Dismantling Of Booster; Assembly Of Booster; Reconstruction Of Valve Variant Cpv - O To Cpv - C And Vice Versa - SPX FLOW APV DELTA CPV Instruction Manual

APV
APV_CPV_UK-3_112017.indd
19.6
19.7
19.5
19.4
upper
retainer ring
retainer ring
Constant Pressure Diaphragm Valve
DELTA CPV
Instruction Manual: UK – rev. 3
11. Service Instructions
11.4.

Dismantling of booster

The item numbers refer to the spare parts drawings RN 01.177.
1. Depressurize the product line and air supply line.
2. Dismantle the air supply line (9, 19.7).
3. Remove the hexagon screws (19.6).
4. Remove the housing cover (19.5), diaphragm (19.4) and piston
(19.3).
5. Press the lower retainer ring (19.1) to the bottom and out of the
groove.
6. Slide the booster housing to the bottom und remove the upper
retainer ring.
7. Remove the booster housing to the top.
11.5.

Assembly of booster

19.3
1. Install the lower retainer ring up to the leakage drain pipe via the
groove of the shaft bearing.
(The retainer ring must not lock in the groove.)
2. Place the booster housing (19.2) via the hexagon nut (13).
3. Insert the upper retainer ring into the groove.
4. Slide the booster housing to the top until it locks in the upper
retainer ring.
19.2
5. Push the lower retainer ring via the shaft bearing to the top. The
retainer ring must lock in the groove. (The booster housing is firmly
connected with the upper housing.)
6. Insert the piston (19.3) and diaphragm (19.4). Place the housing
cover on the diaphragm and press the two parts together. The
19.1
diaphragm must distinctly lock in the groove.
lower
7. Tighten the housing cover.
11.6. Reconstruction of valve variants CPV-o to CPV-c and vice
versa
In order to change the mode of operation of the valve, just the
valve shaft (3 or 4) has to be replaced.
See dismantling of wear parts, see item 11.2.
UK
12