© Nov. 2022 9-4 GTZZ25J Operation Manual
MAINTENANCE
REPAIR & INSPECTION REPORT
Items
YES/Machine is
in Good
Condition
NO/Machine Has
Damage or
Malfunction
REPAIRED/
Machine Has
Been Repaired
Problem
Description
B-1 Inspect and Replace
Hydraulic Oil Tank Return
Filter Element
B-2 Inspect Rim, Tire and
Fasteners
B-3 Inspect Hydraulic Oil
B-4 Inspect Cooling System
B-5 Replace Fuel Strainer
Element (fuel-water
separator)
B-6 Inspect Air filter of
Hydraulic Tank
B-7 Replace High-Pressure
Filter Element
B-8 Replace Air Filter
Element of Engine
B-9 Inspect Length and Angle
Sensors
B-10 Inspect Engine Exhaust
System
B-11 Inspect Drive Reducer
Oil Level
B-12 Inspect Slewing
Reducer Oil Level
B-13 Inspect Slewing Bearing
Bolts
B-14 Lubricate Slewing
Bearing
B-15 Inspect Platform Rotate
Cylinder Fasteners
B-16 Test Cylinder Drift
B-17 Inspect Counterbalance
Valve Locking
B-18 Inspect Electrical Wiring
B-19 Inspect the Battery
B-20 Test Oscillate Outriggers
B-21 Test Drive Speed
B-22 Inspect Emergency
Lowering
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