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

Exmark LAZER Z PROPANE Operator's Manual

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LAZER Z
PROPANE
®
For Serial Nos.
316,000,000 & Higher
Part No. 4502-640 Rev. A

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Summary of Contents for Exmark LAZER Z PROPANE

  • Page 1 LAZER Z PROPANE ® For Serial Nos. 316,000,000 & Higher Part No. 4502-640 Rev. A...
  • Page 2 SAE testing and gross/net power rating standards (J1940, J1995, J1349). 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 Dielectric Grease..........44 Adjustments ............45 Deck Leveling ..........45 Introduction ............3 Pump Drive Belt Tension........46 Safety ..............5 Deck Belt Tension ..........46 Safety Alert Symbol ......... 5 Adjusting the Parking Brake......47 Safe Operating Practices ........5 Electric Clutch Adjustment......48 Safety and Instructional Decals ......13 Motion Control Linkage Adjustment ....49 Specifications ............19 Motion Control Damper Adjustment....50...

  • Page 5: Safety

    Before the liquid leaves the tank, it is converted into a vapor. Since LPG is stored as both liquid and gas, Exmark designed and tested this lawn mower to offer it may leak from joints or connections that are not reasonably safe service;...
  • Page 6 Safety • Wear appropriate clothing including safety glasses, DANGER substantial footwear, and hearing protection. Do LPG fuel is extremely flammable and vapors Not operate when barefoot or when wearing open are explosive. sandals. Long hair, loose clothing or jewelry may get tangled in moving parts.
  • Page 7 Safety functioning properly. Do Not operate unless they DANGER are functioning properly. LPG fuel is extremely flammable and vapors are explosive. Inspection • In case of fire take the following steps: It is very important to check the LPG tank and 1.
  • Page 8 Safety Operation – Inspect the LPG tank and the fuel connection joint for leaks. Use the following procedure WARNING below to detect leaks: Operating engine parts, especially the muffler, ◊ Apply an approved leak detector solution, become extremely hot. Severe burns can occur obtained from a trained and qualified LPG on contact and debris, such as leaves, grass, distributor, or a thick non-ammonia soapy...
  • Page 9 Safety – Before clearing blockages. DANGER – Whenever you leave the mower. Operating on wet grass or steep slopes can cause sliding and loss of control. Wheels dropping over • Stop engine, wait for all moving parts to stop, and edges, ditches, steep banks, or water can cause engage parking brake: rollovers, which may result in serious injury,...
  • Page 10 Loss of traction to the drive wheels may • Any accessories, alterations, or attachments added result in sliding and a loss of braking and steering. to the ROPS must be approved by Exmark. • Always avoid sudden starting or stopping on a Maintenance and Storage slope.
  • Page 11 Unauthorized modifications to the original DANGER equipment or failure to use original Exmark Charging or jump starting the battery may parts could lead to serious injury or death. produce explosive gases. Battery gases can Unauthorized changes to the machine, engine, explode causing serious injury.
  • Page 12 Safety WARNING Fuel system components are under high pressure. The use of improper components can result in system failure, fuel leakage and possible explosion. Use only approved fuel lines and fuel filters for high pressure systems.

  • 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 109-6036 1. Read the Operator’s manual 2. Remove the ignition key and read the instructions before servicing or performing maintenance. 3. Height of cut 112-9028 107-3069 1. Warning—stay away from moving parts; keep all guards 1. Warning-there is no rollover protection when the roll bar in place.
  • Page 15 Safety 114-4466 1. Main, 25A 3. Charge, 25A 2. PTO, 10A 4. Auxiliary, 15A 116-8283 1. Warning—read the Operator's Manual for instructions on torquing the blade bolt/nut to 55-60 ft-lb (75-81 N-m). 116-3446 1. Battery 4. Parking brake 2. Hour meter 5.
  • Page 16 Safety 126-3275 1. Danger - LPG fuel is extremely flammable and vapors are explosive. 2. Read the Operator’s manual. Consult NFPA 58: Liquefied Petroleum Gas Code for additional safety information. 116-8727 3. Do NOT smoke or replace tank(s) around sources of fuel ignition.
  • Page 17 Safety 126-4553 PTO Switch Symbols 1. PTO–disengage 2. PTO–engage 126-3277 1. IMPORTANT: Only use replacement tank(s) that are free 7. Remove empty tank(s). Check valve and fittings for debris of dents or damage. Match size and type required on tank or damaged o-rings.
  • Page 18 Safety 132-0871 1. Warning—read the Operator’s Manual; do not operate this 4. Ramp hazard—when loading onto a trailer, do not use vehicle unless you are trained; wear hearing protection. dual ramps; only use a singular ramp wide enough for the machine and that has an incline less than 15 degrees;...

  • Page 19: Specifications

    • New tanks must be properly filled by trained and while brake is engaged. qualified personnel. • Only use tanks recommended by Exmark. Failure Operator Controls to do so will result in improper operation of the • Steering and Motion Control: fuel system.
  • Page 20 Deck design allows for bagging, mulching or side discharge. – 240cc Parker geroler motor • Hydraulic Oil Type: Exmark Premium Hydro oil. – 52 inch Deck: 3 anti-scalp rollers • Hydraulic Oil Capacity: 52 oz (1.5 L) per side –...

  • Page 21: Dimensions

    Specifications Wheel Base: (Center of Caster Tire to – 60 inch Deck: 5.5 inches (14 cm) Center of Drive Tire) – 72 inch Deck: 5.5 inches (14 cm) 52 inch Deck 60 inch Deck 72 inch Deck • Cutting Height Adjustment: Foot activated lever is used to adjust the cutting 48.0 inches 51.6 inches...

  • Page 22: Torque Requirements

    Product Overview Torque Requirements Product Overview Bolt Location Torque Blade Drive Sheave 130-160 ft-lb Mounting Nut (176-217 N-m) Blade Mounting Bolt 55-60 ft-lb (75-81 N-m) (lubricate with anti-seize) Anti-Scalp Roller Nyloc 50-55 ft-lb (68-75 N-m) Nut See Figure 18 Engine Mounting Bolts 27-33 ft-lb (37-45 N-m) Wheel Lug Nuts 85-105 ft-lb (115-142...

  • Page 23: Operation

    Operation Operation Throttle Control Located on right console (red lever) (see Figure 6). Note: Determine the left and right sides of the The throttle is used to control engine speed. Moving machine from the normal operating position. the throttle lever forward will increase engine speed and moving the throttle lever to the rear will decrease Controls engine speed.
  • Page 24 Operation The ignition switch is used to start and stop the Hours are displayed when the key is off or when the engine. The switch has three positions “OFF”, “ON” machine is running. and “START”. Insert key into switch and rotate Note: If the ignition key is turned to the “ON”...
  • Page 25 Operation Drive Wheel Release Valves Note: The handle must be horizontal and against the stop for operation. WARNING Do Not tow machine. Hands may become entangled in the rotating drive components below the engine deck, which PTO Engagement Switch could result in serious injury or death. Located on right console (see Figure 6).

  • Page 26: Pre-Start

    MIL is illuminated. return to the completely latched position. 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. For best results, use clean, fresh HD5 grade propane.
  • Page 27 Operation too quickly, the pressure relief valve is equipped with a back pressure check valve that will shut off the fuel supply. If this happens, close the fuel valve completely and wait five seconds. Slowly open the fuel valve. 2. Rotate the fuel valve counterclockwise to turn on the fuel.
  • Page 28 Operation Driving the Machine DANGER An uncovered discharge opening will allow CAUTION objects to be thrown in an operator’s or Machine can spin very rapidly by positioning one bystander’s direction. Also, contact with the lever too much ahead of the other. Operator may blade could occur.
  • Page 29 Operation Figure 14 Figure 13 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. Neutral operate position 5.
  • Page 30 Operation To turn right, release pressure on the RH motion 5. Insert the height adjustment pin into the hole control lever and the rear of the machine will corresponding to the desired cutting height. move towards the rear and to the right. See the decal on the side of the deck lift plate for cut heights.

  • Page 31: Transporting

    Operation Note: The foot operated deck lift assist lever WARNING can be used to momentarily lift the deck to clear Driving on the street or roadway without turn objects. Be sure that PTO is disengaged. signals, lights, reflective markings, or a slow 8.
  • Page 32 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. • Ensure that the ROPS is in the up position and use the seat belt when loading or unloading the machine.
  • Page 33 Operation • Place tank(s) in a well-ventilated trailer. • Do Not store the tank(s) or machine with tank(s) in an area where the temperature can rise above 120°F (49°C). If the temperature exceeds approximately 160°F (71°C), the tank will release highly flammable propane vapor.

  • Page 34: 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 a hot made, someone could start the engine. engine can cause severe burns.

  • Page 35: Periodic Maintenance

    “FULL” battery performance and life, recharge batteries in mark on the dipstick. Exmark 4-Cycle Premium storage when the open circuit voltage drops to 12.4 Engine Oil is recommended; refer to the Engine volts.
  • Page 36 Maintenance Important: Make sure the negative battery cable 2. Make sure the booster is a good and fully charged is disconnected and the battery charger used for lead acid battery at 12.6 volts or greater. Use charging the battery has an output of 16 volts and properly sized jumper cables (4 to 6 AWG) with 7 amps or less to avoid damaging the battery (see short lengths to reduce voltage drop between...

  • Page 37: Check Mower Blades

    Maintenance Figure 22 Figure 21 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 38: Check Safety Interlock System

    Check Safety Interlock Note: If machine does not pass any of these tests, System do not operate. Contact your authorized EXMARK SERVICE DEALER. Service Interval: Before each use or daily Important: It is essential that operator safety...

  • Page 39: Check Seat Belt

    1. Stop engine, wait for all moving parts to stop, and Before reinstalling new filter, apply a thin coating remove key. Engage parking brake. of Exmark 4–Cycle Premium Engine oil on the surface of the rubber seal. Turn filter clockwise 2. Visually inspect machine for any loose hardware until rubber seal contacts the filter adapter then or any other possible problem.

  • Page 40: Check Tire Pressures

    1. Deck and Yearly 7. If the dipstick oil level is at the “add” mark add Pump Idler Pivots Exmark Premium Hydro Oil. 2. Front *Yearly 8. Replace hydraulic reservoir cap and tighten until Caster snug. Do Not overtighten.

  • Page 41: Lubricate Deck Lift Pivot

    Service Interval: Every 160 hours 7. Insert one bearing, one new seal into the wheel. Remove spark plugs, check condition and reset gaps, Note: Seals (Exmark P/N 103-0063) must be or replace with new plugs. See Engine Owner's replaced. Manual.

  • Page 42: Check High Pressure Lines And Fittings

    12. Slowly open the fuel valve to equalize the pressure in the tank. If the fuel valve is opened too quickly, • ONLY use the Exmark approved LPG the pressure relief valve is equipped with a back tank, fittings, and hoses that were pressure check valve that will shut off the fuel designed for your mower.

  • Page 43: Clean Vaporizer/Regulator

    Have the fuel lock off assembly inspected for 7. Before installing the new filters, apply a thin coat damage/leakage by an Authorized Kohler Dealer or of Exmark Premium Hydro Oil on the surface qualified LPG technician. of the two rubber seals.

  • Page 44: Wheel Hub - Slotted Nut Torque Specification

    Maintenance *May need more often under severe conditions. On threads of Blade Bolts. See Check Mower Blades section. 10. Remove the catch pan and properly dispose of hydro oil and filter according to local codes. Dielectric Grease 11. Re-install the pump drive belt. 12.

  • Page 45: Adjustments

    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 8. Raise the discharge deflector. all moving parts to stop, engage parking brake, and remove key before servicing, cleaning, or making any 9.

  • Page 46: Pump Drive Belt Tension

    Maintenance Figure 30 Figure 31 1. Adjuster screw 2. Jam nut 1. Single point height adjustment bolt 2. Front height-of-cut plate mounting bolt 11. The back tips of the side blades should measure 3. Rear height-of-cut plate mounting bolt 3 1/4 inches (8.3 cm). Fine tune rear adjusters as required.

  • Page 47: Adjusting The Parking Brake

    Maintenance 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 48: Electric Clutch Adjustment

    Maintenance Electric Clutch Adjustment No adjustment necessary. However 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 34 1. Brake mounting bolt 2.

  • Page 49: Motion Control Linkage Adjustment

    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.

  • Page 50: Motion Control Damper Adjustment

    Maintenance Figure 37 1. Double nuts Figure 38 RH Motion Control Shown 8. Shut off unit. Remove jumper wire from wire harness and plug connector into seat switch. 1. Torque nyloc nut to 200 in-lb (16.7 ft-lb). Bolt must protrude past end of nyloc nut after torque. A T-40 Torx 9.

  • Page 51: Motion Control Handle Adjustment

    Maintenance Motion Control Handle 1. Loosen the screws on a cover plate (see Figure 41). Adjustment 2. Slide the cover plate backward or forward to adjust the travel of the lever and tighten the Adjusting the height: screws. The motion control levers can be adjusted higher or 3.

  • Page 52: Lpg Regulator

    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 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.

  • Page 53: Clean Debris From Machine

    Maintenance 1. Stop engine, wait for all moving parts to stop, and recycling center or according to your state and local remove key. Engage parking brake. regulations. 2. Slide seat all the way forward. Battery Disposal 3. Remove accumulated debris from the hydro fan cooling fins.

  • Page 54: Troubleshooting

    2. LPG tank is overfilled. 2. Take tank to an approved LPG provider to bleed off some fuel. 3. LPG tank is not an Exmark approved 3. Remove tank and replace with an Exmark vapor tank. approved LPG vapor tank.
  • Page 55 Troubleshooting Problem Possible Cause Corrective Action Engine loses power 1. Fuel level is low. 1. Replace the LPG fuel tank. 2. Engine load is excessive 2. Reduce the ground speed. 3. Air cleaner is dirty. 3. Clean or replace the air cleaner element. 4.
  • Page 56 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 57: Schematics

    Schematics Schematics Electrical Diagram MIL PWR MIL GND ECU PWR ECU PWR WHITE GND-S/D GND-S/D START BLUE START...
  • Page 58 Schematics Electrical Logic Schematic...
  • Page 59 Schematics Hydraulic Diagram...
  • Page 60 Commercial Warranty Conditions Exmark Customer Service Department This warranty applies to Exmark Lazer Z X-Series, Lazer Z S-Series, and The Exmark Warranty Company Vantage turf equipment sold in the U.S. or Canada for a period of three 2101 Ashland Avenue years for commercial usage.
  • Page 61 Service Record Date: Description of Work Done: Service Done By:...
  • Page 63 G011841 Figure 43 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 Pack) or Fill in Below Engine Model No. and Spec. No. Model No. Engine Serial No. (E/No) Serial No. ©2015 Exmark Mfg. Co., Inc. Part No. 4502-640 Rev. A Industrial Park Box 808 (402) 223-6300 Beatrice, NE 68310 Fax (402) 223-5489...

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