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6.3.3.
Release the lever to the centre 'hold' position.
6.3.4.
Now push the lever to the 'up' position and hold it there until the jack is fully extended. Push the lever to the 'down'
position and watch the jack as it retracts. The lowering movement should be smooth and without irregular stops.
6.3.5.
Repeat the raising and lowering cycle until the movement is smooth. Once this has been achieved this indicates that all air has
been expelled.
6.4.
PURGE THE SYSTEM - YAJ15-30DC.V2, YAJ20-40DC.V2
6.4.1.
Before using the jack, purge the hydraulic circuit in order to eliminate any possible air that may have entered the system during
transit.
6.4.2.
Push the down button (fig.6B) and hold it there for several seconds. Release the button.
6.4.3.
Now push the 'up' button and hold it there until the jack is fully extended. Push the 'down' button and watch the jack as it retracts.
The lowering movement should be smooth and without irregular stops.
6.4.4.
Repeat the raising and lowering cycle until the movement is smooth. Once this has been achieved this indicates that all air has
been expelled.
6.5.
USING THE JACK - YAJ15-30.V2, YAJ20-40.V2, YAJ20-40LR
WARNING! ensure you have read and understood the safety instructions in chapter 1 before commencing work.
R
6.5.1.
Position the Jack under the vehicle manufacturer's recommended jacking point (see vehicle handbook).
Note: Use the extension pins (fig.3D) to get the jack closer to the jacking point before engaging the jack. See specification for
capacity when using the extension pins.
6.5.2.
Whilst holding the main jack handle lifting is achieved by pushing the control lever to the 'up' position (fig.5B).
6.5.3.
When the vehicle has reached the desired height release the control lever which will automatically return to the middle hold
position stopping any further air flow, holding the jack at the height to which it has been raised.
6.5.4.
Place axle stands correctly in position and ensure chapter 1 safety instructions are strictly applied before performing any work on
the vehicle.
6.6.
USING THE JACK - YAJ15-30DC.V2, YAJ20-40DC.V2
WARNING! ensure you have read and understood the safety instructions in chapter 1 before commencing work.
R
6.6.1.
Position the Jack under the vehicle manufacturer's recommended jacking point (see vehicle handbook).
Note: Use the extension pins (fig.3D/fig.4C) to get the jack closer to the jacking point before engaging the jack. See specification
for capacity when using the extension pins.
6.6.2.
Whilst holding the main jack handle lifting is achieved by pushing the 'up' button (fig.6A).
6.6.3.
When the vehicle has reached the desired height release the 'up' button, stopping any further air flow holding the jack at the height
to which it has been raised.
6.6.4.
Place axle stands correctly in position and ensure chapter 1 safety instructions are strictly applied before performing any task.
6.7.
LOWERING THE JACK
6.7.1.
Ensure there are no persons or obstruction beneath the vehicle before lowering, and remove any axle stands.
6.7.2.
Whilst holding the main jack handle lowering is achieved by pushing the control lever/button to down (fig.5A/fig.6B), and the jack
will lower in a controlled manner.
6.7.3.
Once completely lowered releasing the control lever will return it to the middle hold position. Remove the jack from under the
vehicle. If you have finished using the jack, turn the air pressure supply off and disconnect the jack from the air line and store the
jack and air line accordingly.
© Jack Sealey Limited
fig.3
Original Language Version
fig.4
fig.6
YAJ15-30.V2, YAJ15-30DC.V2,YAJ20-40.V2,
YAJ20-40DC.V2, YAJ20-40LR| Issue 2 (I) 28/04/15
fig.5
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