YingKou NHT Heavy Machinery Co., Ltd
6
platforms more or less, then cover the gears with iron plate. Third, open the front cover of
control box and unscrew (anticlockwise) the golden bolt of the solenoid discharge valve,
at the same impulse terminal center thimble, then the platforms will be lifted.
Tighten (clockwise) the bolt while the platform lowed at the required position,
otherwise, the platform can’t be lifted if power supplied.
2.
PNEUMATIC SYSTEM
Pneumatic system principle diagram (see fig. 7), compressed air must be passed water
filter, the inflation inlet is near the oil sprayer which on the right of the control box.
Whenever up or down the “two-phase and three-way valve” gets electricity, the cylinder
carries the locking block up. When the electricity is putted out the spring inset the
cylinder will pullback the locking block.
Fig. 7 PNEUMATIC SYSTEM PRINCIPLE DIAGRAM
