11
6.4 Replacing and Cleaning Consumables
See Caution (10), P06
Use the following tools, and refer to the photographs, when replacing cleaning components.
Contact the manufacturer’s service division for this work if the necessary tools are not
available.
・
Tools
1. Spanners
: For 4 and 6 mm nuts.
2. Torque wrench
: With 6 mm socket. Ensure that it is capable of being set to 16 and
18 N.m torque.
3. Adjustable spanner
: For 24 mm nuts.
4. Vacuum grease
: For replacing O rings.
5. Solvent
: For cleaning. Use a solvent such as ethylalcohol which has no
effect on rubber components.
6. Paper towels etc
: Used for wiping grease and dirt.
7. Dust Mask and Gloves
※
Use tool Nos. 5 and 6 to wipe areas contaminated while replacing components.
1) Cleaning DA-121D series and DA-241S series Inlet Filters
It is recommended that diaphragms, valves, and O rings be cleaned when they are
replaced.
Use tools 3, 5, and 6 listed above.
(1) Remove the inlet pipe with the spanner and withdraw the filter from the valve retainer
hole using a thin rod.
(2) Remove all particles from the filter and wipe it with solvent.
(3) Replace the cleaned filter in the valve retainer hole.
(4) Replace the inlet pipe and tighten it with the spanner.
Note: Tighten the inlet pipe until it contacts the valve retainer.
①
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.
②
Use a dust mask and gloves when replacing diaphragms and valves to prevent
ingestion of fine particles in the air produced by wear of components.
③
Always use gloves to prevent injury when replacing diaphragms.
!
Caution