LAZER Z E-SERIES ® For Serial Nos. 920,000 & Higher Lazer Z (LZE) Units Part No. 4500-872 Rev.
WARNING CALIFORNIA Proposition 65 Warning The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. Important: The engine in this product is not equipped with a spark arrester muffler. It is a violation of California Public Resource Code (CPRC) Section 4442 to use or operate this engine on any forest-covered, brush-covered, or grass-covered land as defined in CPRC 4126.
Introduction CONGRATULATIONS on the purchase of your Exmark Mower. This product has been carefully designed and manufactured to give you a maximum amount of dependability and years of trouble-free operation. This manual contains operating, maintenance, adjustment, and safety instructions for your Exmark mower. Figure 1 1. Model and serial number location BEFORE OPERATING YOUR MOWER, CAREFULLY READ THIS MANUAL IN ITS ENTIRETY. Model No.
Contents Electric Clutch Adjustment............................ 41 Motion Control Linkage Adjustment ............. 42 Motion Control Damper Adjustment............. 43 Motion Control Neutral Lock Pivot Adjustment ............................................... 44 Motion Control Handle Adjustment .............. 44 Motion Control Full Forward Tracking Adjustment ............................................... 44 Caster Pivot Bearings Pre-Load Adjustment ...............................................
Safety Safety Safety Alert Symbol • This lawn mower meets or exceeds the B71.4 specifications of the American National Standards Institute in effect at the time of production. • • Exmark designed and tested this lawn mower to offer reasonably safe service; however, failure to comply with the following instructions may result in personal injury.
Safety DANGER DANGER In certain conditions gasoline is extremely flammable and vapors are explosive. A fire or explosion from gasoline can burn you, others, and cause property damage. 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. • Fill the fuel tank outdoors on level ground, in an open area, when the engine is cold.
Safety Operation damage and make repairs before restarting and operating the mower). WARNING – Before clearing blockages. Operating engine parts, especially the muffler, become extremely hot. Severe burns can occur on contact and debris, such as leaves, grass, brush, etc. can catch fire. • Allow engine parts, especially the muffler, to cool before touching. • Remove accumulated debris from muffler and engine area.
Safety • Be aware that operating on wet grass, across steep slopes or downhill may cause the mower to lose traction. Loss of traction to the drive wheels may result in sliding and a loss of braking and steering. DANGER Operating on wet grass or steep slopes can cause sliding and loss of control. Wheels dropping over edges, ditches, steep banks, or water can cause rollovers, which may result in serious injury, death or drowning. • Do Not mow slopes when grass is wet.
Safety • • • • • • • • • • spark plug wire. Wait for all movement to stop before adjusting, cleaning or repairing. Keep engine and engine area free from accumulation of grass, leaves, excessive grease or oil, and other debris which can accumulate in these areas. These materials can become combustible and may result in a fire. Let engine cool before storing and Do Not store near flame or any enclosed area where open pilot lights or heat appliances are present.
Safety 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 pressure to hydraulic system.
Safety Safety and Instructional Decals • Keep all safety signs legible. Remove all grease, dirt and debris from safety signs and instructional labels. • Replace all worn, damaged, or missing safety signs. • When replacement components are installed, be sure that current safety signs are affixed to the replaced components. • If an attachment or accessory has been installed, make sure current safety signs are visible.
Safety 109-7232 1. Fast 2. Slow 3. Neutral 4.
Safety 116-0211 109-8483 1. Throttle–fast 2. Throttle–slow 3. Choke–on 4. Choke–off 116-1654 116-0157 1.
Safety 117–2718 Message Display 116-2927 1. 2. 3. 4. 5. 1. Latch 2. Unlatch Fuel Empty Half Full Battery 6. 7. 8. 9. 10. Hour meter PTO Parking brake Neutral Operator presence switch PTO Switch Symbols 1. PTO–disengage 116-3303 109-7069 14 2.
Specifications Specifications Model Numbers Serial Nos: 920,000 and Higher LZE20KA484; LZE22KA484; LZE24KA524; LZE27KC604 Systems – – – – Engine • Engine Specifications: See your Engine Owner’s Manual • Engine Oil Type: Exmark 4–Cycle Premium Engine Oil • RPM: Full Speed: 3750 ±50 RPM (PTO not engaged) Idle: 1500 ±100 RPM Safety Interlock System • LCD indicators appear for the PTO, park brake, drive levers, and operator presence in the message display on the RH control panel.
Specifications – 0-4.5 mph (7.2 km/hr) reverse. • Drive wheel release valves allow machine to be moved when engine is not running. • Deck Lift Pedal: Foot pedal that lifts deck. • Transport Lock: – Latching position: Automatically latches at the transport position. – Unlatching position: Deck does not latch at the transport position. Tires & Wheels Drive Pneumatic (Air filled) Seat • Type: Standard seat with foam padded seat cushion with armrests and integral safety switch.
Specifications Tread Width: (Center to Center of Tires, Widthwise) – 48 inch Deck: 3 anti-scalp rollers – 52 inch Deck: 3 anti-scalp rollers 48 inch Deck 52 inch Deck 60 inch Deck Drive Wheels 36.2 inches (91.9 cm) 36.2 inches (91.9 cm) 41.6 inches (105.7 cm) Caster Wheels 32.8 inches (83.3 cm) 32.8 inches (83.3 cm) 39.5 inches (100.3 cm) – 60 inch Deck: 4 anti-scalp rollers • Deck Depth: – 48 inch Deck: 5.5 inches (14 cm) – 52 inch Deck: 5.5 inches (14 cm) – 60 inch Deck: 5.
Specifications Torque Requirements Accessory Weight Table Worksheet: Use the table below to determine if extra weight is required for the unit. Identify the accessories and correct deck size and place the corresponding values in the Accessory Score column. If the Total Accessory Score meets the following, add the recommended weight kit.
Operation Product Overview Operation Note: Determine the left and right sides of the machine from the normal operating position. Controls Motion Control Levers The motion control levers located on each side of the console control the 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.
Operation Choke Control Depress the release button and push downward to disengage the brake. Located on right console (black lever) (see Figure 6). The choke is used to aid in starting a cold engine. Moving the choke lever forward will put the choke in the “ON” position and moving the choke lever to the rear, to the detent, will put the choke in the “OFF” position. Do Not run a warm engine with choke in the “ON” position. Figure 7 1. Release button 2.
Operation Drive Wheel Release Valves The hour meter records the number of hours that the engine has run. 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 release valves. WARNING Figure 9 1. 2. 3. 4. 5. The engine and hydraulic drive units can become very hot.
Operation PTO Engagement Switch Located on right console (see Figure 6). Switch must be pulled out (up) to engage the blades. Switch is pushed in to disengage the blades. The LCD indicator will appear when the PTO switch is disengaged (see Figure 9). Low Voltage Indicator Figure 11 1. Latching position 2. Transport lock control Located on the right console in the message display (see Figure 6 and Figure 9). A low voltage condition (less than 12.
Operation 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 with the seat latch. 2. Apply forward pressure to the upper hoop of the roll bar. 3. Pull the knob and rotate 90° to hold in the unlatched position to lower the roll bar. 4. To return to the operate position, raise the roll bar, and then rotate knobs 90° so that the tabs interlock partially.
Operation transporting, or when the unit is parked inside a building. DANGER An uncovered discharge opening will allow objects to be thrown in an operator’s or bystander’s direction. Also, contact with the blade could occur. Thrown objects or blade contact can cause serious injury or death. Driving the Machine Never operate the mower with the discharge deflector raised, removed, or altered unless there is a grass collection system or mulch kit in place and working properly.
Operation Figure 15 1. Front of Unit 2. Forward Driving in Reverse 1. Move the motion control levers inward to the neutral operate position. 2. To move rearward in a straight line, move both levers rearward with equal pressure. Figure 14 1. Neutral lock position (handles out) 2. Neutral operate position (handles in) 3. Front of Unit 3. Neutral 4. Reverse 4. Forward 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.
Operation Figure 17 Figure 16 1. Deck lift foot pedal 2. Height adjustment pin 1. Deck lift foot pedal 3. Height of cut decal 4. Transport lock control 2. Nuts 5. Insert the height adjustment pin into the hole corresponding to the desired cutting height. 3. Adjustment holes See the decal on the side of the deck lift plate for cut heights. 4. Hole set that moves the pedal closer to the operator 5. Hole set that moves the pedal away from the operator 6. Adjusts the pedal higher or lower 8.
Operation Figure 18 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 Figure 19 2. Cutting height 1. Spring disc washer (cone towards nut ) 2. Front right anti-scalp bracket shown For Maximum Deck Flotation, place the rollers one hole position lower. Rollers should maintain 1/4 inch (6.4 mm) clearance to the ground. Do Not adjust the rollers to support the deck. 3.
Operation WARNING Loading a unit on a trailer or truck increases the possibility of backward tip-over. Backward tip-over could cause serious injury or death. • Use extreme caution when operating a unit on a ramp. • Use only a single, full width ramp; Do Not use individual ramps for each side of the unit. • If individual ramps must be used, use enough ramps to create an unbroken ramp surface wider than the unit. • Do Not exceed a 15° angle between ramp and ground or between ramp and trailer or truck.
Maintenance Maintenance Note: Determine the left and right sides of the machine from the normal operating position. WARNING WARNING While maintenance or adjustments are being made, someone could start the engine. Accidental starting of the engine could seriously injure you or other bystanders. The engine can become very hot. Touching a hot engine can cause severe burns. Allow the engine to cool completely before service or making repairs around the engine area.
Maintenance Maintenance Service Interval Every 500 hours Monthly Yearly Maintenance Procedure • Replace the secondary air cleaner element (May need more often under severe conditions. See the Engine Owner’s Manual for additional information.) • Change the hydraulic filter and fluid. • Check the wheel hub slotted nut torque specifications. • Check the wheel lug nuts. • Check the park brake adjustment. • Check the battery charge. • Grease the deck and pump idler pivots. • Grease the front caster pivots.
Maintenance Voltage Reading Percent Charge Maximum Charger Settings 11.7–12.0 0–25% 14.4 volts/4 3 Hours amps 11.7 or less 0% 14.4 volts/2 6 Hours or More amps Note: The following instructions are adapted from the SAE J1494 Rev. Dec. 2001 – Battery Booster Cables – Surface Vehicle Recommended Practice (SAE – Society of Automotive Engineers). Charging Interval WARNING Batteries contain acid and produce explosive gases.
Maintenance VEHICLE (NOT TO THE NEGATIVE POST) AWAY FROM THE BATTERY. STAND BACK. 7. Start the vehicle and remove the cables in the reverse order of connection (the engine block (black) connection is the first to disconnect). WARNING Incorrect installation of the blade or components used to retain the blade can be dangerous. Failure to use all original components and assembled as shown could allow a blade or blade component to be thrown out from under the deck resulting in serious personal injury or death.
Maintenance Run engine at one-third throttle, with brake disengaged, move levers in and raise off seat (but do not get off of machine) engine must initiate shutdown after 1/2 second has elapsed. Visually inspect seat belt for wear, cuts, and proper operation of retractor and buckle. Replace before operating if damaged. Again, run engine at one-third throttle, brake engaged, and move left motion control lever in - engine must initiate shutdown after 1/2 second has elapsed.
Maintenance 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 filter, apply a thin coating of Exmark 4–Cycle Premium Engine Oil on the surface of the rubber seal.
Maintenance 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 pumps of NGLI grade #2 multi-purpose gun grease. Figure 24 1. Seal guard Refer to the following chart for fitting locations and lubrication schedule. Lubrication Chart Fitting Locations Initial Pumps Number of Places Service Interval 1.
Maintenance 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 tighten nut fully. Note: It is important to reinstall the fuel line hoses and secure with plastic ties the same as they were originally installed at the factory to keep the fuel line away from components that could cause fuel line damage.
Maintenance Hydro Oil Change Interval 2. Wait for muffler to cool. Exmark Premium Hydro Oil (Preferred) 500 Hours 3. If any breaks in the screen or welds are observed, replace arrester. Mobil 1 15W50 250 Hours 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. 10.
Maintenance Adjustments 7. Release the transport lock and allow the deck to lower to the cutting height. Note: Disengage PTO, shut off engine, wait for all moving parts to stop, engage parking brake, and remove key before servicing, cleaning, or making any adjustments to the unit. 8. Raise the discharge deflector. 9. Measure from the level surface to the front tip of the center blade. The measurement should read 3 inches (7.6 mm).
Maintenance 15. To adjust 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 1/3 the length of the available travel in their slots.
Maintenance 10. Remove all slack from cable by pulling on the caliper lever arm with a medium amount of force. Using hands and fingers only, push the caliper lever arm to engage the brake pads on the rotor until the lever stops. While holding the lever at the stopped position, use the other hand or fingers to pull the slack out of the cable threaded end through the swivel. Spin the standard nut against the swivel (see Figure 29).
Maintenance 19. Install the rear tires and torque lug nuts to 90-95 ft-lb (122-129 N-m). 20. Remove jack stands. Electric Clutch Adjustment No adjustment necessary. However on units with 60 inch decks, when the clutch brake has worn to the point where the clutch no longer engages consistently, the shim can be removed to extend the clutch life. Figure 30 1. 2 inch height of cut location E. Start the mower while in the operator position.
Maintenance continue to match after the shim is removed to ensure proper brake torque. Figure 34 1. Feeler gauge Figure 32 1. Brake mounting bolt • If the gap is less than 0.010 inch, then reinstall the shim and reference the Troubleshooting section. 2. Shim B. Using needle nose pliers, or by hand, take hold of the tab and remove the shim (Do Not discard the shim until proper clutch function has been confirmed). • If the gap is sufficient, proceed to the safety check in step F. F.
Maintenance WARNING Engine must be running and drive wheels must be turning so adjustments 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. 1. Prior to starting the engine, push the deck lift pedal and remove the height of cut pin. Lower deck to the ground. Figure 35 1. Double nuts 2.
Maintenance Motion Control Neutral Lock Pivot Adjustment The flanged nut can be adjusted to obtain a more desired motion control lever resistance (Figure 37). Figure 38 1. Bolts 2. Control lever 3. Control arm shaft Figure 37 1. Flanged nut 2. Jam nut 4. Nuts 5. Slotted holes 2. Move the control lever to the next set of holes. Secure the lever with the two bolts. 1. Loosen the jam nut. 3. Repeat the adjustment for the opposite control lever. 2. Tighten or loosen the flanged nut to the desired feel.
Maintenance Cleaning Clean Engine and Exhaust System Area Service Interval: Before each use or daily (May be required more often in dry or dirty conditions.) CAUTION Figure 39 RH Motion Control Shown Excessive debris around engine cooling air intake and exhaust system area can cause engine, exhaust area, and hydraulic system to overheat which can create a fire hazard. 3. Motion control lever 1. Screw 2. Cover plate Clean all debris from engine and exhaust system area.
Maintenance Battery Disposal 2. Slide seat all the way forward. 3. Remove accumulated debris from the hydro cooling fins. DANGER Battery electrolyte contains sulfuric acid, which is poisonous and can cause severe burns. Swallowing electrolyte can be fatal or if it touches skin can cause severe burns. Clean Debris From Machine Service Interval: Before each use or daily • Wear safety glasses to shield eyes, and rubber gloves to protect skin and clothing when handling electrolyte. 1.
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 be caused by an empty fuel tank. The following table lists some of the common causes of trouble. Do not attempt to service or replace major items or any items that call for special timing of adjustment procedures (such as valves, governor, etc.).
Troubleshooting Problem Engine loses power Possible Cause Corrective Action 1. Engine load is excessive 1. Reduce the ground speed. 2. Air cleaner is dirty. 3. Oil level in the crankcase is low. 4. Cooling fins and air passages for the engine are plugged. 5. Dirt in fuel filter. 6. Dirt, water, or stale fuel is in the fuel system. 2. Clean or replace the air cleaner element. 3. Add oil to the crankcase. 4. Remove the obstructions from the cooling fins and air passages. 5. Replace the fuel filter. 6.
Troubleshooting Problem Clutch will not engage. Possible Cause Corrective Action 1. Fuse is blown. 1. Replace fuse. Check coil resistance, battery charge, charging system, and wiring connections and replace if necessary. 2. Low voltage supply at the clutch. 2. Check coil resistance, battery charge, charging system, and wiring connections and replace if necessary. 3. Replace clutch. 4. Repair or replace clutch lead wire or electrical system. Clean connector contacts. 5. Remove shim or replace clutch.
RECTIFIER START TERMINAL R TERMINAL S 50 NONE B+R+I+A B+R+I+S 2. RUN 3. START CIRCUIT "MAKE" TERMINAL S TERMINAL B TERMINAL R TERMINAL A 1. OFF POSITION IGNITION TERMINAL I TERMINAL I BATTERY TERMINAL B CONNECTIONS ACCESSORY TERMINAL A TERMINAL IGNITION SWITCH B A 2 1 2 1 2 1 2 1 1 2 1 2 B A PINK LT.
A BK BK - GND S B BU SW2 (PTO SWITCH) C FUEL SENDER PK + 2 BK BN BN 3 5 BN 8 F3 B PK 1 BN V 4 A PTO CLUTCH 4 10A BK BN 7 U2 TVS DIODE 5 SW5 BK 8 3 (NEUT_L) SW4 (NEUT_R) PTO PK ACCESSORIES FUEL GROUND PK 6 2 Y LTGR PK BRAKE 4 W 7 9 (BRAKE) SW6 GND 15A F4 HOUR METER 11 BK 8 10 T PK 7 1 12 OR B+ KEY_S GN (SEAT) SW7 BN PK OR GY R R OR PK 5 I SW1 (IGNITION) 2 B GN GY GY 1 S V 3 R PK 4 OPTIONAL NEUTRAL FUEL_SOLENOID SEAT
Schematics Hydraulic Diagram 52
Lazer Z E-Series Turf Equipment 2 Year Limited Commercial Warranty 4 Year or 500 Hours Limited Consumer Warranty General Warranty 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 reasonable discretion) to be defective in factory materials or workmanship.
G011841 Figure 41 This page may be copied for personal use. 1. The maximum slope you can safely operate the machine on is 15 degrees. Use 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.
SEE EXMARK’S COMPLETE LINE OF ACCESSORIES AND OPTIONS MID-MOUNT RIDING ACCESSORIES AND OPTIONS CUSTOM RIDE SEAT SUSPENSION SYSTEM OPERATOR CONTROLLED DISCHARGE FULL SUSPENSION SEAT ROLL OVER PROTECTION SYSTEM (ROPS) DECK LIFT ASSIST KIT SUN SHADE HITCH KIT TRASH CONTAINER LIGHT KIT TURF STRIPER 12V POWER PORT ULTRA VAC COLLECTION SYSTEM MICRO-MULCH SYSTEM ULTRA VAC QUICK DISPOSAL SYSTEM OUT-FRONT RIDING ACCESSORIES AND OPTIONS CUSTOM RIDE SEAT SUSPENSION SYSTEM SNOW BLADE DUAL-TAIL WHEEL SN
