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MODEL NO. AG17542STB 17.5 HP 42 INCH LAWN TRACTOR • Assembly • Operation • Maintenance • For Parts and Service, contact our authorized distributor: call 1-800-849-1297 For Technical Assistance: call 1-800-829-5886 Service and Adjustments • Storage • Troubleshooting • Repair Parts 191878 Rev.
TABLE OF CONTENTS Warranty ... 2 Safety Rules ... 3 Product Specifi cations ... 6 Assembly/Pre-Operation ... 8 Operation... 11 Maintenance Schedule ... 17 LIMITED WARRANTY The Manufacturer warrants to the original consumer purchaser that this product as manufactured is free from defects in materials and work man ship. For a period of two (2) years from date of purchase by the original consumer purchaser, we will repair or replace, at our option, without charge for parts or labor incurred in replacing parts, any part which we fi...
IMPORTANT: This cutting machine is ca pa ble of amputating hands and feet and throw- ing objects. Failure to observe the fol low ing safety instructions could result in serious injury or death. WARNING: In order to prevent ac- ci den tal starting when setting up, trans- port ing, ad just ing or making repairs, always dis con nect spark plug wire and place wire where it can not contact spark...
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• Watch for holes, ruts, or bumps. Un- even terrain could overturn the machine. Tall grass can hide ob sta cles. • Use slow speed. Choose a low gear so that you will not have to stop or shift while on the slope. •...
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• Be sure the area is clear of other people before mowing. Stop machine if anyone enters the area. • Never carry passengers or children even with the blades off. • Do not mow in reverse unless ab so - lute ly necessary.
ASSEMBLY/PRE-OPERATION Your new tractor has been assembled at the factory with the exception of those parts left unassembled for shipping purposes. To ensure safe and proper operation of your tractor all parts and hardware you as sem ble must be tightened securely. Use the correct tools as nec es sary to in sure proper tightness.
4. Push down on seat to engage shoulder bolt in slot and pull seat towards rear of tractor. 5. Pivot seat and pan forward and as- sem ble adjustment bolt, lockwasher and fl at washer loosely. Do not tighten. 6. Lower seat into operating position and sit in seat.
CHECK TIRE PRESSURE The tires on your tractor were over in - fl ated at the factory for shipping pur pos es. Correct tire pressure is important for best cutting performance. • Reduce tire pressure to PSI shown in “PRODUCT SPEC I FI CA TIONS” section of this manual.
These symbols may appear on your tractor or in literature supplied with the product. Learn and understand their meaning. REVERSE HIGH NEUTRAL LIGHTS ON ENGINE ON ENGINE OFF OIL PRESSURE FUEL OVER TEMP LIGHT ATTACHMENT ATTACHMENT CLUTCH ENGAGED CLUTCH DISENGAGED FREE WHEEL (Automatic Models only) Failure to follow instructions...
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KNOW YOUR TRACTOR READ THIS OWNER'S MANUAL AND SAFETY RULES BEFORE OPERATING YOUR TRACTOR Compare the illustrations with your tractor to familiarize yourself with the locations of various controls and ad just ments. Save this manual for future reference. Attachment Clutch Lever Ammeter Throttle/Choke...
The op er a tion of any trac tor can result in foreign objects thrown into the eyes, which can result in severe eye dam age. Al ways wear safety glass es or eye shields while op er at ing your trac tor or per form ing any ad just ments or repairs.
prox i mate ly 2-1/2 inches during the cool season and to over 3 inches during hot months. For healthier and better look- ing lawns, mow often and after moder- ate growth. • For best cutting performance, grass over 6 inches in height should be mowed twice.
• If stopping is absolutely necessary, push clutch/brake pedal quickly to brake posi- tion and engage parking brake. • Move gearshift lever to 1st gear. Be sure you have allowed room for trac tor to roll slightly as you restart movement. •...
WARM WEATHER STARTING (50° F and above) 6. When engine starts, move the throt tle control to the fast position. • The attachments and ground drive can now be used. If the engine does not accept the load, restart the en gine and allow it to warm up for one minute using the choke as de scribed above.
MAINTENANCE SCHEDULE FILL IN DATES AS YOU COMPLETE REGULAR SERVICE Check Brake Operation Check Tire Pressure Check Operator Presence and Interlock Systems Check for Loose Fasteners Sharpen/Replace Mower Blades Lubrication Chart Check Battery Level Clean Battery and Terminals Check Transaxle Cooling Check V-Belts Check Engine Oil Level Change Engine Oil (with oil filter)
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TRACTOR Always observe safety rules when per- form ing any main te nance. BRAKE OPERATION If tractor requires more than fi ve (5) feet to stop at highest speed in highest gear on a level, dry concrete or paved surface, then brake must be checked and adjusted.
BATTERY Your tractor has a battery charging sys tem which is suf fi cient for normal use. How- ev er, periodic charging of the battery with an automotive charger will extend its life. • Keep battery and terminals clean. • Keep battery bolts tight. •...
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CLEAN AIR SCREEN Air screen must be kept free of dirt and chaff to prevent engine dam age from overheating. Clean with a wire brush or compressed air to re move dirt and stub- born dried gum fi bers. AIR FILTER Your engine will not run properly using a dirty air fi...
SERVICE AND ADJUSTMENTS WARNING: TO AVOID SERIOUS INJURY, BEFORE PERFORMING ANY SER- VICE OR AD JUST MENTS: 1. Depress clutch/brake pedal fully and set parking brake. 2. Place gearshift lever in neutral (N) position. 3. Place attachment clutch in “DISENGAGED” position. 4.
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Adjust the mower while tractor is parked on level ground or driveway. Make sure tires are properly infl ated (See “PROD- UCT SPECIFICATIONS” section of this man u al). If tires are over or underinfl ated, you will not properly adjust your mower. SIDE-TO-SIDE ADJUSTMENT •...
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TO REPLACE MOWER BLADE DRIVE BELT The mower blade drive belt may be re- placed without tools. Park the tractor on level surface. Engage parking brake. BELT REMOVAL - 1. Remove mower from tractor (See “TO REMOVE MOW ER” in this sec tion of manual).
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Park the tractor on level surface. En gage parking brake. For as sis tance, there is a belt installation guide decal on bottom side of left footrest. BELT REMOVAL - 1. Remove mower (See “TO RE MOVE MOWER” in this section of manual). NOTE: Observe entire motion drive belt and position of all belt guides and keepers.
TO START ENGINE WITH A WEAK BAT TERY WARNING: Lead-acid batteries gen- er ate ex plo sive gases. Keep sparks, fl ame and smoking ma te ri als away from bat- ter ies. Always wear eye pro tec tion when around batteries.
INTERLOCKS AND RELAYS Loose or damaged wiring may cause your tractor to run poorly, stop running, or prevent it from starting. • Check wiring. See electrical wiring diagram in the Repair Parts section. TO REPLACE FUSE Replace with 20 amp automotive-type plug-in fuse.
Immediately prepare your tractor for stor- age at the end of the season or if the trac- tor will not be used for 30 days or more. WARNING: Never store the trac tor with gas o line in the tank inside a building where fumes may reach an open fl...
TROUBLESHOOTING CHART PROBLEM CAUSE Will not start 1. Out of fuel. 2. Engine not “CHOKED” properly. 3. Engine fl ooded. 4. Bad spark plug. 5. Dirty air fi lter. 6. Dirty fuel fi lter. 7 Water in fuel. 8. Loose or damaged wiring. 9.
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TROUBLESHOOTING CHART PROBLEM CAUSE Loss of power 3. Build-up of grass, leaves and 3. Clean un der side of mower (continued) trash under mower. 4. Dirty air fi lter. 5. Low oil level/dirty oil. 6. Faulty spark plug. 7. Dirty fuel fi lter. 8.
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TROUBLESHOOTING CHART PROBLEM CAUSE Poor grass 1. Engine speed too slow. discharge 2. Travel speed too fast. 3. Wet grass. 4. Mower deck not level. 5. Low/uneven tire air pressure. 6. Worn, bent or loose blade. 7. Buildup of grass, leaves and trash under mower.
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