Troy-Bilt AST TB75SS, Operator'S Manual

Page 1: ...a spark arrestor maintained in effective working order or the engine be constructed equipped and maintained for the prevention of fire Check with your state or local authorities for regulations pertaining to these requirements Failure to follow these requirements could subject you to liability or a fine This unit is factory equipped with a spark arrestor if it requires replacement Accessory Part 7...

Page 2: ..._ r_gand Storage i BePa_ e t _ ar_aut_ _r ze d dealer copy ithiii_ a i um_ii iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii ...

Page 3: ...ry WARNING Failure to obey a safety warning can result in injury to yourself and others Always follow the safe_y precautions to reduce the risk of fire electric shock and personal injury CAUTION Fa ilure to obey a safe_y warning may result in property damage or persona I injury to yourself or to others Always follow the safety precautions to reduce the risk of fire electric shock and persona I inj...

Page 4: ...or muffler These parts get extremely hot from operation When turned off they remain hot for a short time Do not operate the engine faster than the speed needed to cut trim or edge Do not run the engine at high speed when not cutting Always stop the engine when cutting is delayed or when walking from one cutting location to another If you strike or become entangled with a foreign object stop the en...

Page 5: ...mc_ follow all w_rnings and s_tfety instructions Failure to c_oso can result in serious injury to the operator ancVor bystanclers WEAR EYE AND HEARING PROTECTION WARNING Thrown objects _tnd loud noise can cause severe eye injury anc_ he_tring loss We_r eye protection meeting ANSI Z87 1 1989 stancl_rds anc_ ear protection when operating this unit KEEP BYSTANDERS AWAY WARNING Keep all bystanclers es...

Page 6: ... burnecl These parts get extremely hot from operation When turned off they remain hot for _ short tinge SHARP BLADE WARNING Sharp blac_eon cu_ing _tt_chment shield To prevent serious injury c_onot touch line cutting blade WARNING The operation of _tny power tool c_tn cause foreign objec _s to be thrown into your eyes This c_n lead to severe eye d_n_age Before comn_encing power tool operation _lw_y...

Page 7: ...he TB75SS See list of add ons on page 11 EZ Start TM Lever Fuel Cap il Starter Rope Grip Muffler Guard Shaft Grip Spark Plug On Off Stop Control Shoulder Strap Clip Throttle Control i D Handle Shaft Housing Air Filter Muffler Cover EZ Start Lever Line Cutting Blade Cutting Attachment Shield Cutting Attachment Engine Stand Spark Plug Muffler Primer Bulb ...

Page 8: ...andle for shipping 2 Place D handle the over the shaft housing and onto the bottom clamp Fig 1 Place it a minimum of 6 inches 15 24 cm from the end of the shaft grip 3 Start screws with a large Flat head or T 20 Torx screwdriver Do not tighten until you make the handle adjustment 4 If it wes preinstalled loosen the screws on the D handle just enough to move the D handle 5 While holding the unit in...

Page 9: ...llon of fuel according to the instructions on the container NEVER add fuel additives directly to the unit s fuel tank CAUTION For proper engine operation and ms ximum reliability pay strict a_ention to the oil and fuel mixing instructions on the 2 cycle oil container Using improperly mixed fuel can severely damage the engine Thoroughly mix the proper ratio of 2 cycle engine oil with unleaded gasol...

Page 10: ...e throttle control is squeezed NOTE If the engine floods while trying to start Squeeze the throttle control Fig 3 Pull the starter rope briskly The engine should start within three 3 to eight 8 pulls 6 Squeeze the throttle control to warm up engine for 5 to 10 seconds Ez Start fMLever will click off automatically Fig 4 NOTE If enige stalls while squeezing trigger continue to squeeze trigger and pu...

Page 11: ...sier place the unit on the ground or on a work bench 1 Turn knob counterclockwise to loosen Fig 8 iiiiiiiiiiiiiiiiiiiEz Li T ii riiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiR ii tt i iiiiiiiiiiiiiii Fig6 2 While firmly holding the add on push it straight into the EZ Link _ coupler Fig 7 NOTE Aligning the release button with the guide recess will help installation Fig 8 iiiiiiiiiiiiiiiiiiiiiiiiiiii...

Page 12: ...s the cutting line becomes shorter NOTE Do not rest the Bump Head fMon the ground while the unit is running CAUTION Do not remove or alter the line cutting blade assembly Excessive line length I will make the clutch overheat This may lead to serious personal injury or damage to the unit Some line breakage will occur from Entanglement with foreign matter Normal line fatigue Attempting to cut thick ...

Page 13: ...10 Hours Clean and re oil air filter Page 16 Every 25 Hours Check spark arrestor and clean Page 17 Check spark plug condition and gap Page 19 Every 50 Hours Inspect exhaust port and spark arrestor screen for clogging Page 17 or obstruction to assure maximum performance levels LINE INSTALLATION This section covers both Split Line _ _ line and standard single line installation Always use Troy Bilt f...

Page 14: ...u have NOTE Always use the correct line length when installing trimming line on the unit The line may not release properly ff the line is too long Single Line Installation Go To Step 8 for Membrane Line Installation 6 Take approximately 20 feet 6 1 m of new trimming line loop it into two equal lengths Insert each end of the line through one of the two holes in the inner reel Fig 17 Pull the line t...

Page 15: ...pull firmly to release the line from the holding slots in the reel NOTE The spring must be assembled on the inner reel before reassembling the cutting attachment 14 Hold the inner reel in place and install the bump knob by turning clockwise Tighten securely INSTALLING A PREWOUND REEL 1 Hold the outer spool with one hand and unscrew the bump knob counterclockwise Fig 12 Inspect the bolt inside the ...

Page 16: ...ours of operation It is an important item to maintain Not maintaining the air filter will VOID the warranty 1 Remove air filter muffler cover See Removing the Air Filter Muffler Cover 2 Turn cover over and look inside to locate the air filter Remove the air filter from inside the air filter muffler cover Fig 22 3 Wash the filter in detergent and water Fig 23 Rinse the filter thoroughly Squeeze out...

Page 17: ...asket against muffler s back side Align exhaust gasket bolt holes with bolt holes in muffler While holding exhaust gasket in place insert bolts into muffler s front side Fig 26 8 Place muffler with exhaust gasket in place and bolts inserted against the engine aligning the bolt holes Tighten bolts to secure muffler to the engine If using a torque wrench torque to 80 90 in lb 9 10 2 N m _ WARNING If...

Page 18: ...efer to Air Filter Maintenance Pg 16 J Idle Speed Screw __________________________________________________________________________________________ iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii 2 Re eaSe _lle thrott e tdggeF and let the erlg n_ id e f NOTE The cutting attachment should not rotate when the engine idles 3 If the cutting attachment rotates ...

Page 19: ...damage Store the unit in a dry well ventilated area Store the unit out of the reach of children LONG TERM STOP AGE 2 3 If the unit will be stored for an extended time use the following storage procedure 1 Drain all fuel from the fuel tank into a container with the same 2 cycle fuel mixture Do not use fuel that has been stored for more than 60 days Dispose of the old fuel oil mix in accordance to F...

Page 20: ...rt _ _ Lever to the right on page 10 Drain gas tank Add fresh fuel mixture Replace or clean the spark plug Clean or replace spark arrestor ACTION Replace or clean the air filter Drain gas tank Add fresh fuel mixture Adjust per instructions on page 18 ACTION Drain gas tank Add fresh fuel mixture Take to an authorized service dealer for carburetor adjustment Stop the engine and clean the cutting att...

Page 21: ...etor Diaphragm All Position Starter Auto Rewind Muffler Baffled with Gu_rcl Throttle M_nu_l Spring Return Fuel Tank C_p_city 13 5 oz 400 ml Drive Shrift Housing Steel Tube EZ Link M Throttle Control Finger Tip Trigger Unit Weight No fuel with cu_ing attachment cutting _chment shield _nd D handle 13 25 Ibs 4 95 kg Cutting Mech_tnism Bump Heard Dual String Cu_ing Heard Line Spool Bump Line Releaser ...

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Page 23: ...urer s Warranty Coverage The warranty period begins on the date the engine or equipment is delivered to the retail purchaser The manufacturer warrants to the initial owner and each subsequent purchaser that the engine is free from defects in material and workmanship which cause the failure of a warranted part for a period of two years Repair or replacement of warranted part will be performed at no...

Page 24: ... s authorized channels of export distribution Troy Bilt LLC reserves the right to change or improve the design of any Troy Bilt Product without assuming any obligation to modify any product previously manufactured No implied warranty including any implied warranty of merchantability or fitness for a particular purpose applies after the applicable padod of express written warranty above as to the p...