the following
terms and conditions:
– Park the machine on flat, level, firm ground.
– Keep the machine in the stowed position.
– Ensure the key switch of the ground controller is
in the OFF position and remove the key to
prevent unauthorized use of the machine.
– Place the red emergency stop button on the
platform control box and ground controller in the
OFF position to avoid accidental start-up of the
operating system.
– Disconnect main power switch.
– Disconnect all DC power from the machine.
– Lock all wheels to prevent movement of the
machine.
– Before releasing or removing the hydraulic
components, release the hydraulic oil pressure
in the hydraulic pipeline.
MAINTENANCE SCHEDULE
There are a number of factors which can affect the
design life including but not limited to, severity of
operating conditions/routine maintenance. Dependent
on the frequency of use and severity of the operating
environment, planned inspections shall be carried out
by the personnel qualified in the maintenance and
service of the machine models involved to ensure the
aerial work platform can work safely and effectively for
a long time. Maintenance operations must be carried
out by a SINOBOOM-approved qualified technician,
and recorded in the maintenance inspection report.
The table below is the Maintenance Schedule
recommended by SINOBOOM. The harsher the
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