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Models:
Operators manual
968999105 / WH3614A
968999111 / WH3615A
968999106 / WH4817A
MANUAL NO. 539104754 REV. 02 (2/22/01)
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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. Congratulations on the purchase of your Husqvarna mower. This manual has been prepared for the owners and operators of the 36" and 48” wa
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TABLE OF CONTENTS SAFETY: MAINTENANCE: 1. Training 1. Engine oil level 2. Preparation 2. Pump belt 3. Operation 3. Mower blades 4. Transportation 4. Safety interlock system 5. Maintenance 5. Hardware 6. Air cleaner SETUP AND ADJUSTMENTS: 7. Engine oil 1. Cutting height 8. Hydraulic oil 2. Motion control linkage 9. Tire pressure 3. Reverse spring detent 10. Belts 4. Blade belts 11. Lubrication 5. Engine belt guides 12. Fuel filter 6. Pump belt 13. Hydraulic filter and oil 7. Safety interlock syst
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SAFETY TRAINING: 1. Read this manual carefully and question your dealer if something is not clear. 2. Be thoroughly familiar with the controls and proper use of the equipment. 3. Never allow children, teenagers, or people unfamiliar with these instructions to use the mower. 4. Do not mow while people, particularly children, or pets are nearby. PREPARATION: 1. The use of personal protective equipment such as (but not limited to) protection for the eyes, ears, feet and head is recommended. 2. Neve
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SAFETY TRANSPORTATION: Turn off fuel valve and strap mower to trailer. MAINTENANCE: 1. Keep all nuts, bolts and screws tight to keep mower in safe operating condition. 2. Engine maintenance should comply with engine manufactures specifications. See the engine manual for specifications. 3. Never store the mower with gas in the tank inside a building where fumes can reach an open flame or spark. 4. To reduce the risk of fire, keep the mower free of grass, leaves and excessive grease or oil.
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d. Reinstall the bottom two bolts on both sides.(A tapered punch may be needed to help align the holes.) e. Retighten all four bolts both sides and remove jack. 5. Using the chart(on page 7), find the correct number of spacers to be placed under the caster swivel.(see fig. 2) NOTE: To achieve the best quality cut, the blades should be level with the ground or slightly tipped forward. REAR DECK ADJUSTMENT REAR DECK ADJUSTMENT REAR DECK ADJUSTMENT REAR DECK ADJUSTMENT REAR DECK ADJUSTMENT
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8. Turn the short linkage the proper direction in the swivel, so that when the thumb latch is engaged the wheel doesn’t turn (or it is in neutral). Reinstall the hairpins and repeat on other side. (see fig. 3) 9. After these adjustments have been made it will be necessary to adjust the reverse detent. (See reverse spring detent adjustment) Figure 3 REVERSE SPRING DETENT ADJUSTMENT 1. To check if your reverse spring detent adjustment is set right. Make sure your ground speed lever is pulled ba
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BLADE DRIVE BELT ADJUSTMENT 1. Before performing adjustments on blade belt, turn the mower off and disconnect spark plug wire or wires. 2. Remove front deck belt shield. 3. Loosen nut on turnbuckle. 4. Set belt tension when blade engagement lever is in the engaged position. 5. To increase belt tension rotate turnbuckle toward the rear of the mower until desired tension is gained. Do not over tighten belts, to much tension will reduce belt and spindle bearing life. (see fig. 5) AUXILIARY BLADE
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ENGINE BELT GUIDES 1. Before performing adjustments on belt guides, turn the mower off and disconnect spark plug wire or wires. 2. Belt guides under the engine should be adjusted as shown in figure 6. Figure 6 PUMP BELT 1. Before performing adjustments on pump belt, turn the mower off and disconnect spark plug wire or wires. 2. Check tension on the belt. If it feels loose adjustment will need to be made. 3. Loosen the nut on the bottom of the idler pulley. 4. Slide the idler pulley against the
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OPERATING INSTRUCTIONS CONTROLS: 1. Be thoroughly familiar with all controls their function and how to operate them before operating the mower. 2. Control levers: Located on each side of the handle control direction of movement. The left lever controls the flow of oil from the left hydro pump to the left wheel motor. The right lever controls the flow of oil from the right hydro pump to the right wheel motor. Ground speed lever: Located in the center of the console. Controls the forward speed of
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OPERATING INSTRUCTIONS STARTING AND OPERATION: 1. Making sure the blades are disengaged, ground speed lever in neutral, the thumb latches locked, and the fuel valve on. 2. Adjust throttle to choke (if needed) turn key to on position. 3. Pull start the engine. Once the engine is running adjust the throttle. 4. Holding down at least one of the operator presence levers, engage blades and set RPM to maximum, but not choked. NOTE: Be sure all persons are clear of area before engaging the blades. To p
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MAINTENANCE 5. Hardware: Stop engine and remove key thoroughly inspect the entire machine for any missing or loose hardware. Check daily. 6. Air cleaner: Stop engine and remove key. Remove plastic cover and loosen wingnut on the air cleaner. Remove the foam pre-cleaner and wash or replace if needed. Inspect paper filter and replace if dirty. Check every 25 hours, daily if in very dirty conditions. Fuel efficiency, engine RPM, and available power goes down rapidly if the air filter is dirty. P
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CUTTER HOUSING SPINDLE Each cutter spindle on 48" Models have a different ASSEMBLIES stack up of spacers and pulleys, to achieve proper The cutter housing assembly is designed with a belt alignment. The left cutter spindle on 48" Models slip fit inner race and pulley. The sole purpose is the same as 36" Models. See figure 7 (Refer to of the setscrew in the pulley is to hold the the parts manual when ordering parts.) housing assembly together. The setscrew is not meant to secure the pulley.
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TROUBLE SHOOTING PROBLEM POSSIBLE CAUSES 1. Blade lever engaged. Engine won’t start 2. Ground speed lever not in neutral. 3. Fuel valve closed. 4. No fuel. 5. Spark plug wires off. 6. Bad spark plugs. 7. Bad module. Mower will not move 1. Pump bypass valves open. 2. Pump drive belt loose or off. or moves slowly or with difficulty 4. Hydraulic system failure. 5. Air in the hydraulic system. Blades won’t engage 1. Blade belt off of pulleys. 2. Linkage unhooked or not adjusted. 1. Tire pr
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