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13
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Guideline for replacement:
• Diaphragm
Replace the diaphragm if a small crack, wear, hardening or deformation is
found on the surface.
• Suction/exhaust valve
Replace the valve if deformation, breakage, bend or the similar is found.
• Head gasket
Replace the pump head cover gasket if hardening, crack, elongation or the
similar is found.
• Bearing
If grease runs out or unusual sound or vibrating sound of the motor is perceived,
contact our representative for repair.
Table 3 Locations for Maintenance and Inspection
Operating hours
Location
Check
Checking method
10,000 hrs
Diaphragm Deformation, crack and hardening
Visual check
Suction/
exhaust valve
Deformation and crack
Visual check
Head gasket Damage and leak
Visual check
Bearing
Unusual sound
Auditory check
•
disposal
When dispose of a pump , obey to a law of a country and a regulations of local
autonomy, dispose of a pump.
7.4 Replacing and Cleaning Consumables
※
The pump becomes very hot after operation. After stopping the pump, leave it
for 30 minutes to cool, and replace and clean components only after it has
cooled to a safe temperature.
※
Always put on dust mask and gloves before replacing diaphragms and valves.
Any fine particles produced by mechanical wearing may become airborne
causing a health risk if inhaled.
※
Always use gloves to prevent injury when replacing diaphragms.
