Russian translation: Убедиться, что маховик поворачивается без чрезмерных усилий
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08:06 Sep 8, 2011
English to Russian translations [PRO] Tech/Engineering - Mechanics / Mech Engineering
English term or phrase:acceptable force to operate the handwheel
Из той же инструкции к клапану (пункт 5):
ADDING RINGS TO THE PACKING
When the gland has advanced approximately to half way into the packing
chamber, it is recommended that additional packing rings be added.
This shall be carried out in this manner:
1. Remove packing gland bolting and free up packing gland.
2. Remove top ring of packing. This will be a braided graphite packing. Prepare
chamber to accept new ring or rings of packing.
3. Split a number of packing rings of flexible graphite as required and place
individual ring in packing chamber using the gland to ram the packing into the
Stagger packing ring’s separations by 90° if more than one ring is required.
Replace top ring of braided graphite packing as required.
4. Tighten packing gland bolting evenly (follow instruction given in paragraph 4.3).
5. Open and close valve to insure free operation and to allow packing settlement.
Check for an acceptable force to operate the handwheel.
6. Place valve back in service.