56
NOTE
• Fit the retainer with its round edge to the diaphragm.
• Do not remove the bracket spacer. If removed, replace it
as shown to the right.
Screw the new diaphragm into the plunger as far as it will go.
Run the pump and set the stroke length to 100%.
Stop the pump afterwards.
Mount the pump head.
Tighten the pump head fixing bolts diagonally and evenly by the following torque at each model.
Tightening torque
Model code
Torque
Bolts
EHN-B11/-B16/-B21
2.16 N•m
M4 Hex. socket head bolt
EHN-B31
2.55 N•m
M4 Hex. socket head bolt
EHN-C16/-C21
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 31.
6
7
8
Bracket
Bracket
spacer
Mating parts
Wear part replacement
Summary of Contents for EHN-B11-NAE
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