HELI CQD16X1, Руководство по эксплуатации и обслуживанию

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Rear lifting cylinder
1) Turn on the air bleeding screw of rear lifting cylinder slowly. See item 39 in
figure 1. Let the air in the oil cylinder out until there is continuous hydraulic oil
flowing out of air bleeding screw.
2) Tighten the air bleeding screw.
For the other rear lifting cylinder, carry out the same steps above.
4.8.17.3 Disassembly of oil cylinder
4.8.17.3.1 Disassembly of rear lifting cylinder
Disassemble the right or left lifting cylinder according to the following steps. Do
not disassemble the two cylinder at the same time. Disassemble the first one
completely and then disassemble the second one.
1) If possible, park the truck on level ground and under the crane. Then wedge
the wheels and remove the fork.
2) Block up the middle mast with two wood batten.
3) Turn the key switch off and disconnect the battery.
4) Disconnect the pipeline with the cylinder.
5) Remove the screw fixing the plunger piston to the install block on top of the
middle mast. Do not remove the screws on the two cylinders once. Remove the one
on the cylinder that needs to be removed from the truck. See item 1 in figure 1.
6) Remove the cylinder fixing clamp. See item 6 and 7 in figure 1.
7) Remove the cylinder limit plate. See item 19 or 20 in figure 1.
4.8.17.3.2 Disassembly of front lifting cylinder
Disassemble the front lifting cylinder according to the following steps:
1) Disconnect the truck power and then disconnect the battery.
2) Remove the pipelines guard.
3) Remove the chains, chain seat and other accessories on the front cylinder
head.