DST First Stage Technical Maintenance Manual
9
7
Using the Apeks spanner
wrench (pn AT30), tighten
the diaphragm clamp (21)
clockwise until you get metal to
metal contact.
9
Turn the first stage over,
holding the HP valve (11) by
the stem, insert it into the center
hole in the body (5).
11
Install the o-ring (7) onto
the body (5).
13
Install the blue washer (14) into the turret (8).
15
Install the small o-ring
(17) into the turret bolt
(15). Place o-ring (13) at the
base of the threads.
12
Place the turret (8) onto the body (5) and carefully push
down.
14
Place the o-ring (16) on top of the blue washer (14).
8
Tighten down the spring
adjuster (22) until 1-2 threads
(¼” from top) are exposed.
10
Install the spring (12) over the HP valve shaft.
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