
QAY220 All Terrain Crane Operation Manual
5-2
2. Counterweight combination and assembly sequence
Total weight (t)
Single weight (t)
65
42
32
22
Combination sequence
12.5+2
×
10+9.5+2
×
11.5
12.5+2
×
10+9.5
12.5+10+9.5
12.5+9.5
Ⅰ+
2
×
Ⅱ+Ⅲ+
2
×
Ⅳ
Ⅰ+
2
×
Ⅱ+Ⅲ
Ⅰ+Ⅱ+Ⅲ
Ⅰ+Ⅲ
3. Notes on erection
•
In lifting operation, different counterweight combination can be selected according to the load
lifting capacity.
•
Well observe the counterweight combination sequence, and make sure the counterweight slab I is
placed on the bottom of combined counterweight.
•
Set up the crane on a firm and level ground.
•
Adjust the LMI working condition setting: fully-extended outriggers, counterweight of 0 t, parts
of line (Max. pulling force of single line is 12 t).
•
The working radius for loading counterweight should accord with the Total rated lifting load with
counterweight of 0 t.
•
Through the programmable controller, set the operation curve features at the time of installation.
•
Put the counterweight on the chassis frame one by one (observe the sequence).
Accessories
Chapter 5
Summary of Contents for QAY220
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