Service Manual Core 1
st
stage
Service Manual Core 1
st
stage
Rev. 05/2015 13
30. Fit a new lubricated O-ring (473057) into the DIN
shutter crown interior groove (129243), using the tool
(506001).
Fit a new lubricated O-ring (124709) into the shutter
crown exterior groove.
31. Place the spring (129204) into the DIN screw
(129213). Set the DIN shutter crown (129243) with its
associated O-ring onto the spring.
32. Thread a DIN/Yoke adapter (125237)
onto the DIN screw (129213) so that
the spring gets compressed.
33. Install the DIN shutter valve
(129202). Using a torque
screwdriver (122152), tighten it
to 0.3 m.kg (2.17 ft.lb).
Remove the regulator from the vice.
Unscrew the DIN/Yoke adapter
(125237).
WET CHAMBER
Start after points 24 (if yoke) or 33 (if DIN)
34. Insert the pin (127564) into the central hole, wet
chamber side. Place the pin support (127563) over
the pin.
35. Fit a new diaphragm (119159) into
the wet chamber body (129904).
Make sure that the diaphragm is
correctly positioned by pressing all
around its edge with your finger.
36. Insert the plastic washer (129958) onto the wet
chamber body (129904). Watch out of the text
orientation, the biggest ring should be at the exterior
side of the wet chamber body.
Press the plastic washer up against the wet chamber
body shoulder.
37. Securely clamp holding tool (116230) into vice with
wet chamber facing up.
Screw by hand the wet chamber body (129904) onto
the body (129254).
Using a socket (122152) and a torque wrench
(122154), tighten the wet chamber body to 2.5 m.kg
(18.08 ft.lb).
38. Fit the spring pad (127565), the MP spring (127567)
and the washer (127568) on the diaphragm.
39. Grease the thread of the MP adjusting screw
(128117) with a brush. Using an 8mm Allen key,
screw the MP adjusting screw until coming to the
same level than the wet chamber body (129904).
NOTE: the tightening of the wet chamber on
the body SHOULD NOT be done with the MP
spring assembled in the wet chamber. The
previous steps must be respected.
NOTE: Press several times on the pin
support. It should feel like a push-button.
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