Walker MC (20 HP) manual

OWNER’S MANUAL Safety , Assembly , Operating, and Maintenance Instructions Model MC (20 HP) Please Read and Save These Instructions Effective Date: 03-01-07 For Safety , Read All Safety and Operation P/N 6000-13 Instructions Prior to Operating Machine ™[...]

For eword Thank you. . . for purcha sing a W alker mower . Eve ry ef for t has been made to provid e you with the most reliable mower on th e market, and we are sure you will be among our many satisfied custom- ers. If for any reason this product doe s not perform to your expectations, please contact us at (970) 221-5614. Every custome r is import [...]

T able of Contents General Information ____________ ____ 1 HIGHLIGHTED INFORMATION ___________ __ 1 GLOSSARY _____________ ___________ ____ 1 IDENTIFYING NUMBER LOCATIONS ________ 1 ENGINE SERIAL NUMBER LOCATION ______ 2 SERVICING OF ENGINE AND DRIVETRAIN COMPONENTS ____________ __ 2 Specifications ____________ __________ __ 3 ENGINE ______________[...]

T able of Contents Maintenance Instructions __________ 41 MAINTENANCE SCHEDULE C HART _______ 41 IMPORTANT TIPS FOR CARE OF THE KOHLER ENGINE _______________ 42 Fuel System _________________ ________ 42 Starting/S topping ____________________ _ 42 Cooling System ______________________ 42 Air Cleaner System ___________ ________ 42 Oil ______________[...]

General Information 1 HIGHLIGHTED INFORMA TION W alker Manufacturing recommends that any service requiring special training or to ols be performed by an authorized W alker Mower Dealer . There are sev- eral general practice s to be aware of in the area of safety . Most accidents associated with the opera- tion or maintenance of a W alker Mower ar e[...]

General Information 2 T ractor Serial Number Location Mower Deck Serial Number Location ENGINE SERIAL NUMBER LOCA TION Refer to the e ngine manu al that accompanies this manual for the location of the engine se ria l nu mber . For the mower mode l covered by this manual, a n engine manual is available from Kohler covering the Kohler Command CH20 ga[...]

Specifications 3 MODEL MC ENGINE Manufacturer/Model Kohler Command CH20, 2 Cyl., Gasoline (Air-Coo led) Displacement 38.1 cu. in. (624 cc) HP (@ 3600 RPM) 20.0 Max. RPM (No Load) 3750 Governed RPM 3600 Max. T orque [ft-lb (N · m) @ RPM] 32 (43) @ 2500 Idle RPM 1200 ± 75 S park Plug T yp e Champion ® RC 12YC S park Plug Gap .030 in. (.76 mm) Cran[...]

Specifications 4 MODEL MC TRANSMISSION (continued) Neutral T ransmission Release by Manual Dump V alve Final Drive Gear Drive Axle T ransmission Fluid Factory Service Mobil 1 Synthetic Motor Oil (15W -50) Alternate T ransmission Fluid SAE 30 W S traight Visc osity Motor Oil T ransmission Fluid Capacity 1 qt (1 liter ) T ransmission Cooling Cooling [...]

Specifications 5 MODEL MC DIMENSIONS (continued) Width 36 in. (91 cm) SD Model (with Defl ector) 41-3/4 in. (106 cm) 42 in. (107 cm) SD Model (with Defl ector) 47-3/4 in. (121 cm) 36 in. (91 cm) GHS Model 37 in. (94 cm) 42 in. (107 cm) GHS Model 43 in. (109 cm) Height SD Model 37-1/2 in. (95 cm) GHS Model 49-1/2 in. (1 12 cm) Wheel Base (T ractor) [...]

Specifications 6 MODEL MC DRIVE B EL TS Engine P T O W alker P/N 8230 Jackshaft Drive Gates 3VX385 (or W alker P/N 6251-1) Ground Drive, Micr o-V W alker P/N 7248 Blower (GHS Model) W alker P/N 7234-1 GHS SYSTEM (Optional) Blower 4-1/2 x 10-1/2 x 1/2 in. (1 1 x 27 x 1 cm) Three-Blade Padd le Wheel (Driven by Mower Engine) Blower Brake Band Brake (W[...]

Component Identification 7 NOTE: Control Identification shown in Operating Instructions section. Catcher Door Safety Latch Tu r b i n e Precleaner Grass Handling System 9.5 Bushel Catcher Anti-Scuff Roller Catcher Lift / Dump Handle Deck Lift Handle (Cutting Height Adjustment) T ilt-Up Hook (Not Visibl e) Counterweight S pring and Protective Cover [...]

Component Identification 8 Oil Drain Plug T ailpipe Muff ler Left Hand Drive Wheel Catcher Door Gas S pring Removable Gras s Catcher Screen (Not Visibl e) Catcher Door Anti-Scuff Roller Catcher Exhaust Deflecto r Catcher Door Gas S pring Protective Cover Catcher Lift / Dump Handle Oil Filter Catcher Door Handle T ailwheel Fork and Wheel Rear View a[...]

Component Identification 9 LH Hydrostatic T ransmission RH Hydrostatic T ransmission GHS Blower Muffler Heat Shield RH T ransmission Lockout Lever PT O Gearbox Dipstick Precleaner Tu b e Fuel Pump Air Cleaner Cover Air Restriction Indicator (Not Visibl e) Air Intake Hose Fuel T ank Cap Jackshaft Tu r b i n e Precleaner Muffler Oil Fill/ Dipstick Th[...]

Safety Instructions 10 Pay particular attention to any inform ation labeled DANGER , WA R N I N G , CAUTION , IMPORT ANT , and NOTE in this manual. When you see the Sa fety Alert Symbol ( ), read, underst and, and fo llow the instructions. Fail- ure to comply with safety instructions may result in personal injury . The seriousness or degr ee of imp[...]

Safety Instructions 11 6. Do not we ar loose fittin g clothing that c ould get caught in moving part s. Do not operate this machine while wearing shorts; always wear adequate protective clot hing, including long pants. W earing safety glasses, safety shoes, and a helmet is advisa ble and required by some local ordinan ces and insura nce regulations[...]

Safety Instructions 12 9. W atch for holes, rocks, and roots in th e terrain and for other hidden hazar ds. When mowing tall grass, m ow higher than desired to expose any hidden obst acles. Then, clean the area and mow to the desired height. 10. Avo id sudden st arts or stop s. Before backing the machine up, look to the rear to be su re no one is b[...]

Safety Instructions 13 2. T o reduce fire hazards, keep the engin e free of grass, leaves, excessive grease, and dirt. 3. Keep all nuts, bolts, and screws tight to ensu re the machine is in a safe, working cond ition. Check the blade mounting nut s frequently , mak- ing sure the y are tight. 4. Perform only maintenance instruction s de- scribed in [...]

Safety Instructions 14 Adjacent to Blower Discharge Chu te through Body (58 04) SD Deck Discharge Shield ( 5848) Lower Front Body (680 7) Hydrost at Oil Reservoir (5810-2 ) Rear of Grass Catcher Exhau st Screen (5869) Engine Shroud (5855) SAFETY , CONTROL, AND INSTRUCTION DECALS Safety , Control, and Instruction De cals are installed on the machine[...]

Safety Instructions 15 Fender , RH Side (7802) Catcher Door Hinge Bar , LH and RH Sides (5868) Deck Carrier Frame (865 3) Deck Gearbox Cover (58 07-3) On Engine (6810) SAFETY , CONTROL, AND INSTRUCTION DECALS Safety , Control, and In struction Decals are installed on the machine; if any are missing, illegible, or damaged, a repl ace ment should be [...]

Assembly Instructions 16 SETUP INSTRUCTIONS W alker Mowers are shipped partially assemb led. After un crating the tractor and mower deck, initial setup is required. NOTE: During the process of unpacking, a ny dam- aged or missing p art s should be noted and r eported to the delivering carrier im mediately (put in writing within 15 days). The carr i[...]

Assembly Instructions 17 3. After the battery is filled with electrolyte, replace the filler caps and charge the battery . Refer to Battery Charging . Battery Charging 1. Charge the batter y at 15 amp s for 10 minute s. DO NOT exceed 20 amps maximum re com- mended charging rate. Charge un til specific gravity is at least 1.250. T ot al charging tim[...]

Assembly Instructions 18 Deck Caster Wheel Inst allation 5. Grease the caster wheel bearings and caster pivot bearin gs - one grease fitting for each whe el and each pivot. Deck Discharge Chute Installation (GHS Rear Discharge Models Only) Mount the discharge ch ute h ing e on to p o f the de ck discharge openin g using the 1/4-20 x 1/2 in. socket [...]

Assembly Instructions 19 Tilt-Up S pring and Roller Wheel Inst allation on Re ar Discharge Deck Mower Deck lnst allation on T ractor Deck Installation 1. Lightly grease each deck support arm (2 ) on the tractor . Refer to Mower Deck Inst allation pho- to for location of deck support arm. 2. Engage the deck c arrier frame tube sockets on the tractor[...]

Assembly Instructions 20 IMPORT ANT : T o prevent damage to the mower , make sure the P TO shaf t assembly is securely locked on the tr actor , with the locking balls fully seated in th e groove and the ring in th e full forward position (refe r to the Coupler Ring “Locked” Position photo). Afte r instal lation, pull on the shaft to check for s[...]

Assembly Instructions 21 Deck Leveling 1. Position mower on a smooth, level surface. Set the cutting height to the highest position - 4 in. (102 mm) - for easy ac cess under the deck to measure blade height. Refer to AD JUSTING CUTTING HEIGHT in Operating In structions . NOTE: A block of wood cut 4 in . (102 mm) hig h is a convenient gauge to me as[...]

Assembly Instructions 22 PREOPERA TING CHECKLIST Before operating the mower for the first time, and as a routine before daily opera tions, it is import ant to make sure the mower is properly prep ared and ready for operation. T he following is a list of items to be checked. (For a mower with fre quent operation, some of these items will not need to[...]

Assembly Instructions 23 CHECK TIRE PRESSURE Deck Caster Wheel = 20 PSI (137 kPa) Drive = 15 PSI (103 kPa) Rear = 20 PSI (137 kPa) CHECK AND CLEA N GRASS BUILDUP UNDERNEA TH MOWER DECK (and inside GHS blower , if equipped ) Refer to CLEANING the GHS Blower in Mainte- nance Instructions for blower cleanin g information. The tilt-up deck can be secur[...]

Operating Instructions 24 CONTROL IDENTIFICA TION, LOCA TION, AND FUNCTION Ignition Switch The ignition switch is loca ted on the rig ht front of the body and is used to star t and stop the en gine. The switch has three positions: “ O” is the OFF position, RUN is the position the key returns to after st arting, and “S” is the ST ART posit i[...]

Operating Instructions 25 Engine Throttle The throttle control lever (red knob) is lo cated on the left side of the seat and is used to contro l engine speed. Moving the lever forward to ward the FA S T position increases engine speed; moving it back - ward toward the IDLE position decr eases engine speed. Choke and Throttle Location Forward S peed[...]

Operating Instructions 26 Lockout Lever Locat ion NOTE: The transmission pl unger on the side of the transmission case (activated by the LOCKOUT LE- VER ) must be comple tely released during opera tion of the mower , otherwise op eration of the tr ansmis- sion will be erratic. Hourmeter The hourmeter , which is located on the lef t front of the bod[...]

Operating Instructions 27 THROTTLE BLADE CLUTCH (PT O) Pull Up to Engage PA R K I N G BRAKE LEFT WHEEL STEERING LEVER Forward Position (No Control Change) Neutral-Park Position Reverse Drive Wheel Motion Positi on RIGHT WHEEL STEERING LEVER The Forwar d S peed Control also Establishe s the Neutral-Park Position of the S teering Levers FORW ARD SPEE[...]

Operating Instructions 28 ST ARTING THE E NGINE 1. Before attempting to start the engine, make sure the operator is in the seat, the Forward S peed Control is in NEUTR AL-P ARK position, and the blade clutch an d parking brake are DISENGAGED. NOTE: Release parking brake to prevent extra load on the starte r if the transmi ssion neutral is slightly [...]

Operating Instructions 29 1. Move the FSC out of NEUTRAL-P ARK position to the desired forw ard speed. DO N OT hold for- ward on steering levers. It is not necessary to hold the FSC lever in position since a friction lock maintains the selected lever position (and forward travel speed) . NOTE: This is exactly the same proced ure used to no rmally s[...]

Operating Instructions 30 Correct Operator Hand Position on the Controls 3. Reverse direction of the mower by pulling both levers backward. NOTE: Smooth action on the steering leve rs will produce smooth mower operation. Remem- ber to keep the engine a nd ground spee d slow until learning the contro l response. 4. The FSC may be adjusted forw ard f[...]

Operating Instructions 31 Blade Clutch Engaged Blade Clutch Disengaged STOPPING THE MACHINE 1. Slow the engine to a fas t idle; put t he throttle in the 1/2 throttle position. 2. Pull the st eering levers to the NEUTRAL posi- tion and then move the FSC lever backward to the NEUTRAL-P ARK position . 3. Disengage the blade clutch. IMPORT ANT : DO NOT[...]

Operating Instructions 32 Cutting height is adjusted by positionin g the fou r re- tainer hitch pins in a series of seven vertical holes on the deck support pins. Lif t handles have been pro- vided on each end of the deck to assist in raising the deck while position ing the hitch pins. Cu tting heights range from 1 in. (25 mm) [top hole s] to 4 in.[...]

Operating Instructions 33 RECOMMENDATIONS FOR MOWING IMPORT ANT : Operat e the engine at full speed when mowing, to allow the engin e to produce full horsepower and to increase ef ficiency of the engine cooling system. • Keep the mower deck and discharge chute clean. • Mow with sharp blades. A dull blade tears th e grass (res ulting in poor law[...]

Operating Instructions 34 RECOMMENDATIONS FOR TILT-UP DECK OPERATION/TRANSPORT T o avoid potential deck and/or tractor dama ge while using the tilt-up deck, the following recom menda- tions are of fered: • Do not move the t ractor with the deck in the tilt- up position since both th e roller wheels (on the back of the deck) and the GHS discharge [...]

Operating Instructions 35 GRASS HANDLING SYSTEM (GHS) GHS Model Only GHS Flow and Component s PT O and Blade Gear Drive PT O Clutch Rear Dischar ge Mower Deck Deck Discharge C hute Blower Body Chute Assembly Grass Catcher Catcher Door S pring Catch er Door Exhaust Deflector Exhaust Screen (Removable ) Catcher Door Safety Latch Grass-Pak ® Va n e S[...]

Operating Instructions 36 General Information The Grass Handling System ( GHS) consists of a rear discharge mower deck connected to a 10.5 in. (27 cm) blower and a re ar mounted grass catcher with 9.5 bushel (335 liter s) capacity o r optional 6.7 bushel (238 lite rs) capacity . The GHS blower oper- ates any time the m ower blade clutch is eng aged[...]

Operating Instructions 37 Clogging Checklist In case of clogging, there will be a disti nct change in the sound of the blow er , i.e., the blower sou nd will stop. Also, the mower deck will begin to leave a trail of gras s clippings. When th is occurs, stop the engine, disconne ct the spar k plug wires, and m ake sure all movement has stopped bef o[...]

Operating Instructions 38 NOTE: An optional exhaust screen with larger holes (3/4 ") is available for use when mowing in wet grass; the screen provides le ss airflow restriction and more cl og resistance (use s tandard screen in dry conditions to avoid excessive material blowing out of the catcher). Remember , anything th at restricts air flow[...]

Operating Instructions 39 Dumping the Catcher For dumping , the catc her either tailgate dumps into a disposal area or du mps into the optional dump bag. The dump b ag is a reusable nylon fabric bag des ign ed to conveniently move grass clippings from th e catcher to a remote disposal area or contain er . T ailgate Dumping 1. Open the back door by [...]

Operating Instructions 40 Dumping Catcher into Dump Bag 5. Lower the catcher sm oothly down to the normal operating position. DO NOT allow the cat cher to drop down. 6. C lose the door by holding the doo r handle with the left hand and releasin g the safety latch on the door hinge mechanism with the right hand. The safety latch is released by press[...]

Maintenance Instructions 41 CAUTION Maintenance proce dures requiring specia l training or tools should be performed by a trained technician. MAINTENANCE SCHEDULE CHART - REC OMMENDED SERVICE INTERV ALS - MODEL MC Service Item Daily 25 Hours 100 Hours 200 Hours Y early Every 2Y e a r s Ref. Page Check Engine Crankcase Oil Level x 43 Check/Clean Eng[...]

Maintenance Instructions KOHLER T IP S 42 IMPORT ANT TIPS FOR CARE OF THE KOHLER ENGINE Fuel System • Fuel must be cle an - free from water , dir t, and or- ganic material. • Change fuel filter on a regular basis and wh en contamin ation is suspected or found in th e fuel. St arting/Stopping • S tart engine with th e th rottle advanced of f i[...]

Maintenance Instructions LUBRICATION 43 LUBRICA TION Proper lubrication is an import an t maintena nce pro- cedure. It reduces we ar and makes the machine quieter and easier to oper ate. Engine Oil Engine Brea k-In Oil No special break-in oi l is required. The engine is serviced with 1 0W-30, Service Class SG oil from the factory . Change the o il [...]

Maintenance Instructions LUBRICATION 44 1. Park the mo wer on a level surface with the en- gine stopped. The eng ine oil should be warm before draining. If not warm from op eration, start the engine and r un a few minutes to warm the oil. 2. Before re moving the dipstick, clean the area around it to keep an y dirt or debris out of the en- gine. 3. [...]

Maintenance Instructions LUBRICATION 45 Mower Deck Ge arboxes (shown with gearbox co ver removed for clarity ) 2. Clean the area around the individ ual gearbox cover plates to prevent contamina nts from en- tering the gearca se . 3. Remove the s crews se curing the cover plates on the blade drive gearb oxes. 4. Check the le vel of lubricant in th e[...]

Maintenance Instructions LUBRICATION 46 Gearbox, Dolly Wheel, and U-Joint Lubrication T ractor PTO Gearbox Lubrication Checking Ge arbox Oil Leve l Check the gearbox oil leve l every 25 hours, and if necessary , add oil [SAE E. P . (Extreme Pressure) 80W-90 gear lube] to ma intain oil level to the FULL mark on the dipstick. IMPORT ANT : DO NOT over[...]

Maintenance Instructions LUBRICATION 47 2. Remove the reservoir cap and check the level of the fluid. The rese rvoir has a fluid level COLD mark and HOT mark. The reservoir oil level should AL W A YS be at or above the COLD mark and NEVER ab ove the HOT mark. T ransmission Reservoir and Air Bleed Plug Location 3. If the f luid is below th e COLD ma[...]

Maintenance Instructions LUBRICATION 48 Ident Lubrication No. No. Location T ype Places Ident Lubrication No. No. Location T ype Places 1 Deck Caster Wheel Fork Pivot Grease 2 2 Deck Caster Wheel Bearing Grease 2 3 T ee Gearbox, Deck Oil * 1 4 Blade Drive Gearbox Oil * 2 5 Universal Joint Shaft Assembly Grease ** 1 6 Pivot Assembly , Tilt-Up Deck G[...]

Maintenance Instructions LUBRICATION 49 2 2 11 4 7 6 6 26 26 29 28 27 27 & 34 30 19 20 28 & 35 32 33 31 8 13 14 19 3 4 5 6 6 7 8 13 15 16 17 18 14 21 21 23 24 22 25 10 11 9 12 Chassis and Dec k Lub r ic at ion Poin ts[...]

Maintenance Instructions CLEANING 50 CLEANING Engine Air Cleaner System There are two main compon ents in the engine air cleaner system: a turbine preclean er and a Donald- son Radialseal™ air clean er . Each component is checked, cleaned a nd mainta ined on a dif ferent schedule based on the f iltering action required. Each component is serviced[...]

Maintenance Instructions CLEANING 51 Donaldson R adialseal™ Air Cle aner A remote mounted Donaldson Ra dialseal™ air cleaner provides the air filte ring function. The paper filter element slides over an outlet tube inside the air cleaner canister with radial sealing action, eliminat- ing the possibility of dust le aks due to improper filter ins[...]

Maintenance Instructions CLEANING 52 4. Use a bright light inside the element to inspect for damage. Check the element very car efully for pin holes or other damage that will allow dirt to leak throug h the paper media. Replace element if nece ssary . 5. Without removing, visually in spect the condition of the safety filter fo r damage or ho les. T[...]

Maintenance Instructions CLEANING 53 Cylinder Head Cooling Fins It is essential for performan ce and longevity o f the air-cooled e ngine to keep the cylind er head coolin g fins clean and free of obstructio n. After every 8 hours of operation, che ck the performa nce of the cooling system by starting th e engine, holding a hand adjacent to the cyl[...]

Maintenance Instructions CLEANING 54 3. Clean gra ss buildup und erneath the deck using a pressure washer (and scraper if required). NOTE: While some degree of materia l buildup in the mower deck housing can be tolerated, a point is finally reached where cutting quality deteriorates and clo gging begins to occur because of too much buildu p on the [...]

55 Maintenance Instructions CLEANING/ CHECKING/SERVICING GHS Exhaust Screen Refer to Cleaning the GHS Exhaust Scre en in Op- erating Instructions . Hydrost atic T ransmission Cooling Fins Keeping the c ooling fins o n the hydr ostatic transmis- sions clean and fr ee of obstruction is essential to avoid overheating the tra nsmission fluid and short-[...]

56 Maintenance Instructions CHECKING/SER VICING IMPORT ANT : DO NOT overfill the battery . Electro- lyte will overflow through the vented caps onto parts of the machin e and WILL result in severe corrosion. Cleaning the T erminals If battery terminals are corroded, remove battery from the mowe r . Using a wir e brush, remo ve corro- sion with a sol[...]

57 Maintenance Instructions CHECKING/SERVICING 4. If the blade cutting edge is dull or nicked, it should be sharpened. Re move blades for sharpening by gr asping the end of the blade us- ing a rag or a thick, p added glove, while loosen- ing and removing the nut, lock washer , and flat washer that mounts th e blade. 5. Grind cutting edge at the sa [...]

58 Maintenance Instructions CHECKING/SERVICING/ REPLACING/REP AIRING Mower Deck Gearbox Oil Seals The mower deck gea rbox seals should be inspected every 25 hours for evidence of oil leaking; par t i c u - larly the lower oil seal on the blade drive g earbox. This seal is protected by the trash guard on the blade hub and seal protector plate on the[...]

Maintenance Instructions REPLACING/REP AIRING 59 Jackshaft Drive Belt Engine P TO Belt GHS Blower Belt (GHS Model Only) Hydrostatic Ground Drive Belt Belt Locati ons[...]

Maintenance Instructions REPLACING/REP AIRING 60 Engine P TO Dr ive Belt (3 Groove Powe r Band) 1. T o remove the en gin e PTO drive belt: a. Remove the jackshaft drive belt from its idler pulley (by pushin g down on idler pul- ley) and let the belt drop down out of the way . NOTE: S te p (a) is not essential to re moving the P TO b elt, but it mak[...]

Maintenance Instructions REPLACING/REP AIRING 61 Jackshaft Drive Belt 1. T o remov e the jackshaft drive belt: a. Remove the engine P TO d rive belt, as described in previou s section. Jackshaf t Drive Belt (Engaged) Jackshaf t Drive Belt (Disengaged) T e ns io n S pring Jackshaft Jackshaft Drive Belt Push Idler Pulley Do wn to Relax Belt Idler Pul[...]

Maintenance Instructions REPLACING/REP AIRING 62 GHS Blower Drive Belt 1. Remove th e GHS blower dr ive belt tensio n by depressing the i dler pulley on the tigh tener arm. Roll the belt of f the blower pulley . The belt should be clear of the b lower pulley , allowing free movement of th e blower wheel. Blower Drive Pulley Belt T ightener Idler Pu[...]

Maintenance Instructions REPLACING/REP AIRING 63 Hydrostatic Grou nd Drive Belt 1. T o remove the hydrostatic gr ound drive belt: a. Raise the spring-loaded belt tightener arm and idler pulley to relax belt. b. Slide belt off pulle ys, then release the idler . Hydrostatic Ground Drive Belt Idler Pulley Belt T ightener Arm Jackshaft T r ansmission D[...]

Maintenance Instructions REPLACING/REP AIRING 64 Fuel Filter Model MC is equipped with an in-line fuel filter . Vi- sually inspect the filter pe riodically , and replace the filter yearly . Fuel Filter Location IMPORT ANT : Replace the fuel filter only in a clean area where the fuel line and connections will not be contamin ated by any dust and dir[...]

Maintenance Instructions REPLACING/REP AIRING 65 PTO Shear Pin The PT O drive shaft conn ection to the deck gearbox has a shear pin to provide shock load protection to the mower deck drive. This system provides prima- ry shock protect ion in case of blade impact and will normally shear befo re the individual shear bolt s on the blade hub. When the [...]

66 Maintenance Instructions REPLACING/REP AIRING/ ADJUSTMENT S Reinsta ll the blades fo llowing procedure from Sharp- en Mower Blades instr uctions. If blades are re- placed, always use W alker original equipment blades to ensu re safety and optimum p erformance. The quality and performan ce of replacement blade s offered by o ther manuf acturers c[...]

67 LIMITED W ARRANTY FOR WA L K E R COMMERCIAL RIDER MOWER 1. WHA T THIS W ARRANTY COVERS, AN D FOR HOW LONG: W alker Manufacturing company will, at it s option, repair or repl ace, without charge, any p art covered by this warranty which is found to be defective in material and/or workmanship within one (1) yea r* after date of sale to the origina[...]

W ALKER MFG . CO. • 5925 E. HARMONY ROAD, FORT COLLINS, CO 80528 • (970) 221-5614 FORM NO. 030107 PRINTED IN USA www.walkermowers. com © 2007 W ALKER MF G . CO Sound - Model MC Sound T est Sound test conducted was in accordance with 79/1 13/EEC and was performed on 28 January 98 under the conditions list ed: General Cond ition: Cloudy T empera[...]