GTTZ10EJ Operation Manual A-9 © Mar. 2022
APPENDIX 4: MAJOR MODIFICATION AND
REPAIR RECORD
Major Modification and Repair Record
Model
Serial No.
Date
Problem Description Modification/Repair Item
Machine
Status
af-
ter Change
Repairman’s
Company and
Position
Repair-
man
Signature
Note:
1. A major modification/repair is a modification/repair made to all or part of a machine that affects the stability,
strength or performance of the machine.
2. Use this form to record major modifications/repairs made to the machine. Keep the form properly until the ma-
chine is taken out of service, or as requested by the machine owner/company.
3. The machine must be inspected and verified after major modifications/repairs, with the inspection items includ-
ing but not limited to all items in the maintenance and inspection report.
4. If the inspection result of each item in the Maintenance and Inspection Report is “YES”, the “Machine Status
after Modification/Repair” in the form will be “Good” and the machine can be used. If either inspection result is
“NO”, the machine must be re-inspected after the repair is completed until the machine is in “Good” condition
before continuing to use the machine.
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