Maintenance Interval
Daily before operating
After the first 20
operating hours
After the first 50
operating hours or
every week
Every year
1.The powered A-frame jack motor is sealed and
maintenance-free.
2.Before each use, inspect jack tubes and replace
them if bent or damaged.
3.Ensure all connections are tight and free of
corrosion and that the jack is properly ground with the
coupler (metal-to-metal contact).
4.If necessary, wash with mild soap and water and
rinse thoroughly. The motor ground screw and
mounting bolts must also be cleaned if a ground
continuity problem occurs.
Fully extend the jack and clean the inner jack tube.
Fully extend the jack and clean the inner jack tube.
Fully extend the jack and clean the inner jack tube
once per year. After cleaning, coat the tube with a
light grease or silicone spray lubricant.
- 10 -
Maintenance Point