Instruction/ maintenance manual of the product MC19 Walker
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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 MA.
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 satised custom- ers. If for any reason this product does not perform to your expectations, please contact your local dealer .
T able of Contents General Information ________________ 1 HIGHLIGHTED INFORMA TION _____________ 1 GLOSSAR Y ____________________________ 1 IDENTIFYING NUMBER LOCA TIONS ________ 1 ENGINE SERIAL NUMBE.
T able of Contents Maintenance Instructions __________ 45 MAINTENANCE SCHEDULE CHART _______ 45 IMPORT ANT TIPS FOR CARE OF THE KOHLER ENGINE ________________ 46 Fuel System _________________________ .
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 .
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 .
Specications 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.
Specications 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.
Specications 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.
Component Identication 6 Front View and Right Side View NOTE: Control Identication shown in Operating Instructions section. Deck Caster Wheels Anti-Scuff Roller Deck Support Arms T ransmission C.
Component Identication 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 Spri.
Component Identication 8 T op View (Engine Compartment) Mufer Heat Shield Mufer Enginaire™ Air Cleaner Air Cleaner Cover Air Intake Hose Fuel T ank Cap Jackshaft PTO Gearbox Dipstick RH T r.
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 .
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.
Safety Instructions - Operating 1 1 1. Operate the mower only in daylight or in good articial 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.
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.
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.
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.
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.
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.
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.
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 .
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.
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.
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.
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.
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 .
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.
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.
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 efcient operation of the mower .
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.
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.
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.
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 .
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.
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).
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.
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).
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.
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 .
Operating Instructions 37 Side Discharge Deector 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.
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 offe.
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) Gras.
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.
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.
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 airow restriction and more clog resistance (use standard screen in dry conditions to avoid excessive material blowing out of the catcher).
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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).
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 co.
60 Maintenance Instructions CHECKING/SERVICING IMPORT ANT : DO NOT overll the battery . Electro- lyte will overow 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 .
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.
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.
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.
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 .
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.
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.
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 .
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.
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.
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.
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.
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 .
An important point after buying a device Walker MC19 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Walker MC19 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Walker MC19 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Walker MC19 you will learn all the available features of the product, as well as information on its operation. The information that you get Walker MC19 will certainly help you make a decision on the purchase.
If you already are a holder of Walker MC19, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Walker MC19.
However, one of the most important roles played by the user manual is to help in solving problems with Walker MC19. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Walker MC19 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
