
34
GB
7. Maintenance, cleaning and recalibraon
7. Maintenance, cleaning and recalibraon
7.1 Periodic maintenance
Repairs must only be carried out by
.
DRUCK & TEMPERATUR Leitenberger GmbH
Cleaning the units and checking the liquid levels is the only periodic maintenance
required. With normal use, no further maintenance should be necessary. If required, the
system can be returned to the manufacturer for re-condioning. Accuracy, overhaul and
re-cer icaon are also explained in chapter 7.4.1 "Factory overhaul and re-cer icaon
f
f
of pressure balances maintenance of accuracy".
Fluids, which a ack ABS, should be used with cauon. Connual
immersion of the cover in such luids will cause deterioraon. Spillage’s
f
should be wiped of immediately.
7.2 Correcve maintenance
7.2.1 General
This secon contains details on stripping the unit and replacing the spare parts which
are listed (see chapter 10 "Accessories"). The component idenicaon numbers in
brackets in each procedure refer to the following igure.
f
7.2.2 Removing the cover
1. Drain as much oil as possible from the pressure balance by winding the screwpress
fully clockwise and using a drain screwed in the gauge stand.
2. Unscrew the loose union connecon and piston-cylinder unit.
3. Remove the oil cups by levering upwards carefully.
4. Slacken the socket set screw using a 3 mm hexagon wrench key and remove both
handwheels.
5. Remove the four cover retaining screws and li of the cover.
7.2.3 Reservoir seals
1. Unscrew two screws and remove the reservoir cover
2. Remove the O-ring seal
(6)
from the recess and the seloc seal
(7)
from the screws.
3. On replacement ensure all sealing faces are absolutely clean and do not overghten
screws.
Manual M
LDW-HK
odel
LR-
Cal
Содержание LDW-HK
Страница 16: ...16 GB 3 Speci ica ons f Side view Dimensions in mm without masses Front view Manual M LDW HK odel LR Cal...
Страница 21: ...21 GB 4 Design and func on G D C F E H J K Sec oned view of screw pump Manual M LDW HK odel LR Cal...
Страница 46: ...46 GB Manual M LDW HK odel LR Cal...
Страница 91: ...91 No zen Notes Anleitung Modell LDW HK Druckwaage Kolbenmanometer LR Cal...