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

Exmark LAZER Z LPG Operator's Manual

Lazer z lpg series
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LAZER Z
LPG
®
MODELS
For Serial Nos.
850,000 & Higher
Lazer Z (LP Units)
Part No. 4500-645 Rev. A

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Summary of Contents for Exmark LAZER Z LPG

  • Page 1 LAZER Z ® MODELS For Serial Nos. 850,000 & Higher Lazer Z (LP Units) Part No. 4500-645 Rev. A...
  • 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 Adjusting the Parking Brake......45 Electric Clutch Adjustment......46 Motion Control Linkage Adjustment ..... 48 Introduction ............3 Motion Control Damper Adjustment..... 49 Safety ..............5 Motion Control Neutral Lock Pivot Safety Alert Symbol ......... 5 Adjustment ..........49 Safe Operating Practices ........

  • Page 5: Safety

    Only use accessories and attachments approved by Exmark. Safe Operating Practices • Wear appropriate clothing including safety glasses, substantial footwear, long trousers, and hearing Training protection.
  • Page 6 Safety CAUTION DANGER This machine produces sound levels in LPG fuel is extremely flammable and vapors excess of 85 dBA at the operator’s ear and are explosive. can cause hearing loss through extended A fire or explosion from LPG fuel can burn periods of exposure.
  • Page 7 Safety DANGER DANGER LPG fuel is extremely flammable and vapors LPG vapors and liquid escaping from the are explosive. tank may cause serious injury or death. Vapors or liquid may cause suffocation, • In case of fire take the following steps: freezing of tissue, or frostbite.
  • Page 8 Safety – The LPG tank should be free of dents or so, remove the tank from your mower; damage. If the tank show signs of dents or otherwise, contact trained and qualified damage, replace it immediately. personnel immediately. – Check the valve and fitting openings for dirt ◊...

  • Page 9: Slope Operation

    Safety WARNING WARNING Engine exhaust contains carbon monoxide, Hands, feet, hair, clothing, or accessories can which is an odorless deadly poison that can become entangled in rotating parts. Contact kill you. with the rotating parts can cause traumatic amputation or severe lacerations. Do Not run engine indoors or in a small •...
  • Page 10 Safety • Watch for ditches, holes, rocks, dips and rises that DANGER change the operating angle, as rough terrain could overturn the machine. Operating on wet grass or steep slopes can cause sliding and loss of control. Wheels • Avoid sudden starts when mowing uphill because dropping over edges, ditches, steep banks, or the mower may tip backwards.

  • Page 11: Maintenance And Storage

    Safety driving under any objects and Do Not contact • Disconnect battery or remove spark plug wire them. before making any repairs. Disconnect the negative terminal first and the positive last. • In the event of a rollover, take the unit to an Reconnect positive first and negative last.
  • Page 12 Failure the hydraulic system. to use original Exmark parts could cause serious injury or death. Replace all parts including, but not limited to tires, belts, and blades with original Exmark...

  • Page 13: 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 14 Safety 109-3148 109-7232 1. Fast 3. Neutral 2. Slow 4. Reverse 107-2102 109-7330 107-2112 109-7929...
  • Page 15 Safety 116-0157 1. See Operator’s manual 109-9361 Deck Drive Belt Routing 116-0205 116-0211 109-9875...
  • Page 16 Safety 117-2718 116-0752 1. Latch 2. Unlatch Hour Message Display 1. Hour Meter 4. Neutral 2. PTO 5. Operator’s presence 116-1714 switch 3. Parking Brake 6. Battery 116-2643 PTO Switch Symbols 1. PTO–disengage 2. PTO–engage 116-3261 1. Throttle - fast 2.
  • Page 17 Safety 109-7069 109-9906...

  • Page 18: Specifications

    Safety Interlock System qualified personnel. • LCD indicators appear for the PTO, park brake, • Only use tanks recommended by Exmark. Failure drive levers, and operator presence in the message to do so will result in improper operation of the display on the RH control panel.
  • Page 19 ◊ 240cc Parker geroler motor – LZAS-LP Units: Standard seat with high • Hydraulic Oil Type: Exmark Premium Hydro oil. back, extra wide foam padded seat cushion with internal suspension, thick bolstering, • Hydraulic Oil Capacity: 52 oz (1.5 L) per side armrests, integral safety switch.

  • Page 20: Dimensions

    Specifications Tires & Wheels protection. Deck design allows for bagging, mulching or side discharge. Drive – 60 inch Deck: 4 anti-scalp rollers Pneumatic (Air filled) – 72 inch Deck: 4 anti-scalp rollers Quantity • Deck Depth: Tread “Multi-Trac C/S” Size 24 x 12.00-12 –...

  • Page 21: 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 60 inch Deck 72 inch Deck and correct deck size and place the corresponding values in the Accessory Score column.

  • Page 22: Torque Requirements

    Product Overview Torque Requirements Product Overview Bolt Location Torque Blade Drive Sheave Mounting Nut 90-110 ft-lb (122-149 N-m) LZZ-LP Units: 140-145 ft-lb (190-197 LZAS-LP Units: N-m) Cutter Housing Spindle 160-185 ft-lb Nut (LZZ-LP Units Only) (217-251 N-m) Blade Mounting Bolt 55-60 ft-lb (75-81 N-m) (lubricate with anti-seize) Anti-Scalp Roller Hex...

  • Page 23: Operation

    Operation Operation The throttle is used to control engine speed. Moving the throttle lever forward will increase engine speed and moving the throttle lever to the rear will decrease Note: Determine the left and right sides of the engine speed. Moving the throttle forward into the machine from the normal operating position.

  • Page 24: Ignition Switch

    Operation Figure 7 1. Release button 2. Park brake Figure 9 The unit must be tied down and brake engaged when 1. LCD Indicators transporting. 2. Low voltage indicator light 3. Hour/Voltage display Ignition Switch The hour meter is recording when the decimal point Located on right console (see Figure 6).

  • Page 25: Deck Lift Pedal

    Operation Important: This valve has a protective plastic To release the drive system (see item 1 in Figure 10), cap that should NEVER be removed. If the rotate the handle 1/4 turn to the vertical position cap is damaged or missing, contact trained and until it hits against the stop.

  • Page 26: Pre-Start

    1. Latching position 3. Non-latching position 2. Transport lock control Pre-Start LPG tanks supplied from Exmark Do Not contain LPG fuel for shipping reasons and safety. Have the LPG tanks filled by trained and qualified personnel. Figure 12 For best results, use clean, fresh HD5 grade propane.

  • Page 27: Starting The Engine

    Operation that the rear part of the seat is secured with the DANGER seat latch. An uncovered discharge opening will allow Open the Fuel Valve objects to be thrown in an operator’s or bystander’s direction. Also, contact with the 1. Slowly open the fuel valve to equalize the pressure blade could occur.

  • Page 28: 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 29: Adjusting The Cutting Height

    Operation Driving in Reverse 5. Insert the height adjustment pin into the hole corresponding to the desired cutting height. 1. Move the motion control levers inward to the neutral operate position. See the decal on the side of the deck lift plate for cut heights.

  • Page 30: Transporting

    Operation 1/4 inch (6.4 mm) clearance to the ground. Do Not adjust the rollers to support the deck. 7. For LZZ-LP Units: Be sure the roller bolts are installed with the spring disc washer between the head of the bolt and the mounting bracket (Figure 18).
  • Page 31 Operation tipping, or physical damage relative to other WARNING tanks or to the storage cage while in transit. Loading a unit on a trailer or truck increases – Place tanks so that valves, fittings, or gauges the possibility of backward tip-over. are protected from physical damage during Backward tip-over could cause serious injury transport.
  • Page 32 Operation Avoid sudden acceleration when driving up a ramp and sudden deceleration when backing down a ramp. Both maneuvers can cause the unit to tip backward.

  • Page 33: 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 34: Periodic Maintenance

    Maintenance Maintenance Service Maintenance Procedure Interval • 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. Every 500 hours • Check the wheel hub slotted nut torque specifications. •...

  • Page 35: Recommended Jump Starting Procedure

    Maintenance Voltage Percent Maximum Charging CAUTION Reading Charge Charger Interval Settings Connecting the jumper cables incorrectly (wrong polarity) can immediately damage 11.7–12.0 0–25% 3 Hours 14.4 volts/4 the electrical system. amps 11.7 or less 6 Hours or 14.4 volts/2 Be certain of battery terminal polarity and More amps jumper cable polarity when hooking up...

  • Page 36: Check Mower Blades

    Maintenance Figure 21 Figure 20 1. Install bushing in blade prior to installing bushing in spindle. 1. Positive (+) cable on discharged battery 2. Positive (+) cable on booster battery 3. Negative (–) cable on the booster battery B. Install bushing/blade assembly into spindle. 4.

  • Page 37: Check Safety Interlock System

    System Note: If machine does not pass any of these tests, do not operate. Contact your authorized EXMARK Service Interval: Before each use or daily SERVICE DEALER. Note: To prevent engine cut-outs on rough terrain Important: It is essential that operator safety the seat kill switch has a 1/2 second delay.

  • Page 38: Check Seat Belt

    Maintenance Check Seat Belt 1. Stop engine, wait for all moving parts to stop, and remove key. Engage parking brake. Service Interval: Before each use or daily 2. Drain oil while engine is warm from operation. Visually inspect seat belt for wear, cuts, and proper 3.

  • Page 39: Check Tire Pressures

    1. Deck and Yearly 7. If the dipstick oil level is at the “add” mark add Pump Idler Exmark Premium Hydro oil. Pivots 8. Replace hydraulic reservoir cap and tighten until 2. Front *Yearly Caster snug.

  • Page 40: Lubricate Brake Handle Pivot

    1. Stop engine, wait for all moving parts to stop, and 7. Insert one bearing, one new seal into the wheel. remove key. Engage parking brake. Note: Seals (Exmark P/N 103-0063) must be 2. Lubricate deck lift pivot with a spray type lubricant or light oil.

  • Page 41: Change Hydraulic System Filter And Fluid

    If this happens, close the fuel valve completely and wait five seconds. Slowly open • ONLY use the Exmark approved LPG the fuel valve. tank, fittings, and hoses that were designed for your mower.

  • Page 42: Wheel Hub - Slotted Nut Torque Specification

    • ROPS spring pin housing. 7. Before installing the new filters, apply a thin coat • Hydro pump control arm, linkage bolt, and of Exmark Premium Hydro oil on the surface of attachment bolt. the two rubber seals. • Hydro cooling fan screw.

  • Page 43: Adjustments

    Maintenance Adjustments 6. Insert the height adjustment pin into the 3 inch (7.6 cm) cutting height location. Note: Disengage PTO, shut off engine, wait for 7. Release the transport lock and allow the deck to all moving parts to stop, engage parking brake, and lower to the cutting height.

  • Page 44: Pump Drive Belt Tension

    Maintenance 14. If the four deck links do not have enough adjustment to achieve accurate cut height with the desired rake, the single point adjustment can be utilized to gain more adjustment (see Figure 31). Figure 29 1. Adjuster link 3.

  • Page 45: Deck Belt Tension

    Maintenance Deck Belt Tension Self-tensioning - No adjustment necessary. Adjusting the Parking Brake Service Interval: After the first 100 hours Every 500 hours thereafter Check to make sure brake is adjusted properly. This procedure must be followed after the first 100 hours or when a brake component has been removed or replaced.

  • Page 46: Electric Clutch Adjustment

    Maintenance 14. Once step 11 is achieved, hold the threaded rod WARNING end with a tool and tighten the lock nut against the standard nut. Do Not allow the cable to turn Engine must be running and drive wheels when the nuts are tightened. must be turning so park brake adjustment can be performed.
  • Page 47 Maintenance Figure 34 1. Armature 5. Brake spacer Figure 35 2. Field shell 6. Re-gap shim 1. Brake mounting bolt 2. Shim 3. Rotor 7. Brake pole 4. Brake mounting bolt B. Using needle nose pliers, or by hand, take hold of the tab and remove the shim (Do Not Removing the Shim: discard the shim until proper clutch function...

  • Page 48: Motion Control Linkage Adjustment

    Maintenance 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. Keep fingers, hands, and clothing clear of rotating components and hot surfaces. Figure 37 1.

  • Page 49: Motion Control Damper Adjustment

    Maintenance Motion Control Neutral Lock Pivot Adjustment The flanged nut can be adjusted to obtain a more desired motion control lever resistance (Figure 40). Figure 38 1. Double nuts 8. Shut off unit. Remove jumper wire from wire harness and plug connector into seat switch. Figure 40 9.

  • Page 50: Motion Control Full Forward Tracking Adjustment

    Maintenance Figure 42 Figure 41 RH Motion Control Shown 1. Bolts 4. Nuts 2. Control lever 5. Slotted holes 1. Screw 3. Motion control lever 3. Control arm shaft 2. Cover plate 2. Move the control lever to the next set of holes. Secure the lever with the two bolts.

  • Page 51: Cleaning

    Maintenance Cleaning Removing debris from the hydro fan cooling fins will allow the hydro system to run cooler and improve the life of the hydro system. Clean Engine and Exhaust 1. Stop engine, wait for all moving parts to stop, and System Area remove key.

  • Page 52: Waste Disposal

    Maintenance Waste Disposal Motor Oil Disposal Engine oil and hydraulic oil are both pollutants to the environment. Dispose of used oil at a certified recycling center or according to your state and local regulations. Battery Disposal DANGER Battery electrolyte contains sulfuric acid, which is poisonous and can cause severe burns.

  • Page 53: Troubleshooting

    3. Oil level in the crankcase is low. 3. Add oil to the crankcase. 4. LPG tank is not an Exmark approved 4. Remove tank and replace with an Exmark vapor tank. approved LPG vapor tank.
  • Page 54 Troubleshooting Problem Possible Cause Corrective Action 15. Seat switch is not functioning properly. 15. Check the seat switch indicator. Replace seat if needed. 16. Electrical connections are corroded, loose 16. Check the electrical connections for or faulty. good contact. Clean connector terminals thoroughly with electrical contact cleaner, apply dielectric grease and reconnect.
  • Page 55 Troubleshooting Problem Possible Cause Corrective Action Blades do not rotate. 1. Drive belt is worn, loose or broken. 1. Check the belt tension. 2. Deck belt is worn, loose or broken. 2. Install new deck belt. 3. Deck belt is off pulley. 3.

  • Page 56: Schematics

    Schematics Schematics Electrical Diagram Main Electrical LPG Electrical Diagram Diagram BLACK WHITE BROWN YELLOW BLUE PINK BLACK GREEN GRAY VIOLET ORANGE PINK PINK BLACK BROWN PINK GREEN G013155...
  • Page 57 Schematics Electrical Logic Schematic START_RELAY KEY_S KEY_A MAGNETO SEAT BRAKE NEUTRAL FUEL_SOLENOID GROUND FUEL...
  • Page 58 Schematics Hydraulic Diagram...
  • Page 59 Consumer Warranty Conditions authorized Exmark service dealer within the warranty period. This This warranty applies to Exmark Lazer Z, Lazer Z AS X, and Vantage warranty extends only to turf equipment operated under normal conditions. You must read the operator’s manual. You must also properly turf equipment sold in the U.S.
  • Page 60 Notes:...

  • Page 61: Service Record

    Service Record Date: Description of Work Done: Service Done By:...
  • Page 63 Figure 44 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.
  • Page 64 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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