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DAILY MAINTENANCE:
1. Clean machine with a nonabrasive, nonsolvent
cleaner.
2. Rinse tanks out thoroughly.
3. Remove any lint buildup from shutoff float screen
(Figure 9.).
FIG. 9.
4. Remove and rinse recovery tank screen.
5. Check power cord for damage – replace if
necessary. Coil cord neatly after each use.
6. Remove any lodged debris from floor tool (Use a
coat hanger).
7. Check spray pattern for clogged spray tips.
WEEKLY MAINTENANCE:
1. Remove and soak spray tips in a tannin solution.
NOTE: Do not use pins, paper clips, etc. to unplug
spray tips. This will damage spray tips.
2. Flush pump system: Use acetic acid solution to
dissolve normal alkaline chemical buildup. Follow
these steps:
FOR SAFETY: When using machine, follow
mixing and handling instructions on chemical
containers.
a. Mix 473 ml. (16 oz) of acetic acid solution in
clean water bladder with7.5 L (2 gal) of hot
water, 60°C (140°F) maximum.
b. Place a bucket under spray jets to catch
spray.
c. Turn on "PUMP" switch.
d. Squeeze trigger on tool for 30 seconds.
e. Allow solution to remain in system for up to 6
hours in above freezing temperatures.
f.
Later, spray out acetic acid solution into a
drain. Then run 11 L (3 gal) of clean water
through system to flush out impurities.
3. Inspect vacuum hose for holes and loose cuffs.
PX-1500LP (11–99)
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MONTHLY MAINTENANCE
1. Inspect cord grip for damage. Replace if
damaged. Neatly coil cord after each use.
2. Inspect tank for cracks.
3. Lubricate casters with a water resistance grease.
EVERY 250 HOURS OF OPERATION
Check vacuum motor for carbon brush wear.
Replace brushes when worn to a length of 10 mm
(0.38 in) or less.
STORING MACHINE
Store extractor with clear lids off to promote air
circulation.
ATTENTION: Do not expose to rain. Store
indoors.
ATTENTION: DO NOT ALLOW MACHINE TO
FREEZE WITH WATER IN PUMP SYSTEM. This can
crack internal parts and cause damage, which is not
covered by warranty. To avoid damage, run pump dry
before exposing the machine to freezing temperatures.
STORING MACHINE IN FREEZING
TEMPERATURES:
1. Drain tanks thoroughly.
2. Pour 1 L (32 oz) undiluted antifreeze into water
bladder.
3. Place a bucket under spray jets to catch spray.
4. Turn on "PUMP" switch.
5. Squeeze trigger on tool for 30 seconds.
6. Allow antifreeze to remain in system.
OPERATION
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