Maintenance; Storing Machine - Tennant 3530 Operator And Parts Manual

FIG. 17
4. Pull up on drain lever and turn on switch
( Figure 18 ).
FIG. 18
5. Vacuum motor will pressurize tank and force
water up into drain sink.

MAINTENANCE

To keep machine in good working condition, simply
follow machine's daily, weekly and monthly
maintenance procedures.
WARNING: Hazardous Voltage. Shock or
electrocution can result. Unplug machine before
servicing.
1. Drain and rinse recovery tank after wet
vacuuming.
2. Remove and clean float shut–off screen from
recovery tank.
3. Clean squeegee blades with a cloth. Replace
blades when they become worn.
4. Check bag for fullness, empty bag at 3/4 full.
5. Wipe machine housing with a nonabrasive,
nonsolvent cleaner.
6. Check cords and cord grips for damage. If worn or
damaged, replace immediately. Coil cord neatly.
Tennant 3530/3560/3580 (04–99)
ATTENTION: Always have float shut–off screen in
place before operating. During wet operation, the
shut–off float protects the vacuum motor from
water. During dry vacuuming, the float screen can
provide limited protection for a faulty filter bag.
7. Inspect vacuum hose regularly for holes, loose
cuff or clogged debris.
8. To maintain maximum performance, wash cloth
filter bag by hand with a mild detergent. Let bag
dry thoroughly before replacing.
9. Lubricate axle grease fittings with a water resistant
grease monthly.
10. Lubricate front swivel casters with a silicone spray
monthly.
11. Check machine for loose nuts and bolts.
12. Every 250 hours of operation, check motor for
carbon brush wear, replace brushes if worn to
10 mm (0.38 in) or less.

STORING MACHINE

Before storing the machine perform the following
instructions:
1. Empty and rinse recovery tank and accessory
tools.
2. Empty or replace vacuum bag.
3. Raise or remove squeegee assembly.
4. Store machine in a dry area in the upright position.
ATTENTION: Do not store outdoors and avoid
getting wet. Do not allow machine to freeze.
ATTENTION: If storing machine in freezing
temperatures, be certain to drain machine of all
water. Damage due to freezing is not covered by
warranty.
OPERATION
9