Weekly Maintenance; Monthly Maintenance; Quarterly Maintenance; Storing Machine - Nobles Marksman 412 Manual Del Operador

WEEKLY MAINTENANCE

(Every 20 Hours of Operation)
1. Inspect vacuum hoses for holes and loose cuffs.
2. Inspect spray pattern for plugging. If plugged,
remove spray tips and soak them in a
recommended liquid neutralizer for up to six hours.
To remove spray tip, twist spray tip body
counter-clockwise. Do not use pointed objects to
unplug tips, damage will occur (Figure 19).
FIG. 19
FOR SAFETY: When using machine, follow mixing
and handling instructions on chemical containers.
3. Inspect cord and cord grip for damage. Replace
immediately if damaged.

MONTHLY MAINTENANCE

(Every 80 Hours of Operation)
1. Flush solution system with a recommended liquid
neutralizer to dissolve normal chemical buildup.
a. Pour 7.5L (2 gal) of hot water 60_ C (140_F )
into solution tank. Add a liquid neutralizer
according to mixing instructions on bottle.
NOTE: Contact your chemical supplier for a
recommended neutralizer liquid.
FOR SAFETY: When using machine, follow mixing
and handling instructions on chemical containers.
b. Position brush over floor drain and operate
machine for one minute.
c. Then connect hand tool solution hose to
machine and also over a floor drain operate
tool for one minute.
d. Shut off machine and allow remaining solution
to break down chemical buildup overnight.
e. Next day, spray out remaining solution and
flush system with 11L (3 gal) of clean water.
2. Lubricate wheels with a water resistant oil.
3. Inspect machine for water leaks and loose
hardware.
Marksmant 412 (01–01)
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QUARTERLY MAINTENANCE

(Every 250 Hours of Operation)
Check vacuum motor for carbon brush wear. Replace
brushes if worn to a length of 10mm (0.38 in) or less.
Contact an Authorized Service Center for motor
maintenance.

STORING MACHINE

1. Before storing machine, be certain to drain and
rinse tanks of all water.
2. Store machine in a dry area in the upright position.
3. Open recovery tank cover to promote air circulation.
ATTENTION: Do not expose to rain. Store
indoors.
ATTENTION: If storing machine in freezing
temperatures, be sure that machine and solution
system are completely drained and dry.

RECOMMENDED STOCK ITEMS

Refer to Parts List section for recommended stock
items. Stock Items are clearly identified with a bullet
preceding the parts description. See example below:
OPERATION
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