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XS Scuba Valves Service Manual
CAUTION: Over-tightening the handwheel
nut(14) will make it very difficult to turn the
handwheel. Only tighten the nut until it is flush with
the end of the stem(7).
This Completes the Reassembly Procedure
Servicing XS Scuba LH and
RH Modular Valves
Perform the Inspection and Pre-Test prior to the Disassembly
Procedure, as outlined earlier in this manual. If disassembly is
required, follow the Disassembly Procedure outlined earlier
in this manual.
During the Disassembly:
1. Using a 13/16” wrench, remove the Modular
Valve’s side access plug(25 and/or 26).
NOTE: The side access plug found on the RH
Modular Valve has notches machined into the plug’s
wrench flats. The notches indicate reverse threads.
2. Remove the o-rings(23) from the access
plug(s) (25 and/or 26).
F. Follow with the spring(13) and the nut(14).
G. Using the TL113 Valve Handwheel Tool,
tighten the nut(14) until the top of the stem(7)
is flush with the top of the nut.
H. Check the function.
i. 100% off = 100% red
ii. 100% on = 100% green
