GTTZ10EJ Operation Manual 9-1 © Mar. 2022
9 MAINTENANCE
This section provides detailed procedures for regular
maintenance inspections. For further information about
maintenance, please see Maintenance Manual.
UNSAFE OPERATION HAZARD
Failure to follow the proper mainte-
nance may result in death, serious in-
jury or damage to the machine.
Follow these general rules:
• Preventive maintenance procedure should be es-
tablished by the user according to the manufac-
turer’s recommendations, machine operational
environment and intensity of use, which should in-
clude 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. Mainte-
nance inspectors must carry out inspection and
maintenance according to the repair & inspection re-
port and must complete the repair & inspection
report.
• Regular maintenance inspections must occur by op-
erators and at quarterly, biannual and annual inter-
vals by qualified, trained personnel. Qualified,
trained personnel must check and maintain the ma-
chine 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 be-
fore 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 condi-
tions and environment.
• Conduct a quarterly inspection on machines that
have been out of service for a period lasting 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, re-
place any parts on the machine using the same
parts or the same parts of the original machine.
• Any change that may affect the stability, strength or
performance of the machine, must obtain the manu-
facturer’s prior approval.
• After any major change or maintenance that may af-
fect the stability, strength or performance of the en-
tire 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 pre-
vent unauthorized use of the machine.
– Place the red emergency stop button on the plat-
form 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 com-
ponents, 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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