© Nov. 2022 ii AB22EJ Plus Maintenance Manual
Application of Insulating Silicone
Grease to Electrical Connections . . . . . 4-6
5 Maintenance ...................... 5-1
Conducting a Pre-delivery Inspection . 5-2
Following a Maintenance Schedule . . . 5-2
Completing a Repair & Inspection
Report.................................5-3
Major Modification and Repair Record 5-5
Checklist A Procedures . . . . . . . . . . . . . . . 5-6
A-1 Inspect All Manuals. . . . . . . . . . . . . 5-6
A-2 Inspect All Decals . . . . . . . . . . . . . . 5-6
A-3 Inspect Damaged, Loose or
LostParts...........................5-6
A-4 Inspect Hydraulic Oil Level . . . . . 5-7
A-5 Check for Hydraulic Oil
Leakage ............................5-7
A-6 Perform Functional Test . . . . . . . . 5-8
A-7 Perform Maintenance after 30
Days...............................5-10
A-8 Exhaust Oscillate Cylinder . . . .5-10
A-9 Check Battery Level . . . . . . . . . . .5-10
Checklist B Procedures . . . . . . . . . . . . . . 5-11
B-1 Inspect and Replace Hydraulic
Oil Tank Return Filter Element . . . . . 5-11
B-2 Inspect Rim, Tire and
Fasteners..........................5-12
B-3 Check Hydraulic Oil . . . . . . . . . . .5-12
B-4 Inspect Electrical Wiring . . . . . . .5-12
B-5 Inspect Emergency Lowering .5-13
B-6 Inspect Air Filter of Hydraulic
Tank ...............................5-13
B-7 Replace High-Pressure Filter
Element............................5-13
B-8 Test Drive Speed . . . . . . . . . . . . . .5-14
B-9 Inspect Boom Envelope Limit
Travel Switch . . . . . . . . . . . . . . . . . . . . . .5-14
B-10 Inspect Tilt Protection . . . . . . . .5-15
B-11 Inspect Drive Reducer Oil
Level...............................5-16
B-12 Inspect Slewing Reducer Oil
Level...............................5-16
B-13 Inspect Slewing Bearing
Bolts ...............................5-16
B-14 Lubricate Slewing Bearing . . .5-18
B-15 Inspect Platform Oscillating
Cylinder Fasteners . . . . . . . . . . . . . . . .5-18
B-16 Test Cylinder Drift . . . . . . . . . . . .5-19
B-17 Test Counterbalance Valve
Locking ............................5-19
B-18 Test Oscillate Outriggers . . . . .5-20
B-19 Inspect Battery . . . .. . . . . . . . . . .5-20
B-20 Test Braking Distance . . . . . . . .5-21
Checklist C Procedures . . . . . . . . . . . . . .5-21
C-1 Replace Air Filter of Hydraulic
Tank ...............................5-21
C-2 Inspect Weighing System . . . . .5-21
Checklist D Procedures . . . . . . . . . . . . . .5-22
D-1 Replace Drive Reducer Gear
Oil..................................5-22
D-2 Replace Slewing Reducer
GearOil............................5-23
D-3 Replace Hydraulic Oil . . . . . . . . .5-23
D-4 Replace Hydraulic Tank
Suction Filter. . . . . . . . . . . . . . . . . . . . . . .5-23
D-5 Inspect Boom Wear Pads . . . . .5-24
6 Repair Procedures .............. 6-1
Boom and Platform Components . . . . . 6-1
Boom and Platform System. . . . . . . . . 6-1
Platform Controller. . . . . . . . . . . . . . . . . . 6-1
Platform.............................6-2
Platform Oscillating Motor . . . . . . . . . . 6-2
Jib Boom Assembly. . . . . . . . . . . . . . . . . 6-2
Platform Leveling Cylinder. . . . . . . . . . 6-3
Cable Track Assembly . . . . . . . . .. . . . . 6-4
Main Boom Assembly . . . . . . . . . . . . . . 6-4
Telescopic Boom Assembly . . . . . . . . 6-5
Articulated Boom Assembly . . . . . . . . 6-6
Chassis and Turntable Components . . 6-7
