2 bleeding air from system, 3 hydraulic velocity fuse (hvf) replacement, Bleeding air from system – Autoquip TORKLIFT T2 DOUBLE PANTOGRAPH User Manual

Page 26: Hydraulic velocity fuse (hvf) replacement

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3. Connect cylinder hose(s).

4. Check that lift anchors are tight (when used). Check all

pins and other mechanical and hydraulic connections.

5. Restore oil level. See oil recommendations in “Oil

Requirements” section.

6. Turn on electrical power and press “UP” button. It may

take a few seconds to fill empty cylinders. Raise lift
approximately one inch and disengage maintenance
devices.

7. Lower lift completely and hold “DOWN” button for 60

seconds to allow air in cylinders to bleed back into
reservoir.

8. Raise lift to 25 – 50% of full travel, then lower and hold “DOWN” button for an additional 60 seconds.

Repeat procedure 8 – 10 times.

9. Clean oil fill breather cap.

6.3.2 Bleeding Air From System

1. Bleed air from system by raising lift to 50% of full travel, then lower completely.

2. Hold “DOWN” button for 60 seconds.

3. Repeat procedure 5-6 times. If this does not bleed all air from system, contact Autoquip.

4. Clean up any spilled oil. Dispose of spilled oil in an environmentally safe manner.

6.3.3 Hydraulic Velocity Fuse (HVF) Replacement

Prevent serious injury or death.


Never go under lift platform until load is removed and scissors
mechanism is securely blocked in raised position with maintenance
devices and hydraulic pressure is relieved.


The HVF is attached to elbow fitting in rod port of cylinder. Do not use a
swivel fitting between HVF and cylinder. If HVF is installed improperly, it
will not lock up in the event of a hydraulic line failure.


Velocity fuse is not repairable. Replace velocity fuse if defective.

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