Exmark LAZER Z Operator's Manual
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Exmark LAZER Z Operator's Manual

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LAZER Z
MODELS
®
For Serial Nos.
790,000 & Higher
Part No. 4500-507 Rev. B

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Summary of Contents for Exmark LAZER Z

  • Page 1 LAZER Z MODELS ® For Serial Nos. 790,000 & Higher Part No. 4500-507 Rev. B...
  • Page 2 Replacements may be ordered through the engine manufacturer. Exmark reserves the right to make changes or add improvements to its products at any time without incurring any obligation to make such changes to products manufactured previously.

  • Page 3: Introduction

    All Exmark parts are thoroughly tested and inspected before leaving the factory, however, attention is required on your part if you are to obtain the fullest measure of satisfaction and performance.

  • Page 4: Table Of Contents

    Contents Electric Clutch Adjustment......40 Motion Control Linkage Adjustment ..... 40 Motion Control Damper Adjustment..... 41 Introduction ............3 Motion Control Neutral Lock Pivot Safety ..............5 Adjustment ..........42 Safety Alert Symbol ......... 5 Motion Control Handle Adjustment ....42 Safe Operating Practices ........

  • Page 5: Safety

    • Evaluate the terrain to determine what accessories ALERT! YOUR SAFETY IS INVOLVED! and attachments are needed to properly and safely perform the job. Only use accessories and attachments approved by Exmark. • Wear appropriate clothing including safety glasses, Figure 2 substantial footwear, long trousers, and hearing 1.
  • Page 6 Safety DANGER DANGER In certain conditions gasoline is extremely In certain conditions during fueling, static flammable and vapors are explosive. electricity can be released causing a spark which can ignite gasoline vapors. A fire or A fire or explosion from gasoline can burn explosion from gasoline can burn you and you, others, and cause property damage.
  • Page 7 Safety • Never operate the mower with damaged guards, CAUTION shields, or covers. Always have safety shields, guards, switches and other devices in place and in Fuel tank vent is located inside the roll proper working condition. bar tube. Removing or modifying the roll bar could result in fuel leakage and violate •...

  • Page 8: Slope Operation

    Safety • Be aware of the mower discharge path and direct discharge away from others. • Do Not operate the mower under the influence of alcohol or drugs. • Use extreme care when loading or unloading the machine into a trailer or truck. •...

  • Page 9: Maintenance And Storage

    Safety • Disconnect battery or remove spark plug wire WARNING before making any repairs. Disconnect the negative terminal first and the positive last. There is no rollover protection when the roll Reconnect positive first and negative last. bar is down. Wheels dropping over edges, ditches, steep banks, or water can cause •...
  • Page 10 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. •...

  • Page 11: Safety And Instructional Decals

    Exmark equipment dealer or labels. distributor or from Exmark Mfg. Co. Inc. • Replace all worn, damaged, or missing safety • Safety signs may be affixed by peeling off the signs.
  • Page 12 Safety 109-3148 109-7232 1. Fast 3. Neutral 2. Slow 4. Reverse 107-2102 109-7330 107-2112 109-7929...
  • Page 13 Safety 116-0090 109-8483 1. Throttle–fast 3. Choke–on 2. Throttle–slow 4. Choke–off 116-0157 1. See Operator’s manual 116-0165 109-9361 Deck Drive Belt Routing 109-9477 116-0205...
  • Page 14 Safety 117–2718 116-0211 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 116-0752 1. PTO–disengage 2. PTO–engage 1. Latch 2. Unlatch 109-7069...

  • Page 15: Specifications

    Specifications Specifications Model Numbers Serial Nos: 790,000 and Higher LZZ23KC486; LZZ23KA526; LZZ23KC526; LZZ27KC526; LZZ27KC606; LZZ29KA606; LZZ34KA606; LZZ34KA726 Systems – All other engines: 260 CCA • Battery Voltage: 12 Volt Engine • Low Voltage Light — RH control panel • Engine Specifications: See your Engine Owner’s •...

  • Page 16: Hydrostatic Ground Drive System

    – Unlatching position: Deck does not latch at ◊ 280cc Ross geroler motor the transport position. • Hydraulic Oil Type: Exmark Premium Hydro oil. Seat • Hydraulic Oil Capacity: 52 oz (1.5 L) per side • Hydraulic Filter: P/N 116-0164 •...

  • Page 17: Dimensions

    Specifications Dimensions Cutting Deck • Cutting Width: Overall Width: – 48 inch Deck: (121.9 cm) – 52 inch Deck: (132.1 cm) 48 inch Deck 52 inch Deck Without Deck 45.7 inches 45.7 inches – 60 inch Deck: (152.4 cm) (116.1 cm) (116.1 cm) –...

  • Page 18: Curb Weight

    Specifications Accessory Weight Table Worksheet: Tread Width: (Center to Center of Tires, Widthwise) Use the table below to determine if extra weight is required for the unit. Identify the accessories 48 inch Deck 52 inch Deck and correct deck size and place the corresponding Drive Wheels 36.2 inches 36.2 inches...

  • Page 19: Torque Requirements

    Product Overview Product Overview *60 inch units which already have an under toe board mount weight as standard requires 116-1238 front toe board top mount kit instead of 116-1173. Torque Requirements Bolt Location Torque Blade Drive Sheave 90-110 ft-lb (122-149 N-m) Mounting Nut Cutter Housing Spindle 160-185 ft-lb...

  • Page 20: Operation

    Operation Operation 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 Note: Determine the left and right sides of the rear, to the detent, will put the choke in the “OFF”...

  • Page 21: Ignition Switch

    Operation Figure 7 1. Release button 2. Park brake The unit must be tied down and brake engaged when Figure 9 transporting. 1. LCD Indicators 2. Low fuel indicator light Ignition Switch 3. Fuel level bar display 4. Low voltage indicator light Located on right console (see Figure 6).

  • Page 22: Deck Lift Pedal

    Operation Note: The handle must be horizontal and against The fuel level is shown on a bar display. The indicator light appears when the fuel level is low (approximately the stop for operation. one gallon remaining in the tank). Do Not tow machine. Drive Wheel Release Valves PTO Engagement Switch WARNING...

  • Page 23: Pre-Start

    Operation 4. To return to the operate position, raise the roll bar, and then rotate knobs 90° so that the tabs interlock partially. Apply forward pressure to the roll bar upper hoop and observe that the knobs return to the completely latched position. Figure 11 1.

  • Page 24: Starting The Engine

    Operation Open the Fuel Shut-Off Valve DANGER The fuel shut off valve is located behind and below An uncovered discharge opening will allow the seat. Rotate the valve and align with the fuel line objects to be thrown in an operator’s or to open.

  • Page 25: Adjusting The Cutting Height

    Operation Driving the Machine Driving Forward 1. Release the parking brake. CAUTION 2. Move the motion control levers inward to the center to the neutral position. Machine can spin very rapidly by positioning 3. To move forward in a straight line, move both one lever too much ahead of the other.

  • Page 26: Transporting

    Operation 4. Raise and lock the deck to the 5 1/2 inch (14 cm) transport position (Figure 16). The deck is raised by pushing the foot operated deck lift pedal forward. The pedal is located at the front right corner of the floor pan. Note: When changing the cutting height positions, always come to a complete stop and disengage the PTO.
  • Page 27 Operation fasten the machine to the trailer or truck with straps, of individual ramps for each side of the unit. The chains, cable, or ropes. Be sure that the trailer or truck lower rear section of the tractor frame extends back has all necessary lighting and marking as required by between the rear wheels and serves as a stop for law.

  • Page 28: Maintenance

    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 The engine can become very hot. Touching made, someone could start the engine. a hot engine can cause severe burns. Accidental starting of the engine could Allow the engine to cool completely before seriously injure you or other bystanders.

  • Page 29: Periodic Maintenance

    Maintenance Maintenance Service Maintenance Procedure Interval • Change the hydraulic filter and fluid. • Check the wheel hub slotted nut torque specifications. Every 500 hours • Check the wheel lug nuts. • Check the park brake adjustment. • Grease the deck and pump idler pivots. Yearly •...

  • Page 30: Check Mower Blades

    (grass) side of blade. allow a blade or blade component to be thrown out from under the deck resulting in serious personal injury or death. Always install the original Exmark blades, blade bushings, and blade bolts as shown. Check Safety Interlock System...

  • Page 31: Check Rollover Protections Systems (Roll Bar) Knobs

    Replace before Note: If machine does not pass any of these tests, operating if damaged. do not operate. Contact your authorized EXMARK SERVICE DEALER. Check for Loose Hardware Important: It is essential that operator safety...

  • Page 32: Change Engine Oil

    7. If the dipstick oil level is at the “add” mark add around oil filter and unscrew filter to remove. Exmark Premium Hydro oil. Before reinstalling new filter, apply a thin coating of oil on the surface of the rubber seal. Turn 8.

  • Page 33: Check Condition Of Belts

    6. Pack the bearings with a NGLI grade #1 multi-purpose grease. 7. Insert one bearing, one new seal into the wheel. Note: Seals (Exmark P/N 103-0063) must be replaced. 8. If the axle assembly has had both spacer nuts removed (or broken loose), apply a thread locking adhesive to one spacer nut and thread onto the axle with the wrench flats facing outward.

  • Page 34: Lubricate Brake Handle Pivot

    Spin the Service Interval: Every 500 hours caster tire. The tire should not spin freely Note: Only use Exmark Hydro Filter–Part No. (more than 1 or 2 revolutions) or have any side 116-0164 for summer or winter.

  • Page 35: Wheel Hub - Slotted Nut Torque Specification

    Maintenance 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 ft-lb (19 N-m). 9. Fill the hydraulic system as stated in Check Hydraulic Oil Level section.

  • Page 36: Thread Locking Adhesives

    Maintenance Adjustments 3. If any breaks in the screen or welds are observed, replace arrester. Note: Disengage PTO, shut off engine, wait for 4. If plugging of the screen is observed, remove all moving parts to stop, engage parking brake, and arrester and shake loose particles out of the remove key before servicing, cleaning, or making any arrester and clean screen with a wire brush (soak...
  • Page 37 Maintenance 10. Loosen the jam nuts on the top of each deck link. Fine tune the adjuster on the front deck lift assembly by turning it to get 3 inch (7.6 mm) height (see Figure 27). To increase the height, turn the adjuster clockwise; to decrease, turn counterclockwise.

  • Page 38: Deck Removal

    Maintenance Deck Removal Before servicing or removing the deck, the spring loaded deck arms must be locked out. WARNING Deck lift arm assemblies have stored energy. Removing the deck with out releasing the stored energy can cause serious injury or death.

  • Page 39: Pump Drive Belt Tension

    Maintenance 7. Raise the front of the machine and slide the deck 9. Hold the threaded rod end with a tool and loosen left or right to remove. the lock nut away from the standard nut (see Figure 30). Do Not allow the cable to turn when 8.

  • Page 40: Electric Clutch Adjustment

    Maintenance valves must be in the “released” position on the WARNING hydros). Engine must be running and drive wheels 13. If the hub moves very freely relative to the caliper, must be turning so park brake adjustment then tighten the standard nut one turn against the can be performed.

  • Page 41: Motion Control Damper Adjustment

    Maintenance neutral. Any adjustments should be made for neutral positioning only. WARNING Engine must be running and drive wheels must be turning so motion control adjustment can be performed. Contact with moving parts or hot surfaces may cause personal injury. Figure 32 Keep fingers, hands, and clothing clear of 1.

  • Page 42: Motion Control Neutral Lock Pivot Adjustment

    Maintenance Motion Control Neutral Lock Pivot Adjustment The flanged nut can be adjusted to obtain a more desired motion control lever resistance (Figure 34). Figure 35 1. Bolts 4. Nuts 2. Control lever 5. Slotted holes 3. Control arm shaft Figure 34 1.

  • Page 43: Caster Pivot Bearings Pre-Load Adjustment

    Maintenance brake has worn to the point where the clutch no longer engages consistently, the shim can be removed to extend the clutch life. Figure 36 RH Motion Control Shown 1. Screw 3. Motion control lever 2. Cover plate Figure 38 1.
  • Page 44 Maintenance 4. Verify that 12V is present at the clutch connector E. Using a 0.010 inch thick feeler gauge, verify when the PTO switch is engaged. that a gap is present between the rotor and armature face on both sides of the brake pole 5.

  • Page 45: Cleaning

    Maintenance Cleaning Clean Hydro Fan Cooling Guards Clean Engine and Exhaust Service Interval: Before each use or daily System Area Removing debris from the hydro fan cooling guards will allow the hydro system to run cooler and improve Service Interval: Before each use or daily the life of the hydro system.

  • Page 46: Waste Disposal

    Maintenance Waste Disposal CAUTION Raising the mower deck for service or Motor Oil Disposal maintenance relying solely on mechanical Engine oil and hydraulic oil are both pollutants to or hydraulic jacks could be dangerous. The the environment. Dispose of used oil at a certified mechanical or hydraulic jacks may not be recycling center or according to your state and local enough support or may malfunction allowing...

  • Page 47: Troubleshooting

    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.
  • Page 48 Troubleshooting Problem Possible Cause Corrective Action Engine loses power 1. Engine load is excessive 1. Reduce the ground speed. 2. Air cleaner is dirty. 2. Clean or replace the air cleaner element. 3. Oil level in the crankcase is low. 3.
  • Page 49 Troubleshooting Problem Possible Cause Corrective Action Clutch will not engage. 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.

  • Page 50: Schematics

    Schematics Schematics Electrical Diagram WHITE BROWN YELLOW BLUE PINK BLACK GREEN GRAY VIOLET ORANGE PINK PINK BLACK BROWN PINK GREEN...
  • Page 51 Schematics Electrical Logic Schematic START_RELAY KEY_S KEY_A MAGNETO SEAT BRAKE NEUTRAL FUEL_SOLENOID GROUND FUEL...
  • Page 52 Schematics Hydraulic Diagram...
  • Page 53 Commercial Warranty Conditions Exmark Customer Service Department This warranty applies to Exmark Lazer Z and Lazer Z AS turf equipment The Exmark Warranty Company sold in the U.S. or Canada for a period of three years for commercial 2101 Ashland Avenue usage.
  • Page 56 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...

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