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Store fuel in a cool, well-ventilated area, safely away from sparks, 
open flames, or other sources of ignition. 

Never store fuel or a machine with  fuel in the  tank inside a 

building where fumes may reach a spark, open flame, or any other 

source of ignition, such as a water  heater, furnace, or clothes 
dryer. Allow the engine to cool before storing in any enclosure. 

Product liability 

As referred to in the product liability laws, we are not liable for 

damages that our product causes if: 

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Walk-Behind Lawn Mower  »  Operator's Manual 

• the product is incorrectly repaired. 

• the  product is  repaired with parts that are not  from the

manufacturer or not approved by the manufacturer. 

• the product has an accessory that is not from the manufacturer 

or not approved by the manufacturer. 

• the product is not repaired at an approved service center or by 

an approved authority. 

SPECIFIC SAFETY RULES 

OPERATION SAFETY 
This  machine has been  designed to perform one job: to mow 

grass. Do not use it for any other purpose. 

Operate the product only in daylight or in good artificial light. 

Walk, never run. 

Stop the blade when crossing gravel drives, walks or roads. 

A missing or damaged discharge cover can cause blade contact or 

thrown object injuries. 

Many injuries occur as a result of the mower being pulled over the 

foot during a fall caused by slipping or tripping. Do not hold on to 
the mower if you are falling: release the handle immediately. 

Never pull the mower back toward you while you are walking.  If 

you must back the mower away from a wall or obstruction, first 
look down and behind to avoid tripping and then follow these 

steps: 

a. Step back from mower to fully extend your arms forward. 

b. Be sure you are well balanced with sure footing. 

c. Pull the mower back slowly, no more than half way toward you. 

d. Repeat these steps as needed. 

Do not touch  parts that are hot from  operation. Allow  parts to 

cool before attempting to maintain, adjust, or service. Serious 

burns may result. Engine parts, especially the muffler, become 

extremely hot during operation. Allow engine and muffler to cool 

before touching. 

Stay alert, watch  what you are  doing,  and use common  sense 

when operating the machine. 

Do not overreach. Do not operate the machine while barefoot 

or when wearing sandals or similar lightweight footwear. Wear 

protective footwear that  will  protect your  feet and improve 
your footing on  slippery  surfaces.  Keep proper footing and 
balance at all times. This enables better control of the machine in 
unexpected situations. 

Do not engage the self-propelled mechanism on machines so 

equipped while starting engine. 

The  blade control handle is a safety device. Never attempt 

to bypass its operation.  Doing so makes the safety device 
inoperative and may result in personal injury through contact 
with the rotating blade. The blade control handle must operate 
easily  in  both  directions and automatically return to the 
disengaged position when released. 

Never operate the mower on wet grass. Always be sure of your 
footing. A slip and fall can cause serious personal injury. If you 

feel you are losing your footing, release the blade control handle 
immediately and the blade will stop rotating within three seconds. 

Shut the engine off and wait until the blade comes to a complete 
stop before removing the grass bagger or unclogging the chute. 
The cutting blade continues to rotate for a few seconds after the 
blade control is released. Never place any part of the body in the 
blade area until you are sure the blade has stopped rotating. 

Never operate mower without proper trail shield, discharge 
cover,  grass bagger, blade control handle or  other  safety 
protective devices in place and working. Never operate mower 
with  damaged safety devices. Failure to do so can  result in 
personal injury. 

Never attempt to make a wheel or cutting height adjustment 

while the engine is running. 

When starting engine, pull cord slowly until resistance is felt, then 

pull rapidly. Rapid retraction of starter cord (kickback) will pull 
hand and arm toward engine faster than you can let go. Broken 

bones, fractures, bruises or sprains could result. 

Safety  I 

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Summary of Contents for YG0542

Page 1: ...ATE Both model number and serial number may be found on the main label SeePqe2 Fi ure 1 You should record both of them in a safe place for future use A WARNING READ AND UNDERSTAND THE ENTIRE MANUAL BEFORE OPERATING MACHINE FAILURE TO COMPLY WITH THE SAFET YINSTRUCTIONSIN THE MANUAL MAYRESULT IN PERSONAL INJURY Tamethe Great Outdoors ...

Page 2: ...oor powerequipment OPE to get the job done right at the right price YARDMAX delivers the perfect combination of performance and practicality YARDMAXhas a solution that sright for you MAX Performance MAX Value MAX Support that s YARDMAX J Backed by decades of proven manufacturing expertise J Enhanced designfeatures come standard J Engineeredfor the bestuser experience J Quality metal parts are used...

Page 3: ...ents can only be adjusted by an authorized engine manufacturer sservice center A WARNING CALIFORNIA PROPOSITION 65WARNING Engine exhaust some of its constituents and certain product components contain or emit chemicals known tothe state of California to cause cancer and birth defects or other reproductive harm For more information go towww P65Warnings ca gov ENVIRONMENTAL Recycle unwanted material...

Page 4: ...3 I Introduction 7 SUPPORT Have questions about your YARDMAX equipment Call us at 847 327 0566 or 844 YARDMAX email us at support yardmax com or contact us via your favorite social media site ...

Page 5: ... N A Engine YARDMAX Power Type Gas Starting System Recoil Displacement 166 cc Engine Torque 7 00 ft lb Fuel Tank Capacity 0 26 gallon 1 0L Oil Capacity 16 9 oz 0 5L Recommended Oil Type SAE 10W 30 Wheels Front 7 Wheels Back 7 Rear Wheel Height Low Wheel Wheel Width 1 58 Double Ball Bearing Wheels Yes RecommendedTerrain Flat Size of Yard 1 4 Acre or Less Number of Blades 1 Number of Handlebar Posit...

Page 6: ...ving S J parts have stopped before cleaning repairing or inspectingthe unit fe Make sure the engine is off when leaving the mower ornot mowing 5 I Symbols 1 Gasoline and its vapors are extremely flammable and explosive Never fuel the machine indoors or while the engine is hot or running Wipe up any gasoline that spills Keep away from any flammables when operating the engine Always stop the engine ...

Page 7: ...nd how to avoid accidental injuries and or property damage Keep this manual and engine manual in a safe place for future and regular reference If the unit is to be used by someone other than original purchaser or loaned rented or sold always provide this manual and any needed safety training before operation The user can prevent and is responsible for accidents or injuries that may occur to themse...

Page 8: ... operator Do not use the product if 7 I Safety the muffler is missing or defective A defective muffler increases the noise level and the risk of fire Examine the muffler regularly to make sure that it is attached correctly and not damaged Muffler and engine become hot and can cause burns Do not touch Do not modify engine To avoid serious injury or death do not modify engine in any way Tampering wi...

Page 9: ...ult Engine parts especially the muffler become extremely hot during operation Allow engine and muffler to cool before touching Stay alert watch what you are doing and use common sense whenoperating the machine Do not overreach Do not operate the machine while barefoot or when wearing sandals or similar lightweight footwear Wear protective footwear that will protect your feet and improve your footi...

Page 10: ...conditions suchas slippery surfaces Examine your work area to make sure that your control of the product cannot be prevented Be careful of roots stones twigs pits and ditches High grass can conceal obstacles Operate the product only in daylight or in good artificial light Do not operate the product on wet grass 9 I Safety Be careful when you go near hidden corners and objects that can prevent your...

Page 11: ...ollowlng P 1 IntermediateConnecting Handlebar 1pair 2 Upper Handle 3 Side Discharge Chute 4 Lawer Handle 5 Main Machine 6 Shield trailing 7 RearWheel lpair 8 FrontWheel 1 pair 9 0perator s Manual and Engine Manual r I I 71 10 ToolsforSpark PlugAssembly 11 Hardware Kit Including M8x40 M10 I 4 X4 2 c X2 1 ContentsSupplied I 10 ...

Page 12: ...structions LOWER HANDLE Align the holes in the lower handlebar with the holes in the mowing housing Secure and tighten by using M8x40 screws flat washers andnuts See Figure2 Figure2 M8x40 x4 11 I Assembly WHEELS Assemble the four wheels by securing with four MlO nuts and washers See Figure 3 so Figure3 M10 x4 ...

Page 13: ... Strictly followthe positions of carriage bolts and star shaped clamping nuts knobs See Figure4 illustration Figure4 x2 E Walk Behind Lawn Mower Operator s Manual UPPER HANDLE Align the holes in the upper handle and the holes in connecting handlebars to set a comfortable height position for the handle then secure andtighten by using bolts and wing knobs See Figure5 Figures x2 Assembly I 12 ...

Page 14: ...igure6 xl SIDE DISCHARGE CHUTE 1 Lift the mulch cover on the side of the mower See Fisure 7 illustration 1 2 Slide the two hooks of the side discharge cover under hinge pin on mulch cover assembly Lower the mulch cover See r181Jre 7 illustration 2 A WARNING you are notmulching 13 I Assembly Do not remove side mulch coverat anytime even when Figure 7 SHIELD TRAILING Attach the shield trailing to th...

Page 15: ...alk Behind Lawn Mower Operator s Manual lifttiHM CuttingHeightAdju5trnentLever Side DischargeChute KNOWYOUR MACHINE FEATURES AND CONTROLS y 1 l Mi M ldt 1ffiffi 4 ffiiiffiNiMiMfitffi Know Your Machine I 14 ...

Page 16: ...f collecting the grass clippings in a grass catcher or using the side discharge chute some mower models have the option of recirculating the clippings back to the lawn This is called mulching 15 I Know Your Machine Side Discharge Chute Your mower is shipped as a mulcher To discharge the grass clippings to the side instead follow the instructions on page 13 in the Assembly section to attach the sid...

Page 17: ... can result 1 The engine must be off and allowed to cool at least three minutes before adding fuel 2 Remove the fuelfiller cap andfill the tank Seeengine manual for fuel capacity fuel recommendation and location of fuel cap A CAUTION IM PO RTAN T DO NOT OVERFILL This equipment and or its engine may include evaporative emissions control system components required to meet EPA and or CARB regulations...

Page 18: ...gand stopping the engine Holding the engine start stop control lever firmly grip the starter handle and pulllightly until you feelresistance Then brisklypull the starter handle up and out at a30 degree angle NOTE T h i s m a c h i n e i s u s i n g autochoke start the engine without additional operations NOTE Don t allow the starter grip to snap back against the engine Return it gently to prevent ...

Page 19: ...our hand and arm towardthe engine faster than you can let go Broken bones fractures bruises or sprains couldresult USING AS MULCHER For mulching grass remove the side discharge chute from the mower When you remove theside discharge chute the mulch cover will close For effective mulching do not cut wet grass If the grass has been allowed to grow in excess of four inches mulching is not recommended ...

Page 20: ...3 Underside of mower deck 3 Clean Every 3 months or 30 hours 1 Engine oil 1 Change Every 6 months or 50 hours 1 Spark plug 1 Replace 2 Air Cleaner 2 Replace 1 Run engine until it stops from lack of Before Storage 1 Fuel system fuel or add stabilizer to a full tank of fresh fuel prior to storage Clean more often under dusty conditions or when airborne debris is present Replace air cleaner if very d...

Page 21: ... normalconditions Clean every few hours under extremely dusty conditions Poor engine performance and flooding usually indicates that the air cleaner should be serviced To service the air cleaner refer to the Engine Operator s Manual Clean spark plug and reset the gap once a season Spark plug replacement is recommended at the start of each mowing season Check Engine Operator s Manual for correct pl...

Page 22: ... If the oil level in the engine is too low or too high and you run the engine you may damage the engine 11 Install the dipstick into the oil fill tube securely 12 Recycle the used oil properly 21 I Maintenance BLADE CARE A WARNING Always stop the engine before you do work on the blade The blade continues to rotate after the throttle has been released Make sure that the blade is fully stopped and d...

Page 23: ... a blade not approved by the manufacturer of your mower is hazardous could damage your mower and void your warranty A WARNING machinehousing Position the curved ends of the blade to point toward the 5 Install the new blade Use a block of wood between the blade and lawn mower housing and tighten the blade bolt turning clockwise The recommended tightening torque is 45 55 Nm See Figure 18 Figure 18 A...

Page 24: ... Remove the spark plug pour a tablespoon 5 10 cc of clean engine oil into the cylinder and pull the starter rope slowly several times to distribute oil throughout the cylinder to prevent cylinder corrosion during the off season Loosely install the spark plug Drain the engine oil Clean the product Tighten bolts and nuts Replace or repair damaged components Touch up all rusted or damaged paint surfa...

Page 25: ...ner 5 Refer to Air Cleaner Maintenance in the Engine Manual 6 Blocked fuel line 6 Contact your Parts Repair Center to have fuel line cleaned Engine overheats 1 Engine oil level low 1 Fill crankcase with proper oil 2 Air flow restricted 2 Clean area around and on top of engine 1 Spark plug fouled faulty or gap too 1 Reset gap or replace spark plug Idles poorly wide 2 Refer to Air Cleaner Maintenanc...

Page 26: ...25 I Parts Diagram 7 PARTS DIAGRAM I o I r 1 jw up 1 ...

Page 27: ...eft 10 BoltM8x40 4 40 Height Adjustment Handlebar 1 11 BigWasher 8 4 41 Arm Pivot 1 12 NutM8 4 42 Rivet 4 x10 2 13 Positioning Bolt 2 43 BoltM5x16 3 14 NutM6 4 44 Blade Support 1 15 Height Adjustment Connecting Rod 1 45 Blade 1 16 Engine Bolt Gasket 3 46 Blade Bolt 3 8 24UNF 2A 1 17 SpringWasher 8 3 47 SpringWasherfor Blade 1 18 BoltM8x35 Torque 18 22 Nm 3 48 Carriage Bolt 4 19 Mulching Cover Asse...

Page 28: ...Tamethe Great Outdoors YARDMAX lat z 847 327 0566 or 844 YARDMAX I info yardmax com 7 ...

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