Walker MS Operator's Manual

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Walker MS Operator's Manual Manual pdf 59 page image

Maintenance Instructions CLEANING55GHS BlowerNormally, the GHS blower operates with no mainte-nance or cleaning. However, when mowing grassthat is dirty and damp (especially springtime mow-ing), a deposit of dirt may accumulate inside theblower housing, causing wear and binding of theblower wheel. When operating in these conditions,inspect the blower frequently for dirt buildup.NOTE: A visual clue of binding of the blower wheelis the blower blade tips are polished from rubbingon dirt.When a dirt deposit is found, use a high pressurewasher or water spray to clean the inside of thehousing as follows:DANGERBefore attempting to wash the blower, stopthe engine, remove the ignition key, anddisconnect the spark plug wire.1. Remove the PTO drive belt from the GHS blow-er pulley as follows: Move the blade clutch (indirection of engagement) far enough to relaxthe belt scrubber brake without tightening thePTO drive belt. Roll the belt off of the blowerpulley, then move blade clutch to full “engage-ment” position. Both the drive belt and scrubberbrake bar should be clear of blower pulley, al-lowing free movement of the blower wheel.IMPORTANT: With the belt removed, the blow-er wheel must spin freely. Any binding or drag-ging of the wheel is an indication of dirt build-up. This buildup must be cleaned to avoidabrasive wear of the blower blades, excessivepower loss and eventual loss of blower perfor-mance (clogging).2. Use a pressure washer or water spray, and di-rect the spray inside the blower housing againstthe blower blades. Water pressure will causethe blower wheel to begin to spin and the com-bination of spinning action and water will effec-tively wash the inside of the housing. Spraymay be directed against the blower blades ver-tically and horizontally to cause rotation in bothdirections for thorough washing action. Washblower until the blower wheel spins freely inboth directions.Blade ClutchLeverCompoundPulleyPTODrive BeltBelt TightenerIdler PulleyPTO Drive PulleyBelt Scrubber Brake(Relax to Remove PTO Drive Belt)GHSBlowerPulleyPTO Drive Belt Removalfor Cleaning GHS Blower3. Reinstall the PTO drive belt by reversing theremoval procedure.GHS Exhaust ScreenRefer to Cleaning the GHS Exhaust Screen in Operating Instructions.