| Symptom: The ram collides with the cylinder top cover on upstroke |
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POSSIBLE CAUSES:
- The buffer ball valve is not seating correctly preventing the buffer from working correctly.
- The Gasket sealing the top of the cylinder cover is leaking.
- The hammer is being switched from light to heavy blow to quickly.
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Symptom: The ram is not rising high enough & insufficient bow energy.
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POSSIBLE CAUSES:
- The compressing pump piston holes are out of alignment resulting in insufficient supplemental air.
- The piston rings are not sealing properly or are worn.(need replaced)
- The ram guides are worn allowing excess air leakage. - Shim out or replace.
- The packing on the stuffing box & pump piston are excessively worn & need replacing
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Symptom: The tool locating dovetails crack
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POSSIBLE CAUSES:
- Badly fitted taper keys
- Hammering cold material or misuse
- Insufficient radius causing stress raisers
- Pallets to hard
- Fitting a old key into a warm ram
- Die alignment is out, or have been used excessively for offset forging.
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