Other Troubleshooting - Dake 75H Instructional Manual

OTHER TROUBLESHOOTING

SYMPTOM
Oil leaking from
piston oil seal.
Press will not hold
pressure.
Press will not build
rated tonnage.
Oil leaking from
pump plunger.
Oil leaking from
release valve rod.
Pump handle drifts
up.
Ram will not return.
*
If oil leaks from around ram but there is no pressure loss than the reservoir has been overfilled
907003
CAUSE
1) Reservoir is over filled.*
2) Piston Packing is worn or
damaged.
1) Check Ball is contaminated.
2) Ball and Seat have poor contact.
3) Piston Packing is worn or
damaged.
1) Pump Plunger leather is worn or
damaged.
2) Check Ball is contaminated.
3) Ball and Seat have poor contact.
4) Piston Packing is worn or
damaged.
5) Gauge is defective.
1) Packing Nut loose.
2) Worn Packings.
1) Valve Rod Packing Nut is Loose.
2) Packings are worn.
1) Defective Check Ball.
2) Defective Check Ball Spring.
1) Return Spring damaged.
2) Piston is bent or damaged.
3) Piston Packing is defective.
1) Drain excess oil.
2) Replace Piston Packing.
1) Remove and clean Check
Balls and Seats.
2) Reseal Ball on Seat.
3) Replace Piston Packing.
1) Replace Pump Plunger
leather.
2) Remove and clean Check
Balls and Seats.
3) Reseal Ball on Seat.
4) Replace Piston Packing.
5) Replace Gauge.
1) Tighten Packing Nut.
2) Replace Pump Packings.
1) Tighten Packing Nut.
2) Replace Valve Packings.
3) Clean Check Ball and
reseat.
4) Replace Spring.
1) Replace Spring.
2) Replace Piston.
3) Replace Piston Packing
11
Dake Corporation
724 Robbins Road
Grand Haven, MI 49417
www.dakecorp.com
SOLUTION
REV112019