Jet BRK-10T, Operating And Parts Manual, Page: 7 / 16

7
Troubleshooting
Trouble Probable Cause Remedy
Pump unit will not work 1. Release valve is open
2. Dirt on valve seats
3. Worn seals
1. Close the release valve
2. Clean valve seats
3. Replace seals
Pump unit will not produce
pressure 1. The reservoir could be
overfilled or low on hydraulic
fluid
2. Leak in the hose, seals, or
connections
3. Air trapped in the system
1. Check the fluid level. Add or
remove hydraulic fluid until
the rod inside the reservoir is
covered with fluid. Do not
overfill.
2. Check the hose and replace
if necessary. Make sure all
connections are tight.
Replace seals if needed.
3. Open the release valve.
Pump the handle a couple of
full strokes. Close the
release valve.
Pump unit will not lower
completely 1. Air trapped in the system
2. The reservoir could be
overfilled or low on hydraulic
fluid
1. Open the release valve.
Pump the handle a couple of
full strokes. Close the
release.
2. Add or remove hydraulic fluid
to just cover the rod inside
the reservoir with fluid. Do
not overfill.
Ram will not fully extend Low on hydraulic fluid Add hydraulic fluid
Fluid leaking from release valve Worn O-ring Replace O-ring
Fluid leaking from hose Damaged hose Replace hose
Fluid leaking around hydraulic
ram piston Worn seal or piston Replace seal or piston