4.9. SPRING CHECK VALVE ASSEMBLY REPAIR OR REPLACEMENT.
This task covers: a. Inspection b. Removal c. Disassembly d. Assembly e. Installation
Pipe Wrench (Appendix B, Section III, Item 2), 2 each
Shower facility not in use.
a. Inspection. Check for damage or missing parts. Based on the inspection, determine if the spring check valve
assembly can be repaired or it must be replaced.
(2) Release coupling (1) and remove spring check valve assembly.
Repair is limited to replacement of defective, missing, or damaged components.
Disassemble only to the extent necessary to repair the item.
If the item is being replaced, do not disassemble it.
c. Disassembly. Remove couplings (1 and 2) from spring check valve (3).
(1) Be sure any defective, missing, or damaged components have been replaced.
(2) Apply sealing compound to threaded ands of couplings (1 and 2) and install coupling onto spring check valve
(3). Note flow direction when installing coupling.
(1) Install spring check valve assembly and secure coupling (1).