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OWNER’S MANUAL
Safety, Assembly, Operating, and Maintenance Instructions
and ILLUSTRATED PARTS MANUAL
Model MW - Walk-Behind (15 HP)
™
Please Read and Save These Instructions Effective Date: 11-01-03
For Safety, Read All Safety and Operation P/N 9001
Instructions Prior to Operating Machine Price $5.00
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Foreword Thank you. . .for purchasing a Walker by Walker (Model MW). Every effort has been made to pro- vide you with the most reliable product on the market, and we are sure you will be among our many satisfied customers. If for any reason this product does not perform to your expectations, please contact an authorized servicing dealer or Walker Manufacturing at (970) 221-5614. Every customer is important to us. Your satisfaction is our goal. Please. . .read this manual thoroughly! This ma
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Table of Contents Operating Instructions_____________ 21 Owner’s Manual CONTROL IDENTIFICATION, General Information ________________ 1 LOCATION, AND FUNCTION _____________ 21 Operating Controls ___________________ 21 HIGHLIGHTED INFORMATION _____________ 1 Engine Throttle/Choke ________________ 21 GLOSSARY ____________________________ 1 Forward Speed Control (FSC) __________ 22 IDENTIFYING NUMBER LOCATIONS________ 1 Pistol Grips/Steering Control Levers_____ 22 ENGINE SERIAL NUMBER LOCATION ____
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Table of Contents CLEANING ____________________________ 36 Maintenance And Service Engine Air Cleaner System _____________ 36 Record Sheet _______________________ 61 Foam Precleaner Element _____________ 36 Paper Precleaner Element ____________ 36 Engine Cooling System________________ 36 Operator’s Notes___________________ 62 Air Intake Screen ____________________ 36 Engine Cooling Fins _________________ 36 Warranty___________________________ 63 Grass Buildup in Mower Housing________ 36 CHECKIN
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General Information HIGHLIGHTED INFORMATION • SIDE DISCHARGE (SD) mows but does not collect the mowed material. Walker Manufacturing recommends that any service requiring special training or tools be performed by • TRACTOR is the prime mover, including the en- an authorized Walker Mower Dealer. There are sev- gine, drive train, and controls to operate the eral general practices to be aware of in the area of mower. safety. Most accidents associated with the oper- IDENTIFYING NUMBER LOCATIONS at
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General Information SERVICING OF DRIVETRAIN GEARBOX The detailed servicing and repair of the engine, hy- drostatic 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 agent of the component manufacturer. Any unauthorized work done on these compo- nents during the warranty period may void
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Specifications MODEL MW ENGINE Manufacturer/Model Kawasaki, FH430V, OHV, 2 Cyl. V-Twin (Air-Cooled) Displacement 431CC (26.3 cu. in.) HP (@ 3600 RPM) 15 Max. RPM (No Load) 4000 Governed RPM 3600 Max. Torque [ft-lb (N⋅m) @ RPM] 23.6 (32 Nm) @ 2400 Idle RPM 1500 ® Spark Plug Type Champion RCJ8Y Spark Plug Gap .030 in. (.75 mm) Crankcase Capacity 1.8 qts (1.7 liters) Crankcase Lubricant API SC/SD/SE/SF/SG/SH Grade Oil Only with 10W-30/10W-40 Viscosity or 40W Above 68° F (20° C) Only Fuel Tank Cap
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Specifications MODEL MW TRANSMISSION (continued) Transmission Fluid Factory Service 20W50 Multi-Viscosity Motor Oil Transmission Fluid Capacity 79 fl. oz. (2336 ml.) Transmission Cooling Cooling Fan Mounted on Drive Pulley Ground Travel Speed Forward m.p.h. (km/h) 0-5 (0-8) Infinitely Variable Reverse m.p.h. (km/h) 0-2 (0-3) Infinitely Variable BLADE DRIVE PTO Shaft Quick Disconnect Splined Shaft with Two (2) High-Speed U-Joints Blade Spindle Each Blade (2) Mounts Direct on Peerless Right Angle
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Specifications MODEL MW MOWER DECK Width of Cut 36-, 42-, 48-, 52-, or 56-in.(91, 107, 122, 132, or 142 cm) Cutting Height 1 to 4 in. (3 to 10 cm) Height Adjustment 7 Positions - 1/2 in. (1 cm) Increment Hitch Pins Installed in Multi-Position Deck Support Blade Size 42 in. (107 cm) 22 in. (56 cm) 2 in. (5 cm) Center Overlap (Two Blades, CW Rotation) 48 in. (122 cm) 48 in. (122 cm) 25 in. (64 cm) 2 in. (5 cm) Center Overlap (Two Blades, CW Rotation) Deck Suspension Torsion-Flex Frame with Caster
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Component Identification NOTE: Control Identification shown in Operating Instructions section. Throttle/Choke Control & Cable Engine Engine Cover Latch Cover Tilt-Up Latch Spring Clip Fuel Tank and Cap Counterweight Spring and Protective Cover Deck Support Pins and Height Adjustment Parking Hitch Pins Brake Handle Footrests Tilt-Up Handle Fuel Filter Tail Wheel Deck Caster Wheels Right Hand Deck Support Drive Wheel Arms Tilt-Up Hook Discharge Shield Deck Lift Handle (Cutting Height Adjustment)
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Component Identification Operator Presence Switch Control PTO Clutch Lever Tailpipe Pistol Muffler Grips Steering Control Rod (RH) Steering Control Rod (LH) Transaxle (LH) Transmission Left Hand Neutral Lockout Drive Wheel Rods Rear View and Left Side View 7
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Component Identification Fuel Pickup Line FSC Electric Actuator Oil Dipstick/ Oil Fill Recoil Starter Handle Oil Filter Fuel Pump Parking Transaxle Brake Linkage Pressure Relief Valve [(LH) Not Visible] Transaxle Pressure Relief Valve (RH) Counterweight Battery Counterweight Dampening Spring Dampening Spring Top View (Cover Removed) 8
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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 7. Do not wear loose fitting clothing that could get 13. The electrical system battery contains sulfuric caught in moving parts. Always wear ade- acid. Avoid any contact with skin, eyes, and quate protective clothing including long clothing. Keep the battery and acid out of reach pants. Wearing safety glasses and safety of children. shoes is advisable and required by some local OPERATING ordinances and insurance regulations. 1. Operate the mower only in daylight or in 8.
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Safety Instructions 10. Disengage the blade drive when transporting the mower and repair any damage before re- the machine across drives, sidewalks, etc. starting the engine and operating the mower. Never raise the mower deck while blades are Make sure cutter blades are in good condition rotating. and blade nuts are torqued to 60 ft-lb (81.3 N⋅m). 11. The maximum recommended side slope op- erating angle is 20 degrees or 33% grade. 17. Do not touch the engine, engine cover, or When operating the
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Safety Instructions 9. Do not change the engine governor settings or overspeed the engine. The governor has been factory-set for maximum-safe engine operating speed. 10. Use genuine factory replacement parts. Substitute parts may result in product malfunc- tion and possible injury to the operator and/or others. 11. Use care when charging the battery or per- forming maintenance on the battery and electri- cal system: a. Make sure the battery charger is unplugged before connecting or disconnectin
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Safety Instructions SAFETY, CONTROL, AND INSTRUCTION DECALS Safety, Control, and Instruction Decals are installed on the machine; if any are missing, illegible, or damaged, a replacement should be ordered and installed before putting the machine into operation. The Decal Part Number is listed below and in the Parts List. Control Panel (Walker P/N 9801) On Body Adjacent On Body Adjacent to Clutch Control Lever to Parking Brake Lever (P/N 9803) (P/N 9802) On Rear of Body Above Neutral Lockout Ar
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Assembly Instructions SETUP INSTRUCTIONS Battery Charging Walker Mowers are shipped partially assembled. DANGER After uncrating the tractor and mower deck, initial setup is required. BATTERIES PRODUCE EXPLOSIVE GASES NOTE: During the process of unpacking, any dam- aged or missing parts should be noted and reported • Charge the battery in a well-ventilated to the delivering carrier immediately (put in writing area, so that gases produced while charg- within 15 days). The carrier will provide dir
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Assembly Instructions Mower Deck Assembly Deck Discharge Shield Installation (Side Discharge Models Only) Deck Caster Wheels Installation Attach the deck side discharge shield by positioning 1. Remove the bolt, nut, axle spacer tube, and the shield hinge lug in front of the deck mount and spacer washers from each deck caster wheel fastening with two 3/8-16 x 1-1/4 in. bolts, 3/8-16 fork. ESNA nuts, and 3/8 in. wave spring washers. The wave washers fit between the two hinging surfaces. NOTE: Spa
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Assembly Instructions PTO Shaft Guard Installation Mower Deck Installation on Tractor Position the shaft guard as shown and mount with Deck Installation two 1/4-20 x 1/2 in. bolts. 1. Lightly grease each deck support arm (2) on the tractor. Refer to Mower Deck Installation photo for location of deck support arm. Attach Guard 2. Engage the deck carrier frame tube sockets on the tractor support arms. Slide the deck onto the support arms. NOTE: When installing the DSD52 Mower deck, make sure to
