6
Flushing the valves
Sometimes debris or particles can get stuck inside
the hydraulic pump which prevents the valves from
closing properly, which leads to a reduction in po-
wer. Then clean the valves as follows:
1. Lower the lift and close the discharge valve.
2. Pull up the boom 5–10 cm and then open the
discharge valve.
3. Press down as soon as possible.
Rust protection
Make sure that the piston, pump and adjusting
screw are in the bottom position when the lift is not
in use. Avoid contact with moisture and moisture.
If the lift gets wet, wipe it off and lubricate all parts.
Troubleshooting
The lift cannot lift at full capacity.
• Check that the discharge valve is closed.
• Check the oil level and top up if necessary.
• Vent the system to release any.
• air bubbles.
• Flush the valves as described here.
The lift drops when it is loaded
• Check that the discharge valve is closed.
• Flush the valves in the manner described
here.
Oil leaks from the oil plug
•
Check the oil level and drain if necessary. out
excess fl waste oil.
The lift feels spongy
•
Check the oil level and top up if necessary.
•
Bleed the system to release any air bubbles.
The pump lever goes up or strikes back when
the lift is loaded
• Flush the valves in the manner described
here.
The lift cannot lift up to full height.
•
Check the oil level and top up if necessary.
•
Vent the system to release any. air bubbles.
