Dake Corporation
1809 Industrial Park Dr
Grand Haven, MI 49417
907002
11
REV012021
OTHER TROUBLESHOOTING
SYMPTOM
CAUSE
SOLUTION
Oil leaking from
piston oil seal.
1) Reservoir is over filled. (Item 22)
2) Piston Packing is worn or
damaged. (Part No. 573)
1) Drain excess oil.
2) Replace Piston Packing.
Press will not hold
pressure.
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) Remove and clean Check
Balls and Seats.
2) Reseal Ball on Seat.
3) Replace Piston Packing
Press will not build
rated tonnage.
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) Replace Pump Plunger
leather.
2) Remove and clean Check
Balls and Seats.
3) Reseal Ball on Seat.
4) Replace Piston Packing.
5) Replace Gauge.
Oil leaking from
pump plunger.
1) Packing Nut loose. (Part No. 551)
2) Worn Packings
1) Tighten Packing Nut.
2) Replace Pump Packings.
Oil leaking from
release valve rod.
1) Valve Rod Packing Nut is Loose
(Part No. 978)
2) Packings are worn.
1) Tighten Packing Nut.
2) Replace Valve Rod
Packings.
Pump handle drifts
up.
1) Defective Check Ball. (Part No.
586)
2) Defective Check Ball Spring.
(Part No. 579)
3) Clean Check Ball and
reseat.
4) Replace Spring.
Ram will not return. 1) Return Spring damaged. (Part
No. 556)
2) Piston is bent or damaged. (Part
No. 543)
3) Piston Packing is defective.
1) Replace Spring.
2) Replace Piston.
3) Replace Piston Packing
*
If oil leaks from around ram but there is no pressure loss than the reservoir has been overfilled
