6 - FORM NO. 56043103 - Warrior ™ ST, Warrior ™ AXP / BA 755 seriesMAINTENANCE SCHEDULEMaintenance intervals given are for average operating conditions. Machines used in severe operational environments may require service more often.MAINTENANCE ITEM Daily Weekly Monthly YearlyCharge Batteries XCheck/Clean Tanks & Hoses (clean recovery tank switches & vacuum inlet screen) XCheck/Clean/Rotate the Brushes/Pads XCheck/Clean the Squeegee XClean Hopper on Cylindrical System XPurge Extended Scrub System (if installed) XCheck Each Battery Cell(s) Water Level (does not apply to gel cell batteries) XInspect Scrub Housing Skirts XInspect and clean Solution Filter XClean Solution Manifolds on Cylindrical System XPurge Detergent System (AXP/ECO+Solution only) XLubricate the Machine X* Check Carbon Brushes XNote: See the individual machine system sections for maintenance information.* Have Nilfisk-Advance check the vacuum motor carbon motor brushes once a year or after 300 operating hours. The brush and drive motor carbon brushes checkevery 500 hours or once a year.WARNING!Turn the key switch off and disconnect the batteries before servicing the machine.* Check vacuum motor carbon brushes (Qty 2) once a year or after 300 operating hours.* Check brush and wheel drive motor(s) carbon brushes (Qty 4 per motor) once a year or after 500 operating hours.* The original (new) length of each carbon brush is 1” (25.4mm) on all 36 volt machine models brush and wheel drive motors.* All motors: Replace carbon brushes when shorter than 3/8” (9.5mm) to obtain the same motor efficiency as new brushes.IMPORTANT!Motor damage resulting from failure to service the carbon brushes is not covered under warranty. See the Limited WarrantyStatement.BATTERIES AND CHARGERSAttention: See the ELECTRICAL SYSTEM section for battery installation, battery maintenance and charger system requirements.LUBRICATING THE MACHINEOnce a month, apply light machine oil to lubricate the:• General Pivot Points For the Squeegee Linkage (A).• Squeegee mount angle adjustment knob threads (B).• Squeegee Tool end wheels (C).• General Pivot Points For the Brush Linkage (D).• Scrub Deck Bumper Wheels.Once per quarter, Grease the following• Rear Caster Wheel Swivels (E).