Walker MDD (20.9 HP) User Manual
Owner’s manual
Table of contents
Document Outline
- WALKER MANUFACTURING OWNER'S MANUAL
- Foreword
- Table of Contents
- General Information
- Specifications
- Component Identification
- Safety Instructions
- Assembly Instructions
- SETUP INSTRUCTIONS
- Tire Installation (Tractor)
- Battery Service
- Wet Battery Service
- Dry Battery Service
- Battery Charging
- Battery Installation
- Battery Installation
- Mower Deck Assembly
- Deck Caster Wheels Installation
- Deck Caster Wheels Installation
- Deck Discharge Chute Installation (GHS Rear Discharge Models Only)
- Discharge Chute and PTO Shaft Guard Installation on Rear Discharge Deck
- Deck Discharge Shield Installation (Side Discharge Models Only)
- Discharge Shield Installation on Side Discharge Deck
- PTO Shaft Guard Installation
- Tilt-Up Roller Wheel Installation
- Tilt-Up Spring and Roller Wheel Installation on Rear Discharge Deck
- Mower Deck lnstallation on Tractor
- Deck Installation
- Installing PTO Quick Coupler
- Coupler Ring “Locked” Position
- Mower Deck Installation (PTO Shaft Connection)
- Deck Counterweight Spring Installation
- Deck Leveling
- Deck Leveling
- PREOPERATING CHECKLIST
- Deck Secured in TILT-UP Position
- Operating Instructions
- CONTROL IDENTIFICATION, LOCATION, AND FUNCTION
- Operating Controls
- Engine Throttle
- Throttle Location
- Operating Controls
- Forward Speed Control (FSC)
- Steering Levers
- Blade Clutch (PTO)
- Parking Brake
- Front Body Latch Release
- Front Body Latch Release
- Transmission Lockout Levers
- Lockout Lever Location
- Cold Start Lever (Jackshaft Drive Belt Release)
- Cold Start Lever - Normal Operating Position
- Cold Start Lever - Cold Start Position
- Operating Controls (Top View from Drivers Point of View)
- Instrument Panel
- Voltmeter
- Water Temperature Gauge
- Oil Pressure Warning Light
- Water Temperature Warning Light
- Ignition Switch
- Ignition Switch
- Light Switch (For Optional Lights)
- Hourmeter
- Circuit Breakers
- Warning Horn
- STARTING THE ENGINE
- Jackshaft Drive Belt Release
- ADJUSTING GROUND SPEED AND STEERING
- Correct Operator Hand Position on the Controls
- ENGAGING THE MOWER
- Blade Clutch Engaged
- Blade Clutch Disengaged
- STOPPING THE MACHINE
- ADJUSTING CUTTING HEIGHT
- Cutting Height Adjustment
- TRANSMISSION LOCKOUT
- Lockout Lever - Freewheel Position
- Lockout Lever - Normal Operating Position
- RECOMMENDATIONS FOR MOWING
- Side Discharge Shield in Lowest Position
- Maximum Recommended Side Slope
- RECOMMENDATIONS FOR TILT-UP DECK OPERATION/TRANSPORT
- GHS Flow and Components
- General Information
- Blower Intake Cover
- Clogging Checklist
- Blade Rotation for GHS Mower Deck (view from underneath)
- Using the Tilt-Up Deck
- Using the GHS Catcher
- Powerfil
- “Full” Signal Horn
- Cleaning the GHS Exhaust Screen
- Grass Catcher Screen Removal for Cleaning
- Dumping the Catcher
- Tailgate Dumping
- Catcher Door Safety Latch
- Using the Dump Bag
- Positioning Dump Bag on Catcher
- Dumping Catcher into Dump Bag
- Power Dump Option
- Power Dump Components
- Maintenance Instructions
- MAINTENANCE SCHEDULE CHART
- IMPORTANT TIPS FOR CARE OF THE KUBOTA ENGINE
- Fuel System
- Starting/Stopping
- Cooling System
- Air Cleaner System
- Oil
- LUBRICATION
- Engine Oil
- Engine Break-In Oil
- Checking Engine Crankcase Oil Level
- Dipstick Operating Range
- Changing Engine Crankcase Oil/Oil Filter
- Oil Drain Location (view from left side of tractor)
- Oil Filter Location
- Grease Fitting and Oil Point Lubrication
- Chassis and Deck Lubrication Points
- Chassis and Deck Lubrication Points
- Mower Deck Gearbox Lubrication
- Mower Deck Gearboxes (shown with gearbox cover removed for clarity)
- DSD52 or DSD62 Mower Deck Lubrication
- Blade Spindle Lubrication
- Gearbox, Dolly Wheel, and U-Joint Lubrication
- Tractor PTO Gearbox Lubrication
- Checking Gearbox Oil Level
- Dipstick Location, Tractor PTO Gearbox
- Changing Gearbox Oil
- Gear Axle Lubrication
- Hydrostatic Transmission Fluid
- Checking Hydrostatic Transmission Fluid Level
- Transmission Reservoir and Air Bleed Plug Location
- Changing Hydrostatic Transmission Fluid
- CLEANING
- Engine Air Cleaner System
- Engine Air Cleaner System Components
- Turbine Precleaner
- Donaldson Radialseal™ Air Cleaner
- Air Cleaner Components (shown with cover being removed)
- Air Restriction Gauge Location
- Air Filter Element Replacement
- Proper Orientation of Air Cleaner Cover
- Engine Cooling System
- Radiator Screen and Cooling Fins
- Flushing Radiator and Changing Coolant
- Grass Buildup in Mower Housing
- Deck Secured in TILT-UP Position
- GHS Blower
- Collapse Blower Belt Tightener to Remove GHS Blower Drive Belt
- GHS Exhaust Screen
- Hydrostatic Transmission Cooling Fins
- Hydrostatic Transmission Cooling Fins
- CHECKING/SERVICING
- Engine Cooling System
- Coolant Level
- Fan Belt Tension
- Fan Belt Tension
- Security of Air Filtration Components
- Battery
- Electrolyte Level
- Cleaning the Terminals
- Charging the Battery
- Tire Pressure
- Sharpen Mower Blades
- Mower Blade Profile For Sharpening
- Blade Balanced on Magnetic Wall-Mounted Balancer
- Drive Belts
- Mower Deck Gearbox Oil Seals
- Fuel Lines and Clamps
- Radiator Hoses and Clamps
- Engine Valve Clearance
- Fuel Injection Nozzle Pressure
- Fuel Valve Solenoid
- Fuel Valve Closed (Engine OFF Position)
- Fuel Valve Open (Engine START and RUN Position)
- Blade Brake Action
- REPLACING/REPAIRING
- Drive Belts
- Belt Locations
- Engine PTO Drive Belt (3 Groove Power Band)
- Engine PTO Drive Belt Removal
- Jackshaft Drive Belt
- Jackshaft Drive Belt (Disengaged)
- Jackshaft Drive Belt (Engaged)
- GHS Blower Drive Belt
- GHS Blower Drive Belt Assembly (Disengaged) Blower Drive Belt Spring Removal
- GHS Blower Drive Belt Assembly (Engaged)
- Hydrostatic Ground Drive Belt
- Hydrostatic Ground Drive Belt Assembly (Disengaged)
- Hydrostatic Ground Drive Belt Assembly (Engaged)
- Engine Fan Belt
- Engine Fan Belt (Loose)
- Engine Fan Belt (Tight)
- Fuel Filter
- Fuel Filter Location
- Blade Overload Shear Bolts
- Cutting Blade Shear Bolts
- PTO Shear Pin
- PTO Shear Pin
- Mower Blades
- Mower Deck Gearbox Replacement
- Mower Deck Gearboxes (Shown with Gearbox Cover Removed for Clarity)
- GHS Blower Assembly (and/or Blower Wheel)
- GHS Blower Assembly Removal
- Remove Skid Bar for GHS Blower Removal
- Blower Wheel Removal
- Pressing Blower Wheel Out of Housing
- Blower Wheel Installation
- GHS Blower Assembly Installation
- Replacing Fuel Valve Solenoid
- GHS Blower Components
- ADJUSTMENTS
- Safety Switches
- Tail Wheel Bearing Preload
- Steering Levers
- Steering Lever Adjustment
- Blade Clutch (PTO)
- Clutch Disengagement/Brake Action
- PTO Clutch Disengagement Adjustment
- Clutch Engagement/Belt Tension
- Clutch Linkage Adjustment - Disengaged
- Clutch Linkage Adjustment - Engaged
- Transmission Control
- Set Forward Travel Limit (Stop) - Step 1
- Forward Speed Control Stop and Steering Lever Adjustment
- Steering Lever End Play Adjustment - Step 2
- Neutral Function Adjustment - Step 3
- Neutral Function Adjustment
- Straight Ground Travel Adjustment - Step 4
- Straight Ground Travel Adjustment
- Forward Speed Control Friction Lock
- Forward Speed Control Friction Lock
- Tilt-Up Deck Adjustable Stop
- Tilt-Up Deck Adjustable Stop
- Fuel Valve Solenoid Linkage
- Fuel Valve Solenoid Linkage Adjustment (shown with air intake hose removed for clarity)
- GHS “Full” Signal Horn with Grass-Pak Switch
- Troubleshooting (When Horn Fails to Operate)
- Checking the Grass-Pak Switch
- ELECTRICAL SYSTEM
- Circuit Breakers
- Wiring Diagram - Model MDD
- MAINTENANCE AND SERVICE RECORD SHEET
- LIMITED WARRANTY
- Sound - Model MDD
- Vibration - Model MDD