HANGCHA GTHZ120, Operation Manual

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7. Telescopic boom control button
This button is used to extend or retract the telescopic boom.
Extending the telescopic boom
-Turn the ground/basket control selector switch to the ground control position. Move
button 7 up and hold it, and push the direction selector button 11 up.
Retracting the telescopic boom
-Turn the ground/basket control selector switch to the ground control position. Move
button 7 up and hold it, and push the direction selector button 11 down.
8. Upper folding boom lifting/lowering button
This button is used to lift and lower the upper folding boom.
Lifting the upper folding boom
-Turn the ground/basket control selector switch to the ground control position. Move
button 8 up and hold it, and push the direction selector button 11 up.
Lowering the upper folding boom
-Turn the ground/basket control selector switch to the ground control position. Move
button 8 up and hold it, and push the direction selector button 11 down.
9. Lower folding boom lifting and lowering button
This button is used to lift and lower the lower folding boom.
Lifting the lower folding boom
-Turn the ground/basket control selector switch to the ground control position. Move
button 9 up and hold it, and push the direction selector button 11 down.
Lowering the lower folding boom
-Turn the ground/basket control selector switch to the ground control position. Move
button 9 up and hold it, and push the direction selector button 11 down.