
© Aug 2020 ii GTBZ26&28J Operation Manual
Testing the steer function . . . . . . . . . .6-10
Testing the drive high/low speed
select function . . . . . . . . . . . . . . . . . . . . .6-10
Testing the main boom up/down
function ............................6-11
Testing the main boom telescope
function ............................6-11
Testing the turntable rotate
function ............................6-11
Testing the platform level fuction. . . 6-11
Testing the platform rotate function 6-12
Testing the jib up/down function-
GTBZ28J ..........................6-12
Testing the jib rotate function-
GTBZ28J (if equipped) . . . . . . . . . . . .6-12
Testing the emergency power
function ............................6-12
Testing the engine high/low speed
select function . . . . . . . . . . . . . . . . . . . . .6-12
Testing the rear detection fuction . .6-12
Testing the reverse drive function. .6-13
Testing the buzzer function . . . . . . . .6-13
Testing the system distress alert
function ............................6-13
Testing the overload alert function .6-13
Testing the tilt alart function. . . . . . . .6-13
Testing the angle sensor
malfunction alart function . . . . . . . . . .6-13
Testing the length sensor
malfunction alart function . . . . . . . . . .6-13
Testing the hydraulic generator
function (if equipped) . . . . . . . . . . . . . .6-14
Testing the engine preheat
function (if equipped) . . . . . . . . . . . . . .6-14
Testing the anti-pinch/soft touch
unlock function (if equipped). . . . . . .6-14
Testing the machine stowed
function (if equipped) . . . . . . . . . . . . . .6-14
Testing the steer mode select
function (if equipped) . . . . . . . . . . . . . .6-14
Tesing the outrigger telescope
function (if equipped) . . . . . . . . . . . . . .6-14
Testing the work lamp (if equipped)6-14
Testing the X/Y drive function (if
equipped) . . . . . . . . . . . . . . . . . . . . . . . . . .6-15
Testing the Floating Outrigger (if
Equipped) . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-15
Testing the Drive Speed. . . . . . . . . . . . . .6-15
Testing the Emergency Lowering
Function..............................6-15
Testing the Tilt Protection System. . . .6-16
Testing the Weighing System . . . . . . . .6-16
7 Operating the Machine ......... 7-1
Stability................................7-1
Emergency Stop . . . . . . . . . . . . . . . . . . . . . . 7-3
Emergency Lowering . . . . . . . . . . . . . . . . . 7-3
Emergency Operating. . . . . . . . . . . . . . . . . 7-3
Emergency Towing/Dragging . . . . . . . . . 7-3
Operation from Ground . . . . . . . . . . . . . . . 7-4
Operation from Platform . . . . . . . . . . . . . . 7-5
Driving on a Slope. . . . . . . . . . . . . . . . . . . . . 7-6
8 Transporting and Lifting the
Machine........................... 8-1
Lifting the Machine with a Crane . . . . . . 8-2
Transporting the Machine .. . . . . . . . . . . . 8-3
9 Maintenance ...................... 9-1
Conducting a Pre-delivery Inspection . 9-1
Following a Maintenance Schedule . . . 9-2
Completing a Repair & Inspection
Report.................................9-2
10 Decals/Nameplates
Inspection ....................... 10-1
Decals/Nameplates-GB . . . . . . . . . . .10-2
Decals/Nameplates-CE. . . . . . . . . . . .10-5
Decals/Nameplates-ANSI . . . . . . . . .10-8
Decals/Nameplates-CSA . . . . . . . . .10-11