Walker MS Operator's Manual

Also see for MS: Detailed instructions Owner's manual Illustrated parts manual Owner's manual

68Maintenance Instructions ADJUSTMENTS1. Position the discharge chute so that it is pointingstraight 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 DISENGAGEDposition and turn the ignition switch to theOFF position.WARNINGDO NOT test the Grass-Pak ® switch withthe engine running. Projectiles CAN bethrown out of the grass delivery spoutand CAN cause serious injury to bystand-ers or property damage.2. Measure from the exhaust screen (top of catch-er) to the top of the Grass-Pak ® switch actuatorvane, refer to Adjusting the Grass-Pak®Switch illustration. The proper measurementshould be between 4 and 4-1/2 in. (10.16 and11.43 cm).4 to 4-1/2 in.(10.16 to 11.43 cm)BendPointExhaustScreenAdjusting the Grass-Pak ® Switch(Side View of Catcher Box)3. If adjustment is required, hold the Grass-Pak ®switch mount bracket firmly, grasp the switchand bracket and bend it down. Adjustmentsshould be done in very small increments check-ing the measurement each time until the recom-mended measurement is achieved. This mea-surement is applicable to all catcher box sizes.NOTE: It will not be possible to adjust the switch togive a signal at the precise instant the catcher is fullfor a wide variety of mowing conditions. For exam-ple, wet heavy grass will fill the catcher differentlythan dry fluffy grass, causing the signal to come ona little sooner or later than usual. Primarily, theswitch should be adjusted to give the “full” signalwith a little advance warning before overfillingand clogging of the grass delivery chute begins (re-gardless of mowing conditions).