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

Exmark LAZER Z Operator's Manual

96 inch gas models
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LAZER Z
®
96 INCH GAS MODELS
For Serial Nos.
417,930,746 & Higher
Part No. 4507-395 Rev. A

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Summary of Contents for Exmark LAZER Z

  • Page 1 LAZER Z ® 96 INCH GAS MODELS For Serial Nos. 417,930,746 & Higher Part No. 4507-395 Rev. A...
  • Page 2 To acquire a spark arrester for your unit, see your Engine Service Dealer. For all models that do not have Exmark engines, please refer to the engine manufacturer's information included with the machine. For models with Exmark engines, refer to this manual for information.

  • Page 3: Introduction

    Introduction Service Dealer or Exmark Customer Service and have the model and serial numbers of your product ready. CONGRATULATIONS on the purchase of your Figure 1 identifies the location of the model and serial Exmark Mower. This product has been carefully numbers on the product.

  • Page 4: Table Of Contents

    Contents Copper-Based Anti-seize .......50 Dielectric Grease..........50 Adjustments ............51 Introduction ............3 Deck Leveling ..........51 Safety ..............5 Pump Drive Belt Tension........53 Safety Alert Symbol ......... 5 Deck Belt Tension ..........53 General Safety ..........5 Adjusting the Parking Brake......53 Safety and Instructional Decals ....... 6 Electric Clutch Adjustment......54 Specifications ............13 Motion Control Linkage Adjustment ....56...

  • Page 5: Safety

    Safety Safety General Safety This machine is capable of amputating hands and Safety Alert Symbol feet and of throwing objects. Always follow all safety instructions to avoid serious personal injury or death. This Safety Alert Symbol (Figure 2) is used both in •...

  • Page 6: 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 7 Safety decal109-6036 109-6036 1. Read the Operator’s Manual 2. Remove the ignition key and read the instructions before servicing or performing maintenance. 3. Height of cut decal107-3069 decal112-9028 107-3069 112-9028 1. Warning-there is no rollover protection when the roll bar 1.
  • Page 8 Safety decal116-8283 116-8283 decal126-8597 126-8597 1. Warning—read the Operator's Manual for instructions on torquing the blade bolt/nut to 55-60 ft-lb (75-81 N-m). 1. Height of cut 2. Range adjustment decal116-8726 116-8726 1. Read the Operator’s Manual for recommended hydro oil. decal126-8760 126-8760 1.
  • Page 9 Safety decal133-8062 133-8062 decal135-1097 135-1097 1. Front of deck decal135-0664 135-0664 1. Thrown object 2. Cutting/dismemberment hazard—keep of hand and feet—stay bystanders away. away from moving parts; keep all guards and shields in place. decal135-1432 135-1432 decal135-0670 135-0670 1. Crushing hazard, hand - 2.
  • Page 10 Safety decal146-5612 146-5612 1. Height of cut 2. Range adjustment decal135-4573 135-4573 1. Engine–off 4. Push top of button to lower deck 2. Engine–on 5. Push bottom of button to raise deck 3. Engine–start decalptoswitch PTO Switch Symbols 1. PTO Engaged 2.
  • Page 11 Safety decal132-0871 132-0871 This machine complies with the industry standard stability test in the static lateral and longitudinal tests with the maximum recommended slope indicated on the decal. It is important that each operator review the slope operation instructions in the operator’s manual and review the conditions in which the machine is being operated to determine if the machine may be operated in the conditions that day and on that site.
  • Page 12 Safety decal142-2935 142-2935 1. Read the instructions before servicing or performing 5. Check the tire pressure (2 locations). maintenance. 2. Time interval 6. Grease the idler pivots; refer to the Operator's Manual for further instructions (4 locations). 3. Check the engine-oil level. 7.

  • Page 13: Specifications

    • Low Voltage Light/Error Message — RH control panel • Engine Specifications: See your Engine Owner’s Manual • Polarity: Negative Ground • Engine Oil Type: Exmark 4–Cycle Premium • Fuses: Engine Oil – 20 amp main fuse • RPM: – 50 amp charging system fuse RPM ±100...

  • Page 14: Hydrostatic Ground Drive System

    – 16cc Parker axial piston pump • Blade Size: (4 ea.) 24.50 inches (62.2 cm) – 310cc Parker geroler motor • Hydraulic Oil Type: Exmark Premium Hydro Oil. • Blade Spindles: Solid steel spindles with .984 inch (25 mm) I.D. bearings.

  • Page 15: Dimensions

    Specifications Dimensions Curb Weight: Models with 96 Inch Rear 2240–2290 lb Overall Width Discharge Decks (1016–1039 kg) 96 inch Deck (Working 96 inch Deck (Transport width) width set at 3 inch height Torque Requirements of cut) Bolt Location Torque 101.3 inches (257.3 cm) 72.5 inches (184.2 cm) Blade Drive Sheave 130-160 ft-lb...

  • Page 16: Product Overview

    Operation Product Overview Operation Note: Determine the left and right sides of the machine from the normal operating position. Controls Become familiar with all the controls before starting the engine and operating the machine. Motion Control Levers The motion control levers located on each side of the console control the forward and reverse motion of the machine.
  • Page 17 Operation g293091 Figure 5 1. RED Equipped Logic 4. Deck lift switch-Wing Display Unit (LDU) deck models only (also folds wings) 2. PTO engagement switch 5. Audible alarm 3. Ignition switch g008593 Figure 4 The RED Equipped Logic Display Unit (LDU) monitors and displays machine system information.
  • Page 18 Operation counters, modify system settings, and troubleshoot • Continuous sound indicates critical errors. the equipment. • Chirping sound indicates less critical errors, such as required maintenance or service intervals. RED Equipped Information Screen Refer to the RED Equipped User’s Guide for Located at the top of the LDU, above the push more information.

  • Page 19: Drive Wheel Release Valves

    Operation Drive Wheel Release Valves disengaged to start engine. (It is not necessary for the operator to be in the seat to start the engine.) WARNING Note: The LCD indicators appear when each control Hands may become entangled in the rotating meets the “safe to start”...

  • Page 20: Before Operation

    Do not operate the machine unless they are in proper working condition. Replace worn or Low Voltage Error deteriorated parts with genuine Exmark parts when necessary. A message will display on the information screen of the RED Equipped LDU of the RH console.

  • Page 21: Fuel Safety

    Operation off the machine and attachment(s) if anyone – When practical, remove gas-powered enters the area. equipment from the truck or trailer and refuel the equipment with its wheels on the • Do Not operate the machine without the entire ground.

  • Page 22: Operating Instructions

    Operation Operating Instructions • Be aware of the mower discharge path and direct discharge away from others. Avoid discharging material against a wall or obstruction as the During Operation Safety material may ricochet back toward the operator. Stop the blades, slow down, and use caution General Safety when crossing surfaces other than grass and when transporting the mower to and from the area to...

  • Page 23: Slope Safety

    Operation been given rides in the past could suddenly appear in the working area for another ride and be run over or backed over by the machine. • Do not use the machine as a towing vehicle unless it has a hitch installed. Attach towed equipment to the machine only at the hitch point.

  • Page 24: Starting The Engine

    Operation Raise the Rollover Protection System (ROPS) Important: The roll bar is an integral and effective safety device. Keep the roll bar in the raised and locked position when operating the mower. Lower the roll bar temporarily only when absolutely necessary. The knob must be completely latched with the tabs interlocking as shown in Figure 10 to lock g450218...

  • Page 25: Engaging The Pto

    Operation Remove the clevis pin and hairpin that secures DANGER each wing in the up position. Place them in the An uncovered discharge opening will allow storage location shown in Figure 12. objects to be thrown in an operator’s or bystander’s direction.

  • Page 26: Driving The Machine

    Operation Driving the Machine CAUTION Machine can spin very rapidly by positioning one lever too much ahead of the other. Operator may lose control of the machine, which may cause damage to the machine or injury. • Use caution when making turns. •...
  • Page 27 Operation g016947 Figure 15 g008593 Figure 14 To turn left or right, pull the motion control lever back toward neutral in the desired turn direction. 1. Neutral lock position 4. Forward (handles out) The machine will move faster the farther the 2.

  • Page 28: Adjusting The Cutting Height

    Operation 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.

  • Page 29: Adjusting The Anti-Scalp Rollers

    Operation g035118 Figure 19 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 2. Cutting height mounting bracket g295444 Figure 18 For Maximum Deck Flotation, place the rollers one hole position lower.

  • Page 30: After Operation

    Operation Knowing this information could help you, your family, pets, or bystanders avoid injury. To transport the machine: • Lock the brake and block the wheels. • Be sure the fuel shut-off valve is closed. • Securely fasten the machine to the trailer or truck with straps, chains, cable, or ropes.
  • Page 31 Operation WARNING Loading a machine onto a trailer or truck increases the possibility of tip-over and could cause serious injury or death. • Use extreme caution when operating a machine on a ramp. g028043 Figure 23 • Ensure that the ROPS is in the up position 1.

  • Page 32: Towing The Machine

    Operation • Never allow children or others in or on towed equipment. • On slopes, the weight of the towed equipment may cause loss of traction, increased risk of rollover, and loss of control. Reduce the towed weight and slow down. •...

  • Page 33: Maintenance

    Exmark parts could lead to serious Use only approved fuel lines and fuel filters injury or death. Unauthorized changes to the for high pressure systems.

  • Page 34: Recommended Maintenance Schedule(S)

    Maintenance • Keep your hands and feet away from moving parts or hot surfaces. If possible, do not make adjustments with the engine running. • Keep all parts in good working condition and all hardware tightened, especially the blade-attachment hardware. Recommended Maintenance Schedule(s) Maintenance Service Maintenance Procedure...

  • Page 35: Periodic Maintenance

    If the oil level is low, wipe off the area around the oil fill cap, remove cap and fill to the “FULL” mark on the dipstick. Exmark 4-Cycle Premium Engine Oil is recommended; refer to the Engine Owner's manual for an appropriate API rating and viscosity.

  • Page 36: Recommended Jump Starting Procedure

    Maintenance DANGER Voltage Percent Maximum Charging Reading Charge Charger Interval Battery electrolyte contains sulfuric acid, which Settings is poisonous and can cause severe burns. 1 Hour 12.2 – 12.4 50–75% 16 volts/7 Swallowing electrolyte can be fatal or if it touches amps skin can cause severe burns.
  • Page 37 Maintenance 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 electrical and/or EFI system. Be certain of battery terminal polarity and jumper cable polarity when hooking up batteries.

  • Page 38: Check Mower Blades

    Install bushing/blade assembly into spindle. Always install the original Exmark blades, Make sure the splines on the bushing are blade bushings, and blade bolts as shown. engaged in the spindle before tightening the...

  • Page 39: Check Safety Interlock System

    Maintenance Check Safety Interlock System Service Interval: Before each use or daily Important: It is essential that operator safety mechanisms be connected and in proper operating condition prior to use. Note: If machine does not pass any of these tests, Do Not operate. Contact an Authorized Service Dealer. Note: To prevent engine cut-outs on rough terrain, the seat has a 1/2 second time delay before the engine begins to shutdown.
  • Page 40 Maintenance Check Engine Starting Circuit Chart Note: In the Check Engine Starting Circuit Chart, the state of system item that is bold is being checked in each scenario. System Parking Brake Motion Control Levers Operator Outcome (Blades) Engaged Disengaged Right lever moved in. Operator Starter must in seat...
  • Page 41 Maintenance Check Shutdown Circuit Chart Note: The state of system item(s) that is bold is being checked in each scenario. System Engine Parking Motion Control Operator Outcome Brake (Blades) Levers Running idle Disengaged Disengaged Both levers moved out Raise off Engine must (1/3 throttle) (neutral lock)
  • Page 42 Maintenance Check Shutdown Circuit Chart (continued) System Engine Parking Motion Control Operator Outcome Brake Levers (Blades) Running idle Disengaged Engaged Both levers moved Operator in seat PTO must begin (1/3 throttle or and Deck out (neutral lock) shutdown within efficient mode) wings up 1 second;...

  • Page 43: Check Rollover Protections Systems (Roll Bar) Knobs

    Maintenance Check Rollover Protections Disengage the PTO and shut off the engine. Systems (Roll Bar) Knobs Remove and retain the clevis pins and hairpins from each wing deck storage location. Service Interval: Before each use or daily Be sure that all persons are clear of the deck wings. Check that both the mounting hardware and the Press and hold the top of the deck control switch;...
  • Page 44 Maintenance g514263 Figure 33 1. Pivot pin bolt 3. Lug nut 2. Lower flanged bushing 4. Upper flanged bushing ® Apply a thin bead of Loctite 680 to the entire circumference of the rear edge of the new bushings. Insert and gently tap the new bushings into the g350948 opening and properly seat them into place.

  • Page 45: Check Seat Belt

    Maintenance Stop engine, wait for all moving parts to stop, and remove key. Engage parking brake. Visually inspect machine for any loose hardware or any other possible problem. Tighten hardware or correct the problem before operating. Service Air Cleaner Service Interval: Every 100 hours—Clean or Replace (if necessary) the primary air cleaner element —...

  • Page 46: Change Engine Oil

    Exmark Ruby Tran ™ oil. Before reinstalling new filter, apply a thin coating of Exmark 4–Cycle Premium Engine oil on the Replace hydraulic reservoir cap and tighten until surface of the rubber seal. Turn filter clockwise snug. Do Not overtighten.

  • Page 47: Check Hydraulic Oil Level

    Locations Pumps Places Interval If the dipstick oil level is at the “add” mark add Yearly 1. Deck and Exmark Premium Hydro Oil. Pump Idler Pivots Replace hydraulic reservoir cap and tighten until snug. Do Not overtighten. 2. Caster *Yearly...

  • Page 48: Lubricate Caster Wheel Hubs

    Pack the bearings with a NLGI grade #1 multi-purpose grease. Insert one bearing, one new seal into the wheel. Note: Seals (Exmark P/N 103-0063) must be replaced. 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 49: Check Spark Plugs

    Before installing the new filters, apply a thin coat of Exmark Premium Hydro Oil on the surface Unlatch the hood and lift it up to access the oil of the two rubber seals.

  • Page 50: Wheel Hub-Slotted Nut Torque Specification

    “Fel-Pro, Pro-Lock Nut Type” are used on the Reinstall the power unit if it was removed to drain. following fasteners: ™ Add Exmark Ruby Tran oil, approximately 24 • ROPS spring pin housing. oz (710 ml) and replace cap.

  • Page 51: Adjustments

    Maintenance Adjustments Insert the height adjustment pin into the 4 inch (102 mm) cutting height location and reinstall the Note: Disengage PTO, shut off engine, wait for lynch pins. all moving parts to stop, engage parking brake, and Lock the left and right wing deck cam locks. remove key before servicing, cleaning, or making any Start engine.
  • Page 52 Maintenance Adjusting the Center Deck the deck is too high, loosen the single point adjustment bolt by rotating it counterclockwise. Adjust the height — to increase, turn the Loosen the front and rear height of cut plate adjuster screw clockwise; to decrease, turn mounting bolts.

  • Page 53: Pump Drive Belt Tension

    Maintenance should be adjusted 1/4 inch (6.4 mm) higher than lightly touch the ground with minimal pressure. the front. Tighten all four rear hanger mount points (item 1, Figure 43). The left and right wing decks have blade height adjustments with front and rear adjust points. To Retighten the front and rear height of cut hanger adjust the wing blade height, first loosen the front jam nuts.

  • Page 54: Electric Clutch Adjustment

    No adjustment necessary. However, when the clutch to ensure proper brake torque. brake has worn to the point where the clutch no longer engages consistently, the shim can be removed to extend the clutch life (not applicable for Lazer Z E-Series with 48 inch decks).
  • Page 55 Maintenance g011735 Figure 48 g011734 Figure 46 1. Feeler gauge 1. Brake mounting bolt 2. Shim • If the gap is less than 0.010 inch, then Using needle nose pliers, or by hand, take reinstall the shim and reference the hold of the tab and remove the shim (Do Not Troubleshooting section.

  • Page 56: Motion Control Linkage Adjustment

    Maintenance Motion Control Linkage Adjustment Located on either side of the fuel tank, below the seat are the pump control linkages. Rotating the pump linkage with a 1/2 inch wrench allows fine tuning adjustments so that the machine does not move in neutral.

  • Page 57: Motion Control Neutral Lock Pivot Adjustment

    Maintenance Motion Control Handle Adjustment Adjusting the height: The motion control levers can be adjusted higher or lower for maximum operator comfort. Remove the two bolts holding the control lever to the control arm shaft (Figure 52). g008620 Figure 50 RH Motion Control Shown 1.

  • Page 58: Motion Control Full Forward Tracking Adjustment

    Maintenance Motion Control 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. Loosen the screws on a cover plate (see Figure 53). Slide the cover plate backward or forward to adjust the travel of the lever and tighten the screws.

  • Page 59: Cleaning

    Maintenance Cleaning CAUTION Excessive debris around engine cooling air intake and exhaust system area can cause engine, Cleaning and Storing Safety exhaust area, and hydraulic system to overheat • Park machine on level ground, disengage drives, which can create a fire hazard. set parking brake, stop engine, and remove key.

  • Page 60: Clean Grass Build-Up Under Deck

    Maintenance Clean Grass Build-Up Under Deck Service Interval: Before each use or daily Stop engine, wait for all moving parts to stop, and remove key. Engage parking brake. Raise deck to the transport (5 1/2 inch (14 cm) cutting height) position. Lift the front of unit and support unit using jack stands or equivalent support.

  • Page 61: 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 62 Troubleshooting Problem Possible Cause Corrective Action Oil temperature light is on and engine RPM 1. Engine Control Unit has limited engine 1. Check oil level. If level is above “add”, is low RPMs, known as “limp” mode. contact an Authorized Service Dealer. Remove debris from hood and oil cooler.
  • Page 63 Troubleshooting Problem Possible Cause Corrective Action Blades do not rotate. 1. Deck belt is worn, loose or broken. 1. Install new deck belt. 2. Deck belt is off pulley. 2. Install belt on clutch and deck pulleys, idlers, and tensioning idler per routing decal on deck.

  • Page 64: Schematics

    Schematics Schematics Electrical Logic Schematic g521458...

  • Page 65: Hydraulic Diagram

    Schematics Hydraulic Diagram g008623...
  • Page 66 Schematics Wing Deck Lift Hydraulic Diagram g521363...

  • Page 67: Information

    While the exposure from Exmark products may be negligible or well within the “no significant risk” range, out of an abundance of caution, Exmark has elected to provide the Prop 65 warnings. Moreover, if Exmark does not provide these warnings, it could be sued by the State of California or by...
  • Page 68 Notes:...

  • Page 69: Service Record

    Service Record Date: Description of Work Done: Service Done By:...
  • Page 71 g011841 Figure 55 This page may be copied for personal use. 1. The maximum slope you can 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.
  • Page 72 Label Here (Included in the Literature Pack) or Fill in Below Engine Model No. and Spec. No. Model No. Engine Serial No. (E/No) Serial No. ©2024 Exmark Mfg. Co., Inc. Part No. 4507-395 Rev. A 415 Industrial Row (402) 223-6300 Beatrice, NE 68310 *4507-395* A...