9 maintenance, 1 dismantling, 1 replacing worn part – Richter BCV/F (ASME) Series Check Valves User Manual
Page 11: 2 assembly, Dismantling, Replacing worn part, Assembly, 9maintenance, Series cv/f, cvv/f, bc/f, bcv/f
Series CV/F, CVV/F, BC/F, BCV/F
Page 11
9550-050-en
Revision 10
TM 8462
Edition 02/2012
9
Maintenance
All repair work is to be performed by qualified
personnel using the appropriate tools.
For the arrangement, designation and item num-
bers of all parts of the valve, see Section 10.
Spare parts are to be ordered with all the details in
acc. with the valve identification.
Only original spare parts may be installed.
To prevent leaks, a regular check of the connec-
tion screws make in line with the operating re-
quirements.
For tightening torques, see Section 1.2.
9.1 Dismantling
9.1.1 Replacing worn part
Screw main body 101 and body end piece 102
apart.
Replace ball 200.
Assembly is performed in reverse sequence.
9.2 Assembly
Prior to assembly all parts must be cleaned and
the plastic-lined parts checked for damage.
Screw main body 101 and body end piece 102
together. Tighten the screw fitting to a tightening
torque in accordance with Section 1.2 in diametri-
cally opposite sequence.