A700 Step-by-step maintenance procedures.
9
11-A.
Seal
the LP seat
hole with thumb.
11-B. Place the balance
chamber onto the stem
just enough to cover the
o-rings.
Refresh these
components with new o-
rings.
Following are some
suggestions
–
to facilitate
assembly.
12. Now squeeze the
components together
–
creating an air spring.
Note:
The chamber
should “spring” up and
down, as you push and
release.
Tech tip
: “micro
-
adj.”
Temporarily screw the
“micro
-
adjust” (adj.
screw) into the
”adjustment
-
shaft”. This
will give you more control
to install the 126 o-ring.
Note: If the components
go flat, submerge U/W to
detect leak - revealed by
bubbles.
Tech tip continued
…
14.
Push and spread the
126 o-ring onto the end
with the
“
nipple
”
.
13. Pre assemble the
poppet, spring and
balance chamber. Orient
the pair of
“
poppet
shoulders” (down
) in
relation to the lever (up)
and insert into the case
inlet tube.
Once the 126 o-ring is in
place, unscrew the
“micro
-adjust
”
and
proceed.
Continued…
The objective is to engage
the poppet assembly with
the lever-tabs. Apply
pressure with your index
finger and the lever
should rise.
15. Following is
dynamic
application
,
lubricate the
o-ring groove and slide
the 293 o-ring down the
“adjustment shaft,
into
the first/true o-ring
groove. Then lubricate
the male threads.
Continued…
Maintain the “spring
-
load”
and push the lever down.
If correct the lever will
return (under spring
load). Cycle several
times.
16. Spread the 351 o-ring
onto the metal sleeve.
Continued on next page…
Test for air-tight integrity by capturing air.
Seal
