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REPAIR AND MAINTENANCE
TORQUE SPECIFICATIONS
For proper pump operation and to prevent accidents, you must
periodically review the torques of the diaphragms covers and the
directional valve. The table shows the appropriate torques for
this purpose:
CAUTION!: DO NOT OVERTIGHTEN FASTENERS.
SHUT OFF THE AIR SUPPLY BEFORE ANY INTERVENTION. BE AWARE
OF A POSSIBLE FLUID LEAKAGE INSIDE THE PUMP.
AIR VALVE
1. Unscrew the air cap (12, 13) and remove it.
2. Pull out the air valve (19).
3. Place the bottom gasket (21) in the new air valve.
4. Insert the new air valve.
5. Place the "air cap" with the gaskets in its housing.
6. Tighten the screws with 10 N·m (8 ft.lbs) torque.
AIR SENSOR
The air sensors are on the central body.
First follow the procedure for "Replacing diaphragms".
Once the fluid covers are removed proceed as follows:
1. Remove the two screws (27) that secure the air sensor to the top.
2. Remove all sensor components (22, 23, 24, 25, 26). Clean the area.
3. Insert new components in the order shown. Assemble the remaining
components in reverse order.
4. Fit the sensor cover (26) and tighten the screws (27).
10
855 873 R. 04/23
SAMOA Industrial, S.A. · Pol. Ind. Porceyo, I-14 · Camino del Fontán, 831 · 33392 - Gijón - Spain · Tel.: +34 985 381 488 · www.samoaindustrial.com
TORQUES
UP10
22
23 24
25 22 26
27
Cover and manifolds
Air cap
Diaphragms
ATTENTION! TIGHTENING SEQUENCE
6
12
2
13
4
19
21
IMPORTANT:
Follow the diaphragm maintenance procedure to ensure
no damage in the diaphragm during its assembly.
25 N·m (18 ft.lbs)
10 N·m (8 ft.lbs)
40 N·m (30 ft.lbs)
10
7
3
1
5
8
9
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