Maintenance Of The Other Hydraulic Components - Carel heaterSteam User Manual

14.2 Maintenance of the other hydraulic components

IMPORTANT WARNINGS:
DO NOT USE DETERGENTS OR SOLVENTS TO CLEAN THE PLASTIC COMPONENTS.
TO REMOVE THE DEPOSITS USE A 20% ACETIC ACID SOLUTION, THEN RINSE THOROUGHLY WITH
WATER.
Carel code +030221761
Fig. 14.2.1
n. description
1 O-ring stop ring for S/D manifold
2 S/D manifold (supply - drain)
3 fill electrovalve
4 drain electrovalve
5 tank supply tubing
6 cylinder supply tubing
7 overfill tubing
8 fill tank
9 bottom tank
Fill electrovalve (Fig. 14.2.1, part. no. 3)
After having disconnected the cables and the tubing,
remove the electrovalve and check the state of the inlet
filter, cleaning it if necessary using water and a soft
brush.
Supply and drain manifold (Fig. 14.2.1,
part nos. 1 and 2)
Check that there are no solid residues at the cylinder
coupling; remove any impurities.
Check that the O-ring is not damaged or cracked;
replace it if necessary.
Drain electrovalve (Fig. 14.2.1, part. no. 4)
Disconnect the power cables, remove the bobbin and
remove the valve block after having unscrewed the two
fastening screws from the manifold; remove any
impurities and rinse.
Bottom tank (Fig. 14.2.1, part. no. 9)
Clean the tank for any deposits and check that water
flows freely from the tank to the tubing.
Fill tank (Fig. 14.2.1, part. no. 8)
Check that there are no blockages or solid particles and
that the conductivity measuring electrodes are clean,
remove any impurities and rinse.
Supply, load, overfill tubing
(Fig. 14.2.1, part nos. 5, 6 and 7)
Check that they are free and do not contain any
impurities; remove any impurities and rinse.
46
preliminary version - rel. 2.0 - 03/09/99
heaterSteam
Tab. 14.2.1