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

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Contents

Maintenance Instructions REPLACING/REPAIRING80Mower Deck Gearboxes(Shown with Gearbox Cover Removed for Clarity)GHS Blower Assembly (and/or Blower Wheel)GHS Blower Assembly Removal1. Remove the mower deck. Refer to Deck Instal-lation in Assembly Instructions and reverse theprocedure to remove the deck.Remove Skid Bar forGHS Blower Removal2. Remove the blower faceplate by removing six(6) 1/4-20 nuts.3. Remove the GHS blower drive belt. Refer toREPLACING/REPAIRING the Drive Belts inthis section for instructions.4. Remove the blower assembly from the chassisas follows:a. Remove the blower skid bar by removingfront and rear mounting bolts from the skidbar (underneath the blower) and removingthe bolt connecting the blower housing tothe skid bar.b. Remove the blower belt tightener idler armassembly by removing the pivot bolt.c. Remove two (2) bolts mounting the blowerhousing to the frame.d. Lower the blower assembly straight downout of the chassis frame and remove.Blower Wheel RemovalWhen required, replace the blower wheel using thefollowing procedure:1. Loosen blower pulley set screws and removethe pulley using a wheel puller.2. Remove the locking collar from the back bear-ing (closest to the pulley) by loosening the setscrew and rotating the collar counterclockwise(use punch to drive).3. Press blower wheel out of the housing using awheel puller hooked to lugs on the bearing hous-ing. The bearings have been secured in thehousing with a retaining compound - Loctite®RC/680, and considerable force will be re-quired to break this bond. After the bearingshave “broken loose” from the housing, only lightpressure should be required to remove thewheel assembly out of the housing.NOTE: It may or may not be possible to removethe front bearing from the blower wheel withoutdamaging it. If the bearing is damaged, it willneed to be replaced along with the wheel.Connector TubesMower DeckGearboxesSkid BarSkid Bar Mounting BoltsBlower Assembly