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Maintenance

Check Spark Arrester

(if equipped)

Service Interval: Every 50 hours

WARNING

Hot exhaust system components may ignite
gasoline vapors even after the engine is stopped.
Hot particles exhausted during engine operation
may ignite flammable materials. Fire may result
in personal injury or property damage.

Do Not refuel or run engine unless spark arrester
is installed.

1. Stop engine, wait for all moving parts to stop, and

remove key. Engage parking brake.

2. Wait for muffler to cool.

3. If any breaks in the screen or welds are observed,

replace arrester.

4. If plugging of the screen is observed, remove

arrester and shake loose particles out of the
arrester and clean screen with a wire brush (soak
in solvent if necessary). Reinstall arrester on
exhaust outlet.

Thread Locking Adhesives

Thread locking adhesives such as “Loctite 242”
or “Fel-Pro, Pro-Lock Nut Type” are used on the
following fasteners:

ROPS spring pin housing.

Hydro pump control arm, linkage bolt, and
attachment bolt.

Hydro cooling fan screw.

Hydro park brake cable anchor mounting bolt

Sheave and clutch retaining bolt in the end of
engine crankshaft.

Thread locking adhesives are required for some
hardware on engines — see the Engine manual.

Copper-Based Anti-seize

Copper-based anti-seize is used in the following
location:

On threads of Blade Bolts. See

Check Mower

Blades

section.

Dielectric Grease

Dielectric grease is used on all blade type electrical
connections to prevent corrosion and loss of contact.

39

Summary of Contents for LAZER Z LZS22KA484

Page 1: ...LAZER Z S SERIES For Serial Nos 920 000 Higher Lazer Z LZS Units Part No 4500 728 Rev A ...

Page 2: ...du Canada The enclosed Engine Owner s Manual is supplied for information regarding The U S Environmental Protection Agency EPA and the California Emission Control Regulation of emission systems maintenance and warranty Keep this engine Owner s Manual with your unit Should this engine Owner s Manual become damaged or illegible replace immediately Replacements may be ordered through the engine manuf...

Page 3: ...lable online at http www exmark com manuals htm All Exmark equipment dealers and distributors are kept informed of the latest methods of servicing and are equipped to provide prompt and efficient service in the field or at their service stations They carry ample stock of service parts or can secure them promptly for you from the factory All Exmark parts are thoroughly tested and inspected before l...

Page 4: ...ate Brake Handle Pivot 37 Lubricate Deck Lift Pivot 37 Check Spark Plugs 37 Change Hydraulic System Filter and Fluid 38 Wheel Hub Slotted Nut Torque Specification 38 Check Spark Arrester if equipped 39 Thread Locking Adhesives 39 Copper Based Anti seize 39 Dielectric Grease 39 Adjustments 40 Deck Leveling 40 Pump Drive Belt Tension 41 Deck Belt Tension 41 Adjusting the Parking Brake 42 Electric Cl...

Page 5: ... is the owner s responsibility to explain this material to them Become familiar with the safe operation of the equipment operator controls and safety signs All operators and mechanics should be trained The owner is responsible for training the users Never let children or untrained people operate or service the equipment Local regulations may restrict the age of the operator Only adults and mature ...

Page 6: ... without entire exhaust system in place and in proper working condition DANGER In certain conditions during fueling static electricity can be released causing a spark which can ignite gasoline vapors A fire or explosion from gasoline can burn you and others and cause property damage Always place gasoline containers on the ground away from your vehicle before filling Do Not fill gasoline containers...

Page 7: ...safety shields guards switches and other devices in place and in proper working condition Never mow with the discharge deflector raised removed or altered unless there is a grass collection system or mulch kit in place and working properly Do Not change the engine governor setting or overspeed the engine Park machine on level ground Stop engine wait for all moving parts to stop remove key and enga...

Page 8: ...nd or a hand trimmer near drop offs ditches steep banks or water Figure 3 Figure 3 1 Safe Zone Use the mower here on slopes less than 15 degrees 2 Danger Zone Use a walk behind mower and or hand trimmer on slopes greater than 15 degrees near drop offs and water 3 Water Remove or mark obstacles such as rocks tree limbs etc from the mowing area Tall grass can hide obstacles Watch for ditches holes r...

Page 9: ...l ground Never allow untrained personnel to service machine Use jack stands to support components when required Carefully release pressure from components with stored energy Disconnect battery or remove spark plug wire before making any repairs Disconnect the negative terminal first and the positive last Reconnect positive first and negative last Use care when checking blades Wrap the blade s or w...

Page 10: ...arts WARNING Hydraulic fluid escaping under pressure can penetrate skin and cause injury Fluid accidentally injected into the skin must be surgically removed within a few hours by a doctor familiar with this form of injury or gangrene may result If equipped make sure all hydraulic fluid hoses and lines are in good condition and all hydraulic connections and fittings are tight before applying press...

Page 11: ...essory has been installed make sure current safety signs are visible New safety signs may be obtained from your authorized Exmark equipment dealer or distributor or from Exmark Mfg Co Inc Safety signs may be affixed by peeling off the backing to expose the adhesive surface Apply only to a clean dry surface Smooth to remove any air bubbles Familiarize yourself with the following safety signs and in...

Page 12: ...Safety 107 2102 109 3148 109 7232 1 Fast 3 Neutral 2 Slow 4 Reverse 109 7330 109 7929 12 ...

Page 13: ...Safety 109 8483 All Units Except EFI 1 Throttle fast 3 Choke on 2 Throttle slow 4 Choke off 109 9361 Deck Drive Belt Routing 116 0090 116 0157 1 See Operator s Manual 116 0205 116 0211 13 ...

Page 14: ...Safety 116 0752 1 Latch 2 Unlatch 116 1654 116 2643 116 2844 EFI Units Only 1 Throttle fast 2 Throttle slow 116 3303 117 2718 14 ...

Page 15: ...Safety Message Display 1 Fuel 6 Hour meter 2 Empty 7 PTO 3 Half 8 Parking brake 4 Full 9 Neutral 5 Battery 10 Operator presence switch PTO Switch Symbols 1 PTO disengage 2 PTO engage 109 7069 15 ...

Page 16: ...r light Electrical System Charging System Flywheel Alternator Charging Capacity Kohler and Kawasaki 15 amps Kohler EFI 20 amps Battery Type BCI Group U1 Recommended Minimum Battery CCA 260 CCA Battery Voltage 12 Volt Low Voltage Light RH control panel Polarity Negative Ground Fuses All units 25 amp main fuse 25 amp charging system fuse 10 amp PTO fuse 15 amp accessory fuse Safety Interlock System ...

Page 17: ...mrests and integral safety switch Adds approximately 1 2 inch 1 3 cm to seat height Seat Isolation System for reduced vibration to enhance ride of standard seat standard seat with Custom Ride Seat Suspension or Deluxe Suspension Seat Adds approximately 1 inch 2 5 cm to seat height Mounting Adjustable fore and aft on seat tracks Armrests Standard seat foam padded adjustable flip up armrests Suspens...

Page 18: ...inch Deck 5 5 inches 14 cm 60 inch Deck 5 5 inches 14 cm 72 inch Deck 5 5 inches 14 cm Cutting Height Adjustment Foot activated lever is used to adjust the cutting height from 1 inch 2 5 cm to 5 1 2 inches 14 cm in 1 4 inch 6 4 mm increments Mulching Kit Optional Dimensions Overall Width 48 inch Deck 52 inch Deck Without Deck 45 7 inches 116 1 cm 45 7 inches 116 1 cm Deflector Up 51 8 inches 131 6...

Page 19: ... Center of Drive Tire 48 inch Deck 52 inch Deck 60 inch Deck 72 inch Deck 48 0 inches 121 9 cm 48 0 inches 121 9 cm 51 6 inches 131 1 cm 53 6 inches 136 1 cm Curb Weight 48 inch Deck 52 inch Deck 60 inch Deck 72 inch Deck 22HP Kawasaki Units 1089 lb 494 kg 23HP Kohler Units 1088 lb 494 kg 24HP Kawasaki Units 1066 lb 484 kg 25HP Kohler Units 1133 lb 514 kg 25HP Kohler EFI Units 1133 lb 514 kg 27HP ...

Page 20: ...weight for primary accessory weighting scores 10 19 and front toe board weight kit for secondary accessory weighting scores 20 and higher Other units should install a first under toe board kit for primary accessory weighting scores 10 19 and a second under toe board kit for secondary accessory weighting scores 20 and higher Torque Requirements Bolt Location Torque Blade Drive Sheave Mounting Nut 1...

Page 21: ...e forward and reverse motion of the machine Moving the levers forward or backward turns the wheel on the same side forward or reverse respectively Wheel speed is proportional to the amount the lever is moved Moving the levers outward from the center position into the T slot locks them in the neutral position Figure 5 When the motion control levers are in the neutral position the LCD indicator appe...

Page 22: ...arking brake on the drive wheels Note The LCD indicator appears in the message display on the RH console when the park brake is engaged see Figure 9 Pull the lever up and rearward to engage the brake Depress the release button and push downward to disengage the brake Figure 7 1 Release button 2 Park brake The unit must be tied down and brake engaged when transporting Ignition Switch Located on rig...

Page 23: ... The fuel level is shown on a bar display The indicator light appears when the fuel level is low approximately one gallon remaining in the tank Drive Wheel Release Valves WARNING Hands may become entangled in the rotating drive components below the engine deck which could result in serious injury or death Stop engine remove key allow all the moving parts to stop before accessing the drive wheel re...

Page 24: ...matically latch the cutting deck when raised to the transport position see item 1 in Figure 11 In the non latching position the deck will automatically return to the cutting height when the pedal is lowered see item 3 in Figure 11 Figure 11 1 Latching position 3 Non latching position 2 Transport lock control Electronic Control Unit Malfunction Indicator Kohler EFI Units Only The electronic control...

Page 25: ...fully engaged with the roll bar in the raised position The upper hoop of the roll bar may need to be pushed forward or pulled rearward to get both knobs fully engaged see Figure 13 Figure 13 1 Engaged 2 Partially engaged Do Not operate with ROPS in this condition Important Always use the seat belt with the roll bar in the operate raised position Ensure that the rear part of the seat is secured wit...

Page 26: ...h the PTO switch in to disengage the blades Stopping the Engine 1 Bring the unit to a full stop 2 Move the motion control levers out to the neutral lock position 3 Engage the parking brake 4 Place the throttle midway between the SLOW and FAST positions 5 Disengage the PTO 6 Allow the engine to run for a minimum of 15 seconds then turn the ignition switch to the OFF position to stop the engine 7 Re...

Page 27: ...ove both levers rearward with equal pressure To turn right release pressure on the RH motion control lever and the rear of the machine will move towards the rear and to the right To turn left release pressure on the LH motion control lever and the rear of the machine will move towards the rear and to the left 3 To stop position both motion control levers in the neutral operate position Adjusting t...

Page 28: ...y removing the nyloc nut bushing spring disc washer and whizlock nut 6 Place the rollers in one of the positions shown Figure 17 Rollers will maintain 3 4 inch 19 mm clearance to the ground to minimize gouging and roller wear or damage Figure 17 For cutting heights above 3 5 inches 90 mm use the bottom hole The rollers will still be effective against scalping 1 Anti scalp roller mounting bracket 2...

Page 29: ...5 angle between ramp and ground or between ramp and trailer or truck Avoid sudden acceleration while driving unit up a ramp to avoid tipping backward Avoid sudden deceleration while backing unit down a ramp to avoid tipping backward Loading a Unit Use extreme caution when loading units on trailers or trucks One full width ramp that is wide enough to extend beyond the rear tires is recommended inst...

Page 30: ...e specifications Check the wheel lug nuts Check the park brake adjustment Before each use or daily Check the engine oil level Check the mower blades Check the safety interlock system Check the rollover protections systems roll bar knobs Check the seat belt Check for loose hardware Clean the engine and exhaust system area Clean the hydro fan cooling guards Clean the grass and debris build up from t...

Page 31: ...sories contain lead and lead compounds chemicals known to the State of California to cause cancer and reproductive harm Wash hands after handling Allowing batteries to stand for an extended period of time without recharging them will result in reduced performance and service life To preserve optimum battery performance and life recharge batteries in storage when the open circuit voltage drops to 1...

Page 32: ...e properly sized jumper cables 4 to 6 AWG with short lengths to reduce voltage drop between systems Make sure the cables are color coded or labeled for the correct polarity CAUTION Connecting the jumper cables incorrectly wrong polarity can immediately damage the EFI system Be certain of battery terminal polarity and jumper cable polarity when hooking up batteries Note The following instructions a...

Page 33: ... Under Deck section 3 Inspect blades and sharpen or replace as required 4 Reinstall the blades if they were removed in the following order A Install bushing through blade with bushing flange on bottom grass side of blade Figure 21 1 Install bushing in blade prior to installing bushing in spindle B Install bushing blade assembly into spindle Make sure the splines on the bushing are engaged in the s...

Page 34: ...chine engine must initiate shutdown after approximately 1 2 second has elapsed seat has time delay kill switch to prevent cut outs on rough terrain Run engine at one third throttle engage PTO and raise off of seat but do not get off of machine engine must initiate shutdown after one second has elapsed if the handles are in The delay will be 1 2 second if the handles are out Run engine at one third...

Page 35: ...ake 2 Drain oil while engine is warm from operation 3 The oil drain hose is located on right hand side of engine at the rear Place pan under machine to catch oil Remove plug from end of drain hose Allow oil to drain and replace oil drain plug Torque plug to 20 24 ft lb 4 Replace the oil filter every other oil change Clean around oil filter and unscrew filter to remove Before reinstalling new filte...

Page 36: ...ge parking brake 2 Remove left and right belt shields on deck and lift up floor pan to inspect deck drive belt 3 Check under machine to inspect the pump drive belt Note No adjustments are required for belt tension Lubricate Grease Fittings Note See chart for service intervals 1 Stop engine wait for all moving parts to stop and remove key Engage parking brake 2 Lubricate fittings with one to two pu...

Page 37: ...ing and new seal into the wheel 12 Apply a thread locking adhesive to the 2nd spacer nut and thread onto the axle with the wrench flats facing outward 13 Torque the nut to 75 80 in lb 8 9 N m loosen then re torque to 20 25 in lb 2 3 N m Make sure axle does not extend beyond either nut 14 Reinstall the seal guards over the wheel hub and insert wheel into caster fork Reinstall caster bolt and tighte...

Page 38: ...he pump drive belt 4 Place a catch pan under the hydro 5 Carefully clean area around the filters It is important that no dirt or contamination enter the hydraulic system 6 Using a socket unscrew filters to remove and allow oil to drain 7 Before installing the new filters apply a thin coat of Exmark Premium Hydro Oil on the surface of the two rubber seals 8 Install the new filters and torque to 14 ...

Page 39: ...cles out of the arrester and clean screen with a wire brush soak in solvent if necessary Reinstall arrester on exhaust outlet Thread Locking Adhesives Thread locking adhesives such as Loctite 242 or Fel Pro Pro Lock Nut Type are used on the following fasteners ROPS spring pin housing Hydro pump control arm linkage bolt and attachment bolt Hydro cooling fan screw Hydro park brake cable anchor mount...

Page 40: ...f necessary 4 Position the transport lock in the latching position 5 Push the foot pedal all the way forward and the deck will latch at the 5 1 2 inch 14 cm transport position Figure 26 Figure 26 1 Foot lever 3 Transport lock 2 Height of cut pin 6 Insert the height adjustment pin into the 3 inch 7 6 cm cutting height location 7 Release the transport lock and allow the deck to lower to the cutting ...

Page 41: ...the single point system first loosen the front and rear height of cut plate mounting bolts 16 If the deck is too low tighten the single point adjustment bolt by rotating it clockwise If the deck is too high loosen the single point adjustment bolt by rotating it counterclockwise Note Loosen or tighten the single point adjustment bolt enough to move the height of cut plate mounting bolts at least 1 ...

Page 42: ... with a tool and loosen the lock nut away from the standard nut see Figure 30 Do Not allow the cable to turn when the nuts are being loosened Figure 30 Left Hand Brake Shown 1 Cable anchor 7 Pull cable threaded rod this direction 2 Threaded rod 8 Hold threaded rod here 3 Push lever this direction 9 Swivel pivot head 4 Caliper lever arm 10 Caliper 5 Standard nut shown against swivel 11 Hub 6 Lock n...

Page 43: ...stments can be performed Contact with moving parts or hot surfaces may cause personal injury Keep fingers hands and clothing clear of rotating components and hot surfaces F Release the park brake so the handle rests on the 1 2 x 6 inch rod or bolt G Move the throttle to high idle H Move both motion control levers to the full forward position and hold for 15 seconds I Move both motion control lever...

Page 44: ... brake mounting bolts one half to one full turn see Figure 33 Note Do Not remove the brake pole from the field shell armature The brake pole has worn to match the armature and needs to continue to match after the shim is removed to ensure proper brake torque Figure 33 1 Brake mounting bolt 2 Shim B Using needle nose pliers or by hand take hold of the tab and remove the shim Do Not discard the shim...

Page 45: ...aces 1 Prior to starting the engine push the deck lift pedal and remove the height of cut pin Lower deck to the ground 2 Raise the rear of machine up and support with jack stands or equivalent support just high enough to allow drive wheels to turn freely 3 Remove the electrical connection from the seat safety switch located under the bottom cushion of the seat The switch is a part of the seat asse...

Page 46: ... nut after torque A T 40 Torx bit will be necessary to hold the stud from turning 2 Most resistance firmest feel 3 Damper 4 Medium resistance medium feel 5 Least resistance softest feel Motion Control Neutral Lock Pivot Adjustment The flanged nut can be adjusted to obtain a more desired motion control lever resistance Figure 38 Figure 38 1 Flanged nut 2 Jam nut 1 Loosen the jam nut 2 Tighten or lo...

Page 47: ...Full Forward Tracking Adjustment If the machine travels or pulls to one side when the motion control levers are in the full forward position adjust the cover plates 1 Loosen the screws on a cover plate see Figure 40 2 Slide the cover plate backward or forward to adjust the travel of the lever and tighten the screws 3 Drive the machine and check the full forward tracking 4 Repeat steps 1 through 3 ...

Page 48: ...stem to run cooler and improve the life of the hydro system 1 Stop engine wait for all moving parts to stop and remove key Engage parking brake 2 Slide seat all the way forward 3 Remove accumulated debris from the hydro fan cooling fins Clean Debris From Machine Service Interval Before each use or daily 1 Stop engine wait for all moving parts to stop and remove key Engage parking brake 2 Clean off...

Page 49: ...thing when handling electrolyte Do Not swallow electrolyte In the event of an accident flush with water and call a doctor immediately Federal law states that batteries should not be placed in the garbage Management and disposal practices must be within relevant federal state or local laws If a battery is being replaced or if the unit containing the battery is no longer operating and is being scrap...

Page 50: ...Fuse is blown 6 Replace the blown fuse 7 Relay or switch is defective 7 Contact an Authorized Service Dealer Starter does not crank 8 Faulty module 8 Replace module 1 Fuel tank is empty 1 Fill the fuel tank 2 Fuel shutoff valve is closed 2 Open the fuel shutoff valve 3 Oil level in the crankcase is low 3 Add oil to the crankcase 4 The throttle and choke are not in the correct position 4 Be sure th...

Page 51: ... Mower deck is not level 3 Level mower deck from side to side and front to rear 4 Underside of mower is dirty 4 Clean the underside of the mower 5 Tire pressure in drive tires not correct 5 Adjust tire pressure in the drive tires 6 Blade spindle bent 6 Contact an Authorized Service Dealer Uneven cutting height 7 Tips of adjacent blades are at an uneven cutting height Blades tips should be even wit...

Page 52: ...cessary 2 Low voltage supply at the clutch 2 Check coil resistance battery charge charging system and wiring connections and replace if necessary 3 Damaged coil 3 Replace clutch 4 Inadequate current supply 4 Repair or replace clutch lead wire or electrical system Clean connector contacts Clutch will not engage 5 Rotor armature airgap is too large 5 Remove shim or replace clutch 52 ...

Page 53: ...K PINK RED BLACK PINK GRAY PINK BLUE BLACK BLACK BLACK TVS DIODE BROWN BLACK VIOLET PINK 2 1 1 3 2 4 5 6 7 8 1 A B 2 3 1 5 4 1 2 5 4 3 1 2 1 2 1 2 9 12 3 10 1 8 6 5 11 2 4 7 B A 7 4 5 9 3 6 8 1 2 C A B A B 2 6 3 5 4 1 1 2 2 1 2 1 2 1 A B 9 7 4 1 2 3 8 4 1 2 3 5 3 7 1 2 6 8 4 5 B C A 3 1 6 4 5 2 5 3 2 1 4 A B 7 1 6 12 A B IGNITION SWITCH NOTE CONNECTORS VIEWED FROM MATING CONNECTOR TERMINAL CONNECT...

Page 54: ... PINK BLUE BLACK BLACK BLACK TVS DIODE BROWN BLACK VIOLET PINK 2 1 1 1 1 3 2 4 5 6 7 8 1 A B 2 3 1 5 4 1 2 5 4 3 1 2 1 2 1 2 9 12 3 10 1 8 6 5 11 2 4 7 B A 7 4 5 9 3 6 8 1 2 C A B A B 2 6 3 5 4 1 1 2 2 1 2 1 2 1 A B 9 7 4 1 2 3 8 4 1 2 3 5 3 7 1 2 6 8 4 5 B C A 3 1 6 4 5 2 5 3 2 1 4 A B 7 1 6 12 A B IGNITION SWITCH NOTE CONNECTORS VIEWED FROM MATING CONNECTOR TERMINAL CONNECTIONS TERMINAL A ACCESS...

Page 55: ...IODE U2 NEUT_R SW5 B MAG REG START FUEL SOLINIOD AC STARTER AC IGNITION MODULES SPARK PLUG SPARK PLUG KAW TWIN NEUT_L SW4 12 B 10 KEY_S 9 KEY_A 4 SEAT 11 BRAKE 2 NEUTRAL 3 PTO 5 FUEL 1 START_RELAY 7 MAGNETO 6 FUEL_SOLENOID 8 GROUND HOUR METER 2 R A I A 4 7 1 3 6 5 A 3 SW1 1 B B C B 8 2 4 5 IGNITION 4 6 5 1 KEY SW OPTIONAL ACCESSORIES 2 S Ignition switch terminal locations viewed from back OFF no c...

Page 56: ...2 NEUT_R SW5 B MAG ECU REG START FUEL SOLINIOD AC STARTER AC IGNITION MODULES SPARK PLUG SPARK PLUG KAW TWIN NEUT_L SW4 12 B 10 KEY_S 9 KEY_A 4 SEAT 11 BRAKE 2 NEUTRAL 3 PTO 5 FUEL 1 START_RELAY 7 MAGNETO 6 FUEL_SOLENOID 8 GROUND HOUR METER 2 R A I A 4 7 1 3 6 5 A 3 SW1 1 B B C B 8 2 4 5 IGNITION 4 6 5 1 KEY SW OPTIONAL ACCESSORIES 2 S Ignition switch terminal locations viewed from back OFF no con...

Page 57: ...Schematics Hydraulic Diagram 57 ...

Page 58: ... must be performed by an authorized Exmark Service Dealer using Exmark approved replacement parts Instructions for Obtaining Warranty Service The product must be registered with original proof of purchase by an Exmark Service Dealer before obtaining any warranty service Contact any Exmark Service Dealer to arrange service at their dealership To locate a dealer convenient to you access our website ...

Page 59: ...Notes 59 ...

Page 60: ...Notes 60 ...

Page 61: ...Service Record Date Description of Work Done Service Done By 61 ...

Page 62: ...62 ...

Page 63: ...se the slope indicator to determine the degree of slope of hills before operating Do Not operate this machine on a slope greater than 15 degrees Fold along the appropriate line to match the recommended slope 2 Align this edge with a vertical surface a tree building fence pole etc 3 Example of how to compare slope with folded edge 63 ...

Page 64: ...DISPOSAL SYSTEM OUT FRONT RIDING ACCESSORIES AND OPTIONS CUSTOM RIDE SEAT SUSPENSION SYSTEM DUAL TAIL WHEEL FLOOR PAN EXTENDER HITCH KIT LIGHT KIT MICRO MULCH SYSTEM ROLL OVER PROTECTION SYSTEM ROPS SNOW BLADE SNOWBLOWER SUN SHADE TRASH CONTAINER ULTRA VAC COLLECTION SYSTEM ULTRA VAC QUICK DISPOSAL SYSTEM WEATHER CAB Place Model No and Serial No Label Here Included in the Literature Pack or Fill i...

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