No
�
Fault
Can be r
ecogniz
ed b
y
Possible cause
Remedial measur
es
3
Deformation on the sliding slee
ve, actuation unit or
connect
or par
ts
Difficult t
o mo
ve
during actuation
Contact with cylinder cap when mo
ving pallets in
and out
Replace the connect
or immediately
and send t
o WEH for maintenance
Sound of escaping gas on housing or fitting
4
Actuat
or is loose
Mark
ed later
al wob
-
bling of actuat
or
Allen scr
ew on the cam of
the actuat
or has become
loose
Tighten the scr
ew with
7
Nm,
send the
connect
or t
o WEH for
maintenance if
necessar
y
5
Connecting thr
ead leaking
Sounds of escaping gas
Fittings ha
ve become
loose
Tighten the fittings with the indicated tor
que, see
Swiv
el joint leaking
Saf
ety peg leaking
Contamination or wear of the inner seals
Send the connect
or t
o WEH for
maintenance
6
Segments of the clamping jaw do not separ
ate widely
enough
De
vice is seated t
oo
loosely
, it wobbles in
the v
alv
e thr
ead
W
ear
First check the cylinder v
alv
e with
the thr
ead gauge; if it is def
ectiv
e,
replace the cylinder v
alv
e. If the v
alv
e
is in good condition, the connect
or is
def
ectiv
e. Send the connect
or t
o WEH
for maintenance
Connect
or is loose despite
pr
oper connection
7
Fewer than 4 thr
eads at
the v
alv
e connection ar
e
engaged
Thr
eads ar
e visible at
the end of the v
alv
e
W
ear of the connect
or
cam
Replace the connect
or immediately
and send t
o WEH for maintenance
W
rong cylinder v
alv
e
Check the cylinder v
alv
e
If y
ou should encounter any other pr
oblems, please contact WEH or y
our r
esponsible distribut
or
.
MD-10017-L51-R2.1.0-03
Page 30
Operating instructions
AE
Summary of Contents for TW54
Page 2: ......
