AWH Tanko RT, Operating & Installation Instructions Manual, Page: 103 / 132

ATEX Retractor System TANKO-RT/-RTS
7 Maintenance Translation - Operating/installation instructions 2020/01 93/121
The tightening torque values required for the thread connections are listed in Table 7.5-1 .
The item numbers shown in brackets refer to Figure 7.5-1: Internal Construction .
P
oint
Inspection and Maintenance Work
Inter
va
l
M
etho
d
A
Check compressed air hoses for damage and signs of age. Replace
them if necessary.
m S, F
B
Check that the clamp connection and its screw connections are securely
fitted.
¼ y S, F
C
Check the clamp connection and its screw connection for tight fitting
and impermeability.
m S, F
D
Check that the threaded connection and threaded locking rod are
securely fastened (for the tightening torque, see
Table 7.5-1 ) .
Check the O-ring seal and inspect the O-ring for wear (Item 1.19 Centering
adapter).
Check that the screws between the damping ring holder and the piston
are securely fastened. This screw connection is secured with Loctite “243”. H1000
or ¼ y
S, F
E
Check that the locking pin is securely fastened.
Check the rotation of the spray head by hand.
Check the O-ring (Item 2.05) for wear.
When disassembling the spray head from the centering adapter, replace
the locking pin.
1. and 2.
H500 then
H1000 or ¼-j
S, F
F
Check the clamp connection and its screw connection for tight fitting
and impermeability.
m S, F
G
Measure the flow resistance between the piston rod and the housing.
The flow resistance must be < 1 MΩ (see
Chapter 6 Start-up )
Contact from other components, e.g the centering adapter on the
housing, must be prevented.
H1000 M
H
Replace the central bearing, depending on the stroke length
Stroke length = 100 - 250 mm
Stroke length = 500 mm
H10000
H5000
A
J
Check that the limit switch is functioning and in the correct position. If
necessary, replace it and glue to the specified position (
Figure 5.2-9 and
Figure 7.5-1 ).
t S, F
K
Check the locking bolt for wear. At the corresponding level of wear,
replace the locking cylinder assembly.
H5000 S, A
L
Check the functioning of the resistance thermometer according to
the manufacturer instructions (see also
Section 5.2.4 Connection of
Pneumatic Actuator ).
See
manufacturer
information
F
L Check the correct position ( Figure 5.2-11 ) of the resistance thermometer t S
Table 7.4-1: Inspection and Maintenance Work
The presence and legibility of information and warning signs must be checked regularly.