Weingrill Screw Jacks require minimum maintenance.

• Keep Jack lubrified.
• Screw Jack should be revised every 500 hours of operation to check components wear. Replace lubricant and parts as required.
• This control shall be more frequent in case of high duty applications.
• Routinely inspect Work Screw and eventually remove dirt deposits on the thread.
• When the backlash between Work Screw and Drive Sleeve exceed ¼ of the pitch replace complete Work Screw, Worm and Screw Gear set.
   

Spare parts or complete replacements units should be kept in stock to avoid possible extended maintenance shut down.