Models: Operators manual Please read these instructions carefully and make sure you understand them before using the machine. MANUAL NO. 539107291 REV.
Congratulations on the purchase of your HUSQVARNA mower. This manual has been prepared for the owners and operators of the models called out on the front cover of this manual. Read, understand and follow the safety and operating instructions. ! WARNING Failure to follow cautious operating practices can result in serious injury to the operator or other persons. The owner must understand these instructions, and must allow only trained persons who understand these instructions to operate the mower.
CONTENTS Pump belt ................................... 15 SAFETY INSTRUCTIONS ..................... 4 General use and saftey rules ..... 4,5 Lubrication .................................. 15 Driving on slopes ....................... 5 Tire pressure .............................. 15 Children safety ........................... 5 Caster wheels ............................ 15 Service safety ............................ 5,6 Fuel filter ..................................... 15 Transportation ............
SAFETY INSTRUCTIONS IMPORTANT ! This cutting machine is capable of amputating hands and feet and throwing objects. Failure to observe the following safety instructions could result in serious injury or death. FIG - 1 General use and safety rules: Read , understand and follow all instructions in the manual and on the machine before starting. FIG - 1 Make yourself familiar with the controls and how to stop quickly. Only allow adults who are familiar with the instructions and the machine to operate it.
SAFETY INSTRUCTIONS Never operate the mower without the entire grass catcher or discharge chute in place. Use extra care when using a grass catcher on slopes. Slow down before turning. Avoid stopping and starting on slopes. Never leave the machine unattended when the engine is running. Always turn off the blades, set the parking brake, stop the engine and take out the keys before leaving the machine. Do not cut wet grass. The tires will loose grip and the machine can slide.
SAFETY INSTRUCTIONS Never operate the machine without proper guards, covers, safety switches and devices in place and properly functioning. Inspect these items regularly. If their condition or operation is questionable they must be replaced before using the machine. FIG - 2 ! DANGER THE MOWER SHALL NOT BE OPERATED WITHOUT EITHER THE ENTIRE GRASS CATCHER OR THE CHUTE DEFLECTOR COVERING THE GRASS DISCHARGE OPENING.
PRESENTATION Presentation Lawnmowers and all power equipment, can be potentially dangerous if used improperly. Safety requires good judgement, careful use in accordance with these instructions and common sense. Thank you for buying a HUSQVARNA! Before operating your new mower, read, understand and follow the safety instructions and other directions in this manual.
SETUP AND ADJUSTMENTS WARNING: No settings or adjustments are to be made unless: Engine is stopped, key has been removed, park brake is on and battery cable removed from battery. Setup Uncrate machine. Control Arm Mount rear drive wheels using the lug nuts installed on the hubs. Motion Control Lever Check the tire pressure in all four tires. All tires should be 15 psi. FIG - 3 Remove top bolt in control arm and loosen bottom bolt, rotate the control levers to the upright position.
SETUP AND ADJUSTMENTS Rotate the motion control lever out into the neutral slot. While the lever is swung out into the neutral slot pull it against the the back edge of the neutral slot. Holding the lever adjust the spring by sliding the bolt in the slot to remove all the slop and retighten the bolt. Mower Deck Leveling Position machine on a flat surface. Preferably level concrete. Check the tire pressure in all four tires. Inflation should be 15 psi.
SETUP AND ADJUSTMENTS Park Brake Adjustment 1. Stop engine and remove key. Release park brake and measure the length of the spring. The distance between the washer on each end of the spring should be 2-7/8". FIG - 7 2. If adjustment is needed, loosen the nut below the spring. Then rotate nut to desired position so the proper distance between the washers is obtained. Check other side for proper adjustment. FIG - 7 3.
OPERATING INSTRUCTIONS Run engine full throttle to make sure wheels do not rotate. Readjust if any rotation occurs. Repeat the whole process for the opposite side and tighten the nuts against the ball joints. Turn machine off. Reinstall the seat rod and check the wiring harness to the seat safety switch for a good connection and return the seat to the normal position. Operating instructions Starting and operation Operator must be sitting in the seat.
OPERATING INSTRUCTIONS By moving the levers an equal amount forward or back the machine will move in a straight line in that direction. FIG - 10 Key switch is located on the console. Used to start the machine. NOTE: Do not run the starter for more than 5 seconds at a time. If the engine will not start, wait about 10 seconds before trying again. FIG - 11 Movement of either lever forward will cause the right or left wheel to rotate in a forward direction.
MAINTENANCE Fuel shut off valve is located at the right rear of the seat. The valve has three positions a right tank, left tank and center is the off position. FIG 12. NOTE: EFI models the left position is the off position. Fuel Valve Pump release valves located at the right front corner of the pumps. Used to release the system so the machine may be moved by hand when not running. Tilt seat forward to gain access to the pumps. Use a 5/8” wrench to open valve.
MAINTENANCE Hardware Check daily. Inspect the entire machine for loose or missing hardware. Air filter See engine manufacturers specifications for cleaning and replacement intervals. Hydraulic system Check oil level in tank daily. Oil level should be 3/4” to 1” below the top of the tank. Check all fittings, hoses and lines for damage or leaks. Replace or repair any questionable lines or fittings. ONLY USE Change the oil and filter after the first 250 hours of operation then annually after that.
MAINTENANCE FIG - 16 Caster Wheels Check every 200 hours. Lift front of unit off of ground so caster wheels can rotate freely. Tighten caster bolt then back off 1/2 turn. Check that wheel rotates freely. If wheel does not rotate freely back the caster bolt off in 1/4 turn increments until wheel rotates freely. Pump belt Check belt every 100 hours for excessive wear. To replace belt. Relieve tension on the deck belt and remove deck belt from clutch. See deck belt instructions on previous page.
MAINTENANCE Torque Specifications · Engine crankshaft bolt 67 Nm(50 ft/lb) · Deck pulley bolts 61 Nm (45 ft/lb) · Hydraulic tube nuts 41 Nm (30 ft/lb) · Wheel motor hub nut 122 Nm (90 ft/lb) · Lug nuts 100 Nm (75 ft/lb) · Blade bolt 122 Nm (90 ft/lb) · Standard ¼” fasteners 12 Nm (9 ft/lb) · Standard 5/16” fasteners 25 Nm (18 ft/lb) · Standard 3/8” fasteners 44 Nm (33 ft/lb) · Standard 7/16” fasteners 70 Nm (52 ft/lb) · Standard ½” fasteners 110 Nm (80 ft/lb) 16
MAINTENANCE Maintenance Schedule For ZTH Riders Maintenance Maintance Interval (hours) Daily 25 50 100 200 250 500 X X X X Engine (4) Check oil level Change oil and filter (1) Clean the air filter’s (3) Replace air filter’s (3) Check for fuel and oil leakage Clean cooling flanges (3) Check cooling air inlet Check fuel pump’s air filter Replace fuel filter Replace plugs X Check oil level Check for oil leaks Change hydraulic oil (2) Change oil filter (2) X X Check battery Check the safety system
TROUBLE SHOOTING PROBLEM POSSIBLE CAUSES Blade switch on. Drive levers not in the neutral slots. Operator not in seat. Park brake disengaged. Dead battery. Fuel valve closed or in the wrong position. No fuel. Spark plugs defective. Spark plug wires off. ENGINE WILL NOT START. MACHINE WILL NOT MOVE OR MOVES SLOWLY OR HARD. Park brake on. Pump bypass valves open. Pump drive belt loose or off. Hydraulic system failure. Air in the hydraulic system. BLADES WILL NOT ENGAGE. Blade belt off.
Starter Switch Seat Blade Switch Right Motion Control Frame Harness P/N 104414 Engine Clutch 19 Left Motion Control CONSOLE HARNESS WIRING DIAGRAMS Hour Meter
CONSOLE HARNESS SCHEMATIC WIRING DIAGRAMS
Starter Solenoid Brake Relay Park Brake Clutch P/N 104964 Console Harness 21 Engine Pigtail Ground to Engine Start Relay FRAME HARNESS WIRING DIAGRAMS Run Relay
FRAME HARNESS WIRING DIAGRAMS