Gearless Lift Machine
WSG-18 and WLG-18
Operating Instructions
Seite/page
25
Datum/date
14.02.2006
Stand/version
0.17
Änderungen vorbehalten!
Subject to changes without notice!
MADE BY
SAD GmbH
A MEMBER OF WITTUR
9.9. Replacing the measuring system (ECN / ERN)
The measuring system is only accessible
from the rear side of the motor.
Disassemble the measuring system only if
this is necessary because of a defect.
Remember to readjust the offset value (only
for
WSG
machines) after reassembly (see
the converter operating instructions).
Disassembly
•
Remove the cover plate (4)
•
Remove the cable cover (5) from the measu-
ring system; pull out the cable p.c.b. con-
nector.
•
Loosen the clamping ring on the measu-
ring system (2 mm Allen screw).
•
Remove the M 5 fastening screw.
•
Insert the M 5 x 45 setscrew
to protect the thread
(see figure) and remo-
ve the measuring
system by
means of the
M 6 x 50 for-
cing screw.
Assembly
•
Check the true running on the stud (plug-in shaft 10)
(permissible runout max.0.02 mm).
•
Clean the stud and the measuring system shaft end; do
not grease them.
•
Remove the cable cover from the measuring system.
•
Plug in the measuring system, insert the M 5x50 faste-
ning screw in the hollow shaft and tighten the screw
(M
A
= 5.2 Nm)
•
Turn the measuring system so that the cable can be
suitably routed.
•
Tighten the clamping ring on the measuring system
(M
A
=0.65 Nm)
•
Insert the cable p.c.b. connector (observing the desi-
gnation "TOP" or the guiding nose).
The ECN 1313 and ERN 1387 require diffe-
rent cables. Please take this into considera-
tion when replacing the measuring system.
Note
Warning
Note
1
2
3
5
4
7
6
8
11
10
9
12
measuring system
(pos. 9)
clamping ring on
measuring system
cable cover (pos. 5)
•
Reinstall the cable cover (5).
•
Reinstall the cover plate (4).