Anest Iwata DDP 70 B Manual De Instrucciones De Uso Y Mantenimiento página 17

DPS-70 C - DPS-70 CN DIAPHRAGM PUMPS
9.3 RECOMMENDED SCHEDULED OPERATIONS
DISASSEMBLE AND CLEAN THE DELIVERY AND SUCTION FILTERS AS WELL AS THE FLUID PAS-
EVERY 50 HOURS
SAGE DUCTS.
NOTE: If highly pigmented paints or paints with many particles tending to deposit are used, carry out
WORKING HOURS
maintenance operations at shorter intervals.
OVERHAUL THE WHOLE PAINTING UNIT AND REPLACE THE WORN COMPONENTS.
EVERY 2.000
NOTE: The component corrosion speed varies according to the type of paint and the working conditions.
WORKING HOURS
To replace the worn components, follow the given instructions.
9.4 DIAPHRAGM PUMP DISASSEBLY FROM ITS BASE SUPPORT
PRECAUTIONS
BEFORE DISASSEMBLING THE PUMP, FOLLOW CAREFULLY THE INSTRUCTIONS BELOW:
a) While disassembling the pump, avoid damaging the O'rings.
b) To disassemble and reassemble the adaptors (3 pag. 22) and the pump lids (2 pag. 22) use a 5 mm
Allen wrench and a 10 mm spanner.
c) Disassemble, in this order, the lower adaptor, the upper adaptor, the side lids (2 pag. 22) by
unscrewing the socket head screw by means of the suitable spanners.
1. Refer to the PRECAUTIONS FOR THE OPERATOR about the pressure release process (section 8.7).
2. Disconnect the pump from the compressed air supply.
3. Disassemble the suction filter system from the pump.
4. Remove the recirculation pipe.
5. Disassemble the paint regulator from the pump.
6. Disassemble the pump casing from the support base by removing the four special screws.
7. Remove the lower adaptor, the upper adaptor and the lid by following this order.
PRECAUTIONS
Some paint residues could remain inside the regulator: discharge them into the paint tank by over-
turning the pressure regulator itself.
9.5 LIDS, CONNECTORS AND AIR OPERATING VALVE DISASSEMBLY
CONNECTORS AND LIDS DISASSEMBLY
Upper adaptor
Lower adaptor
Diaphragm
Rod
Lid
OPERATING VALVE DISASSEMBLY
Sub Plate
Hex. socket bolt (M4)
Packings
EN
17