Wilson Benesch Circle 25 - Cartridge Securing and Counter-Balance; Step 7: Securing Cartridge Screws; Step 8: Bearing and Locking Collar Setup; Step 9: Installing Counter-Balance Unit

Step 7
With one M3 cartridge screw, inserted through
one M3 washer in one hand, and the cartridge
in the other. Thread the screw from above
through one of the slots in the end of the
tonearm. The end of this screw should then
be screwed into the corresponding hole in the
upperfaceofthecartridgebody.Youmaynd
iteasiertostartthescrewobyhandand
thennishitowiththesupplied2.0mmallen
wrench.Don’tghtenthescrewtoormlyas
youwillbeadjusngthecartridgeposionlater.
Repeat this process with the other screw.
Step 8
At this stage the bearing can be setup.
Hold the bearing housing with one hand, and
unscrew the grub screw at the side of the
locking collar using the 1.3mm allen wrench.
Lower the locking collar down to the arm
plaormandreghtenthegrubscrewtosecure
it.
Step 9
The next stage is to install the counter-balance
unit.IfyouarenganA.C.T.25tonearm,you
willnoceasmallspring-loadedpininsidethe
mainhole.Inordertoengagethisyoumustlt
thecounter-balancebackalileasyouslideit
onto the balance beam.
Once the pin has passed the end of the beam,
the Counter-Balance should straighten up and
gripthebeamsucientlytobeposioned
whererequired.Byrotangthecounter-
balanceonthebeam,neadjustmentsof
azimuth can be made.