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V. TEST RUN
1. Fill the reservoir with approximately 26L Hydraulic Oil (
Note
: In consideration of Power
Unit’s durability
，
please use
Hydraulic Oil 46#
).
2. Press the button on the power unit, the Cables will be strained. Check whether the
Cables match the Pulley. Make sure the Cables are not across.
3. Press the release handle of the power unit to lock the Cross-beam to the safety ladders,
and then adjust the platforms to be level by adjusting the nuts of Safety Ladders.
4. Adjust the cable fitting Hex nuts to make platforms and four safety locks work
synchronously. Lift up and down for several times, meanwhile do the synchronous
adjustment till the four Safety Devices can be locked and released at the same time.
5. Adjust the clearance between the post and the plastic slider of Cross-beam to about
2mm, and then tighten the fixing nut of slider.
6. After finishing the above adjustment, testing the lift with load. Lift the Platforms in low
position first, make sure the Platforms can be up and down synchronously and the
Safety Device can be locked and released synchronously. And then raise the lift to the
top completely. If there are anything improper, repeat the above adjustment.
Circuit Diagram of Hydraulic System
Fig.53
1. Filter net
2. Gear pump
3. Cylinder
4. Relief valve
5. Motor
6. Throttle valve
7 Release valve
8 Check valve
N
O
T
E
