Snapper 150Z SC18533 Operator'S Manual Download Page 29 | Manualshive

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29

Replace Spark Plug

Spark Plug Gap: .030” (.76mm)
1.  Stop the engine and allow it to cool.
2.  Clean the area around the spark plug.
3.  Remove the spark plug.
4.  Check the spark plug gap. It should be .030” (see

Figure 29).

5. Reinstall the plug into the cylinder head. Torque the

plug to 180 in. lbs (20 N.m.).

Figure 29. Spark Plug Gapping

Maintenance

Not

for

Reproduction

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Summary of Contents for 150Z SC18533

Page 1: ...n 7800760 Axion Model ZT18533 w 33 Mower 50 State 7800761 Axion Model ZT2142 w 42 Mower 50 State 7800762 150Z Model SC18533 w 33 Mower 50 State 7800763 150Z Model SC2142 w 42 Mower 50 State Manual No 7104738 Revision A N o t f o r R e p r o d u c t i o n ...

Page 2: ...Power Products Group LLC Milwaukee WI USA All Rights Reserved Identification Numbers ID Tag When contacting the service center for replacement parts service or information you MUST have these numbers Record your model name number manufacturer s identification numbers and engine serial numbers in the space provided for easy access The identification tag is located on the underside of the seat Tilt ...

Page 3: ...se or operate the engine on any forest covered brush covered or grass covered land unless the exhaust system is equipped with a spark arrester as defined in Section 4442 maintained in effective working order Other states or federal jurisdictions may have similar laws Contact the original equipment manufacturer retailer or dealer to obtain a spark arrester designed for the exhaust system installed ...

Page 4: ... chosen ask a professional contact your local authorized dealer Read the Manual The operator s manual contains important safety information you need to be aware of BEFORE you operate your unit as well as DURING operation Safe operating techniques an explanation of the product s features and controls and maintenance information is included to help you get the most out of your equipment investment B...

Page 5: ...d seriously injure a bystander Be sure to clean up the area to be mowed and remove objects that could be thrown by the blade BEFORE you start mowing Do not operate this unit without the entire grass catcher or discharge guard deflector in place Also do not allow anyone in the area while the unit is running If someone does enter the area shut the unit off immediately until they leave Moving Parts T...

Page 6: ...t Keep the unit free of grass leaves and excess oil Be sure to perform the maintenance procedures listed in this manual especially periodically testing the safety system Retaining Walls Drop Offs and Water Retaining walls and drop offs around steps and water are a common hazard Give yourself a minimum of two mower widths of clearance around these hazards and hand trim with a walk behind mower or s...

Page 7: ...sers Never operate when barefoot or wearing sandals 23 Before using always visually check that the blades and blade hardware are present intact and secure Replace worn or damaged parts 24 Disengage attachments before refueling removing an attachment making adjustments unless the adjustment can be made from the operator s position 25 When the machine is parked stored or left unattended lower the cu...

Page 8: ...r change speeds while on the slope 4 Do not mow on wet grass Tires may loose traction 5 Avoid starting stopping or turning on a slope If tires lose traction i e machine stops forward motion on a slope disengage the blade s PTO and drive slowly off the slope 6 Keep all movement on slopes slow and gradual Do not make sudden changes in speed or direction which could cause the machine to rollover 7 Us...

Page 9: ...not remove the fuel filter when the engine is hot as spilled gasoline may ignite Do not spread fuel line clamps further than necessary Ensure clamps grip hoses firmly over the filter after installation 12 Do not use gasoline containing METHANOL gasohol containing more than 10 ETHANOL gasoline additives or white gas because engine fuel system damage could result 13 If the fuel tank must be drained ...

Page 10: ... Fold this page along dotted line indicated above 2 Hold page before you so that its left edge is vertically parallel to a tree trunk or other upright structure 3 Sight across the fold in the direction of hill slope you want to measure 4 Compare the angle of the fold with the slope of the hill ONLY RIDE UP AND DOWN HILL NOT ACROSS HILL F O L D A L O N G D O T T E D L I N E T H I S I S A 1 0 D E G ...

Page 11: ...76 Decal Hot Surfaces Part No 1734273 Located on RH side Decal Transmission Release Part No 1734532 Located on rear frame Decal Control Panel Part No 7103082 DANGER Amputation Hazard 1704276 To avoid injury from rotating blades stay clear of deck edge DANGER Amputation and Thrown Objects Hazard 17 04 27 7 To avoid injury from rotating blades and thrown debris stay clear of deck edge and discharge ...

Page 12: ...ND Parking brake lever is in engage position Test 3 Engine should SHUT OFF if Operator rises off seat with the mower blade switch ON OR Operator rises off seat with the ground speed levers in DRIVE positions OR Operator rises off seat with the parking brake in disengage position OR Operator moves the left and or right ground speed control lever out of its START PARK position with the parking brake...

Page 13: ... brake must be disengaged before operating the ground speed levers Engine Speed Control Choke The engine speed control choke controls the engine speed and choke Always set the engine speed to FAST for driving and mowing Move the engine speed control back to SLOW to decrease engine speed Move the engine speed control choke control to the CHOKE position for starting a cold engine A warm engine may n...

Page 14: ...em RUN Allows the engine to run and powers the electrical system START Cranks the engine for starting NOTE Never leave the ignition switch in the RUN position with the engine stopped This drains the battery Mower Blade Switch The yellow mower blade switch turns the mower blades on and off To turn the mower blades ON pull the switch up To turn the mower blades OFF push the switch down Always set th...

Page 15: ...e of slopes not across Use caution when changing directions and DO NOT START OR STOP ON A SLOPE WARNING Never allow passengers to ride on the unit Before leaving the operator s position for any reason engage the parking brake and disengage the PTO Never leave the unit unattended i e out of sight with the engine running To reduce fire hazard keep the engine rider and mower free of grass leaves and ...

Page 16: ...not mix oil in gasoline or modify the engine to run on alternate fuels Use of unapproved fuels will damage the engine components and void the engine warranty To protect the fuel system from gum formation mix a fuel stabilizer into the fuel See Storage All fuel is not the same If starting or performance problems occur change fuel providers or change brands This engine is certified to operate on gas...

Page 17: ...n START PARK positions and the parking brake is engaged 2 Move the engine speed control choke to the choke position for starting a cold engine A warm engine may not require choking 3 Insert the key into the ignition switch and turn it to START to crank the engine 4 After the engine starts release the key It will return to the RUN position 5 Move the engine speed control choke to the FAST position ...

Page 18: ...operate at full throttle when mowing and turn slowly to prevent tire slippage and damage to your lawn We suggest you begin with the Smooth Travel procedure to the right and then advance through the forward reverse and turning maneuvers Forward Travel Practice Gradually move both ground speed control levers evenly FORWARD from neutral Slow down and repeat Reverse Travel Practice LOOK DOWN BEHIND th...

Page 19: ...ou become more familiar and experienced with operating the zero turn rider you will learn more maneuvers that will make your mowing time easier and more enjoyable Remember the more you practice the better your control of the rider will be Practice Turning Around a Corner While traveling forward allow one handle to gradually return back toward neutral Practice several times before mowing NOTE To pr...

Page 20: ...NE First 5 Hours Change engine oil Every 8 Hours or Daily Check engine oil level Every 25 Hours or Annually Clean engine air filter and pre cleaner Every 50 Hours or Annually Change engine oil Replace oil filter Annually Replace air filter Replace pre cleaner See Dealer Annually to Inspect muffler and spark arrester Replace spark plug Replace fuel filter Clean engine air cooling system Whichever c...

Page 21: ...ngine A Figure 11 exposed engine cooling fins and around the air filter assembly Also open the air filter cover B and remove any debris that has accumulated in the air filter compartment Check Tire Pressure Tire pressure should be checked periodically and maintained at the levels shown in Figure 12 Note that these pressures may differ slightly from the Max Inflation stamped on the side wall of the...

Page 22: ...ower arbors Use grease fittings when present Not all greases are compatible Use automotive type lithium grease Oil hydro linkage brake linkage mower deck height adjustment linkage ground speed control linkage Generally all moving metal parts should be oiled where contact is made with other parts Keep oil and grease off belts and pulleys Remember to wipe fittings and surfaces clean both before and ...

Page 23: ...lubricated with a drop of oil A balanced blade will remain level If the blade is not balanced continue to sharpen the heavy side until it balances 7 Reinstall the blade A Figures 22 23 with the lift wings E Figure 23 pointing up toward the mower deck as shown 8 Reinstall the bolts B washers C and nuts D as noted in Figures 22 and 23 Use a wooden block F to prevent blade rotation while tightening t...

Page 24: ... eps Workbench Nail Blade Removal epsf LOOSEN Figure 20 Blade Removal 42 Deck Figure 19 Blade Removal 33 Deck Figure 23 Blade Installation 42 Deck F A C D E Figure 22 Blade Installation 33 Deck B D C A Maintenance N o t f o r R e p r o d u c t i o n ...

Page 25: ... 32 then attach the negative cable B 7 Coat the cable ends and battery terminals with petroleum jelly or non conducting grease Note On models with 33 decks the battery is mounted on the right side of the engine compartment WARNING Be careful when handling the battery Avoid spilling electrolyte Keep flames and sparks away from the battery When removing or installing battery cables disconnect the ne...

Page 26: ...ghten the adjustment nuts B Figure 24 until the rotor face and armature face just contacts the gauge 5 Check the windows for an equal amount of tension when the gauge is inserted and removed and make any necessary adjustments by tightening or loosening the adjustment nuts NOTE The actual air gap between the rotor and armature may vary even after performing the adjustment procedure This is due to d...

Page 27: ...warm 1 Clean the area around the dip stick C Figure 27 and oil drain tube A 2 Remove the oil drain plug A from the end of the oil drain tube Remove the dip stick C Allow ample time for complete drainage 3 Reinstall the oil drain plug A and route the hose next to the engine 4 Fill the crankcase with oil See CHECK ENGINE OIL LEVEL above 5 Start and run the engine at SLOW speed for 30 seconds Stop th...

Page 28: ...ve the pre cleaner E if equipped from the filter 4 To loosen debris gently tap the filter on a hard surface If the filter is excessively dirty replace with a new filter 5 Wash the pre cleaner in liquid detergent and water Then allow it to thoroughly air dry Do not oil the pre cleaner 6 Assemble the dry pre cleaner to the filter 7 Install the filter on the intake Push the end of the filter into the...

Page 29: ...ool 2 Clean the area around the spark plug 3 Remove the spark plug 4 Check the spark plug gap It should be 030 see Figure 29 5 Reinstall the plug into the cylinder head Torque the plug to 180 in lbs 20 N m Figure 29 Spark Plug Gapping Maintenance N o t f o r R e p r o d u c t i o n ...

Page 30: ...ard slot C Repeat with the other ground speed lever Speed Balancing Adjustment If the rider veers to the right or left when the ground speed control levers are in the maximum forward position the top speed of the right lever can be balanced by turning the adjustment knob E Figure 30 Loosen the jam nut and turn the knob COUNTERCLOCKWISE to increase speed or CLOCKWISE to decrease speed Tighten the j...

Page 31: ...tor or a lit cigarette Wear Protective Equipment Always wear gloves and safety glasses when handling the battery and battery cables Battery Charging A dead battery or one too weak to start the engine may be the result of a defect in the charging system or other electrical component If there is any doubt about the cause of the problem contact your local dealer If you need to replace the battery fol...

Page 32: ...t is pointing from side to side Figure 34 5 Measure the distance between the tips of the blade A Figure 33 and the ground B If there is more than 1 8 3mm difference between the measurements on each side proceed to step 6 If the difference is 1 8 3mm or less proceed to Front To Back Leveling 6 See Figure 35 Side to side leveling is accomplished using the threaded rods A Figure 35 and trunnion B on ...

Page 33: ... side Figure 37 5 Measure the distance between the tips of the outside blades A Figure 36 and the ground B If there is more than 1 8 3mm difference between the measurements on each side proceed to step 6 If the difference is 1 8 3mm or less proceed to Front To Back Leveling 6 See Figure 38 Side to side leveling is accomplished using the threaded rods A and trunnion B on the right and left rear sid...

Page 34: ...ont to Back Front To Back Leveling 42 Decks If the cut is uneven the mower may need leveling Unequal or improper tire pressure may also cause an uneven cut See CHECK TIRE PRESSURE 1 Turn the blades front to back as shown in Figure 41 Measure the distance from the ground to front tip of center blade and from ground to rear tips of left hand and right hand blades Front tips should be 1 8 1 4 3 6 mm ...

Page 35: ...od C to the mower deck 10 Separate the rear lift arms from the mower deck Repeat on both sides of the mower 11 Remove the front hitch rod C from the front hitch brackets 12 Slide the mower deck out from under the rider Installing the Mower Deck 1 Slide the mower deck under the right side of the rider Align the holes in the front hitch brackets and insert the front hitch rod C Figure 43 Secure with...

Page 36: ...rm from the mower deck Repeat on both sides of the mower 10 Remove the hitch rod B from the hitch bracket 11 Slide the mower deck out from under the rider Installing the Mower Deck 1 Slide the mower deck under the right side of the rider Slide the mower forward and hook the front hitch rod B Figure 45 to the front mower deck hooks 2 Slide the mower deck backwards and connect the rear lift arms to ...

Page 37: ...elt Replacement 42 Decks 1 Park the rider on a level surface Disengage the PTO turn off the engine set the ground speed control levers to START PARK and set the parking brake lever to ENGAGE Remove the key 2 Use the idler pulley arm C Figure 48 to release belt tension and remove the mower drive belt A from the PTO pulley B 3 Remove the belt from the remaining deck pulleys Note It is not necessary ...

Page 38: ...ting the unit after it has been stored Check all fluid levels Check all maintenance items Fill with FRESH fuel After starting allow the engine to warm before operating Replacement Parts Replacement parts are available from your authorized dealer Use only factory authorized parts or like parts when making repairs Engine Oil Touch Up Paint Grease Gun Kit 8 oz Grease Tube Tire Sealant Degrimer Degrea...

Page 39: ...olenoid or starter motor faulty Replace Contact your local authorized dealer Engine will turnover but will not start Engine is cold choke not in CLOSED position Move choke to CLOSED position Engine is warm choke not in OPEN position Move choke to OPEN position Engine flooded Set choke to OPEN position when cranking engine Out of fuel Allow engine to cool then refill the fuel tank Fuel is old or st...

Page 40: ...ut grass Cut grass with discharge pointing toward previously cut area Excessive mower vibration Blade mounting nuts are loose Torque as per instructions See Maintenance Section Mower blades arbors or pulleys are bent Check and replace as necessary Mower blades are out of balance Replace or balance blades See Maintenance Section Belt installed incorrectly Reinstall correctly Mower drive belt slips ...

Page 41: ...considered as a commercial use product for purposes of this warranty no warranty registration is necessary to obtain warranty on Briggs stratton products save your proof of purchase receipt if you do not provide proof of the initial purchase date at the time warranty service is requested the manufacturing date of the product will be used to determine the warranty period aBoUt yoUr Warranty We welc...

Page 42: ...rt and that it is identical in all material respects to the engine described in the manufacturer s application for certification The warranty period begins on the date the engine is originally purchased Two years or for the time period listed in the respective engine or product warranty statement whichever is greater The warranty on emissions related parts is as follows Any warranted part that is ...

Page 43: ...43 Notes N o t f o r R e p r o d u c t i o n ...

Page 44: ...are derived at 3060 RPM horse power values are derived at 3600 RPM The gross power curves can be viewed at www BRIGGSandSTRATTON COM Net power values are taken with exhaust and air cleaner installed whereas gross power values are collected without these attachments Actual gross engine power will be higher than net engine power and is affected by among other things ambient operating conditions and ...

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