R-100
BALANCED PISTON FIRST STAGE REGULATOR
DISASSEMBLY /
ASSEMBLY
3.
Prepare to remove the End-cap (22)
by inserting one LP tightening bar
into one of LP port in the end cap
and one HP tightening bar into one of
the HP ports in the body (13) Refer
to
Figure. 5-c
NOTE
Make certain the Tightening Bars are firmly seated into both plugs (23) & (10) before
attempting to rotate the end cap (22) in a counterclockwise direction.
4.
Holding the regulator firmly in place,
twist the end cap (22) in a counter
clockwise direction until the end cap
(22) is loosened enough to complete
removal by hand. The end cap ring
(21) should then be taken from the
body by hand, inspected and
cleaned. Refer to
Figure. 5-d
5.
Using an o-ring pick remove the body
o - r i n g
( 1 6 )
R E C O R D
F O R
REPLACEMENT. DO NOT attempt to
reuse this o-ring.
6.
Remove the HP piston (19) from
body (13) by carefully grasping the
piston between thumb and forefinger,
pulling straight up with a slow, steady
force.
Refer to
Figure. 5-e
WARNING
Failure to recognize or replace a faulty HP piston may lead to failure of the
regulator to regulate the intermediate pressure. Use prudence and replace the
piston if damage to the piston stem sealing (knife) edge is found.
Revised v1.0-2000
14
FIG. 5-d
FIG. 5-e
FIG. 5-c
