16
MTX-R 2nd Stage Maintenance Manual
CONVERTING THE MTX-R REGULATOR
TO LEFT HANDED CONFIGURATION
NOTE: Ensure that the tool is rmly pressed
against the Case Cover whilst unscrewing.
NOTE: The Venturi Lever assembly may have
come out with the valve Spindle in step 4. If this is the
case, depress the Lever and slide the Venturi Lever
assembly from the spindle.
Right Handed
Conguration
Left Handed
Conguration
1. Using a 28mm
spanner hold the
Heat Exchanger (9)
stationary while turning
the Hose Swivel anti-
clockwise with a 11/16”
spanner.
3. Using an 28mm
spanner, remove the
Heat Exchanger (9).
2. Using the Tool (AT94), unscrew the Case Cover
(2). Lift out the Diaphragm Cover (3) and Diaphragm
(4).
4. Press the Lever (19) against the Valve Spindle
(17). While keeping the Lever depressed, grasp the
Bumper (28) and pull the Valve Spindle assembly out
of the Case (6) or remove the Spindle by pushing on
the threaded end.
6. Grasp the Venturi Lever
Assembly (13 & 14) and
pull it out of the Case.
Remove the ‘O’ Ring (12)
from the assembly
5. Remove the two ‘O’
Rings (10) & (12) from the
Blanking Piece (11).
7. Grasp the Venturi
Lever Assembly (13 &
14) as shown and push
the Venturi Blank (13)
to separate it from the
Venturi Lever Body (14).
LEFT
NOTE: The Arrow and line must be aligned to ensure
that the two parts fasten together correctly. Ensure that
the correct conguration of regulator is selected. i.e.
if the Regulator is to be congured as Left Handed,
then the arrow must be aligned to the line with LEFT
underneath.
8. Rotate the Venturi Blank (13) on the Venturi Lever Body
(14). Align the Arrow below the letter ‘L’ on the Venturi
Blank with the line on the Venturi Lever Body above the
LEFT text. Press the Venturi Blank rmly onto the end of
the Venturi Lever Body, until it clicks into place.
R
L