Exmark LAZER Z PROPANE LZS740PKC524 Operator'S Manual Download | Manualshive

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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.

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Summary of Contents for LAZER Z PROPANE LZS740PKC524

Page 1: ...LAZER Z PROPANE For Serial Nos 314 000 000 Higher Part No 4501 809 Rev A ...

Page 2: ...lumage par ètincelle de vèhicule est conforme à la norme NMB 002 du Canada The enclosed Engine Owner s Manual is supplied for information regarding The U S Environmental Protection Agency EPA and the California Emission Control Regulation of emission systems maintenance and warranty Keep this engine Owner s Manual with your unit Should this engine Owner s Manual become damaged or illegible replace...

Page 3: ...com for additional safe operation information such as safety tips training materials and Operator s manuals 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 efficien...

Page 4: ...ystem 39 Check High Pressure Lines and Fittings 40 Drain Vaporizer Regulator 40 Clean Vaporizer Regulator 40 Remove Combustion Deposits 40 Check Fuel Lock Off Assembly 41 Change Engine LPG Fuel Filters 41 Change Hydraulic System Filter and Fluid 41 Wheel Hub Slotted Nut Torque Specification 41 Thread Locking Adhesives 42 Copper Based Anti seize 42 Dielectric Grease 42 Adjustments 42 Deck Leveling ...

Page 5: ...nk under pressure Before the liquid leaves the tank it is converted into a vapor Since LPG is stored as both liquid and gas it may leak from joints or connections that are not sealed properly LPG becomes flammable when it is mixed with air The LPG information in this Operator s manual is provided only as a guide Consult the NFPA 58 Liquefied Petroleum Gas Code for additional safety information Thi...

Page 6: ...rom LPG fuel can burn you others and cause property damage Never smoke around tank s and stay away from an open flame or where fumes may be ignited by a spark Extinguish all sources of spark or flame when approaching LPG tanks or mowers The hazard increases for enclosed trailers or storage locations where vapor leakage may occur and collect LPG is heavier than air and may accumulate in low lying a...

Page 7: ...f contact occurs with vapors or liquid Check that the operators presence controls safety switches and shields are attached and functioning properly Do Not operate unless they are functioning properly Inspection It is very important to check the LPG tank and components for wear or leaks Important Never check for leaks using an open flame Important Never use bare hands when checking the fitting or v...

Page 8: ...r more details Do Not fill the LPG tank if it is beyond the requalification period Do Not fill damaged or rusted LPG tanks Operation WARNING Operating engine parts especially the muffler become extremely hot Severe burns can occur on contact and debris such as leaves grass brush etc can catch fire Allow engine parts especially the muffler to cool before touching Remove accumulated debris from muff...

Page 9: ...may obscure vision Slope Operation Use Extreme caution when mowing and or turning on slopes as loss of traction and or tip over could occur The operator is responsible for safe operation on slopes DANGER Operating on wet grass or steep slopes can cause sliding and loss of control Wheels dropping over edges ditches steep banks or water can cause rollovers which may result in serious injury death or...

Page 10: ... alterations or attachments added to the ROPS must be approved by Exmark Maintenance and Storage Disengage drives set parking brake stop engine and remove key or disconnect spark plug wire Wait for all movement to stop before adjusting cleaning or repairing Keep engine and engine area free from accumulation of grass leaves excessive grease or oil and other debris which can accumulate in these area...

Page 11: ...accidentally engage causing personal injury Be sure ignition switch is in the OFF position before charging the battery Keep all guards shields and all safety devices in place and in safe working condition Check all bolts frequently to maintain proper tightness Frequently check for worn or deteriorating components that could create a hazard WARNING Removal or modification of original equipment part...

Page 12: ...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 12 ...

Page 13: ...essory has been installed make sure current safety signs are visible New safety signs may be obtained from your authorized Exmark equipment dealer or distributor or from Exmark Mfg Co Inc Safety signs may be affixed by peeling off the backing to expose the adhesive surface Apply only to a clean dry surface Smooth to remove any air bubbles Familiarize yourself with the following safety signs and in...

Page 14: ...Safety 107 2102 109 3148 109 7232 1 Fast 3 Neutral 2 Slow 4 Reverse 109 7330 109 7929 109 9361 Deck Drive Belt Routing 14 ...

Page 15: ...Safety 109 9875 116 0157 1 See Operator s Manual 116 0205 116 0211 116 0752 1 Latch 2 Unlatch 15 ...

Page 16: ...PTO 6 Operator presence switch 116 4858 126 2055 1 Wheel lug nut torque 95 ft lb 129 N m 4x 2 Wheel hub nut torque 235 ft lb 319 N m 3 Read and understand the Operator s manual before performing any maintenance check torque after first 100 hours then every 500 hours thereafter PTO Switch Symbols 1 PTO disengage 2 PTO engage 16 ...

Page 17: ...Safety 109 7069 109 9906 17 ...

Page 18: ...opane Refer to the Safety section Note Use of a forklift type liquid withdrawal tank will result in icing or freezing of the LPG regulator and prevent the engine from operating This may also result in permanent fuel system damage and the release of highly flammable propane liquid or vapor Electrical System Charging System Flywheel Alternator Charging Capacity 20 amps Battery Type BCI Group U1 Reco...

Page 19: ...table spring suspension armrests and integral safety switch Seat height remains the same Seat Isolation System for reduced vibration to enhance ride of standard seat standard seat with Custom Ride Seat Suspension or Deluxe Suspension Seat Adds approximately 1 inch 2 5 cm to seat height Mounting Adjustable fore and aft on seat tracks Armrests Foam padded adjustable flip up armrests Seat Safety Swit...

Page 20: ...ches 201 2 cm 83 1 inches 211 1 cm 86 1 inches 218 7 cm Roll Bar Down 80 9 inches 205 5 cm 84 8 inches 215 4 cm 87 8 inches 223 0 cm Overall Height Roll Bar Up Roll Bar Down 70 5 inches 179 1 cm 46 8 inches 118 9 cm Tread Width Center to Center of Tires Widthwise 52 inch Deck 60 inch Deck 72 inch Deck Drive Wheels 38 5 inches 97 8 cm 41 6 inches 105 7 cm 43 6 inches 110 7 cm Caster Wheels 32 8 inc...

Page 21: ... N m Wheel Motor Mounting Bolts 72 77 ft lb 98 104 N m Wheel Hub Slotted Nut 211 260 ft lb 286 352 N m Rollover Protection System Roll Bar 1 2 inch Mounting Bolts 75 80 ft lb 102 108 N m Clutch Retaining Bolt secured with threadlocker 55 60 ft lb 75 81 N m Hydro Park Brake Cable Anchor 1 2 inch Mounting Bolt secured with threadlocker 67 89 ft lb 91 121 N m Product Overview Figure 4 1 Rollover Prot...

Page 22: ...n handles in 5 Neutral operate 3 Front of Unit 6 Reverse Throttle Control Located on right console red lever see Figure 6 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 engine speed Moving the throttle forward into the detent is full throttle Figure 6 Right Console 1 Fuses 4 PTO engag...

Page 23: ...If the ignition key is turned to the ON position for a few seconds before cranking the engine the battery voltage will display in the area where the hours are normally displayed Note The LCD indicators appear when each control meets the safe to start mode e g the indicator turns on when the operator is in the seat Fuel Valve Located on the LPG fuel tank The fuel valve is used to open and close the...

Page 24: ... for operation Do Not tow machine PTO Engagement Switch Located on right console see Figure 6 Switch must be pulled out up to engage the blades Switch is pushed in to disengage the blades The LCD indicator will appear when the PTO switch is disengaged see Figure 8 Low Voltage Indicator Located on the right console in the message display see Figure 6 and Figure 8 A low voltage condition less than 1...

Page 25: ...ance section and perform all the necessary inspection and maintenance steps Operating Instructions 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 1 The knob must be completely latched with the tabs in...

Page 26: ...nuously for more than ten seconds at a time If the engine does not start allow a 60 second cool down period between starting attempts Failure to follow these guidelines can burn out the starter motor Engaging the PTO DANGER The rotating blades under the mower deck are dangerous Blade contact can cause serious injury or kill you Do Not put hands or feet under the mower or mower deck when the blades...

Page 27: ...in movement forward or backward the operator must be in the seat the brake lever must be disengaged pushed down before the motion control levers can be moved in or the engine will stop When the motion control levers are positioned fully outward apart in the T slot the drive system is in the neutral lock position Figure 13 Note The N LCD indicator appears when both levers are in the neutral lock po...

Page 28: ...r and the rear of the machine will move towards the rear and to the left 3 To stop position both motion control levers in the neutral operate position Adjusting the Cutting Height The cutting height of the mower deck is adjusted from 1 to 5 1 2 inches 2 5 cm to 14 cm in 1 4 inch 6 4 mm increments 1 Stop the machine and move the motion control levers outward to the neutral locked position 2 Disenga...

Page 29: ...ill be effective against scalping 1 Anti scalp roller mounting bracket 2 Cutting height For Maximum Deck Flotation place the rollers one hole position lower Rollers should maintain 1 4 inch 6 4 mm clearance to the ground Do Not adjust the rollers to support the deck 7 Be sure the roller bolts are installed with the spring disc washer between the head of the bolt and the mounting bracket see Figure...

Page 30: ...s in an upright vertical and secure position to minimize movement tipping or physical damage relative to other tanks or to the storage cage while in transit Place tanks so that valves fittings or gauges are protected from physical damage during transport 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...

Page 31: ...mpt to turn the unit while on the ramp you may lose control and drive off the side 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 31 ...

Page 32: ...ent After the first 250 hours Change the hydraulic filter and fluid Before each use or daily Check the engine oil level Check the mower blades Check the safety interlock system Check the rollover protections systems roll bar knobs Check the seat belt Check for loose hardware Check the LPG tank and components Clean the engine and exhaust system area Clean the hydro fan cooling guards Clean the gras...

Page 33: ...dipstick and wipe oil off Reinsert the dipstick according to the engine manufacturer s recommendations Remove the dipstick and read the oil level 4 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 acceptable alternative Do Not overfill Imp...

Page 34: ...ury Do Not jump start a weak battery if these conditions exist 2 Make sure the booster is a good and fully charged lead acid battery at 12 6 volts or greater Use properly sized jumper cables 4 to 6 AWG with short lengths to reduce voltage drop between systems Make sure the cables are color coded or labeled for the correct polarity CAUTION Connecting the jumper cables incorrectly wrong polarity can...

Page 35: ... 2 Lift deck and secure in raised position as stated in the Clean Grass Build Up Under Deck section 3 Inspect blades and sharpen or replace as required 4 Reinstall the blades if they were removed in the following order A Install bushing through blade with bushing flange on bottom grass side of blade Figure 20 1 Install bushing in blade prior to installing bushing in spindle B Install bushing blade...

Page 36: ...chine engine must initiate shutdown after approximately 1 2 second has elapsed seat has time delay kill switch to prevent cut outs on rough terrain Run engine at one third throttle engage PTO and raise off of seat but do not get off of machine engine must initiate shutdown after one second has elapsed if the handles are in The delay will be 1 2 second if the handles are out Run engine at one third...

Page 37: ...oil while engine is warm from operation 3 The oil drain hose is located on right hand side of engine at the rear Place pan under machine to catch oil Remove plug from end of drain hose Allow oil to drain and replace oil drain plug Torque plug to 20 24 ft lb 4 Replace the oil filter every other oil change Clean around oil filter and unscrew filter to remove Before reinstalling new filter apply a th...

Page 38: ...ht belt shields on deck and lift up floor pan to inspect deck drive belt 3 Check under machine to inspect the pump drive belt Note No adjustments are required for belt tension Lubricate Grease Fittings Note See chart for service intervals 1 Stop engine wait for all moving parts to stop and remove key Engage parking brake 2 Lubricate fittings with one to two pumps of NGLI grade 2 multi purpose gun ...

Page 39: ...not extend beyond either nut 14 Reinstall the seal guards over the wheel hub and insert wheel into caster fork Reinstall caster bolt and tighten nut fully 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 torque on spacer nut until t...

Page 40: ...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 13 Check for leaks as described in the Inspection section in Safety Check High Pressure Lines and Fittings Service Interval Every 500 hours Check all high pressure lines and fittings for leaks Follow all the inspectio...

Page 41: ... system 6 Using a socket unscrew filters to remove and allow oil to drain 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 Exmark Premium Hydro Oil is recommended Refer to the chart for an acceptab...

Page 42: ... to stop engage parking brake and remove key before servicing cleaning or making any adjustments to the unit CAUTION Raising the mower deck for service or maintenance relying solely on mechanical or hydraulic jacks could be dangerous The mechanical or hydraulic jacks may not be enough support or may malfunction allowing the unit to fall which could cause injury Do Not rely solely on mechanical or ...

Page 43: ... adjuster screw until it reaches the 3 inch 7 6 cm height see Figure 28 To increase the height turn the adjuster screw clockwise to decrease turn counterclockwise Figure 28 1 Adjuster screw 2 Jam nut 11 The back tips of the side blades should measure 3 1 4 inches 8 3 cm Fine tune rear adjusters as required The single point adjustment can be utilized to gain more adjustment 12 Re measure until all ...

Page 44: ...t 100 hours or when a brake component has been removed or replaced 1 Drive the machine onto a level surface 2 Disengage the blade control switch PTO move the motion control levers to the neutral locked position and set the parking brake 3 Stop the engine wait for all moving parts to stop and remove the key 4 Raise the back of the machine up and support the machine with jack stands CAUTION Raising ...

Page 45: ...ts to 85 105 ft lb 115 142 N m 16 Remove jack stands 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 31 1 Armature 5 Brake spacer 2 Field shell 6 Re gap shim 3 Rotor 7 Brake pole 4 Brake mounting bolt Removing the Shim 1 Stop engine wait fo...

Page 46: ...ap is less than 0 010 inch then reinstall the shim and reference the Troubleshooting section If the gap is sufficient proceed to the safety check in step F F Perform the following safety check a Sit on the seat and start the engine b Make sure the blades Do Not engage with the PTO switch off and the clutch disengaged If the clutch does not disengage reinstall the shim and reference the Troubleshoo...

Page 47: ...ottle and release brake 6 Run the unit at least 5 minutes with the drive levers at full forward speed to bring hydraulic oil up to operating temperature Note The motion control lever needs to be in neutral while making any necessary adjustments 7 Bring the motion control levers into the neutral position Adjust pump control rod lengths by rotating the double nuts on the rod in the appropriate direc...

Page 48: ...usted higher or lower for maximum operator comfort 1 Remove the two bolts holding the control lever to the control arm shaft Figure 38 Figure 38 1 Bolts 4 Nuts 2 Control lever 5 Slotted holes 3 Control arm shaft 2 Move the control lever to the next set of holes Secure the lever with the two bolts 3 Repeat the adjustment for the opposite control lever Adjusting the Tilt The motion control levers ca...

Page 49: ...rew 3 Motion control lever 2 Cover plate Caster Pivot Bearings Pre Load Adjustment Remove dust cap from caster and tighten nyloc nut until washers are flat and back off 1 4 of a turn to properly set the pre load on the bearings If disassembled make sure the spring disc washers are reinstalled as shown in Figure 40 Figure 40 1 Spring disc washers LPG Regulator No adjustments necessary If the engine...

Page 50: ...stem to run cooler and improve the life of the hydro system 1 Stop engine wait for all moving parts to stop and remove key Engage parking brake 2 Slide seat all the way forward 3 Remove accumulated debris from the hydro fan cooling fins Clean Debris From Machine Service Interval Before each use or daily 1 Stop engine wait for all moving parts to stop and remove key Engage parking brake 2 Clean off...

Page 51: ...thing when handling electrolyte Do Not swallow electrolyte In the event of an accident flush with water and call a doctor immediately Federal law states that batteries should not be placed in the garbage Management and disposal practices must be within relevant federal state or local laws If a battery is being replaced or if the unit containing the battery is no longer operating and is being scrap...

Page 52: ...ulty module 8 Replace module 1 Engine oil level is low 1 Check and add oil if necessary 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 vapor tank 3 Remove tank and replace with an Exmark approved LPG vapor tank 4 Oil pressure switch or fuel shut off solenoid malfunction 4 Contact an Authorized Kohler Service Dealer 5 Con...

Page 53: ...1 Blade s not sharp 1 Sharpen the blade s 2 Cutting blade s is are bent 2 Install new cutting blade s 3 Mower deck is not level 3 Level mower deck from side to side and front to rear 4 Underside of mower is dirty 4 Clean the underside of the mower 5 Tire pressure in drive tires not correct 5 Adjust tire pressure in the drive tires 6 Blade spindle bent 6 Contact an Authorized Service Dealer Uneven ...

Page 54: ...cessary 2 Low voltage supply at the clutch 2 Check coil resistance battery charge charging system and wiring connections and replace if necessary 3 Damaged coil 3 Replace clutch 4 Inadequate current supply 4 Repair or replace clutch lead wire or electrical system Clean connector contacts Clutch will not engage 5 Rotor armature airgap is too large 5 Remove shim or replace clutch 54 ...

Page 55: ...Schematics Schematics Electrical Diagram Kohler EFI 55 ...

Page 56: ...Schematics Electrical Logic Schematic Kohler EFI 56 ...

Page 57: ...Schematics Hydraulic Diagram 57 ...

Page 58: ...ystem coverage All warranty work must be performed by an authorized Exmark Service Dealer using Exmark approved replacement parts Instructions for Obtaining Warranty Service The product must be registered with original proof of purchase by an Exmark Service Dealer before obtaining any warranty service Contact any Exmark Service Dealer to arrange service at their dealership To locate a dealer conve...

Page 59: ...Notes 59 ...

Page 60: ...Notes 60 ...

Page 61: ...Service Record Date Description of Work Done Service Done By 61 ...

Page 62: ...62 ...

Page 63: ...se 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 2 Align this edge with a vertical surface a tree building fence pole etc 3 Example of how to compare slope with folded edge 63 ...

Page 64: ... RIDE SEAT SUSPENSION SYSTEM DUAL TAIL WHEEL FLOOR PAN EXTENDER HITCH KIT LIGHT KIT MICRO MULCH SYSTEM ROLL OVER PROTECTION SYSTEM ROPS SNOW BLADE SNOWBLOWER SUN SHADE TRASH CONTAINER ULTRA VAC COLLECTION SYSTEM ULTRA VAC QUICK DISPOSAL SYSTEM WEATHER CAB Some accessories and options not available for some models Place Model No and Serial No Label Here Included in the Literature Pack or Fill in Be...

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