Dake 150H, Instructional Manual

Page: 12 / 17

Dake Corporation
724 Robbins Road
Grand Haven, MI 49417
www.dakecorp.com
907005 11 REV112019
OTHER TROUBLESHOOTING
SYMPTOM CAUSE SOLUTION
Oil leaking from
piston oil seal. 1) Reservoir is over filled.*
2) Piston Packing is worn or
damaged.
1) Drain excess oil.
2) Replace Piston Packing.
Press will not hold
pressure. 1) Check Ball is contaminated.
2) Ball and Seat have poor contact.
3) Piston Packing is worn or
damaged.
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.
2) Check Ball is contaminated.
3) Ball and Seat have poor contact.
4) Piston Packing is worn or
damaged
5) Gauge is defective.
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.
2) Worn Packings. 1) Tighten Packing Nut.
2) Replace Pump Packings.
Oil leaking from
release valve rod. 1) Valve Rod Packing Nut is Loose.
2) Packings are worn. 1) Tighten Packing Nut.
2) Replace Valve Rod
Packings.
Pump handle drifts
up. 1) Defective Check Ball.
2) Defective Check Ball Spring. 3) Clean Check Ball and
reseat.
4) Replace Spring.
Ram will not return. 1) Return Spring damaged.
2) Piston is bent or damaged.
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