Anest Iwata DDP 70 B.TE Manuel D'instruction Et De Maintenance page 18

DPS-70 C - DPS-70 CN DIAPHRAGM PUMPS
EN
9.6 DIAPHRAGM SET DISASSEMBLY
A
Remove the 2 nuts with a 10 mm spanner.
Disassemble the rod by pressing on the screw and by
C
pulling from the opposite side-towards the outside.
Rod
Main Body
Remove the O rings and the "Y" packings. Place the
E
"Y" packings to the direction that they open outward.
(See picture)
9.7 INTAKE AND EXHAUST VALVE
IMPORTANT: Ensure that the packing is inserted in the seat
before placing the valve seat. If not, it may cause paint leak-
age. Check the direction of the valve seat, making reference
to the figure below.
1. Remove packing, seat and steel ball.
2. Replace worn or damage parts.
IMPORTANT: During the reassembly of the lids on main
body, do not reverse the delivery side with the suction one.
(trade marke is upside)
18
PUSH
Open side face outwards
REMOVE THE FOLLOWING PARTS FROM ROD:
B
Nut - Spring washer - Diaphragm holder (out) - O'ring
Diaphragm holder set (in/out) - Diaphragm holder (in)
Rod
Diaphragm Holder (IN)
Diaphragm (IN)
Hold the flat face of the rod center by means of spanner
and loosen the nut on the side, where the diaphragm
D
has not been removed yet and disassemble as descri-
bed in point b).
TO REASSEMBLE REVERSE THE DISASSEMBLY
F
PROCEDURE.
Lubricate the "Y" packings, the O'ring wiht
lithium grease when fitting to rod.
Tightening pressure of nuts: 5.9 Nm
Lid
Diaphragm (OUT)
Washer
Nut
O'ring
Diaphragm Holder (OUT)
Packing
Steel Ball
Seat
Packing
Packing
Steel Ball
Seat
Packing