17
⑤
Unscrew the head fixing bolt using a spanner to separate each part such as front flange,
sub-ring, and head.
⑥
Unfasten the diaphragm rod with a spanner and then disassemble the front diaphragm.
⑦
Rotate the motor slowly and hold the outer part of the diaphragm when the stroke length of the
back diaphragm reaches 100%. At this time, rotate it counter-clockwise to disassemble the
diaphragm.
⑧
When the diaphragm displays any sign of abrasion or impairment, replace it with a new one.
Assembly
①
Assemble it in the reverse order of disassembly.
②
When the pump’s head bolts are tightened, be sure to give the head fixing bolts uniform force
(torque) in the diagonal direction. ※ Recommended torque: 9.8N?m (100kgf
·
cm)
Bolt
Front
flange
Backup
Diaphragm
Diaphragm
rod
Sub Ring
Diaphragm(front)
Head
Diaphragm(rear)
Sub Ring
Backup
Diaphragm
Diaphragm
rod
Gearbox
flange