Other Troubleshooting - Dake 50H Instruction 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
907002
CAUSE
1) Reservoir is over filled. (Item 22)
2) Piston Packing is worn or
damaged. (Part No. 573)
1) Check Ball (Part No. 586) is
contaminated.
2) Ball and Seat have poor contact.
(Part No. 586)
3) Piston Packing is worn or
damaged. (Part No. 573)
1) Pump Plunger leather is worn or
damaged. (Part No. 554)
2) Check Ball is contaminated. (Part
No. 573)
3) Ball and Seat have poor contact.
(Part No. 586)
4) Piston Packing is worn or
damaged (Part No. 573)
5) Gauge is defective. (Part No.
71266)
1) Packing Nut loose. (Part No. 551)
2) Worn Packings
1) Valve Rod Packing Nut is Loose
(Part No. 978)
2) Packings are worn.
1) Defective Check Ball. (Part No.
586)
2) Defective Check Ball Spring.
(Part No. 579)
1) Return Spring damaged. (Part
No. 556)
2) Piston is bent or damaged. (Part
No. 543)
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 Rod
Packings.
3) Clean Check Ball and
reseat.
4) Replace Spring.
1) Replace Spring.
2) Replace Piston.
3) Replace Piston Packing
11
Dake Corporation
1809 Industrial Park Dr
Grand Haven, MI 49417
www.dakecorp.com
SOLUTION
REV012021