Page 2 - WARNING; CALIFORNIA
WARNING CALIFORNIA Proposition 65 Warning The engine exhaust from this productcontains chemicals known to the State ofCalifornia to cause cancer, birth defects, orother reproductive harm. Important: When the mower is used or operated on any California forest, brush or grass coveredland, a working sp...
Page 3 - Introduction; CONGRATULATIONS; on the purchase of your
Introduction CONGRATULATIONS on the purchase of your Exmark Mower. This product has been carefullydesigned and manufactured to give you a maximumamount of dependability and years of trouble-freeoperation. This manual contains operating, maintenance,adjustment, and safety instructions for your Exmark...
Page 4 - Contents; Adjusting the Self-Propel
Contents Introduction ........................................................... 3Safety ..................................................................... 5 Safety Alert Symbol ......................................... 5Safe Operating Practices .................................. 5Safety and Ins...
Page 5 - Safety; Safety Alert Symbol; Safe Operating Practices; Training; CAUTION
Safety Safety Safety Alert Symbol This lawn mower meets or exceeds the CPSC bladesafety requirements for walk-behind rotary mowersand the B71.4 specifications of the American NationalStandards Institute in effect at the time of production Exmark designed and tested this lawn mower to offerreasonably...
Page 6 - DANGER; Avoid prolonged breathing of vapors.
Safety DANGER In certain conditions gasoline is extremelyflammable and vapors are explosive. A fire or explosion from gasoline can burnyou, others, and cause property damage. • Fill the fuel tank outdoors in an openarea, when the engine is cold. Wipe upany gasoline that spills. • Never refill the fu...
Page 7 - Operation; DO NOT
Safety Operation WARNING Operating engine parts, especially themuffler, become extremely hot. Severe burnscan occur on contact and debris, such asleaves, grass, brush, etc. can catch fire. • Allow engine parts, especially the muffler,to cool before touching. • Remove accumulated debris from mufflera...
Page 8 - Slope Operation; Use; Extreme; caution when mowing and/or turning; Do Not mow slopes when grass is wet.; Maintenance and Storage
Safety • Be aware of the mower discharge path and directdischarge away from others. • Do Not operate the mower under the influenceof alcohol or drugs. • Use extreme care when loading or unloading themachine into a trailer or truck. • Use care when approaching blind corners, shrubs,trees, or other ob...
Page 9 - Safety and Instructional Decals
Safety Safety and Instructional Decals • Keep all safety signs legible. Remove all grease,dirt and debris from safety signs and instructionallabels. • Replace all worn, damaged, or missing safetysigns. • When replacement components are installed, besure that current safety signs are affixed to there...
Page 12 - Specifications; Model Numbers; Engine; speeds forward; Cutting Deck; Cutting Height Adjustment:; Dimensions
Specifications Specifications Model Numbers Serial Nos: 790,000 and Higher MPKA21; MPKA21CA; MSKA21; MSKA21CA; MSKA21B; MSKA21BCA; MSHN21; MSHN21B Systems Engine • Engine Specifications: See your Engine Owner’sManual • RPM: 3300 (No Load) Fuel System • Capacity: MPKA21, MSKA21, and MSKA21B Units:4.0...
Page 13 - Product Overview
Product Overview Overall Length and Height at2 1/4 inch Cutting Height: Handle Setting Length Height High 60.50 inches(153.7 cm) 42.75 inches(108.6 cm) Medium 64.25 inches(163.2 cm) 40.38 inches(102.6 cm) Low 67.00 inches(170.2 cm) 37.88 inches(96.2 cm) Overall Length and Height atAlternate Handle M...
Page 14 - Controls; Blade Control Bail; For Units with a Blade Brake Clutch:; Throttle-Choke Control; For units with a Blade Brake Control:
Operation Operation Note: Determine the left and right sides of the machine from the normal operating position. Controls Blade Control Bail Located on the upper handle as shown in Figure 4. When the blade control bail is depressed, the systemsenses that the operator is in the normal operator’spositi...
Page 15 - For MSHN21 and MSHN21B Units:; Do Not
Operation Figure 5 1. Ground speed control Fuel Shut-Off Valve For MPKA21, MSKA21, and MSKA21B Units: The fuel shut off valve is installed on the fuel linemidway between the fuel tank and the engine asshown in Figure 6. Figure 6 MPKA21, MSKA21, and MSKA21B Units 1. Fuel line 3. Elbow fitting 2. Fuel...
Page 16 - Operating Instructions; Handle Adjustment; Open the Fuel Shut-Off Valve
Operation Make sure you understand the controls, theirlocations, their functions, and their safetyrequirements. Refer to the Maintenance section and perform all thenecessary inspection and maintenance steps. Operating Instructions Handle Adjustment The handle may be adjusted to different heights for...
Page 17 - Stopping the Engine; For units without a Blade Brake Clutch:
Operation Figure 9 All Honda Units 1. Oil fill/dipstick 4. Air cleaner 2. Recoil starter handle 5. Spark plug 3. Fuel tank cap Figure 10 All Kawasaki Units 1. Muffler 5. Oil filter 2. Oil fill/dipstick 6. Air cleaner 3. Fuel tank cap 7. Spark plug 4. Recoil starter handle 2. Open the fuel valve. For...
Page 18 - Using the Discharge Tunnel; Installing the
Operation Note: If the blade does not stop within 3 seconds after releasing the blade control bail,contact an Authorized Service Dealer. 2. Close the fuel shut-off valve, if equipped with, when the machine will not be in use for a fewdays, when transporting, or when the unit isparked inside a buildi...
Page 19 - Test Using the Grass Bag
Operation Figure 12 1. Crumpled newspaper 2. 5 inches (12.7 cm) 6. Place the ball of newspaper 5 inches (12.7 cm) in front of the lawn mower. 7. Start the engine. 8. Squeeze the blade control bail against the handle. 9. Move the blade control lever to the full forward Latch position. Blades should e...
Page 20 - Using the Grass Bag
Operation WARNING Adjusting the cutting height levers couldbring your hands into contact with a movingblade. A moving blade can cause seriousinjury. • Stop the engine and wait for all movementto stop before adjusting the cuttingheight. • Do Not put your fingers under thehousing when adjusting the cu...
Page 21 - Operating Tips
Operation • Mowing with the Grass Bag WARNING A worn grass bag could allow small stonesand other similar debris to be thrown in theoperator’s or bystander’s direction. Thrownobjects can result serious personal injury ordeath to the operator or bystanders. Check the grass bag frequently. If it isdama...
Page 22 - Cutting Leaves
Operation • Overlap cutting swaths instead of cutting a fullswath with each pass. • Set the cutting height on the front wheels onenotch lower than the rear wheels. For example,set the front wheels at 2 1/4 inches (57 mm) andthe rear wheels at the 2 3/4 inches (70 mm). Cutting Leaves • After cutting ...
Page 23 - Maintenance
Maintenance Maintenance Note: Determine the left and right sides of the machine from the normal operating position. WARNING If you leave the wire on the spark plug,someone could accidentally start the engine.Accidental starting of the engine couldseriously injure you or other bystanders. Disconnect ...
Page 24 - Periodic Maintenance; Check Engine Oil Level; Check the Mower Blade; Service Interval: Before each use or daily
Maintenance Periodic Maintenance Check Engine Oil Level Service Interval: Before each use or daily 1. Stop engine and wait for all moving parts to stop. Make sure unit is on a level surface. 2. Check with engine cold. 3. Clean area around dipstick. Remove dipstick and wipe oil off. Reinsert the dips...
Page 25 - Replace a worn or damaged blade.
Maintenance 4. Tip the lawn mower onto its right side (see Figure 18 and Figure 19). Figure 18 Blade Brake Clutch Units Only 1. Accelerator 3. Blade 2. Anti-Scalp Cup 4. Blade Nuts Figure 19 Units Without a Blade Brake Clutch Only 1. Blade 3. Accelerator 2. Blade Bolt 5. Inspect the blade for sharpn...
Page 28 - Change Engine Oil; Service Interval: After the first 5 hours; Service Interval: Every 100 hours
Maintenance 11. Dip the foam element in clean engine oil, then squeeze out the excess oil. Note: Excess oil in the foam element restricts the air flow through the element and may reachthe paper filter and clog it. 12. Wipe dirt from the base and the cover with a moist rag. Note: Be careful to preven...
Page 29 - Servicing the Wheels; Lubricate the Pivot Arms
Maintenance Servicing the Wheels Service Interval: Every 100 hours Removing the Wheels 1. Stop engine, wait for all moving parts to stop.2. Disconnect the wire from the spark plug.3. Remove the bolt, the wheel spacer, and the locknut mounting the wheel to the pivot arm(Figure 26). Figure 26 1. Plast...
Page 30 - Service Interval: Yearly; Check Spark Plugs
Maintenance 1. Stop engine, wait for all moving parts to stop, and remove key. Engage parking brake. 2. Lubricate fittings with one to two pumps of NGLI grade #2 multi-purpose gun grease. Refer to the following chart for fitting locationsand lubrication schedule. Lubrication Chart Fitting Locations ...
Page 31 - Adjustments
Maintenance Adjustments Note: Wait for all moving parts to stop and remove spark plug wire before servicing, cleaning, or makingany adjustments to the unit. Adjusting the Self-PropelDrive(Self-Propelled Units Only) If the lawn mower does not self-propel or has atendency to creep forward when the con...
Page 32 - Cleaning; Washing Method
Maintenance Cleaning Clean Grass Build-Up UnderDeck Service Interval: Before each use or daily 1. Stop engine, wait for all moving parts to stop, and remove spark plug wire. 2. To ensure the best performance, keep the underside of the lawn mower housing clean(Figure 32). Figure 32 Blade Brake Unit S...
Page 33 - The grass bag is locked in place.; Service Interval: Every 50 hours
Maintenance WARNING Grass clippings and other objects can bethrown from an open discharge tunnel.Thrown objects can cause serious injury orkill the operator or bystanders. Never start or operate the lawn mower unlessone of the following is true: • The discharge tunnel plug is lockedsecurely in the d...
Page 34 - Waste Disposal; Motor Oil Disposal
Maintenance 7. Remove the BBC shield and brush or blow all the debris from under the shield and around theBBC system. 8. Install the BBC shield. Rotate the tabs 180° back into position. Tighten the nuts to the bolts ontabs to secure the BBC shield to the deck. 9. Install the blade, the accelerator, ...
Page 35 - Storage; Preparing the Fuel System
Storage Storage Preparing the Fuel System To prepare the lawn mower for off season storage,perform the recommended maintenance procedures. Store the lawn mower in a cool, clean, dry place.Cover the lawn mower to keep it clean and protected. WARNING Gasoline can vaporize if you store it over longperi...
Page 36 - Troubleshooting; condition prior to mower use.
Troubleshooting Troubleshooting Important: It is essential that all operator safety mechanisms be connected and in proper operating condition prior to mower use. When a problem occurs, Do Not overlook the simple causes. For example: starting problems could becaused by an empty fuel tank. The followi...
Page 38 - Exmark Commercial Turf Equipment
Conditions and Products Covered Exmark Mfg. Co. Inc. and its affiliate, Exmark Warranty Company, pursuant to an agreement between them, jointly warrant on the terms and conditions herein, that we will repair, replace or adjust any part on these products and found by us (in the exercise of our reason...
Page 39 - Service Record
Service Record Date: Description of Work Done: Service Done By: 39
Page 40 - M I D - M O U N T R I D I N G AC C E S S O R I E S A N D O P T I O N S; SEE EXMARK’S COMPLETE LINE OF ACCESSORIES AND OPTIONS; WALK-BEHIND ACCESSORIES AND OPTIONS
M I D - M O U N T R I D I N G AC C E S S O R I E S A N D O P T I O N S SEE EXMARK’S COMPLETE LINE OF ACCESSORIES AND OPTIONS WALK-BEHIND ACCESSORIES AND OPTIONS GRASS CATCHER MICRO-MULCH SYSTEM TURF STRIPER STANDON CUSTOM RIDE SEAT SUSPENSION SYSTEM FULL SUSPENSION SEAT DECK LIFT ASSIST KIT HITCH KI...
