Surewerx Strongarm 816B, Owner'S Manual

Page: 5 / 9

surewerx.com
5
Trouble Possible Reason Solution
Unit fails to lift
1. Not enough oil
2. Air in the hydraulic system
3. Inner leaking
1. Refer to maintenance section and fill to
correct fluid level
2. Refer to Purging Air
3. Contact with the supplier for repair
Unit lifts slowly
1. Air in the hydraulic system
2. Inner leaking 1. Refer to Purging Air
2. Contact with the supplier for repair
Does not lift or
descend smoothly 1. The piston rod needs lubricating
2. Air in the ram
1. Add lubricate oil on the piston rod and work
the piston by one cycle
2. Refer to Purging Air
When offloading, the first
stage piston can be lifted but
the second cannot
1. Not enough oil
2. Air in the ram
1. Refer to Maintenance section and fill to
correct fluid level
2. Refer to Purging Air
When under loading, the first
stage piston can be lifted but
the second cannot
1. Not enough oil
2. Air in the ram
3. Over the max. load
4. Wrong adjustment of
the safety valve
1. Refer to Maintenance section and fill to
correct fluid level
2. Refer to Purging Air
3. Check the weight of the load
4. Contact with the supplier for repair
Unit fails to keep pressure
1. The release pedal doesn’t work well
2. Inner leaking 1. Check the release pedal for any abnormal
2. Contact with the supplier for repair
!
TROUBLESHOOTING GUIDE