75
Ma
in
te
n
an
c
e
Wear part replacement
NOTE
• Fit the retainer to the diaphragm with its round edge
to the diaphragm.
• Check that the bracket spacer is in place. Re
fi
t the
bracket spacer into the bracket, combining mating
parts as necessary.
Screw the diaphragm all the way seated in the plunger.
Run the pump and set the stroke length to 100%. Then stop the
pump.
Mount the pump head.
Tighten the pump head
fi
xing bolts diagonally and evenly.
Tightening torque
Model identi
fi
cation code
Torque
Bolts
EHN-B11•16•21
2.16 N•m
M4 Hex. socket head bolt
EHN-B31
2.55 N•m
M4 Hex. socket head bolt
EHN-C16•21
2.16 N•m
M4 Hex. socket head bolt
EHN-C31
2.55 N•m
M4 Hex. socket head bolt
EHN-C36
2.55 N•m
M5 Hex. socket head bolt
*A hexagon wrench can be used for a torque wrench. See page 33.
Bracket
Mating parts
Bracket
spacer
6
7
8
Summary of Contents for EHN-R
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