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B-20 / ENGLISH
B-20 - FORM NO. - 56041684 - BA 755, BA 855
SERVICING THE RECOVERY TANK SWITCH(ES)
If the recovery tank fl oat switch(es) become dirty it can impair their proper operation. A dirty vacuum shut off switch can cause the vacuum motor
to not function at all or to not shut off when the tank is full. Dirty extended scrub system switches can prevent the optional extended scrub system
from functioning properly.
If daily rinsing of the recovery tank does not suffi ce to keep the switches clean you may need to disassemble them for cleaning. It is very
important that they be reassembled correctly in order to function. See Figure 6 for the correct orientation of the switch fl oat arms.
Refer to the service manual for detailed disassembly and cleaning instructions.
FIGURE 6
Float should move up & down freely.
Factory installed Vacuum Shut-Off Switch. Float on TOP.
Optional Extended Scrub Start Switch. Float
on BOTTOM.
Optional Extended Scrub Stop Switch.
Float on BOTTOM.
Float should move up & down freely.
OFF
ON
ON
ON
OFF