V. TEST RUN
1. Adjust synchronous cable
Use wrench to hold the cable fitting, meanwhile
use ratchet spanner to tighten the cable nut.
Make sure two cables are with the same tension.
If the carriage does not Synchronize when lifting,
please tighten the cable nut of lower side carriage.
(See Fig. 41)
2. Adjust safety cable
Lifting the carriage and lock at the same height, strain the safety cable and then
release a little, and then tighten the cable nuts. Make sure the safety device can
always be worked properly.
3. Adjust the lowering speed
The lowering speed can be adjusted according to the user's needs. Use a flat-blade
screwdriver to adjust the flow valve core clockwise. At this time, the lowering speed
becomes slower, and vice versa.
Clockwise to decrease the
lowering speed
Counterclockwise to
increase the lowering
speed