Brush/Pad-Holder/Cylindrical Brush Deck Disassembly/Assembly; Detergent Tank Cleaning - Nilfisk ALTO SCRUBTEC 653B Manuel D'utilisation

BRUSH/PAD-HOLDER/CYLINDRICAL BRUSH DECK DISASSEMBLY/ASSEMBLY

The machine can be equipped with either the brush/pad-holder deck (18a and 18b) or the cylindrical brush deck (18c).
NOTE
When the deck is installed/removed, it may be necessary to change the squeegee too, because they must have the
same width. For correct matching of deck and squeegee, see the Squeegee Installation paragraph.
Disassembly
1. Drive the machine on a level fl oor.
2. Remove the brushes/pad-holders as shown in the relevant paragraph. Do not remove the cylindrical brushes.
3. Lower the brush/pad-holder deck by pressing the pedal (11).
4. If equipped, remove the cotter pins (B, Fig. 11) and the gas spring (A).
5. Disconnect the brush/pad-holder motor electrical connection (D).
6. Disconnect the solution hose union (E).
7. Remove the screws (C), then remove the brush/pad-holder deck (F).
Assembly
8. Assemble the components in the reverse order of disassembly, and note the following:
• When the machine is equipped with the cylindrical brush deck (18c), the gas spring (A) must not be installed.
B
A
B

DETERGENT TANK CLEANING

(For machines with Chemical Mixing System)
Clean the detergent tank (45) according to the following procedure:
1. Drive the machine to the appointed disposal area.
2. Open the cover (22) and check that the recovery tank (21) is empty, otherwise empty it with the drain hose (16). Close the
cover (22).
3. Carefully lift the tank (40).
4. Unscrew the plug (46) and disconnect the hose (50) from the tank (45).
5. Remove the tank.
6. Wash the tank in the appointed disposal area.
7. Install the tank (45) and connect it to the hose (50).
8. After draining the detergent tank, drain the Chemical Mixing System too by running the system with clean water only.
NOTE
Drain the Chemical Mixing System when it is dirty/clogged and after long inactivity/uncleaning of the machine.
9097058000(2)2009-10 A
D
C F
Figure 11
SCRUBTEC 653B – 653BL – 651BCL – 661BL
USER MANUAL
E
ENGLISH
P100121
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