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OWNER’S MANUAL
Safety, Assembly, Operating, and Maintenance Instructions
Model MT (20.0 HP)
Model MTL (25.0 HP)
Model MTEFI (26.0 HP)
(Covers 2004 Production)
™
Please Read and Save These Instructions Effective Date: 01-01-04
For Safety, Read All Safety and Operation P/N 8000-9
Instructions Prior to Operating Machine Price $5.00
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Foreword Thank you. . .for purchasing a Walker mower. Every effort has been made to provide you with the most reliable mower on the market, and we are sure you will be among our many satisfied custom- ers. If for any reason this product does not perform to your expectations, please contact us at (970) 221-5614. Every customer is important to us. Your satisfaction is our goal. Please. . .read this manual thoroughly! This manual is to be used in conjunction with the engine manufacturer’s manu
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Table of Contents General Information ________________ 4 Operating Instructions_____________ 31 CONTROL IDENTIFICATION, HIGHLIGHTED INFORMATION _____________ 4 LOCATION, AND FUNCTION _____________ 31 GLOSSARY ____________________________ 4 Operating Controls ___________________ 31 IDENTIFYING NUMBER LOCATIONS________ 4 Engine Choke - (Model MT and MTL only) 31 ENGINE SERIAL NUMBER LOCATION ______ 5 Engine Throttle _____________________ 32 SERVICING OF ENGINE AND Forward Speed Control (FSC) _____
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Table of Contents Mower Deck Gearbox Oil Seals _________ 71 Maintenance Instructions __________ 52 Spark Plugs _________________________ 71 MAINTENANCE SCHEDULE CHART _______ 52 Ignition Wires________________________ 71 IMPORTANT TIPS FOR CARE Fuel Lines and Clamps ________________ 71 OF THE KOHLER ENGINE _______________ 53 Radiator Hoses and Clamps - MTL ______ 71 Fuel System _________________________ 53 Engine Starter _______________________ 71 Starting/Stopping_____________________ 53 Blade B
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Table of Contents ELECTRICAL SYSTEM __________________ 92 Circuit Breakers ______________________ 92 Wiring Diagram - Model MT_____________ 93 Wiring Diagram - Model MTEFI __________ 94 Wiring Diagram - Model MTL____________ 96 Warranty ___________________________ 97 3
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General Information HIGHLIGHTED INFORMATION • LEFT HAND (LH) refers to the left-hand side of the tractor when the operator is seated facing Walker Manufacturing recommends that any ser- forward in the tractor seat. vice requiring special training or tools be performed by an authorized Walker Mower Dealer. There are • POWER TAKE-OFF (PTO) transmits engine several general practices to be aware of in the area power to run the cutter blades and GHS blower. of safety. Most accidents associated wi
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General Information Serial Number Serial Number Tractor Serial Number Location Engine Serial Number Location (MTL) SERVICING OF ENGINE AND DRIVETRAIN COMPONENTS The detailed servicing and repair of the engine, Serial Number hydrostatic transmission, and gearboxes are not cov- ered in this manual. Only routine maintenance and general service instructions are provided. For the service of these components during the limited war- ranty period, it is important to find a local, authorized servicing
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Specifications AIR COOLED LIQUID COOLED MODEL MT (20.0 HP) MTL (25.0 HP) MTEFI (26.0 HP) ENGINE TM Manufacturer/Model Kohler Command CH20, Kohler Aegis LH685, 2 Cyl., 2 Cyl., Gasoline (Air Cooled) Gasoline (Liquid Cooled) Kohler Command Pro CH26, 2 Cyl., Gasoline (Air Cooled), Electronic Fuel Injection (EFI) Displacement CH20 38.1 cu. in. (624 cc) Displacement CH26 44.0 cu. in. (725 cc) Displacement LH685 41.1 cu. in. (674 cc) HP (@ 3600 RPM) CH20 20.0 HP (@ 3600 RPM) CH26 26.0 HP (@ 3600 R
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Specifications AIR COOLED LIQUID COOLED MODEL MT (20.0 HP) MTL (25.0 HP) MTEFI (26.0 HP) ELECTRICAL SYSTEM Battery 12 Volt, 35AH, 295 CCA 12 Volt, 35AH, 295 CCA Charging System Flywheel Alternator Flywheel Alternator Charging Output 15 Amp DC (Regulated) 25 Amp DC (Regulated) System Polarity Negative Ground Negative Ground Ignition Electronic Capacitive Electronic Capacitive Discharge Discharge Starter 12 Volt Electric Ring-Gear 12 Volt Electric Ring-Gear Type, Solenoid Shift Type, Solenoid Sh
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Specifications AIR COOLED LIQUID COOLED MODEL MT (20.0 HP) MTL (25.0 HP) MTEFI (26.0 HP) BLADE DRIVE PTO Shaft Quick Disconnect Splined Quick Disconnect Splined Shaft with Two High-Speed Shaft with Two High-Speed U-Joints U-Joints Blade Spindle Each Blade (2) Mounts Direct Each Blade (2) Mounts Direct on Peerless Right Angle on Peerless Right Angle Gearbox with Tee Gearbox Gearbox with Tee Gearbox in Center Connected to PTO in Center Connected to PTO Shaft (Complete Geared Shaft (Complete Geared
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Specifications AIR COOLED LIQUID COOLED MODEL MT (20.0 HP) MTL (25.0 HP) MTEFI (26.0 HP) MOWER DECK (continued) Blade Size (Typical) 42 in. (107 cm) SD 22 in. (56 cm) 22 in. (56 cm) 2 in. (5 cm) Center Overlap 2 in. (5 cm) Center Overlap (Two Blades, CW Rotation) (Two Blades, CW Rotation) 48 in. (122 cm) GHS 25 in. (64 cm) 25 in. (64 cm) 2 in. (5 cm) Center Overlap 2 in. (5 cm) Center Overlap (Two Blades, Counter Rotate) (Two Blades, Counter Rotate) Deck Suspension Torsion-Flex Frame with Torsi
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Specifications AIR COOLED LIQUID COOLED MODEL MT (20.0 HP) MTL (25.0 HP) MTEFI (26.0 HP) GHS SYSTEM (Optional) (continued) ® Full Signal (Grass-Pak Switch) Oscillating Vane Switch Oscillating Vane Switch Mounted on Grass Delivery Mounted on Grass Delivery Spout Triggers Horn Signal Spout Triggers Horn Signal ® Powerfil Oscillating Delivery Spout Oscillating Delivery Spout Driven by 12 Volt Electric Driven by 12 Volt Electric Gearmotor Spreads Material Gearmotor Spreads Material throughout Inter
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Component Identification NOTE: Control Identification shown in Operating Instructions section. Catcher Door Turbine Safety Latch Precleaner Grass Handling System 9.5 Bushel Catcher (Optional) 7.0 Bushel Catcher Standard (Not Shown) Tilt-Up Latch Spring Clip Transmission Control Rod Adjustment Nut (LH) Anti-Scuff Roller Deck Support Pins Catcher Lift / and Height Adjustment Dump Handle Hitch Pins Fuel Tank and Cap Counterweight Spring and Protective Cover Transmission Control Rod Adjustment Nu
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Component Identification Removable Grass Catcher Door Catcher Screen Gas Spring (Not Visible) Catcher Exhaust Deflector Gas Spring Cover Catcher Lift / Dump Handle Instrument Panel Guard Catcher Door Instrument Panel Box (Shock Mounted) Dump Plate Catcher Door Handle Tailpipe Muffler Oil Anti-Scuff Filter Fuel Left Hand Roller Filter Oil Drain Drive Wheel Plug Tailwheel Fork and Wheels Rear View and Left Side View 12
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Component Identification Model MT Air Intake Air Cleaner Plenum Fuel Filter Donaldson Air Cleaner Cover Fuel Pump Muffler Grass Shield Air Restriction Indicator Throttle and Fuel Pickup Choke Linkage Line Air Intake Hose Muffler Heat Shield Fuel Tank Oil Dipstick/Oil Fill Rubber Bumper (Catcher Support) Precleaner Muffler Tube Jackshaft 20 Amp Fuse PTO Gearbox (Starter Solenoid) Dipstick Turbine GHS Blower Precleaner RH Transmission Lockout Lever RH Hydrostatic Transmission 30 Amp Circuit Break
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Component Identification Model MTL Fuel Air Cleaner Overflow Overflow Muffler Filter Cover Tank Hose Muffler Shield Tailpipe Donaldson Air Cleaner Radiator Hose Low Idle Throttle and Choke Adjustment Screw Linkage Air Restriction Indicator Fuel Pickup Line Radiator Cap Air Intake Hose Fuel Tank Oil Dipstick/ Oil Fill Precleaner Tube Radiator Radiator Guard Air Intake Water Plenum Pump Top View (Engine Compartment) Model MTL 14
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Component Identification Model MTEFI Air Cleaner Cover Fuel Pump Fuel Line to Engine Donaldson Air Cleaner (High Pressure) Cylinder Head Temperature Switch Mu Muf ff fler ler G Gr ras ass s Air Restriction Indicator Sh Shie ield ld Throttle Linkage Fuel Pickup Line Fuel Return Line Air Intake Hose Oil Dipstick/Oil Fill Muffler Rubber Bumper Fuel Tank (Catcher Support) Precleaner Tube Ignition Air Intake Coil Plenum Top View (Engine Compartment) Model MTEFI 15
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Safety Instructions Pay particular attention to any information labeled Walker Manufacturing cannot predict every poten- DANGER, WARNING, CAUTION, IMPORTANT, tially dangerous situation. Therefore, items labeled and NOTE in this manual. as such in this manual do not cover all conceivable situations. Any person using procedures, tools, or When you see the Safety Alert Symbol ( ), control techniques not recommended by Walker read, understand, and follow the instructions. Fail- Manufacturi
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Safety Instructions 6. Do not wear loose fitting clothing that could get 12. The electrical system battery contains sulfuric caught in moving parts. Do not operate this acid. Avoid any contact with skin, eyes, and machine while wearing shorts; always wear clothing. Keep the battery and acid out of reach adequate protective clothing, including long of children. pants. Wearing safety glasses, safety shoes, OPERATING and a helmet is advisable and required by some local ordinances and insurance
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Safety Instructions 9. Watch for holes, rocks, and roots in the terrain 17. For GHS equipped models, use care when and for other hidden hazards. When mowing tall closing the grass catcher door. Keep fingers grass, mow higher than desired to expose any and hands away from the hinge and pinch hidden obstacles. Then, clean the area and points when the door is being closed. Also, mow to the desired height. keep fingers and hands clear of the door frame. The door is held closed with springs and t
