CAUTION: DO NOT use the lever to push the spindle body into
the case as this will bend the lever.
8
Critically inspect the seat (14) for any damage and replace if
needed. Install o-ring (13) onto the seat.
7
Carefully insert the spindle body assembly into the case (6). Insert
the tool into the venturi side of the case, carefully rotate the tool
until the cutout in the tool engages with the spindle body assembly.
Push the spindle body rmly into the case, ensuring that there is no
gap between the two parts. Ensure that the lever (22) has a full range
of movement and does not catch on the spindle body.
9
Install o-ring (11) onto the
inlet tting (10).
10
Carefully push the seat (16) threaded end rst into the larger
diameter bore of the inlet tting (20). Using a 5mm hex key
turn the seat COUNTER-CLOCKWISE so that it retracts into the
inlet tting until it bottoms out.
11
Slide the inlet shroud (12) hex side rst onto the inlet tting
(10) past the already installed o-ring.
12
Thread the inlet shroud assembly (10/12) clockwise into the
spindle body (16) until snug. Using a torque wrench with a
13/16” crow-foot, torque to 2.2 ft-lb (3 Nm).
13
While holding the case
(7) at eye level, use a
5mm hex key to turn the seat
(14) clockwise until the lever (15)
drops just below the rim of the
case. Check by gently icking
the lever, it should bounce and
have free movement. The lever
should return to its set position,
if it sticks then the lever is not
square, fitted incorrectly or it
is bent.
CAUTION: Ensure that the Lever moves freely and sits verti-
cally within the case.
CAUTION: Ensure that the diaphragm (6) and friction ring (5)
are seated correctly and are not creased.
14
Ret the diaphragm (6) into the front of the case (7). Using your
nger carefully work the edges of the diaphragm into place
so it sits evenly in the case. Insert the friction ring (5) into the case.
Use the same technique to ensure it sits evenly onto the diaphragm.
9
XL4 SECOND STAGE TECHNICAL MAINTENANCE MANUAL
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