background image

Troubleshooting

Problem

Possible Cause

Corrective Action

1. The engine load is

excessive.

1. Reduce ground speed.

2. The oil level in the

crankcase is low.

2. Add oil to the crankcase.

3. The cooling ns and

air passages under the

engine blower housing

are plugged.

3. Remove the obstruction

from the cooling ns and

air passages.

4. The air cleaner is dirty.

4. Clean or replace the air

cleaner element.

The engine overheats.

5. Dirt, water, or stale fuel

is in fuel system.

5. Contact an Authorized

Service Dealer

1. The blade control switch

is engaged.

1. Move the blade control

switch to Disengaged.

2. The motion control

levers are not in the

brake position.

2. Move the motion control

levers to the brake

position.

3. The operator is not

seated.

3. Sit on the seat.

4. The battery is dead.

4. Charge the battery.

5. The electrical

connections are

corroded or loose.

5. Check the electrical

connections for good

contact.

6. A fuse is blown.

6. Replace the fuse.

The starter does not crank

7. A relay or switch is

damaged.

7. Contact an Authorized

Service Dealer.

37

Содержание Precision Z340 HLX

Страница 1: ...Form No 3354 946 Rev A Precision Z340 HLX Riding Mower Model No 81245 Serial No 260000001 and Up Register your product at www Lawn Boy com Original Instructions EN...

Страница 2: ...ure 1 identi es the location of the model and serial numbers on the product Write the numbers in the space provided Figure 1 1 Model and serial number plate Write the product model and serial numbers...

Страница 3: ...hedule s 19 Premaintenance Procedures 20 Removing and Installing the Engine Hood 20 Lubrication 20 Greasing the Bearings 20 Engine Maintenance 20 Servicing the Air Cleaner 20 Servicing the Engine Oil...

Страница 4: ...gravel surfaces Do not operate the mower without either the entire grass catcher or the guard in place Be alert slow down and use caution when making turns Look behind and to the side before changing...

Страница 5: ...e seriously injured or interfere with safe machine operation Children who have been given rides in the past may suddenly appear in the mowing area for another ride and be run over or backed over by th...

Страница 6: ...and instruction decals as necessary Use only genuine Lawn Boy replacement parts to ensure that original standards are maintained Lawn Boy Riding Mower Safety The following list contains safety informa...

Страница 7: ...Slope Chart 7...

Страница 8: ...ce any decal that is damaged or lost 68 3660 68 3650 79 3140 93 1122 Manufacturer s Mark 1 Indicates the blade is identi ed as a part from the original machine manufacturer 105 7015 108 2392 108 2364...

Страница 9: ...1 Explosion hazard 6 Keep bystanders a safe distance from the battery 2 No re open ame or smoking 7 Wear eye protection explosive gases can cause blindness and other injuries 3 Caustic liquid chemical...

Страница 10: ...you start the engine and operate the machine Figure 4 1 Ignition switch 3 Blade control switch power take off 2 Throttle Choke 4 Headlight Switch optional Parking Brake The parking brake is automatica...

Страница 11: ...ne minimum Leaded regular gasoline may be used if unleaded regular is not available Important Never use methanol gasoline containing methanol or gasohol containing more than 10 ethanol because the fue...

Страница 12: ...gas away from eyes and skin Using Stabilizer Conditioner Use a fuel stabilizer conditioner in the machine to provide the following bene ts Keeps gasoline fresh during storage of 30 days or less For lo...

Страница 13: ...e starter motor 5 After the engine starts move the throttle lever to Fast Figure 8 If the engine stalls or hesitates move the throttle lever back to Choke for a few seconds Then move the throttle leve...

Страница 14: ...ervice Dealer repair the safety system immediately 1 While sitting on the seat with the control levers in brake position and move the blade control switch to On Try starting the engine the engine shou...

Страница 15: ...ure 11 To stop push the motion control levers to neutral Stopping the Machine To stop the machine move the traction control levers to neutral and separate to the brake position disengage the blade con...

Страница 16: ...Figure 14 Figure 14 1 Control lever 3 Control arm shaft 2 Bolt 3 Repeat the adjustment for the opposite control lever Pushing the Machine by Hand Important Always push the machine by hand Never tow th...

Страница 17: ...r damaged replace it immediately Never put your hands or feet under the mower Never try to clear discharge area or mower blades unless you move the blade control switch to Off and rotate the ignition...

Страница 18: ...ormal setting When Stopping If the machine s forward motion must be stopped while mowing a clump of grass clippings may drop onto your lawn To avoid this move onto a previously cut area with the blade...

Страница 19: ...he engine under heavy load or in high temperatures Change the oil lter Check the spark plug Every 300 hours Clean the combustion chamber Yearly or before storage Clean the cooling system more often in...

Страница 20: ...l moving parts to stop before leaving the operating position 3 Clean the grease ttings Figure 17 and Figure 18 with a rag Make sure to scrape any paint off of the front of the tting s Figure 17 1 Fron...

Страница 21: ...ers Cleaning the Foam Element 1 Wash the foam element in warm soapy water or non ammable solvent Squeeze the element but do not twist and allow it to dry thoroughly Figure 20 Do not use gasoline as a...

Страница 22: ...ervicing the Engine Oil Check the oil level before each use or after every 8 hours Change the oil after the rst 20 operating hours and every 100 operating hours thereafter Oil Type Detergent oil API s...

Страница 23: ...e 24 12 Check the oil level refer to Checking the Oil Level in Engine Maintenance page 20 13 Slowly add additional oil to bring it to the full mark Changing the Oil Filter Replace the oil lter every 1...

Страница 24: ...re 27 1 Spark plug wire 3 Remove the spark plug and sealing washer Checking the Spark Plug 1 Look at the center of the spark plug Figure 28 If you see light brown or gray on the insulator the engine i...

Страница 25: ...ter because the fuel tank is empty 7 Install the fuel line onto the fuel lter Slide the hose clamp close to the fuel lter to secure the fuel line Figure 29 Replacing the Fuel Filter Replace the fuel l...

Страница 26: ...cable before disconnecting the positive red cable Always connect the positive red battery cable before connecting the negative black cable 5 Slide the rubber cover up the positive red cable Disconnec...

Страница 27: ...rature is below 32 F 0 C 1 Remove the battery from the chassis refer to Removing the Battery 2 Check the electrolyte level refer to Checking the Electrolyte Level 3 Make sure that the vent caps are in...

Страница 28: ...or shredding the grass blades Tearing and shredding turns grass brown at the edges which slows growth and increases the chance of disease Check the cutter blades daily for sharpness and for any wear...

Страница 29: ...stalling the Blades A blade that is bent or damaged could break apart and could seriously injure or kill you or bystanders Always replace bent or damaged blade with a new blade Never le or create shar...

Страница 30: ...cut on your lawn 1 Park the machine on a level surface and disengage the blade control switch 2 Move the motion control levers to the brake position stop the engine remove the key and wait for all mo...

Страница 31: ...length is not a 3 4 inch 19 mm remove the hairpin cotter and washer from the end of the adjusting rod Figure 42 and turn the rod until the 3 4 inch 19 mm dimension is obtained 7 Install the end of th...

Страница 32: ...y and wait for all moving parts to stop before leaving the operating position 3 Lower the height of cut lever to the lowest position 4 Remove the hairpin cotter and clevis pin from the front support r...

Страница 33: ...e personal injury Be careful when removing the spring 6 Route the new belt around the engine pulley and mower pulleys Figure 47 7 Pull the idler pulley in the direction shown in Figure 47 and route th...

Страница 34: ...o short stand off on deck Secure rear end of rod into the mower with a nut 3 8 inch Figure 48 Important The grass de ector must be spring loaded in the down position Lift the de ector up to test that...

Страница 35: ...ne to three minutes to remove excess water A broken or missing washout tting could expose you and others to thrown objects or blade contact Contact with blade or thrown debris can cause injury or deat...

Страница 36: ...oner is most effective when mixed with fresh gasoline and used at all times Run the engine to distribute the conditioned fuel through the fuel system 5 minutes Stop the engine allow it to cool and dra...

Страница 37: ...Dirt water or stale fuel is in fuel system 5 Contact an Authorized Service Dealer 1 The blade control switch is engaged 1 Move the blade control switch to Disengaged 2 The motion control levers are n...

Страница 38: ...ow 10 Add oil to the crankcase 1 The engine load is excessive 1 Reduce ground speed 2 The air cleaner is dirty 2 Clean the air cleaner element 3 The oil level in the crankcase is low 3 Add oil to the...

Страница 39: ...the blade s 2 A cutting blade s is are bent 2 Install a new cutting blade s 3 The mower is not level 3 Level the mower from side to side and front to rear 4 An anti scalp wheel is not set correctly 4...

Страница 40: ...Schematics Electrical Diagram Rev B 40...

Страница 41: ......

Страница 42: ......

Страница 43: ...heduled for replacement as required maintenance in the written instructions must be warranted for the warranty period of two years If any such part fails during the period of warranty coverage it must...

Страница 44: ...in the Operator s Manual Such routine maintenance whether performed by a dealer or by you is at your expense Instructions for Obtaining Warranty Service If you think that your Lawn Boy Product contain...

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