Weekly Maintenance; Quarterly Maintenance; Routine Adjustments; Brush Adjustment - Tennant 3280 Manual De Operador Y Lista De Repuestos

WEEKLY MAINTENANCE

(Every 20 Hours of Operation)
1. Inspect intake chamber for any accumulated
debris. Clean if necessary (Figure 8).
2. Tip machine back on handle and inspect brush
area for debris, string, etc. Clean if necessary.
3. Remove vacuum motor cover from bag housing to
access filters. Remove both filters from motors
and clean by tapping on a hard surface. Replace
motor filters, motor cover and filter bag; close
door (Figure 9).
4. Check door seals for cuts and wear.

QUARTERLY MAINTENANCE

(Every 250 Hours of Operation)
1. Check vacuum motors for carbon brush wear,
replace brushes when worn to a length of
0.38 in / 10 mm or less.
Contact an Authorized Service Center for carbon
brush inspection.
FOR SAFETY: When servicing machine all repairs
must be performed by a qualified service person.
Tennant 3280 (12- -06)
FIG. 8
FIG. 9
2. Inspect carpet brush for wear by positioning a
straight edge across shoe. If bristle extension is
0.13 in / 3 mm or less, adjust brush (Figure 10).
FIG. 10
3. Check brush drive belt for proper tension and
alignment.
4. Check vacuum bag for tears, replace if necessary.
5. Check for loose parts and tighten hardware.
6. Check rollers and wheels for wear and free
rotation. Add 3 to 4 drops of light oil in each
bearing.

ROUTINE ADJUSTMENTS

BRUSH ADJUSTMENT

FOR SAFETY: Before leaving or servicing
machine, turn off machine and unplug cord from
wall outlet.
If machine fails to pick up or propel properly, or bristles
extension from shoe is 0.13 in / 3 mm or less, brush
adjustment is required. Use following procedures:
1. Tip machine on its left side and remove eight
screws holding carpet shoe in place. Remove
shoe from lower housing (Figure 11).
FIG. 11
OPERATION
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