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Operators Manual Models:
968999117 / W3613ETS
968999120 / W4815ETS
Please read these instructions carefully and make
sure you understand them before using the machine.
MANUAL NO. 539106457 REV. IR (09/20/01)
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Thank you for buying an HUSQVARNA! Before operating your new mower, read, understand and follow the important safety instructions and the other instructions contained in this manual. Lawnmowers and all power equipment, can be potentially dangerous if used improperly. SAFETY REQUIRES GOOD JUDGEMENT, CAREFUL USE IN ACCORDANCE WITH INSTRUCTIONS AND COMMON SENSE. INTRODUCTION This manual has been prepared for the operators of the HUSQVARNA 36" and 48" commercial mowers. Read, understand, and follow
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Table of Contents SAFETY ................................................................................................. 4 SETUP AND ADJUSTMENTS................................................................ 5-11 OPERATION .......................................................................................... 11-12 SERVICE ............................................................................................... 13-15 MAINTENANCE CHART .................................................
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Safety ! WARNING ! : Failure to comply with the follow- 5. Fill gasoline tank before starting the engine. ing instructions may result in serious injury to Only use an approved gasoline container. Do the operator or other persons. The owner must not smoke near open gasoline containers. Do understand these instructions, and must allow not fill gasoline tank indoors or when engine is only persons who understand these instructions running or hot. Wipe off any spilled gasoline to operate the mowe
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Setup & Adjustments LINKAGE INSTALLATION MAINTENANCE 1. Keep all nuts, bolts, and screws tight to keep 1. Install drive linkage into the hole in the idler mower in safe operating condition. arm on the inside of the tank support. The drive 2. Never store the mower with gas in the tank linkages are fastened to the drive levers on the inside a building where fumes can reach an handle assembly. Secure the drive linkages to open flame or spark. Allow engine to cool the idler arm by inserting a ret
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Setup & Adjustments GAS LINE INSTALLATION BRAKE ROD ADJUSTMENT 1. The gas line is factory installed on the engine. 1. Make sure the rod is installed into the proper Attach loose end to fuel tank hose barb and hole in the brake arm. The brake rod should be secure with hose clamp. in bottom hole on the brake arm as shown below. Never use the upper hole. The proper adjustment can not be achived in this position. POSITIONING FRONT CASTER SPACERS 1. Using the cutting height chart, find the correct 2.
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Setup & Adjustments REAR AXLE HEIGHT ADJUSTMENT AXLE PIVOT BOLTS AXLE ADJUSTMENT BOLTS POSITION A PLACE JACK POSITION B HERE POSITION C LOOSEN BOLTS EACH SIDE POSITION D Figure 1 CASTER HEIGHT ADJUSTMENT MACHINERY BUSHING 1/2" SPACERS CASTER SWIVEL Figure 2 7
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Setup & Adjustments CUTTING HEIGHT ADJUSTMENT CHART NUMBER OF AXLE NUMBER OF 1/4" BLADE SPACERS CUTTING HEIGHT SPACERS BELOW POSITION UNDER CUTTER HOUSING (IN INCHES) CASTER ARM 1 1/2 4 1 3/4 3 0 2 2 2 1/4 1 2 1/2 0 A 1 3/4 4 2 3 2 1/4 1 2 2 1/2 1 2 3/4 0 2 1/2 4 2 3/4 3 2 3 2 3 1/4 1 3 1/2 0 B 3 4 3 1/4 3 3 1/2 2 3 3 3/4 1 4 0 3 1/4 4 3 1/2 3 3 3 3/4 2 4 1 4 1/4 0 C 3 1/2 4 3 3/4 3 4 4 2 4 1/4 1 4 1/2 0 3 3/4 4 4 3 4 1/4 2 4 4 1/2 1 4 3/4 0 D 4 4 4 1/4 3 5 4 1/2 2 4 3/
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Setup & Adjustments BRAKE / TRACTION ADJUSMENT OPERATOR PRESENCE SWITCH ADJUST- MENT 1. Disconnect the brake linkage from the brake The operator presence switches can be ad- band arm. justed by loosening the screws on the back side of the console and sliding the switch left or right. 2.With the mower in gear, place the drive levers The O.P. switch plunger should just come in in the drive position. Firmly pull back on the contact with the O.P. lever when the operator handles until the tires slid
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AUXILIARY BLADE DRIVE BELT BLADE ENGAGEMENT LEVER (48" MODELS ONLY) The blade engagement lever needs to be To adjust tension of the auxiliary belt rotate nut adjusted so the lever does not come in contact on linkage that is attached to deck strap located with control panel when the lever is in the off on the right side of cutter deck. See Figure 6. position. TRANSMISSION DRIVE BELT To adjust, remove the clevis pin from the yoke To increase the tension of the transmission belt, and adjust by tur
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AUXILARY BELT ADJUSTMENT ROD TURNBUCKLE 1/4" IDLER PIVOT POINT ENGAGEMENT IDLER ASSEMBLY Figure 6 BEFORE OPERATING PRE-START CHECKLIST Be thoroughly familiar with all controls and how Make the following checks and perform the to use them before operating the mower. Know services as required before each start up. beforehand how to stop the engine, drive wheels, and mower blades in preparation for 1. If required make cutting height adjustments possible emergency. and drive linkage adjustments. Re
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STARTING AND OPERATING ENGINE: START ENGINE AS FOLLOWS: 1. Move blade engagement lever to the off position so the interlock will allow engine to start. 2. Check gear shifter to be sure it is in the neutral position. 3. While on level terrain, squeeze both drive levers and lift up on the neutral bail to lock it into the neutral lock position. 4. Open fuel shut-off valve 5. Set throttle control all the way forward to the choke position. 6. Pull starter rope until engine starts. 7. Warm engine mome
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SERVICE SERVICE SERVICE SERVICE SERVICE SERVICE ASSISTANCE - 3. Engine must not start unless blades are off REPLACEMENT PARTS and transmission is in the neutral position. To retain the quality of your mower, use genuine HUSQVARNA replacement parts only. Contact 4. Do not operate the mower if the interlock your local HUSQVARNA dealer for parts and safety system allows operating or starting in any service assistance. For the correct part or unsafe condition. information for your particular mower,
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CUTTER HOUSING SPINDLE ASSEMBLIES Cutter housing assemblies use sealed bearings The cutter housing assembly is designed with a and are maintenance free. slip fit inner race and pulley. The sole purpose of the setscrew in the pulley is to hold the housing assembly together. The setscrew is NOTE not meant to secure the pulley. The pulley is WHEN PRESSING A BEARING IN OR OUT secured by pinching the pulley to the inner race OF A CUTTER HOUSING APPLY CONSTANT of the bearings using the blade bolt a
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WHEEL DRIVE BELT REPLACEMENT AUXILIARY BELT REPLACEMENT WHEEL DRIVE BELT: If belts are worn or (48" MOWERS) damaged, wheels will not drive properly. To replace either belt, proceed as follows: 1. Loosen the auxiliary belt adjusting rod. To relieve tension on the belt. See figure 6 on page 1. Unhook brake linkage from brake band arm. 11. Located between the rear deck and the rear tire. 2. Remove belt guides from the center spindle. 2. Unhook traction linkage from bellcrank. The 3. Remove belt. tr
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Maintenance Chart ITEM FREQUENCY REQUIRED SERVICE Rear Tires ........................................ Before Each Mowing .................... Inflate to Proper Pressure Front Tires ........................................ Before Each Mowing .................... Inflate to Proper Pressure Underside of Mower Deck ................ After Each Mowing ....................... Remove Grass & Debris Mower Deck ..................................... Daily ............................................. Inspe
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Model Number: Serial Number: Date of Purchase: Dealer Information: Notes: 17
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