4.5 Cleaning/ Replacing the Plunger and Diaphragm
A plunger and a diaphragm are attached to the left and right pump body. The following
section will explain the method for cleaning/ Inspection (replacing) the plunger and the
diaphragm on the right side (when viewed from the front). Replacing the plunger and
a diaphragmthe on the left side are also the same procedure.
When replacing the plunger, be sure to also replace the plunger seal and the diaphragm.
Necessary tools
Part Name Quantity Part No.
Wrench (8 mm and 10 mm) 2 086-03002
Allen wrench M4 1 086-03804
Allen wrench M5 1 086-03805
Box driver 1 228-28767-91
Diaphragm jig 1 228-54852
Plunger press plate 1 228-70388
Necessary parts
Part Name
Part Type Part No. Remark
Plunger Holder Assy Consumable part 228-52069-44
Supplied with a
diaphragm
n Prior to the inspection and the maintenance Perform the preparatory work.
"4.1.1 Prior to Inspection and Maintenance" P.79
100
LC-40D X3 CL LC-40D XR CL
4 Maintenance