Walker MT, MTL, MTEFI, MTLEFI Owner's Manual

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Contents

Maintenance Instructions ADJUSTMENTS91GHS “Full” Signal Horn with Grass-Pak ® SwitchIf the GHS “full” signal horn is not sounding when thecatcher is full, the following troubleshooting and ad-justment instructions apply:1. Check the horn.a. Disconnect the two wires from the Grass-Pak ® switch electric connector plug andmake a jumper wire connection betweenthese wires (bypassing switch).b. Turn the ignition switch ON and move theblade clutch to the ENGAGED position(engine not running) to make the hornsound.c. If the horn does not sound, the horn is badand needs to be replaced.d. If the horn does sound, proceed to step 2.2. Check the Grass-Pak ® switch.a. Reconnect the wires to the Grass-Pak ®switch electric connector plug.b. Turn the ignition switch ON and move theblade clutch to the ENGAGED position(engine not running).c. Open the catcher back door and trigger theGrass-Pak® vane by hand as it oscillates.d. The horn should sound as the switch ismoved in both directions. If the horn doesnot sound, the switch is bad and needs tobe replaced.Checking the Grass-Pak ® SwitchAdjustment (When Horn Sounds at Wrong Time)The vertical position of the Grass-Pak® switch is crit-ical to make sure the catcher box does not overfillcausing the delivery chute to clog. The vertical po-sition can be adjusted by bending the mountingbracket for the Grass-Pak ® switch.1. Position the discharge chute so that it is point-ing straight back.a. Turn the ignition switch ON and move theblade clutch to the ENGAGED position(engine not running).b. Open the catcher back door and monitorthe spout position (as it oscillates) andmove the blade clutch to the DISEN-GAGED position and turn the ignitionswitch to the OFF position.2. Measure from the exhaust screen (top of catch-er) to the top of the Grass-Pak® switch actuatorvane, as shown. The proper measurementshould be between 4 and 4-1/2 inches (10.16and 11.43 cm).DANGERPINCH POINT - SPRING LOADED DOORWhen lowering the door on the GHScatcher, depress the safety latch on theside of the catcher. BE VERY CAREFUL tokeep hands, fingers, etc. out of the hing-ing mechanism and away from the doorframe as the door closes. The springs thathold the door closed during operation arevery powerful, and the door can slam shutwith considerable force.WARNINGDO NOT test the Grass-Pak® switch withthe engine running. Projectiles CAN bethrown out of the grass delivery spout andCAN cause serious injury to bystanders orproperty damage.WARNINGDO NOT test the Grass-Pak® switch withthe engine running. Projectiles CAN bethrown out of the grass delivery spout andCAN cause serious injury to bystanders orproperty damage.Grass-Pak ®Vane Switch