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Hersteller: Nilfisk-Advance America Dateigröße: 4.84 mb Dateiname: Unterrichtssprache:

Follow the instructions on the battery charger. SERVICE NOTE: Make sure you plug the battery charger into the connector with the handle attached to it. IMPORTANT: Make sure you have an appropriate charger for use on Gel cell batteries. Use only “voltage-regulated” or “voltage-limited” chargers. Standard constant current or taper current chargers MUST NOT be used. A temperature-sensing charger is recommended, as manual adjustments are never accurate and will damage any VRLA battery. B-18 - FORM NO. - 56041684 - BA 755, BA 855 ENGLISH / B-19 SERVICING THE SQUEEGEE If the squeegee leaves narrow streaks or water, the blades may be dirty or damaged. Remove the squeegee, rinse it under warm water and inspect the blades. Reverse or replace the blades if they are cut, torn, wavy or worn. To Reverse or Replace the Rear Squeegee Wiping Blade... 1 See Figure 5. Raise the squeegee tool off the floor, and then unsnap the Center Latch (23) on the squeegee tool. 2 Remove the Tension Straps (22). 3 Slip the rear blade off the Alignment Pins (24). 4 The squeegee blade has 4 working edges. Turn the blade so a clean, undamaged edge points toward the front of the machine. Replace the blade if all 4 edges are nicked, torn or worn to a large radius. 5 Install the blade, following the steps in reverse order and adjust the squeegee tilt. To Reverse or Replace the Front Squeegee Blade... 1 Raise the squeegee tool off the floor, loosen the (2) Thumb Nuts (25), disconnect the Recovery Hose (19) and remove the Squeegee Assembly (13) from the mount. 2 Remove both rear Tension Straps (22) first. 3 Remove all the wing nuts that hold the front blade in place, then remove the tension strap and blade. 4 The squeegee blade has 4 working edges. Turn the blade so a clean, undamaged edge points toward the front of the machine. Replace the blade if all 4 edges are nicked, torn or worn to a large radius. 5 Install the blade, following the steps in reverse order and adjust the squeegee tilt. ADJUSTING THE SQUEEGEE Adjust the squeegee angle whenever a blade is reversed or replaced, or if the squeegee is not wiping the floor dry. To Adjust the Squeegee Angle... 1 Park the machine on a flat, even surface and lower the squeegee. 2 While moving the machine forward slowly, turn the Squeegee Adjustment Knob (26) until the rear squeegee blade folds over evenly across the entire width of the squeegee as shown below. FORM NO. - 56041684 - BA 755, BA 855 - B-19 B-20 / ENGLISH SERVICING THE RECOVERY TANK SWITCH(ES) If the recovery tank float 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 suffice 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 float arms. Refer to the service manual for detailed disassembly and cleaning instructions. FIGURE 6 OFF ON ON ON OFF Float should move up & down freely. Factory installed Vacuum Shut-Off Switch. Float on TOP. “0 ¥ Optional Extended Scrub Start Switch. Float on BOTTOM. Optional Extended Scrub Stop Switch. Float on BOTTOM. pT|=i B-20 - FORM NO. - 56041684 - BA 755, BA 855 ENGLISH / B-21 ADJUSTING THE DISK DECK SKIRT HEIGHT M CAUTION! Turn the Key Switch (A) OFF (O) and remove the key, before changing the brushes, and before opening any access panels. The disk deck skirt height can be adjusted for wear. To Adjust the Disk Deck Skirt Height... 1 Raise the Scrub Deck (7), turn the Key Switch (A) OFF and remove the key from the machine. 2 See Figure 7. Pull the Scrub Deck Bumper (9) UP to the top edge of the scrub deck so that it is not holding the skirt in place as shown. NOTE: Before removing the Scrub Deck Skirt (8) take note of which one of the 3 different levels of slots the skirt was installed at. 3 To lower the skirt, move it down to the next level of slots as shown. Service Note: Install the skirt starting at the first alignment pin on the right as shown and work it around the deck in a counter-clockwise direction until it is on all alignment pins. 4 Pull the Bumper (9) back down over the Skirt (8). NOTE: Make sure the skirt alignment pins are inserted into the lower inside channel of the bumper and make sure the skirt does not slip off any of the alignment pins. Bumper Cross Section FIGURE 7 Always install skirt starting from the first alignment pin on the right. FRONT Work skirt around in counter-clockwise direction. FORM NO. - 56041684 - BA 755, BA 855 - B-21 B-22 / ENGLISH CIRCUIT BREAKER TRIPPING Circuit breakers protect electrical circuits and motors from damage due to overload conditions. If a circuit break...

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