GTZZ18J Operation Manual 9-1 © Oct. 2022
9 MAINTENANCE
This section provides detailed procedures for regular
maintenance inspections. For further information about
maintenance, please see the Maintenance Manual.
UNSAFE OPERATION HAZARD
Failure to follow proper maintenance
procedures 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.
• Only professionally trained, qualified personnel can
conduct routine maintenance inspections on this
machine.
• Daily routine maintenance inspections must be
performed 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 be
performed at quarterly, biannual and annual
intervals. 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 from service, mark 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 more than three
months.
• Without the manufacturer’s approval, do not change
any parts, especially those load-bearing and safety-
relevant parts. The replacement parts used in the
maintenance should be identical with or equivalent
to the original parts.
• 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, the maintenance
procedures must be performed 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.
– Push in the red emergency stop buttons on
ground and platform controllers to OFF position
to avoid unintended start-up of the operating
system.
– Turn off the main power switch.
– Disconnect all DC power from the machine.
– Lock all wheels to prevent movement of the
machine.
– Before unscrewing or removing the hydraulic
components, release the hydraulic oil pressure
in the hydraulic circuit, particularly with the
counterbalance valve on the cylinder.
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
To Next Page
Loading...
