Exmark Lazer Z Operator's Manual
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Exmark Lazer Z Operator's Manual

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  • Page 2 Public Resource Code. To acquire a spark arrester for your unit, see your Engine Service Dealer. 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. Exmark, or its distributors and dealers, accept no responsibility for variations which may be evident in the actual specifications of its products and the statements and descriptions contained in this publication.
  • Page 3 UPS, Exmark bills the distributor for parts and shipping charges, where applicable. The customer pays for the part and freight if it is shipped under the Exmark Parts Plus and if it arrives in accordance to the program.
  • Page 4 If additional information is needed, or should you require trained mechanic service, contact your authorized Exmark equipment dealer or distributor. 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.

  • Page 5: Table Of Contents

    TABLE OF CONTENTS 1. SAFETY PAGE Safety Alert Symbol ................1 Training....................1 Preparation ..................1-3 Operation ................... 3-4 Maintenance & Storage..............4-6 Safety Signs..................6-9 2. SPECIFICATIONS Model Numbers................... 10 Engine ....................10 Fuel System..................10 Electrical System ................10-11 Cooling System...................

  • Page 6: Safety Alert Symbol

    RESULT IN PERSONAL INJURY IF PROPER PRECAUTIONS ARE NOT TAKEN. 1.2 TRAINING 1.2.1 Regard the Exmark mower as a piece of power equipment and teach this regard to all who operate this unit. 1.2.2 Read the instructions carefully. Familiarize yourself with the controls and the proper use of the equipment.
  • Page 7 WARNING POTENTIAL HAZARD Engine exhaust contains carbon monoxide, which is an odorless deadly poison. WHAT CAN HAPPEN Carbon monoxide can kill you and is also known to the State of California to cause birth defects. HOW TO AVOID THE HAZARD Do not run engine indoors or in a small confined area where dangerous carbon monoxide fumes can collect.

  • Page 8: Operation

    DANGER POTENTIAL HAZARD In certain conditions gasoline is extremely flammable and highly explosive. WHAT CAN HAPPEN A static charge can ignite gasoline vapors. A fire or explosion from gasoline can burn you, others, and cause property damage. HOW TO AVOID THE HAZARD Purchase and store gasoline only in an approved container.

  • Page 9: Maintenance & Storage

    1.4.5 Use EXTREME caution when backing up. LOOK BEHIND YOU! 1.4.6 Stop the blades when crossing surfaces other than grass and when transporting the mower to and from the area to be mowed. 1.4.7 Never operate the mower with damaged guards, shields, or covers. Always have safety shields, guards, switches, and other devices in place and in proper working condition.
  • Page 10 1.5.3 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 flammable and may result in a fire. 1.5.4 Disconnect the battery cable from the negative battery post when the unit will be allowed to sit for more than 30 days without use.

  • Page 11: Safety Signs

    When new components are installed, be sure that current safety signs are affixed to the replaced components. 1.6.4 New safety signs may be obtained from your authorized Exmark equipment dealer or distributor or from Exmark Mfg. Co. Inc. 1.6.5 Safety signs may be affixed by peeling off the backing to expose the adhesive surface.
  • Page 12 PART NO. 103-0166 LOCATION: LH Side of Console PART NO. 513748 LOCATIONS: -Rubber Heat Shield Behind Seat -Bottom Side of Floorpan PART NO. 103-0210 Serial Nos. 220,000 & Higher LOCATION: RH Side of Console PART NO. 643401 LOCATION: On Tilt Switch PART NO.
  • Page 13 PART NO. 403005 LOCATION: Left and Right Corners of Mower Deck PART NO. 633345 PART NO. 633706 LOCATION: RH Side of Cutting LOCATION: LH Side of Cutting Height Adjustment Plate Height Adjustment Plate PART NO. 513742 LOCATION: Top of Mower Deck Belt Shields, Left and Right Sides PART NO.
  • Page 14 PART NO. 643222 LOCATION: Left of Center on Mower PART NO. 523552 Deck, Under Floor Pan PART NO. 633922 LOCATION: Top of Hydraulic LOCATION: Front Center on Top Reservoir, Under the Seat of Mower Deck Serial Nos. 251,999 and Lower Serial Nos.

  • Page 15: Specifications

    Fuel Filter: Kohler Air-cooled units: In-line 15 Micron Kohler P/N 2405002. Kohler 26 HP EFI units: In-line 22 Micron Exmark P/N 99-9403 (low pressure). In-line 10 Micron Kohler P/N 2405003 (high pressure). Kawasaki Liquid-cooled units: In-line 40 Micron Kawasaki P/N 49019-1055 2.3.4...

  • Page 16: Cooling System

    2.4.6 Fuses: Kohler Air-cooled units –Two 20 amp blade type Kohler 26 HP EFI units – Two 20 amp and one 10 amp blade type Kawasaki 22 & 23 HP Liquid-cooled units – One 20 amp and two 30 amp blade type 2.4.7 Safety Interlock System:...

  • Page 17: Seat

    2.7.3 Armrests: Standard seat: foam padded flip-up armrests. Serial Nos. 252,000 and Higher: Armrests with height adjustment. Optional suspension seat: molded adjustable flip-up armrests. 2.7.4 Seat Safety Switch: Incorporated into the Safety Interlock System. Time delay seat switch eliminates rough ground cut-outs. 2.8 HYDROSTATIC GROUND DRIVE SYSTEM 2.8.1 Hydrostatic Pumps: Two Hydro Gear BDP-10L variable displacement piston pumps.

  • Page 18: Dimensions

    2.10.5 Deck Drive: Electric clutch mounted on horizontal engine shaft. “B” Section belt (with self-tensioning idler) from electric clutch to transfer shaft mounted on deck. Blades are driven by one “B” Section belt (w/self-tensioning idler) from transfer shaft on deck to blade spindles. 2.10.6 Deck: Full floating deck is attached to out-front support frame.

  • Page 19: Torque Requirements

    2.11.6 Curb Weight* Kohler Air-cooled units: Serial Nos. 160,000 & Higher w/52” Deck – 976 lbs. (443.6 kg) Serial Nos. 160,000 –189,999 w/60” Deck – 1000 lbs. (454.5 kg) Serial Nos. 190,000 & Higher w/60” Deck – 1033 lbs. (469.5 kg) Serial Nos.
  • Page 20 IMPORTANT: Make sure the negative battery cables are disconnected and the battery charger used for charging the battery has an output of 16 volts and 7 amps or less to avoid damaging the battery (see chart below for recommended charger settings). Voltage Percent Maximum...
  • Page 21 DANGER POTENTIAL HAZARD Battery electrolyte contains sulfuric acid, which is poisonous and can cause severe burns WHAT CAN HAPPEN Swallowing electrolyte can be fatal or if it touches skin can cause severe burns. HOW TO AVOID THE HAZARD Wear safety glasses to shield eyes, and rubber gloves to protect skin and clothing when handling electrolyte.

  • Page 22: Install Drive Wheels

    23 HP Kawasaki Liquid-Cooled and 26 HP Kohler EFI units: Connect battery cables - positive (red) cable and red wire to the positive battery terminal first, then the negative (black) cable and white/white wire to the negative battery terminal. Slip insulator boot over the positive terminal. NOTE: If time does not permit charging the battery, or if charging equipment is not available, follow steps 3.2.1 through 3.2.4 and install as described in 3.2.7.

  • Page 23: Install Canister Air Cleaner (Kohler 26 Hp Efi Only)

    FIG. 2 LEVER ALIGNMENT 3.7 INSTALL CANISTER AIR CLEANER. (Kohler 26 HP EFI units only) a) Remove air cleaner (with bracket attached) from crate. Keep air cleaner and mounting bracket together. b) Remove the top two valve cover mounting screws from both left and right side engine valve covers.

  • Page 24: Position Discharge Chute

    Install the left motion control lever onto the control arm shaft (See Fig.4) on the left side of the console. Place the lever (with the mounting plate towards the rear) on the outside of the control arm shaft and secure with the bolts and washers.

  • Page 25: Service Hydraulic Oil

    CAUTION POTENTIAL HAZARD Engine coolant is toxic. WHAT CAN HAPPEN Swallowing coolant can cause poisoning. HOW TO AVOID THE HAZARD Do not swallow Keep out of reach of children and pets. With machine on level surface and with cool engine, remove radiator cap (under hood) and add a 50/50 mix of water and engine coolant (as specified in Section 2.5.2) until liquid level is as high as possible without overflowing.
  • Page 26 By moving both levers an equal amount forward or back from the neutral position the machine can be caused to move forward or backward in a straight line. Movement of the left lever forward will cause the left drive wheel to rotate in a forward direction.

  • Page 27: Controls

    4.1.7 Ignition Switch: Located on the lower center of console. The ignition switch is used to start and stop the engine. The switch has three positions “OFF”, “ON” and “START”. Insert key into switch and rotate clockwise to the “ON” position. Rotate clockwise to the next position to engage the starter (key must be held against spring pressure in this position).

  • Page 28: Mowing

    IMPORTANT: The fuel system for Kohler 26 HP EFI units must be purged of all air prior to start up if the engine has been allowed to run out of gas or the system has been disassembled. See Section 5.1.24 for fuel priming (air purging) instructions.

  • Page 29: Transporting

    Close fuel shut-off valve when machine will not be used for a few days, when transporting, and when the unit is parked inside a building. 4.4 TRANSPORTING 4.4.1 Transporting a Unit: Use a heavy-duty trailer or truck to transport the machine. Lock brake and block wheels.

  • Page 30: Maintenance & Adjustments

    Ramp should be long enough so that the angles between the ramp and the ground and the ramp and the trailer or truck do not exceed 15 . A steeper angle may cause mower deck components to get caught as the unit moves from ramp to trailer or truck.
  • Page 31 WARNING POTENTIAL HAZARD Engine coolant is hot and pressurized. Radiator and surrounding parts are hot. WHAT CAN HAPPEN Spray or steam from hot, pressurized liquid in the engine cooling system and touching a hot radiator may cause severe burns. HOW TO AVOID THE HAZARD Allow the engine to cool completely before removing the radiator cap or servicing any component of the cooling system.
  • Page 32 5.1.4 Clean engine cooling system: Service Interval: Daily or more often in dry conditions CAUTION POTENTIAL HAZARD Excessive debris and damaged or missing rubber baffles can cause the engine and hydraulic system to overheat. WHAT CAN HAPPEN Excessive debris around the engine cooling air intake and inside of the pump drive belt compartment can create a fire hazard.
  • Page 33 Clean out any grass build-up from underside of deck and in discharge chute. 5.1.6 Check mower blades. Service Interval: Daily Stop engine and remove key. Lift deck and secure in raised position as stated in Section 5.1.5. Inspect blades and sharpen or replace as required. Torque blade bolts as shown.
  • Page 34 NOTE: If machine does not pass any of these tests, do not operate. Contact your authorized EXMARK SERVICE DEALER. IMPORTANT: It is essential that operator safety mechanisms be connected and in proper operating condition prior to use for mowing.
  • Page 35 5.1.10 Change engine oil: Service Interval: 100 hrs. NOTE: Change oil and filter after first five (5) hrs. of operation. Stop engine and remove key. For Kawasaki Liquid-Cooled units – tilt seat up and tilt hood forward to gain access to the engine area. Drain oil while engine is warm from operation.
  • Page 36 Drain coolant when engine is cool. Coolant may be drained from the radiator by loosening the drain cock in the right rear corner. The engine block may be drained by removing the rear radiator hose and/or by removing the drain plugs from the engine block.
  • Page 37 5.1.12 Check hydraulic oil level: Service Interval: 40 hr. Stop engine. Tilt seat up. Clean area around hydraulic reservoir cap and remove cap. Oil level should be to the top of the baffle inside the tank. If not, add oil. Use only Mobil 1 15W-50 synthetic motor oil.
  • Page 38 Pack the bearings with a SAE #2 multi-purpose gun grease. Insert (1) bearing, (1) new seal, and (1) bearing spacer . NOTE: Seals (Exmark PN 103-0063) must be replaced. Insert Caster Spacer. With open end of wheel up, fill area inside wheel around caster spacer with gun grease.
  • Page 39 IMPORTANT: To prevent seal and bearing damage, check the bearing adjustment often. Spin the caster tire. The tire should not spin freely (more than 1 or 2 revolutions) or have any side play. If the wheel spins freely adjust per step i). 5.1.17 Lubricate seat switch actuator: (All units except for Kohler 26 HP EFI) Service Interval: 160 hrs.
  • Page 40 Note: For Kohler 26 HP EFI units use only high pressure clamps and SAE R7 or R9 hose available from Exmark or Kohler. Clamps require special pliers P/N 643394 (Oetiker P/N 14100118 or Kohler P/N 2445505) for installation.
  • Page 41 Change hydraulic system filter: Service Interval: After First 250 hrs. Then yearly thereafter NOTE: Use only Exmark Part No. 513211 for summer use above 32 F or Part No. 523541 for winter use below 32 F. Stop engine and remove key.

  • Page 42: Adjustments

    If more than two threads (0.1”) are showing remove nut and install washer (PN 523157) between hub and nut. Torque the slotted nut to 125 ft. lbs. Then tighten nut until the next set of slots line up with the cross hole in shaft. Replace cotter pin.
  • Page 43 Insert height adjustment pin into hole corresponding to desired cutting height and install hairpin cotter. See decals on the sides of deck lift plate. Move lever out of transport (or 5” cutting height) position and down onto height adjustment pin to mow at selected height. To transport, move lever back up to transport (or 5”...
  • Page 44 Adjust the two (2) rear upper chain attachment bolts in the slots to take the slack out of the chains. (Deck is still supported by wood blocks under the caster roller brackets). Tighten hardware on the rear chains. Adjust the two (2) front upper chain attachment bolts in the slots to take the slack out of the chains.
  • Page 45 FIG. 12 MULE DRIVE BELT ADJUSTMENT 5.2.5 Deck Belt Tension. The deck belt is tensioned by a self-tensioning idler, no adjustment is necessary. 5.2.6 Alternator belt tension. (Kawasaki Liquid-cooled units only) Stop engine and remove key. To tighten alternator belt, loosen both upper and lower alternator mounting bolts.
  • Page 46 FIG. 13 BELT GUIDE POSITIONING There is a stationary belt guide at the rear center of the deck. Adjust to where shank of bolt is 1/4” away from the edge of the sheave. Note: Bolt head is above belt. 5.2.9 Brake Link Adjustment.
  • Page 47 Tension in throttle lever can be adjusted by adjusting the tightness of the lever pivot bolt, which is located under the console (See Figure 15). FIG. 15 THROTTLE TENSION 5.2.12 Electric Clutch Adjustment: Determine the brand of clutch installed on your unit. Ogura clutches can be identified by 3 bolts with springs.
  • Page 48 5.2.14 Motion control linkage adjustment. WARNING POTENTIAL HAZARD Engine must be running and drive wheels must be turning so motion control adjustment can be performed. WHAT CAN HAPPEN Contact with moving parts or hot surfaces may cause personal injury. HOW TO AVOID THE HAZARD Keep fingers, hands, and clothing clear of rotating components and hot surfaces.

  • Page 49: Waste Disposal

    Start engine. Brake must be engaged and motion control levers out to start engine. Operator does not have to be in the seat because of the jumper wire being used. Run engine at full throttle and release brake. The reverse indicator spring must be correct before the following adjustments can be made.

  • Page 50: Engine Coolant Disposal

    Return the switch to your Exmark dealer if it is faulty and is being replaced or if the unit containing the switch is no longer operating and is being scrapped. If the switch is damaged or broken open use extreme caution in handling.

  • Page 51: Battery Disposal

    6.4 BATTERY DISPOSAL DANGER POTENTIAL HAZARD Battery electrolyte contains sulfuric acid, which is poisonous and can cause severe burns WHAT CAN HAPPEN Swallowing electrolyte can be fatal or if it touches skin can cause severe burns. HOW TO AVOID THE HAZARD Wear safety glasses to shield eyes, and rubber gloves to protect skin and clothing when handling electrolyte.

  • Page 52: Engine Error Codes

    NOTE: After carefully checking the above steps, attempt to start the engine. If it does not start, contact your authorized Exmark service dealer. IMPORTANT: It is essential that all operator safety mechanisms be connected and in proper operating condition prior to mower use.

  • Page 53: Electrical Diagrams

    8. ELECTRICAL DIAGRAM – KOHLER 18, 22, 23, & 25 HP AIR-COOLED UNITS Serial Nos. 251,999 and Lower - 48 -...

  • Page 54: Kohler 23/25 Air-Cooled Units Electrical Diagram

    ELECTRICAL DIAGRAM – KOHLER 23 & 25 HP AIR-COOLED UNITS Serial Nos. 252,000 and Higher - 49 -...

  • Page 55: Kawasaki Liquid-Cooled Units Electrical Diagram

    ELECTRICAL DIAGRAM – KAWASAKI LIQUID-COOLED UNITS - 50 -...

  • Page 56: Kohler 26 Efi Units Electrical Diagram

    ELECTRICAL DIAGRAM – KOHLER 26 HP EFI UNITS Serial Nos. 251,999 and Lower - 51 -...

  • Page 57: Electrical Diagrams

    ELECTRICAL DIAGRAM – KOHLER 26 HP EFI UNITS Serial Nos. 252,000 and Higher - 52 -...

  • Page 58: Hydraulic Diagram

    9. HYDRAULIC DIAGRAM - 53 -...

  • Page 59: Warranty

    Exmark; (vi) repair or replacement arising as a result of any operation from turf equipment that has been altered or modified so as to, in the determination of Exmark or Exmark Warranty Company, adversely affect the operation, performance or durability of the equipment or that has altered, modified or affected the turf equipment so as to change the intended use of the product;...

  • Page 60: Warranty

    Exmark Warranty Company, within the prescribed time, the Exmark warranty registration. The sole liability of Exmark and Exmark Warranty Company with respect to this warranty shall be repair and replacement as set forth herein. Neither Exmark nor Exmark Warranty Company shall have any liability for any other cost, loss or damage, including but not limited to, any incidental or consequential loss or damage.
  • Page 61 NOTES - 56 -...

  • Page 62: Service Record

    SERVICE RECORD Date Description of Work Done Service Done By - 57 -...
  • Page 63 - 58 -...

  • Page 64: Grass Catcher

    State of California to cause cancer, birth defects, or other reproductive harm. ©1997,1998,1999, 2000 PART NO. 103-0494 EXMARK MFG. CO. INC. (402) 223-6300 INDUSTRIAL PARK BOX 808 FAX (402) 223-5489 BEATRICE, NE 68310 ALL RIGHTS RESERVED PRINTED IN U.S.A.

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