
QAY220 All Terrain Crane Operation Manual
5-3
5-1-3 Counterweight erection
Fig. 5-2 Counterweight control box
1. Counterweight erection can be performed by using the moveable control box on the turntable
with the aid of instrument panel:
•
Press the lower end of the counterweight working selector switch (see No. 1 in Fig. 5-3) on the
instrument panel, and then the counterweight working indicator lamp (No. 2 in Fig. 5-3) comes on;
•
Move the left control lever left gently to slew the turntable anticlockwise in order to locate the
counterweight cylinder above the counterweight;
•
Press the slewing switch (No.2 in Fig. 5-2) on the control box to align the counterweight cylinder
with its extending position;
•
Operate the counterweight cylinder switch (No.1 in Fig. 5-2) on the control box to extend the
counterweight cylinder to the counterweight hole;
•
Press the switch No.2 again for slewing the turntable anticlockwise, so that the counterweight
cylinder aligns with the counterweight lifting position;
•
Operate the switch No.1 to retract the counterweight cylinder fully and lift the counterweight
away from the chassis frame. After it is confirmed that the counterweight is safe, lift the counterweight
to the highest position.
Accessories
Chapter 5
Содержание QAY220
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