Zoomlion ZCC2600 User Manual

起
重
机
说
明
Tr
ou
bleshooting
Maintenance Manual for Crawler Crane
No. Troubles Causes Solutions
7
The speed of actuating
assembly is low.
1. The pump or motor leaks oil. 1. Check and repair the pump
or motor, or change them if
necessary.
2. The oil pipeline is blocked. 2. Clean the oil pipeline.
3. The pilot pressure is not
enough.
3. Detect the pilot pressure. ※
4. The control lever is not
placed in proper position.
4. Adjust the position of control
lever.
8
No movements are
performed by hoisting
winch 1 (or 2), or the
movements of hoisting
winch 1 (or 2) are
carried out weakly.
1. The hydraulic pump fails. 1. Check and repair the main
pump, or change it if
necessary.
2. The oil pipeline is blocked. 2. Clean the oil pipeline.
3. The crane is overloaded. 3. Adjust the load.
4. The fuse of controller fails. 4. Change the fuse.
5. The hoisting winch 1 (or 2)
control lever fails.
5. Change the control lever. ※
6. The circuit of main valve is
out of order.
6. Change the circuit.
7. The brake cylinder is not
actuated.
7. Detect the starting pressure
of brake cylinder.
8. The quick-release coupling
is not screwed tightly.
8. Screw the quick-release
coupling tightly.
9. The pressure of overflow
valve on main valve is too low.
9. Detect the pressure of
overflow valve. Reset the
pressure if necessary.
9
The brake of hoisting
winch 1 (or 2) is not
actuated.
1. The pilot pump fails. 1. Check and repair the pilot
pump, or change it if
necessary.
2. The pressure relief valve of
pilot system fails.
2. Check and adjust the output
pressure of valve.
※
3. No signal is output from the
controller and brake solenoid
valve fails.
3. Check and repair brake
solenoid valve.
4. The oil line of brake leaks
oil.
4. Check and repair sealing
elements of oil line, or change
them if necessary.
5. The pipeline of pilot system
is blocked.
5. Clean the pipeline.
6. The circuit of brake is out of
order.
6. Change the circuit.
7. The fuse of controller fails.
7. Change the fuse.
5-9

Zoomlion ZCC2600 Specifications

General

Brand	Zoomlion
Model	ZCC2600
Category	Construction Equipment
Language	English