Exmark LAZER Z LPG Operators Operator'S Manual Download Page 50

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Maintenance

Figure 41

Bolts

Nuts

Control lever

Slotted holes

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 can be tilted fore or aft for
maximum operator comfort.

1. Loosen the upper bolt holding the control lever

to the control arm shaft.

2. Loosen the lower bolt just enough to pivot the

control lever fore or aft Figure 41. Tighten both
bolts to secure the control in the new position.

3. Repeat the adjustment for the opposite control

lever.

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.

1. Loosen the screws on a cover plate (see Figure 42).

2. Slide the cover plate backward or forward to

adjust the travel of the lever and tighten the
screws.

3. Drive the machine and check the full forward

tracking.

4. Repeat steps 1 through 3 until desired tracking

is obtained.

Figure 42

RH Motion Control Shown

Screw

Motion control lever

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 43.

Figure 43

Spring disc washers

Summary of Contents for LAZER Z LPG Operators

Page 1: ...LAZER Z LPG MODELS For Serial Nos 850 000 Higher Lazer Z LP Units Part No 4500 645 Rev A ...

Page 2: ...tal 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 immediately Replacements may be ordered through the engine manufacturer Exmark reserves the right to make changes or add improvements to its products at any time wit...

Page 3: ...lable online at http www exmark com manuals htm 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 They carry ample stock of service parts or can secure them promptly for you from the factory All Exmark parts are thoroughly tested and inspected before l...

Page 4: ...Pivot 40 Lubricate Deck Lift Pivot 40 Check Spark Plugs 40 Check LPG Tank 40 Check LPG Fuel Delivery System 40 Change Hydraulic System Filter and Fluid 41 Wheel Hub Slotted Nut Torque Specification 42 Thread Locking Adhesives 42 Copper Based Anti seize 42 Dielectric Grease 42 LPG Regulator 42 Adjustments 43 Deck Leveling 43 Pump Drive Belt Tension 44 Deck Belt Tension 45 Adjusting the Parking Brak...

Page 5: ...formation in this Operator s manual is provided only as a guide Consult the NFPA 58 Liquefied Petroleum Gas Code 2008 Edition for additional safety information This National Fire Protection Association NFPA code pertains to the handling storing transporting and usage of LPG Read the Operator s Manual and other training material If the operator s or mechanic s can not read English it is the owner s...

Page 6: ...n 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 areas such as ditches drains or pits LPG tank s should be filled by trained and qualified personnel ONLY Never ...

Page 7: ...ved LPG detector installed in trailers and storage areas is recommended LPG is heavier than air and may accumulate in low lying areas such as ditches drains or pits Avoid breathing of vapors Keep away from vent valve Keep away from eyes and skin Contact trained and qualified personnel if tank shows signs of frosted areas makes a hissing sound or emits a foul odor Obtain immediate medical attention...

Page 8: ...alve a half turn If bubbles are detected the joint or fitting has a leak Shut off the valve tighten the leaking connection and slowly open the valve again If bubbles still appear Do Not use the tank If it is safe to do so remove the tank from your mower otherwise contact trained and qualified personnel immediately If no bubbles are detected the LPG tank may be used Weekly Check the entire LPG fuel...

Page 9: ... Whenever you leave the mower Stop engine wait for all moving parts to stop and engage parking brake Before changing tanks Before dumping the grass catcher WARNING Hands feet hair clothing or accessories can become entangled in rotating parts Contact with the rotating parts can cause traumatic amputation or severe lacerations Do Not operate the machine without guards shields and safety devices in ...

Page 10: ...ld overturn the machine Avoid sudden starts when mowing uphill because the mower may tip backwards Be aware that operating on wet grass across steep slopes or down hill may cause the mower to lose traction Loss of traction to the drive wheels may result in sliding and loss of braking and steering Always avoid sudden starting or stopping on a slope If tires lose traction disengage the blades and pr...

Page 11: ...ould follow local and state regulations Park machine on level ground Never allow untrained personnel to service machine Use jack stands to support components when required Carefully release pressure from components with stored energy Disconnect battery or remove spark plug wire before making any repairs Disconnect the negative terminal first and the positive last Reconnect positive first and negat...

Page 12: ...rk parts could cause serious injury or death Replace all parts including but not limited to tires belts and blades with original Exmark parts WARNING Hydraulic fluid escaping under pressure can penetrate skin and cause injury Fluid accidentally injected into the skin must be surgically removed within a few hours by a doctor familiar with this form of injury or gangrene may result If equipped make ...

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 107 2112 109 3148 109 7232 1 Fast 3 Neutral 2 Slow 4 Reverse 109 7330 109 7929 14 ...

Page 15: ...Safety 109 9361 Deck Drive Belt Routing 109 9875 116 0157 1 See Operator s manual 116 0205 116 0211 15 ...

Page 16: ...latch 116 1714 116 2643 116 3261 1 Throttle fast 2 Throttle slow 117 2718 Hour Message Display 1 Hour Meter 4 Neutral 2 PTO 5 Operator s presence switch 3 Parking Brake 6 Battery PTO Switch Symbols 1 PTO disengage 2 PTO engage 16 ...

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

Page 18: ...on 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 15 amps Battery Type BCI Group U1 Recommended Minimum Battery CCA 260...

Page 19: ...m to enhance Standard Seat Adds approximately 3 inches 7 6 cm to seat height Deluxe suspension seat with high back low profile foam in place cushion dampened adjustable 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 Sea...

Page 20: ...nsioning idler Deck Full floating deck is attached to out front support frame Anti scalp rollers provide maximum turf protection Deck design allows for bagging mulching or side discharge 60 inch Deck 4 anti scalp rollers 72 inch Deck 4 anti scalp rollers Deck Depth 60 inch Deck 5 5 inches 14 cm 72 inch Deck 5 5 inches 14 cm Cutting Height Adjustment Foot activated lever is used to adjust the cutti...

Page 21: ...the unit Identify the accessories and correct deck size and place the corresponding values in the Accessory Score column If the Total Accessory Score meets the following add the recommended weight kit Note The 72 inch deck does not require a weight kit 60 inch Deck Accessory Score Light Kit 2 Michigan Seat CRSS 3 Bagger 3 Pneumatic Caster Tires 5 Mulch Kit 5 Striper Kit 0 OCD02 4 Hitch Kit 1 Sunsh...

Page 22: ... lb 41 47 N m Anti Scalp Roller Whizlock Nut LZAS LP Units See Figure 19 30 35 ft lb 41 47 N m Engine Mounting Bolts 27 33 ft lb 37 45 N m Wheel Lug Nuts 90 95 ft lb 122 129 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 threa...

Page 23: ...tion handles out 4 Forward 2 Neutral operate position 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...

Page 24: ... 1 LCD Indicators 2 Low voltage indicator light 3 Hour Voltage display The hour meter is recording when the decimal point is flashing in Hour Voltage display Hours are displayed when the key is off or when the machine is running Note 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 normall...

Page 25: ...ion until it hits against the stop To reset the drive system see item 2 in Figure 10 rotate the handle 1 4 turn to the horizontal position until it hits against the stop Note The handle must be horizontal and against the stop 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 disengag...

Page 26: ...ked position when operating the mower Lower the roll bar temporarily only when absolutely necessary 1 The knob must be completely latched with the tabs interlocking as shown in Figure 12 to lock the roll bar in the raised operate position 2 Apply forward pressure to the upper hoop of the roll bar 3 Pull the knob and rotate 90 to hold in the unlatched position to lower the roll bar 4 To return to t...

Page 27: ...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 are engaged DANGER An uncovered discharge opening will allow objects to be thrown in an operator s or bystander s direction Also contact with the blade could occur Thrown objects or blade contact can cause serious injury or death Never operate the mower with the disch...

Page 28: ...pears when both levers are in the neutral lock position When the motion control levers are moved directly inward together the drive system is in the neutral operate position Figure 14 1 Neutral lock position handles out 4 Forward 2 Neutral operate position handles in 5 Neutral operate 3 Front of Unit 6 Reverse Driving Forward 1 Release the parking brake 2 Move the motion control levers inward to t...

Page 29: ...it Shown 1 Deck foot pedal 3 Height of cut decal 2 Height adjustment pin 4 Transport lock control 5 Insert the height adjustment pin into the hole corresponding to the desired cutting height See the decal on the side of the deck lift plate for cut heights 6 Push the deck lift pedal release the transport lock and allow the deck to lower to the cutting height Adjusting the Anti Scalp Rollers It is r...

Page 30: ...lock nut to 30 35 ft lb 41 47 N m Figure 19 B Torque the 3 8 nyloc nut to 30 35 ft lb 41 47 N m Figure 19 1 Spring disc washer cone towards nut 3 3 8 nyloc torque to 30 35 ft lb 41 47 N m 2 Front right anti scalp bracket shown 4 3 8 16 whizlock nut torque to 30 35 ft lb 41 47 N m Transporting Transporting a Unit Use a heavy duty trailer or truck to transport the machine Lock brake and block wheels...

Page 31: ...n 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 See Preparation in the Safety Section Do Not transport LPG tank s in the passenger space of a vehicle Do Not transport leaking fuel tanks Trailers must have appr...

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 32 ...

Page 33: ...eel lug nuts Check the park brake adjustment 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 grass and debris build up f...

Page 34: ...and related accessories contain lead and lead compounds chemicals known to the State of California to cause cancer and reproductive harm Wash hands after handling Allowing batteries to stand for an extended period of time without recharging them will result in reduced performance and service life To preserve optimum battery performance and life recharge batteries in storage when the open circuit v...

Page 35: ... 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 immediately damage the electrical system Be certain of battery terminal polarity and jumper cable polarity when hooking up batteries N...

Page 36: ...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 21 1 Install bushing in blade prior to installing bushing in spindle B Install bushing blade assembly into spindle Make sure t...

Page 37: ...seat but do not get off of machine 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 ar...

Page 38: ...g parts to stop and remove key Engage parking brake 2 Drain 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 unscre...

Page 39: ...ge parking brake 2 Remove left and right 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 pu...

Page 40: ... to the 2nd spacer nut and thread onto the axle with the wrench flats facing outward 13 Torque the nut to 75 80 in lb 8 9 N m loosen then re torque to 20 25 in lb 2 3 N m Make sure axle does 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...

Page 41: ...ction fitting for damaged or missing o rings 8 Make sure the replacement tank type and size match the tank specification decal 9 Align the center hole over the mounting pin that points straight up on the mower as shown in Figure 26 Figure 26 1 Tank collar 3 Center hole 2 Mounting pin Important Valves and gauges may not function properly if the LPG tank is not installed correctly 10 Latch the brack...

Page 42: ...ion Move the speed control levers to the full speed and run for one minute Shut down the machine allow the hydros to cool and recheck oil level 13 Remove the jack stands Note Do Not change the hydraulic system oil except for what can be drained when changing filter unless it is felt the oil has been contaminated or been extremely hot Changing oil unnecessarily could damage hydraulic system by intr...

Page 43: ...sition the transport lock in the latching position 5 Push the foot pedal all the way forward and the deck will latch at the 5 1 2 inch 14 cm transport position Figure 27 Figure 27 1 Foot lever 3 Transport lock 2 Height of cut pin 6 Insert the height adjustment pin into the 3 inch 7 6 cm cutting height location 7 Release the transport lock and allow the deck to lower to the cutting height 8 Raise t...

Page 44: ... utilized to gain more adjustment see Figure 31 Figure 31 1 Single point height adjustment bolt 2 Front height of cut plate mounting bolt 3 Rear height of cut plate mounting bolt 15 To adjust the single point system first loosen the front and rear height of cut plate mounting bolts 16 If the deck is too low tighten the single point adjustment bolt by rotating it clockwise If the deck is too high l...

Page 45: ...e 9 Hold the threaded rod end with a tool and loosen the lock nut away from the standard nut see Figure 32 Do Not allow the cable to turn when the nuts are being loosened Figure 32 Left Hand Brake Shown 1 Cable anchor 7 Pull cable threaded rod this direction 2 Threaded rod 8 Hold threaded rod here 3 Push lever this direction 9 Swivel pivot head 4 Caliper lever arm 10 Caliper 5 Standard nut shown a...

Page 46: ... moving parts or hot surfaces may cause personal injury Keep fingers hands and clothing clear of rotating components and hot surfaces F Release the park brake so the handle rests on the 1 2 x 6 inch rod or bolt G Move the throttle to high idle H Move both motion control levers to the full forward position and hold for 15 seconds I Move both motion control levers to the full reverse position and ho...

Page 47: ... brake mounting bolts one half to one full turn see Figure 35 Note Do Not remove the brake pole from the field shell armature The brake pole has worn to match the armature and needs to continue to match after the shim is removed to ensure proper brake torque Figure 35 1 Brake mounting bolt 2 Shim B Using needle nose pliers or by hand take hold of the tab and remove the shim Do Not discard the shim...

Page 48: ...ot surfaces 1 Prior to starting the engine push the deck lift pedal and remove the height of cut pin Lower deck to the ground 2 Raise the rear of machine up and support with jack stands or equivalent support just high enough to allow drive wheels to turn freely 3 Remove the electrical connection from the seat safety switch located under the bottom cushion of the seat The switch is a part of the se...

Page 49: ... nut after torque A T 40 Torx bit will be necessary to hold the stud from turning 2 Most resistance firmest feel 3 Damper 4 Medium resistance medium feel 5 Least resistance softest feel Motion Control Neutral Lock Pivot Adjustment The flanged nut can be adjusted to obtain a more desired motion control lever resistance Figure 40 Figure 40 1 Flanged nut 2 Jam nut 1 Loosen the jam nut 2 Tighten or lo...

Page 50: ...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 1 Loosen the screws on a cover plate see Figure 42 2 Slide the cover plate backward or forward to adjust the travel of the lever and tighten the screws 3 Drive the machine and check the full forward tracking 4 Repeat steps 1 through 3 ...

Page 51: ...moving debris from the hydro fan cooling fins will allow the hydro system 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...

Page 52: ...fety glasses to shield eyes and rubber gloves to protect skin and clothing 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 ...

Page 53: ...own 6 Replace the blown fuse 7 Relay or switch is defective 7 Contact an Authorized Service Dealer Starter does not crank 8 Faulty 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 Oil level in the crankcase is low 3 Add oil to the crankcase 4 LPG tank is not an Exmark approve...

Page 54: ...1 Adjust tire pressure in the drive tires 1 Drive release handle not in operating position 1 Position handle in operating position see Drive Wheel Release Valves section in Operation 2 Drive or pump belt is worn loose or broken 2 Change the belt 3 Drive or pump belt is off a pulley 3 Change the belt 4 Broken or missing idler spring 4 Replace the spring Machine does not drive 5 Hydraulic fluid leve...

Page 55: ... Drive belt not routed correctly 5 Refer to belt routing decal on deck 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 3 Damaged coil 3 Replace clutch 4 Inadequate current supply...

Page 56: ...ET PINK 2 1 1 3 2 4 5 6 7 8 1 A B 2 3 1 5 4 1 2 5 4 3 1 2 1 2 1 2 9 12 3 10 1 8 6 5 11 2 4 7 B A 7 4 5 9 3 6 8 1 2 C A B A B 2 6 3 5 4 1 1 2 2 1 2 1 2 1 A B 9 7 4 1 2 3 8 4 1 2 3 5 3 7 1 2 6 8 4 5 B C A 3 1 6 4 5 2 5 3 2 1 4 A B 7 1 6 12 A B IGNITION SWITCH NOTE CONNECTORS VIEWED FROM MATING CONNECTOR TERMINAL CONNECTIONS TERMINAL A ACCESSORY TERMINAL B BATTERY TERMINAL I IGNITION TERMINAL R RECTI...

Page 57: ... SW5 B MAG REG START FUEL SOLINIOD AC STARTER AC IGNITION MODULES SPARK PLUG SPARK PLUG KAW TWIN NEUT_L SW4 12 B 10 KEY_S 9 KEY_A 4 SEAT 11 BRAKE 2 NEUTRAL 3 PTO 5 FUEL 1 START_RELAY 7 MAGNETO 6 FUEL_SOLENOID 8 GROUND HOUR METER 2 R A I A 4 7 1 3 6 5 A 3 SW1 1 B B C B 8 2 4 5 IGNITION 4 6 5 1 KEY SW OPTIONAL ACCESSORIES 2 S Ignition switch terminal locations viewed from back OFF no connections ON ...

Page 58: ...Schematics Hydraulic Diagram 58 ...

Page 59: ...age 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 convenient to yo...

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: ...DISPOSAL SYSTEM OUT FRONT RIDING ACCESSORIES AND OPTIONS CUSTOM 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 Place Model No and Serial No Label Here Included in the Literature Pack or Fill i...

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