4
PURGING AIR FROM THE HYDRAULIC SYSTEM.
!
TROUBLE SHOOTING GUIDE
Trouble
Cause
Solution
Unit fails to extend or
extends partially
1.Low fluid level
1.Refer to maintenance section and fill to
correct fluid level
Incomplete or spongy
cylinder response when
foot pedal is pumped
1.Low fluid level
1.Fill to correct fluid level
2.Air in system
2.Follow Purge Air in the hydraulic system.
3.Pressure is low
3.Pressure regulating again
Unit fails to extend when
foot pedal is pumped
1. Release the jack.
1.Operate the foot pedal and release
pedal together.
2.Contamination
2.Disassemble and clean unit
Summary of Contents for 814B
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