Page 4-5: Machine Maintenance
Boxxer 421
WEEKLY
• Wipe down entire unit as needed.
• Apply good coat of auto wax to all painted surfaces inside and out, and
to control panel.
• Thoroughly clean recovery tank using high pressure hot water
(unit with optional high pressure cleaning gun may be used for this).
• Remove stainless steel filter in recovery tank and thoroughly clean, removing
all lint build-up. Inspect for damage and reinstall.
• Remove filter bag. Thoroughly clean and reinstall. If the bag is torn,
replace it.
• Empty chemical from chemical container. Wash out thoroughly to remove
any chemical build-up.
• Inspect chemical feed line strainer and use 50% white vinegar/water solution
to remove any chemical build-up.
• Thoroughly clean wand and inspect for clogged jet, debris in vacuum slot and
leaking fittings at valve.
• Apply light coat of auto wax to wand.
• Thoroughly clean vacuum and high pressure hoses including hose cuffs.
• Inspect for wear or damage to hoses and quick connect fittings.
• Inspect garden hose connect/adapter screen for debris. Remove and
clean thoroughly.
• Inspect all lines for wear or abrasions that may cause possible leaks.
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