MAINTENANCE
ALWAYS turn the machine power switch OFFVACUUM INLET FILTER
and unplug the machine before performing anyThis machine has a vacuum inlet filter (Drawing 1, Item 69)
that will require periodic cleaning or replacement. The filter
is located below the paper bag cage in the housing.service. Severe personal injury could result if
electrical power is not disconnected.
To clean: Remove the filter and shake or vacuum it. If theAFTER EACH USE:
filter is worn or uncleanable, replace.
HEPA FILTER1. Inspect the vacuum filter bag. If the bag is full or
The hepa filter (Drawing 1, Item 49) will also require periodicdamaged install a new one.
cleaning or replacement.
2. Check the cord and plug for nicks, cuts or damage.
Report these to your supervisor for correction. Wrap
To clean: Unlatch the cover (Drawing 1, Item 50) to accessthe electrical cord on the hook provided.
the hepa filter, remove the filter and shake or vacuum it. If
the filter is worn or uncleanable, replace.3. Store the vacuum in a clean dry area.
BRUSH STRIP REPLACEMENT
This machine has a removable brush strip. Replace it if itFULL BAG INDICATOR
Your machine is equipped with a device that senses when
becomes worn to the point where it no longer contacts theairflow inside the vacuum chamber is restricted. The red
carpet. To replace: First remove the three (3) screws thatlight located next to the on/off switch will come on when this
hold the access plate on the bottom of the brush housing.condition exists. Restricted airflow can be caused by the
Once the brush roller is exposed, remove the R.H. Support.following conditions:
The brush strip can now slide off - remove and replace with
a new one. Be sure the strip is pushed all the way in. Reas-
semble.A. If vacuum filter bag is full; install a new bag.
B. If the bag is not full, there is an obstruction in the
VACUUM MOTOR MAINTENANCEsystem. Remove the vacuum hose and hold it up to the
Have the vacuum motor inspected annually by a Factorylight; clean out any debris. Next, check the inlet to the power
Authorized Service Technician. If the carbon brushes arebrush housing and clear it of any debris.
worn, they should be replaced. This service will prolong the
life of the vacuum motor.
ELECTRONIC POWER BRUSH MONITOR
The replacement of belts and other repairs to the machineThe machine is equipped with a control system that alerts
should be performed by a Factory Authorized Service Tech-the operator via indicator lights if a problem ooccurs within
the power brush housing. The lighting conditions and what
nician.they mean are:
A. Green Light Illuminated & Red Light Off - The brush
assembly is working properly.
B. Both Red & Green Lights Illuminated - Lower the
brush, the drive belt may be broken, or change the brush
strip.
C. Red Light Illuminated & Green Light Off - The brush
roller is obstructed and cannot rotate. Turn the power switch
off and unplug the machine. Remove any string, debris or
other obstruction so that the brush turns freely.
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