Servicing; Tightening Torques And Lubricant; Preparation For Return Shipment; Malfunctions - Samson 43-8 Mounting And Operating Instructions

7 Servicing

The Type 43-8 and Type 43-8 N Tempera-
ture Regulators do not require much mainte-
nance. Nevertheless, they are subject to nat-
ural wear, particularly at the soldered joints
and seals.
Note
The device was checked by SAMSON before
it left the factory.
− The product warranty becomes void if
service or repair work not described in
these instructions is performed without
prior agreement by SAMSON's After-sales
Service.
− Only use original spare parts by
SAMSON, which comply with the original
specifications.
7.1 Tightening torques and
lubricant
Î See Fig. 2 and Fig. 4
Component
Screw fitting (15)
Fastening screws (16)
Connection nut on the weld-
ing end (A)
Double nut (D)
Connection nut for the sensor
pocket (F)
Grub screw on the sensor (M)
Connection nut on the corru-
gated pipe (W)
EB 2178 EN
7.2 Preparation for return ship-
Defective devices can be returned to SAM-
SON for repair. Proceed as follows to return
devices to SAMSON:
1. Put the device out of operation. See sec-
2. Remove any residual process medium.
3. Send the device together with the filled-in
4. Continue as described on our website at

8 Malfunctions

The malfunctions listed in Table 6 are caused
by mechanical faults and incorrect regulator
Tightening
sizing. In the simplest case, the functioning
torque in Nm
can be restored following the recommended
20
action. Special tools may be required for re-
2
pair work.
Depending on the operating conditions,
80
check the temperature regulator at certain in-
20
tervals to prevent possible failure before it
can occur. Plant operators are responsible
20
for drawing up an inspection and test plan.
1
70
ment
tion 9.1.
form to your nearest SAMSON subsidi-
ary. SAMSON subsidiaries are listed on
our website at u www.samsongroup.com
> Contact.
u www.samsongroup.com > Service &
Support > After-sales Service > Returning
goods.
Servicing
23