10
- FORM NO. 56043115 - 34 RST
Introduction
Maintenance Schedule
Maintenance intervals given are for average operating conditions. Machines used in severe operational
environments may require service more often.
MAINTENANCE ITEM
Daily Weekly Monthly Yearly
Charge the Batteries
X
Check/Clean Tanks and Hoses (clean recovery tank switch and vacuum inlet screen)
X
Check/Clean/Rotate the Brushes/Pads
X
Check/Clean the Squeegee
X
Check the Water Level in each Battery Cell (does not apply to gel cell batteries)
X
Inspect the Brush Housings
X
Inspect and Clean the Solution Filter
X
Lubricate the Machine
X
* Check the Carbon Brushes
X
Note:
See the individual machine system sections in this manual for maintenance information.
Warning! Turn the key switch off and disconnect the batteries before servicing the
machine.
* Carbon brush inspection intervals and replacement recommendations:
• Check the vacuum motor carbon brushes (two per motor) once a year or after 300 operating hours.
• Check the carbon brushes on the brush and wheel drive motors (four per motor) once a year or after 500 operating
hours.
• The original (new) length of each carbon brush is 1” (25.4mm) on all 36-volt machine models brush and wheel
drive motors.
• All motors: Replace carbon brushes when shorter than 3/8” (9.5mm) to obtain the same motor efficiency as new
brushes.
Important!
Motor damage resulting from failure to service the carbon brushes is not
covered under warranty. See the Limited Warranty Statement.
Batteries and Chargers
Attention:
See the
Electrical System/Batteries
section in this manual for battery installation,
battery maintenance and charger system
requirements.
Lubricating the Machine
Once a month, apply light machine oil to lubricate
the:
• General pivot points for the squeegee linkage
(A)
.
• Threads on the squeegee angle adjustment
knob
(B)
.
• Squeegee tool end wheels
(C)
.
• General pivot points for the brush linkage
(D)
.
Once per quarter, grease the zerk fitting on each
of the two caster swivels
(E)
.
