© Feb. 2023 28 TB20J Plus Operation Manual
CONTROLLERS AND INDICATORS
Table 6-1
No. Indication
Description
1
Ground display
Provide machine working states, engine states, fuel/battery
level, alarm information, fault codes & query, and other
information.
2
Horn
Press the button, and the horn will sound.
3
Key switch
Turn the switch to ON position, the machine will be powered
on;
turn the switch to OFF position, the machine will be powered
off.
4 Enable switch
Move and hold the switch, and all functions will be enabled to
operate.
5
Emergency power switch
Provide emergency power in case of main power source
failure.
6
DC/FE mode selector switch (if
equipped)
Move the switch to the left, the DC mode will be active;
move the switch to the right, the FE mode will be active.
7
Main boom luffing switch Control main boom luffing.
8 Turntable rotation switch Control turntable rotation.
9
Main boom telescoping switch Control main boom telescoping.
10
Jib boom luffing switch (if equipped) Control jib boom luffing.
11
Jib boom rotation switch (if equipped) Control jib boom rotation.
12
Platform rotating switch Control platform rotation.
13
Platform leveling switch Adjust platform levelness while traveling up/down the slope.
14
After-treatment regeneration request
switch (if equipped)
Move the switch, and the engine after-treatment device will
enter the regeneration state.
15
Engine start switch Flip the switch, and the engine will be started.
16
Glow plug switch (if equipped)
Move and hold the switch 6～10s, and the engine will take in
air for preheating.
17
Ground/platform control selector switch
Turn the switch to the left to Ground control position, and all
functions will be operative only at the ground controller, while
the platform controller will not work;
turn the switch to the right to Platform control position, and all
functions will be operative only at the platform controller, while
the ground controller will not work.
18
Emergency stop button
Pull out the button to ON position, and the machine will start
normally;
push the button to OFF position, the controller will be powered
off, the machine cannot start and all functions will be
inoperative.
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