Walker MC19 manual

Please Read and Save These Instructions Beginning S/N: 125718 For Safety , Read All Safety and Operation Effective Date: 1 1-25-13 Instructions Prior to Operating Machine P/N 6000-16 OPERA T OR’S MANUAL Safety , Assembly , Operating, and Maintenance Instructions Model MC19[...]

For eword Thank you. . . for purchasing a W alker 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 satised custom- ers. If for any reason this product does not perform to your expectations, please contact your local dealer . Every customer is important to us.[...]

T able of Contents General Information ________________ 1 HIGHLIGHTED INFORMA TION _____________ 1 GLOSSAR Y ____________________________ 1 IDENTIFYING NUMBER LOCA TIONS ________ 1 ENGINE SERIAL NUMBER LOCA TION _______ 2 SERVICING OF ENGINE AND DRIVETRAIN COMPONENTS ______________ 2 Specicat ion s ________________________ 3 ENGINE _____________[...]

T able of Contents Maintenance Instructions __________ 45 MAINTENANCE SCHEDULE CHART _______ 45 IMPORT ANT TIPS FOR CARE OF THE KOHLER ENGINE ________________ 46 Fuel System _________________________ 46 Starting/Stopping _____________________ 46 Cooling System ______________________ 46 Air Cleaner System ____________________ 46 Oil ________________[...]

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

General Information 2 Serial Number T ractor Serial Number Location Serial Number Mower Deck Serial Number Location ENGINE SERIAL NUMBER LOCA TION Refer to the engine manual that accompanies this manual or the photo below for the location of the engine serial number . Serial Number Engine Serial Number Location SERVICING OF ENGINE AND DRIVETRAIN CO[...]

Specications 3 MODEL MC19 ENGINE Manufacturer/Model Kohler Command Pro CH621, 2 Cyl., Gasoline (Air-Cooled) Displacement cu. in. (cc) 38.1 (624) Max. Power HP (kW) 19.0 (14.2) @ 3600 RPM Governed RPM 3600 Max. T orque lb·ft (N·m) 32.2 (43.7) Idle RPM 1200 Spark Plug T ype Champion ® RC12YC Spark Plug Gap in. (mm) .030 (0.76) Crankcase Capacit[...]

Specications 4 MODEL MC19 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) T ransmission Oil Capacity oz (L) 19 (0.56) T ransmission Cooling Cooling Fan Mounted on Drive Pulley Ground T ravel Speed Forward MPH (km/h) R[...]

Specications 5 MODEL MC19 GHS SYSTEM Blower 10.5 in. Diameter , Three-Blade Paddle Wheel Blower Brake Band Brake [Works in Combination with PT O Clutch, Stops Blower within Five (5) Seconds of PTO Disengagement] Max. Blower RPM 4000 Grass Catcher Capacity gal / bu / L 65 / 7 / 246 Full Signal (Grass-Pak ® Switch) Oscillating V ane Switch Mounte[...]

Component Identication 6 Front View and Right Side View NOTE: Control Identication shown in Operating Instructions section. Deck Caster Wheels Anti-Scuff Roller Deck Support Arms T ransmission Control Rod Adjustment Nut (RH) Catcher Lift / Dump Handle Fuel T ank and Cap T ilt-Up Latch Spring Clip Counterweight Spring and Protective Cover T ra[...]

Component Identication 7 Rear View and Left Side View Anti-Scuff Roller Catcher Door Left Hand Drive Wheel Removable Grass Catcher Screen (Not Visible) Oil Drain Plug Footrest Catcher Door Gas Spring (Not Visible) Catcher Lift / Dump Handle Mufer T ailpipe Oil Filter T ailwheel Fork and Wheel Catcher Door Handle[...]

Component Identication 8 T op View (Engine Compartment) Mufer Heat Shield Mufer Enginaire™ Air Cleaner Air Cleaner Cover Air Intake Hose Fuel T ank Cap Jackshaft PTO Gearbox Dipstick RH T ransmission Lockout Lever Positive (+) Battery Cable PTO Clutch Lever 30 Amp Circuit Breaker (Not Visible) Air Filter Restriction Gauge Fuel Pump Throt[...]

Safety Instructions - Befor e Operating 9 Pay particular attention to any information labeled DANGER, W ARNING, CAUTION, IMPORT ANT , and NOTE in this manual. When you see the Safety Alert Symbol ( ), read, understand, and follow the instructions. Fail ure to comply with safety instructions may result in person- al injury . The seriousness or degre[...]

Safety Instructions - Befor e Operating 10 6. Do not wear loose tting clothing that could get caught in moving parts. Do not operate this ma- chine while wearing shorts; always wear ade- quate protective clothing, including long pants. Wearing safety glasses, safety shoes, and a helmet is advisable and required by some local ordinances and insur[...]

Safety Instructions - Operating 1 1 1. Operate the mower only in daylight or in good articial light with good visibility of the area being mowed. 2. Sit on the seat when starting the engine and operating the machine. Keep feet on the deck footrests at all times when the tractor is moving and/or mower blades are operating. Never op- erate the tra[...]

Safety Instructions - Operating 12 14. The maximum recommended slope operat- ing angle is 15 degrees or 26% grade. When operating the machine on a slope, reduce speed and use caution to start, stop, and maneuver . T o prevent tipping or loss of control of the ma- chine, avoid sharp turns or sudden changes in direction. Do not operate the machine on[...]

Safety Instructions - Maintenance 13 1. T o prevent accidental starting of the engine when servicing or adjusting the machine, re- move the key from the ignition switch and dis- connect the spark plug wires. 2. T o reduce re hazards, keep the engine free of grass, leaves, excessive grease, and dirt. 3. Keep all nuts, bolts, and screws tight to e[...]

Safety Instructions 14 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 Manual. Location: Adjacent t[...]

Safety Instructions 15 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 Manual. Location: Deck Carri[...]

Safety Instructions 16 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 Manual. Location: Right Side[...]

Safety Instructions 17 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 Manual. 1. W arning – read[...]

Assembly Instructions 18 SETUP INSTRUCTIONS W alker Mowers are shipped partially assembled to our distribution network, and are typically assem- bled by the selling dealer . For any additional as- sembly besides the following, contact your Walker dealer . Tire Installation (T ractor) • Install the drive tires using the eight (8) lug bolts that ar[...]

Assembly Instructions 19 3. After the battery is lled with electrolyte, replace the ller caps and charge the battery . Refer to Battery Charging . Battery Charging   DANGER BA TTE RI ES PRO DU CE EXP LO SIV E G AS ES • Charge the battery in a well-ventilated area, so that gases produced while charg- ing can dissipate. • Keep sparks,[...]

Assembly Instructions 20 Spacer Washer Axle Bolt Axle Spacer Tube Deck Caster Wheel Installation 5. Grease the caster wheel bearings and caster pivot bearings - one grease tting for each wheel and each pivot. Deck Discharge Chute Installation (GHS Rear Discharge Models Only) Mount the discharge chute hinge on top of the deck discharge opening us[...]

Assembly Instructions 21 Roller Wheels Attach Spring Tilt-Up Spring and Roller Wheel Installation on Rear Discharge Deck Mower Deck Installation on T ractor Deck Installation 1. Lightly grease each deck support arm (2) on the tractor . Refer to Mower Deck Installation photo for location of deck support arm. 2. Engage the deck carrier frame tube soc[...]

Assembly Instructions 22 Coupler Ring in Released Position PTO Drive Shaft PTO Coupler U-Joint Quick Disconnect Ring “Released” Position Coupler Ring in Locked Position PTO Drive Shaft PTO Coupler U-Joint Internal Balls Locked on Shaft Quick Disconnect Ring “Locked” Position 6. Slide the deck the rest of the way on the deck arms. If the dec[...]

Assembly Instructions 23 Deck Leveling 1. Position mower on a smooth, level surface. Set the cutting height to the highest position - 4 in. (102 mm) - for easy access under the deck to measure blade height. Refer to ADJUSTING CUTTING HEIGHT in Operating Instructions . NOTE: A block of wood cut 4 in. (102 mm) high is a convenient gauge to measure bl[...]

Assembly Instructions 24 PREOPERA TING CHECKLIST Before operating the mower for the rst time, and as a routine before daily operations, it is important to make sure the mower is properly prepared and ready for operation. The following is a list of items to be checked. (For a mower with frequent opera - tion, some of these items will not need to [...]

Assembly Instructions 25 CHECK FUNCTION OF OIL PRESSURE W ARNING HORN T urn ignition key to the RUN position. The oil pres- sure horn should signal, indicating normal function. CHECK FUNCTION OF SAFETY INTERLOCK SWITCHES Refer to Operating Instructions to check for proper operation of safety switches, both during engine starting and with the operat[...]

Operating Instructions 26 CONTROL IDENTIFICA TION, LOCA TION, AND FUNCTION   CAUTION Before operating the mower , become famil- iar with the location and function of all op- erator controls. Knowing the location, function, and operation of these controls is important for safe and efcient operation of the mower . Ignition Switch The ignitio[...]

Operating Instructions 27 Engine Throttle The throttle control lever (red knob) is located on the left side of the seat and is used to control engine speed. Moving the lever forward toward the F AST position increases engine speed; moving it back- ward toward the IDLE position decreases engine speed. Throttle Choke Choke and Throttle Location Forwa[...]

Operating Instructions 28 Parking Brake Disengaged Front Body Latch Release The front portion of the tractor body hinges forward for maintenance access and is latched down in the OPERA TING position. T o raise the body , move the latch release forward. Front Body Latch Release Front Body Latch Release T ransmission Lockout Levers The transmission l[...]

Operating Instructions 29 Hourmeter The hourmeter , which is located on the right front of the body , displays operating time accumulated while the ignition switch is in the ON position. The hourmeter provides maintenance reminders af- ter certain hours of operation. The hourmeter screen will start ashing the reminder one hour prior to the recom[...]

Operating Instructions 30 Operating Controls (T op View from Drivers Point of View) 1. 2. BLADE CLUTCH (PTO) Pull Up to Engage CHOKE P ARKING BRAKE THROTTLE The Forward Speed Control also Establishes the Neutral-Park Position of the Steering Levers Fast Throttle Position Idle Position Forward Position (No Control Change) RIGHT WHEEL STEERING LEVER [...]

Operating Instructions 31 ST ARTING THE ENGINE   CAUTION Before operating the mower , read and un- derstand all Safety Instructions and Operat- ing Instructions .   W ARNING NEVER run the engine in an enclosed or poorly ventilated area. Engine exhaust contains carbon monoxide, an odorless and deadly gas. 1. Before attempting to start th[...]

Operating Instructions 32 1. Move the FSC out of NEUTRAL-P ARK position to the desired forward speed. DO NOT 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).   W ARNING In case the transmission drive belt breaks durin[...]

Operating Instructions 33 Pull Steering Levers With Left Hand Keep Feet on Footrest When Moving Forward Speed Control (FSC) Correct Operator Hand Position on the Controls 3. Reverse direction of the mower by pulling both levers backward. NOTE: Smooth action on the steering levers will produce smooth mower operation. Remem- ber to keep the engine an[...]

Operating Instructions 34   CAUTION If the cutting blades strike a stationary ob- ject while mowing, stop the mower imme- diately , disconnect the spark plug wires, lift the deck, and inspect the deck and blades thoroughly for damage. Make sure that the blade timing has not been dis turbed (the blades should be at 90 degrees to each other). R[...]

Operating Instructions 35   W ARNING In case the transmission drive belt breaks during operation, and if the machine is on a slope, the machine will freewheel down the slope. T o maintain control, immediately (1) Release the steering levers and simultaneously (2) Move the FSC to the NEUTRAL-P ARK position. When the machine is stopped or movin[...]

Operating Instructions 36 Lockout Lever Plunger Released Cam in UNLOCKED Position Lockout Lever - Normal Operating Position RECOMMENDA TIONS FOR MOWING   DANGER Do not mow around overhanging tree branches or bushes at the same height as the operator ’ s torso and head where inad- vertent contact may cause injury . A void Low Hanging Branche[...]

Operating Instructions 37 Side Discharge Deector Shield in Lowest Position • When operating on a slope, reduce speed and use caution to start, stop, and maneuver . Avoid sharp turns or sudden changes in direction. The maximum recommended slope operating angle is 15 degrees or 26% grade. Maximum Recommended Slope - Do Not Operate on Steep Slope[...]

Operating Instructions 38 RECOMMENDA TIONS FOR TIL T -UP DECK OPERA TION/TRANSPORT T o avoid potential deck and/or tractor damage while using the tilt-up deck, the following recommenda- tions are offered: • Do not move the tractor with the deck in the tilt- up position since both the roller wheels (on the back of the deck) and the GHS discharge c[...]

Operating Instructions 39 GRASS HANDLING SYSTEM (GHS) GHS Flow and Components Catcher Door PTO Clutch Rear Discharge Mower Deck Blower Exhaust Screen (Removable) Catcher Door Spring (Not Visible) Grass Catcher Dump Handle Body Chute Assembly Deck Discharge Chute Shear Bolt Shear Pin PTO and Blade Gear Drive Grass-Pak ® V ane Switch “Full” Sign[...]

Operating Instructions 40 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 rear mounted grass catcher with 7.0 bushel (246 liters) capacity . The GHS blow- er oper ates any time the mower blade clutch is en- gaged and moves grass through the rear discharge deck [...]

Operating Instructions 41 Clogging Checklist In case of clogging, there will be a distinct change in the sound of the blower , i.e., the blower sound will stop. Also, the mower deck will begin to leave a trail of grass clippings. When this occurs, stop the engine, disconnect the spark plug wires, and make sure all movement has stopped before attemp[...]

Operating Instructions 42 NOTE: An optional exhaust screen with larger holes (3/4 ") is available for use when mowing in wet grass; the screen provides less airow restriction and more clog resistance (use standard screen in dry conditions to avoid excessive material blowing out of the catcher). Remember , anything that restricts airow or[...]

Operating Instructions 43 Dumping the Catcher   DANGER Do not mow or dump grass within 5 feet (1.5 meters) of an embankment or retaining wall with drop off. For dumping, the catcher either tailgate dumps into a disposal area or dumps into the optional dump bag. The dump bag is a reusable nylon fabric bag designed to con veni ent ly mov e gras[...]

Operating Instructions 44 3. Hook the bottom of the bag over the rear bum- per while lifting on the handle strap(s). 4. T ilt the catcher back to dump into the bag by lifting on the catcher lift handle on the lower front corner of the catcher with the one hand while continuing to hold up on the bag strap(s) with the other hand. Refer to photos for [...]

Maintenance Instructions 45 MAINTENANCE SCHEDULE CHART - RECOMMENDED SERVICE INTERV ALS - MODEL MC19 Service Item Daily 25 Hours 100 Hours 200 Hours 400 Hours Y early Every 2 Y ears Ref. Page Check Engine Crankcase Oil Level x 47 Check/Clean Engine Air Cooling System* x 56 Check Security of Air Filtration Components x 59 Check Air Filter Restrictio[...]

Maintenance Instructions KOHLER TIPS 46 IMPORT ANT TIPS FOR CARE OF THE KOHLER ENGINE Fuel System • Fuel must be clean - free from water , dirt, and or- ganic material. • Change fuel lter on a regular basis and when contamination is suspected or found in the fuel. Starting/Stopping • Start engine with the throttle advanced off idle (1/4 to[...]

Maintenance Instructions LUBRICA TION 47 LUBRICA TION   W ARNING DO NOT attempt to lubricate the machine with the engine running. Disengage the PTO clutch, shut off the machine, and re- move the ignition key . Proper lubrication is an important maintenance pro- cedure. It reduces wear and makes the machine quieter and easier to operate. Engin[...]

Maintenance Instructions LUBRICA TION 48 1. Park the mower on a level surface with the en gine stopped. The engine oil should be warm before draining. If not warm from opera- tion, start the engine and run a few minutes to warm the oil. 2. Before removing the dipstick, clean the area around it to keep any dirt or debris out of the en gine. 3. Remov[...]

Maintenance Instructions LUBRICA TION 49 Blade Drive Gearboxes T ee Gearbox Mower Deck Gearboxes (Shown with Gearbox Cover Removed for Clarity) 2. Clean the area around the individual gearbox cover plates to prevent contaminants from en- tering the gearcase. 3. Remove the screws securing the cover plates on the blade drive gearboxes. 4. Check the l[...]

Maintenance Instructions LUBRICA TION 50 T ractor PTO Gearbox Lubrication Checking Gearbox Oil Level Check the gearbox oil level every 25 hours, and if necessary , add oil [SAE E.P . (Extreme Pressure) 80W-90 (API GL-5) gear lube] to maintain oil level to the FULL mark on the dipstick. IMPORT ANT : DO NOT overll the PTO gearbox to avoid oil leak[...]

Maintenance Instructions LUBRICA TION 51 Reservoir Cap Cold Level Air Bleed Plug T ransmission Reservoir and Air Bleed Plug Location 3. The reservoir has a uid level COLD mark. The reservoir oil level should AL W A YS be at or slightly above the COLD mark. 4. If the uid is below the COLD mark (or the trans- mission is not performing properly)[...]

Maintenance Instructions LUBRICA TION 52 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 Blade Spindle Grease Δ  3 4 Pivot Assembly , Tilt-Up Deck Grease [...]

Maintenance Instructions LUBRICA TION 53 Chassis and Deck Lubrication Points (DS42 Shown) 21 23 20 25 34 36 37 38 33 & 40 30 & 39 38 21 13 27 26 27 28 29 31 19 17 16 30 33 32 35 32 14 14 15 20 22 24 2 2 1 1 12 5 4 4 1 1 12 7 4 4 5 13 18[...]

Maintenance Instructions CLEANING 54 CLEANING   CAUTION If a pressure washer is used on the ex- posed working parts, avoid water on the electrical parts and the engine cooling system. Engine Air Cleaner System T urbine Precleaner Do frequently check the T urbine Precleaner (located in the end cap of the air cleaner assembly) for free movement[...]

Maintenance Instructions CLEANING 55 Filter Element Canister Cover Air Cleaner Components (Shown with Cover Being Removed) IMPORT ANT : The Enginaire™ air cleaner uses a dry paper-type air lter element. NEVER apply oil to the paper element. Air Filter Restriction Gauge Push Button to Reset Indicator After Service Air Filter Restriction Gauge L[...]

Maintenance Instructions CLEANING 56 IMPOR T ANT : Any dust left on the inside of the outle t tube will go into the engi ne and caus e wear . 8. Check the outside surface of the outlet tube for smoothness and cleanness (this is the sealing surface). 9. Insert and seat the safety lter and primary lter el ement carefully into the canister , app[...]

Maintenance Instructions CLEANING 57 Cylinder Head Cooling Fins It is essential for performance and longevity of the air-cooled engine to keep the cylinder head cooling ns clean and free of obstruction. After every 8 hours of opera tion, check the performance of the cooling system by starting the engine, holding a hand adjacent to the cylinder h[...]

Maintenance Instructions CLEANING 58   DANGER Do not operate the mower with deck in tilt- up position. Do not move the tractor with the deck in the tilt-up position. 3. Clean grass buildup underneath the deck using a pressure washer (and scraper if required). NOTE: While some degree of mat erial buildu p in the mower deck hous ing can be tole[...]

59 Maintenance Instructions CLEANING/ CHECKING/SERVICING GHS Exhaust Screen Refer to Cleaning the GHS Exhaust Screen in Op- erating Instructions . Hydrostatic T ransmission Cooling Fins Keeping the cooling ns on the hydrostatic transmis- sions clean and free of obstruction is essential to avoid overheating the transmission uid and short- enin[...]

60 Maintenance Instructions CHECKING/SERVICING IMPORT ANT : DO NOT overll the battery . Electro- lyte will overow through the vented caps onto parts of the machine and WILL result in severe corrosion. Cleaning the T erminals If battery terminals are corroded, remove battery from the mower . Using a wire brush, remove corro- sion with a soluti[...]

61 Maintenance Instructions CHECKING/SERVICING   W ARNING DO NOT try to straighten a blade that is bent. NEVER weld a broken or cracked blade. AL W A YS replace with a new blade to assure safety . 4. If the blade cutting edge is dull or nicked, it should be sharpened. Remove blades for sharpening by grasping the end of the blade us- ing a rag[...]

62 Maintenance Instructions CHECKING/SERVICING Mower Deck Gearbox Oil Seals The mower deck gearbox seals should be inspected every 25 hours for evidence of oil leaking; particu- larly the lower oil seal on the blade drive gearbox. This seal is protected by the trash guard on the blade hub and seal protector plate on the housing, but is still vulner[...]

63 Maintenance Instructions CHECKING/SERVICING/ REPLACING/REP AIRING • With an operator in the seat, the engine starts but dies soon after the Forward Speed Control (FSC) or PTO is engaged. • Without an operator in the seat, the engine starts and continues to run with the Forward Speed Control (FSC) and/or PTO engaged. • With an operator in t[...]

64 Maintenance Instructions REPLACING/REP AIRING Belt Locations Jackshaft Drive Belt Engine PTO Belt GHS Blower Belt Hydrostatic Ground Drive Belt[...]

65 Maintenance Instructions REPLACING/REP AIRING Engine PTO Drive Belt (3 Groove Power Band) 1. T o remove the engine PTO drive belt: a. Remove the jackshaft drive belt from its idler pulley (by pushing down on idler pul- ley) and let the belt drop down out of the way . NOTE: Step (a) is not essen tial to removin g the PT O bel t, bu t it makes mor[...]

66 Maintenance Instructions REPLACING/REP AIRING Jackshaft Drive Belt 1. T o remove the jackshaft drive belt: a. Remove the engine PTO drive belt, as described in previous section. b. Relax the belt by depressing the spring- loaded idler arm. c. Roll the belt off the jackshaft pulley and remove. Jackshaft Drive Belt (Disengaged) 2. Reverse the remo[...]

67 Maintenance Instructions REPLACING/REP AIRING GHS Blower Drive Belt 1. Remove the GHS blower drive belt tension by depressing the idler pulley on the tightener arm. Roll the belt off the blower pulley . The belt should be clear of the blower pulley , allowing free movement of the blower wheel. GHS Blower Drive Belt Assembly (Disengaged) 2. Rever[...]

68 Maintenance Instructions REPLACING/REP AIRING Hydrostatic Ground Drive Belt 1. T o remove the hydrostatic ground drive belt: a. Raise the spring-loaded belt tightener arm and idler pulley to relax belt. b. Slide belt off pulleys, then release the idler . Hydrostatic Ground Drive Belt Assembly (Disengaged) 2. Reverse the procedure to install the [...]

69 Maintenance Instructions REPLACING/REP AIRING Fuel Filter   DANGER Gasoline is extremely ammable and can be highly explosive. T o minimize danger: • Use only an approved fuel container for gasoline. • DO NOT allow open ames or sparks near the machine while performing main- tenance or refueling; DO NOT smoke while working with fue[...]

70 Maintenance Instructions REPLACING/REP AIRING PTO Shear Pin (If Equipped) The PTO drive shaft connection to the deck gearbox has a shear pin to provide shock load protection to the mower deck drive. This system provides pri- mary shock protection in case of blade impact and will normally shear before the individual shear bolts on the blade hub. [...]

71 Maintenance Instructions REPLACING/REP AIRING/ ADJUSTMENTS Reinstall the blades following procedure in CHECK- ING/SERVICING for Sharpen Mower Blades in- structions. If blades are replaced, always use Walk- er original equipment blades to ensure safety and optimum performance. The quality and performance of replacement blades offered by other man[...]

72 Maintenance Instructions ADJUSTMENTS   DANGER PINCH POINT - SPRING LOADED DOOR When lowering the door on the GHS catcher , BE VER Y CAREFUL to keep hands, ngers, etc. out of the hinging mechanism and away from the door frame as the door closes. The springs that hold the door closed during operation are very powerful, and the door can sl[...]

73 Operator ’ s Notes[...]

74 Operator ’ s Notes[...]

75 LIMITED W ARRANTY FOR W ALKER COMMERCIAL RIDER MOWER 1. WHA T THIS W ARRANTY COVERS, AND FOR HOW LONG: W alker Manufacturing company will, at its option, repair or replace, without charge, any part covered by this warranty which is found to be defective in material and/or workmanship within one (1) year* after date of sale to the original retail[...]

W AL K ER MF G. C O . • 5 92 5 E . HA RM ON Y R O AD , FO RT C O L L I N S, CO 8 0 5 2 8 • ( 9 7 0 ) 2 21 -5 61 4 FORM NO. 1 12513 PRINTED IN USA www .walkermowers.com ©2014 W ALKER MFG. CO[...]