11.3 Replace the suction / pressure valve and metering cartridge
Personnel:
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Mechanic
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Service personnel
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Specialist
Protective equipment:
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Chemical-resistant protective gloves
n
Protective eyewear
A
A
A
A
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6
7
1
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3
1
2
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5
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5
6
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Fig. 92: Replace the suction / pressure valve and metering cartridge
1 O-ring, hose connection, pressure side
2 Pressure valve
3 O-ring: Pump head pressure valve
4 V3 metering cartridge
5 O-ring: Pump head suction valve
6 Suction valve
7 O-ring, hose connection, suction-side
A Tightening torques for dosing head screws
1. Remove suction and pressure valve using an open spanner
.
2. Fit all O-rings.
3. Fit metering cartridges (for pump head with 5 l/h, valve model V3)
NOTICE!
Ensure that the metering valves are installed correctly!
Ä
Chapter 11.4 ‘Installing the dosing valve in the correct position’
on page 162
Tightening torques of the suction and pressure valves (Fig. 92,
pos. A): see
Ä
Table on page 162.
4. Screw in the new suction and pressure valves in the correct position.
NOTICE!
Spare parts, see:
Ä
Chapter 12 ‘Wearing parts and spare parts’
on page 168
Servicing
161 417102276 Rev. 5-02.2020
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