INSTRUCTIONS FOR USE
10
Micromax™ 17B–20B / 20DC–20DD —
909 5426 000(2)2005-03
MAINTENANCE
The machine proper and safe operation is guaranteed by a careful and constant maintenance.
The following table summarizes the routine maintenance required. The intervals indicated can be changed to suit working
conditions. These must be defined by the person in charge of the maintenance.
All routine or extraordinary maintenance operations must be performed by skilled personnel, or by an authorized Service Center.
This Manual describes only the easiest and most common maintenance procedures.
SCHEDULED MAINTENANCE TABLE
(1):
And after the first 8 working hours
(2):
Maintenance operation to be performed by the Advance Service Center
(*):
20DD-20DC versions only
(**):
For cylindrical brushes deck only
SQUEEGEE CLEANING
1.
Drive the machine on a level ground.
2.
Check that the switches (5 and 6, Fig. B) are in “0”
position.
3.
Lower the squeegee (10) with the lever (19, Fig. C).
4.
Disconnect the suction hose (26, Fig. C) from the
squeegee.
5.
Loosen the knobs (11, Fig. C) and remove the squeegee
(10).
6.
Wash and clean the squeegee; in particular, clean the
compartments (1, Fig. D) and the hole (2) from dirt and
debris. Check that the front (3) and rear blades (4) are
integral and free from cuts and lacerations; otherwise
replace them (see the procedure in the following
paragraph).
7.
Install in the reverse order of removal.
WARNING!
The operations must be carried out with the machine off and the battery disconnected.
Moreover, carefully read the instructions in the Safety chapter before performing any maintenance
operation.
NOTE
For other maintenance procedures contained in the Scheduled Maintenance Table see the specific Service
Manual that can be consulted at the Advance Service Center.
Operation
Daily, after
machine use
Weekly
Every six
months
Yearly
Squeegee cleaning
Squeegee blade check (and replacement)
Brush/cylindrical brushes cleaning
Tank and suction cage with float cleaning
Solution filter cleaning
Battery charge
Lead battery (WET) fluid level check
Nut and screw tightening check
(1)
Brush electrical motor brush (or carbon brush) check or
replacement
(2)
Suction electrical motor brush (or carbon brush) check or
replacement
(2)
Drive electrical motor brush (or carbon brush) check or
replacement (*)
(2)
Drive shaft bearing greasing (*)
Cylindrical brushes motor drive belt check and adjustment (**)
(2)
NOTE
For a good drying, the squeegee must be clean
and its blades must be in good conditions.
CAUTION!
It is advisable to wear protective gloves when
cleaning the squeegee because there can be
cutting debris.
