BRUSH ENABLING MICROSWITCH ADJUSTMENT/REPLACEMENT (For BA 451D, BA 531D, BA 551D,
BA 551CD, BA 611D)
Drive the machine on a level oor.1.
Turn the ignition key (80) to “0”.2.
Disconnect the battery connector (12).3.
Remove the screws (A) and move the drive paddle cover (B).4.
Check that the springs (C) operate correctly when releasing the drive paddle (D).5.
If necessary, replace the microswitch (F) according to the following procedure:6.
Mark the position of the connectors (I) and disconnect them from the microswitch.•
Remove the screws (M).•
Remove the microswitch (F).•
Install the new microswitch and fasten it with the screws, then connect the connectors (I).•
Check that the actuator (E) of the microswitch (F) is in the housing (G) of the cam (H) when the drive paddle is released (D). 7.
Check also that the cable contacts (I) are all opened (use a tester).
Press the drive paddle (D) and check that the actuator (E), in the positions (J) and (K) activates the microswitch (F) (a clicking 8.
sound must be heard). Check also that the cable contacts (I) are all closed (use a tester).
If necessary, to reach the above-mentioned condition, loosen the screws (L) by adjusting the position of the cam (H), and/or by
loosening the screws (M) and by adjusting the position of the microswitch (F). Tighten the screws.
CAUTION!
If the microswitch connections (I) are disconnected, pay attention to reconnect them on the same contacts and
to leave the contact (N) free.
Assemble the components by performing steps 3 and 4 in the reverse order.9.
Test the brush operation.10.
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