SQUEEGEE CLEANING/CHECK/REPLACEMENT AND SQUEEGEE BLADE REPLACEMENT (All
models)
CAUTION!
It is advisable to wear protective gloves when cleaning the squeegee because there may be sharp debris.
Disassembly and cleaning
Drive the machine on a level oor.1.
- (For 2. BA 451D, BA 531D, BA 551D, BA 551CD, BA 611D) Turn the ignition key (80) to “0”.
- (For BA 451, BA 531, BA 551) Turn off the switches (71) and (73).
- (For CA 451, CA 531, CA 551) Disconnect the power supply cable (59) from the electrical mains.
Lower the squeegee (25) with the lever (10).3.
Loosen the handwheels (26) and remove the squeegee (25).4.
Disconnect the vacuum hose (15) from the squeegee.5.
Clean the steel squeegee (Fig. 1) or the aluminium squeegee (Fig. 2). Clean the compartments (A, Fig. 1 or 2) and the hole 6.
(B) especially. Check the front blade (C) and the rear blade (D) for integrity, cuts and tears; otherwise replace them (see the
procedure in the following paragraph).
Install the squeegee in the reverse order of removal.7.
Check and replacement
Clean the steel squeegee (Fig. 1) or the aluminium squeegee (Fig. 2), according to the procedure shown in the previous 8.
paragraph.
Check that the edges (E, Fig. 1 or 2) of the front blade (C) and the edges (F) of the rear blade (D) lay down on the same level, 9.
along their length; otherwise adjust their height according to the following procedure:
Release the tie rod (G, Fig. 1 or 2) and loosen the wing nuts (H, Fig. 1), or disengage the fasteners (M, Fig. 2) and adjust •
the rear blade (D, Fig. 1 or 2), then tighten the wing nuts, or engage the fasteners, and then engage the tie rod.
Loosen the handwheels (I) and adjust the front blade (C, Fig. 1 or 2); then tighten the handwheels.•
Check the front blade (C, Fig. 1 or 2) and rear blade (D) for integrity, cuts and tears; if necessary replace them according to the 10.
following procedure. Check that the front corner (J) of the rear blade is not worn; otherwise, overturn the blade to replace the
worn corner with an integral one. If the other corners are worn too, replace the blade according to the following procedure:
Release the tie rod (G), remove the wing nuts (H) or disengage the fasteners (M), remove the retaining strip (K), then •
replace/overturn the rear blade (D). Then install the blade in the reverse order of removal.
Unscrew the handwheels (I) and remove the retaining strip (L), then replace the front blade (C). Install the blade in the •
reverse order of removal.
After the blade replacement (or overturning), adjust the height as shown in the previous step.
Connect the vacuum hose (15) to the squeegee.11.
Install the squeegee (25) and screw down the handwheels (26).12.
If necessary, adjust the squeegee balance adjusting handwheel (27).13.
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