PDF_Installation LE v1.1.pdf - Maryland Metrics

Ringfeder® Locking Elements RfN 8006 / Type GSA
Installation And Removal Instructions
1 Ring feder Co rporation –Instructions LE v1.1
Since the torque is transmitted by contact pressure and f riction between the
frictional sur faces, the condition of the contact sur faces and the proper tightening
of the lo cking scr ews are impo rtant.
INSTALLATION
Clamp Flange
Hub
Shaft
1 Carefully clean and lightly oil the shaft, hub bor e, spacer sle eves and lo cking
element s.
Note: Do NOT use a Molybdenum Disulphide LUBRICANT (“MO LYKOTE” OR
THE LIKE).
2 Install the pa rts in the foll owing orde r:
a Hub (the pl ay between hub bore and shaft af fects the t rue running of the
hub).
b Spacer sle eve to b ridge the undercut (if needed).
c Outer ring/inner ring (both pa rts must slide on easily) . For one lo cking
element install the outer ring first . Otherwis e, install the inner ring first.
d Spacer sle eve and clamp flange or clamp ring (both pa rts should slide on
easily).
e Carefully oil the oking scr ew threads and head be ring su faces.
Note: Do NOT use Molybdenum Disulph e.
Figure 1: Tightening Sequence
Tightening sequence for lo cking
scr ews.

Ringfeder® Locking Elements RfN 8006 / Type GSA
3 Tighten the lo cking scr ews evenly and in s everal steps foll owing the
diamet rically opposite sequence illustrated i Figure n 1: Tightening Sequence.
a Tighten the scr ews by hand until a slight positi ve contact is esta blished .
Make final alignment adjustments to the connection.
b Tighten the scr ews to appr ox. one-half the specified torque using an
extended key or torque wrench.
c Tighten the scr ews to full tightening torque using a torque wrench.
d Verify that the scr ews are fully tightened by applying the specified torqu e.
4 Check distance x . The clamp ring should not ma ke contact with the face of the
hub. The gap between the clamp ring and hub face should be even all the way
around.
REMOVAL
Note: Ring feder ® locking elements are not self-lo cking.
1 Remove any accumulated contaminants from the connection.
2 Loosen the lo cking scr ews in s everal stages foll owing a diamet rically opposite
sequenc e.
3 Remove the hub and lo cking elements from the shaft . If the lo cking element is
jammed, loosen it by tapping it with a light hamme r.
RINGFEDER Products are available from MARYLAND METRICS
P.O. Box 261 Owings Mills, MD 21117 USA email: sales@mdmetric.com web: http://mdmetric.com
phones: (410)358-3130 (800)638-1830 faxes: (410)358-3142 (800)872-9329
Ring feder Co rporation –Instructions LE v1.1- E
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