Tennant 443C, Руководство оператора

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MAINTENANCE
15
443C MM294 (12–91)
MAINTENANCE
MAINTENANCE REQUIREMENTS
The DAILY, WEEKLY, and MONTHLY
maintenance requirements listed here may be
performed without tools by the machine operators.
Instructions for these maintenance requirements
are provided in this section of the manual.
The EVERY SIX MONTHS maintenance
requirements should only be performed by trained
technicians.
DAILY
Perform all duties listed under
PRE-OPERATION and POST-OPERATION
check lists.
If machine is to be transported or stored
under freezing conditions, machine (and any
options) must be freeze protected. See
FREEZE PROTECTION under STORAGE
INFORMATION.
WEEKLY
Flip the scrub brush end-for-end to prevent a
“set” and increase life.
Remove and clean/flush solution dispensing
tube.
Remove and clean/flush solution screen
filter in the solution tank.
MONTHLY
Remove scrub head from machine, and
thoroughly clean.
Check the scrub brush for wear; replace
brush if remaining bristles measure less
than 0.62 in (20 mm) in length.
EVERY THREE MONTHS
Lubricate brush housing pivot pins/bearings
with light oil.
Check and tighten all fasteners/hardware.
EVERY SIX MONTHS
Six month and yearly maintenance is
recommended to be performed by
technicians from your authorized TENNANT
Service Center. Six month maintenance
includes weekly and monthly maintenance,
plus:
Vacuum motor brush inspection.
Brush motor motor brush inspection.
Solution pump motor brush inspection.
Brush bearing/seal inspection/
replacement.
Check brush drive belt alignment/wear.
Replace belt if required.
SCRUB HEAD
The scrub head encloses the scrub brush, a
solution dispensing tube, a set of squeegee
blades mounted on the front and rear. The scrub
head and squeegee blades should be flushed
daily to remove soil buildup, especially grease,
and obstructions.
DAILY FLUSHING OF SCRUB HEAD
1. Unplug the power cord from the wall outlet.
WARNING: Hazardous Voltage. Shock
Or Electrocution Can Result. Unplug
Power Cord Before Working On Machine.
2. Raise the scrub head by stepping on the
scrub head lift lever with your foot.
3. Position the machine over a floor drain next
to a hot water supply with a hose.