Husqvarna RZ4623/967009801 manuale d’uso

Operator Manual Please read the operator’ s manual car efully and mak e sur e you understand the instructions befor e using the machine. Gasoline containing up to 10% ethanol (E10) is acceptable for use in this machine. The use of any gasoline exceeding 10% ethanol (E10) will v oid the product war ranty . RZ4623 / 967009801[...]

©2011. All rights reserved. Orangeburg, SC. Printed in U.S.A. T o implement improvements, specifications and designs can be altered without prior notification. Note that no legal demands can be placed based on the information contained in these instructions. Use only original parts for repairs. The use of other parts voids the warranty . Do not [...]

CONTENTS INTRODUCTION ............................................................... 5 Driving and T ranspor t on Public Roads ...................... 5 T owing ......................................................................... 5 Operating .................................................................... 5 Good Service ...................[...]

W ARNING! 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 . Each person operating the mower must be of sound mind and body and must not be under the in[...]

5 INTRODUCTION Congratulations Thank you for purchasing a Husqvarna ride-on mower . This machine is built for superior efficiency to rapidly mow primarily large areas. A contr ol panel easily accessible to the operator and a hydrostatic transmission regulated by steering contr ols both contribute to the machine’s perfor mance. This manual is a v[...]

6 INTRODUCTION Good Service Husqvarna's products are sold only in specialized retail stor es with complete service. This ensures that you as a customer receive only the best support and service. Before the pr oduct is delivered, the machine has, for example, been inspected and adjusted by your retailer . See the certificate in the Service Jou[...]

7 SYMBOLS AND DECALS R N These symbols are found on the machine and in the operator’s manual. Study them carefully so that you know what they mean. IMPORT ANT INFORMA TION Xxxx xxxxxx xxxxx xxxx xxxxxxxxx xxxxxx xxxxxxxxx. xx xxxxxxxx xxxx xxxxxx. Reverse Neutral Fast Slow Choke Fuel W ARNING! Xxxx xxxxxx xxxxx xxxx xxxxxxxxx xxxxxx xxxxxxxxx. xx[...]

8 SYMBOLS AND DECALS Moving sharp blades under cover W arning! Rotating blades, keep away from the discharge deck Do not touch parts Battery acid is corrosive, explosive and flammable Read Operator’s Manual Shut off engine and remove key befor e perfor ming any maintenance or repair work Keep a safe distance from the machine Use on slopes no gre[...]

9 SAFETY Safety Instructions These instructions are for your safety . Read them carefully . General Operation • Read, understand, and follow all instructions on the machine and in the manual before starting. • It is recommended that someone be awar e that you are mowing and can pr ovide help in case of injury or accident. • Do not put hands o[...]

10 SAFETY 8011-520 Ne ver tak e passengers • Disengage blades when not mowing. Shut off engine and wait for all parts to come to a complete stop before cleaning the machine, removing the grass catcher , or unclogging the discharge guard. • Operate machine only in daylight or good artificial light. • Do not operate the machine while under the[...]

11 SAFETY Personal Safety Equipment 8011-670a P ersonal protective equipment 6003-004 Mow up and do wn, not side to side • Make sure that you have first aid equipment close at hand when using the machine. • Never use the machine when barefoot. • Always wear protective shoes or boots, pr eferably with steel toe caps. • Always wear approved [...]

12 SAFETY 8011-519 Be e xtra cautious when driving on slopes 8011-517 Ne ver allo w children to operate the machine 8011-518 K eep children awa y from work area • Do not use on steep slopes. • Do not try to stabilize the machine by putting a foot on the ground. • Do not mow near drop-of fs, ditches, or embankments. The machine could suddenly [...]

13 SAFETY Safe Handling of Gasoline 8011-516 Ne ver fill the fuel tank indoors W ARNING! The engine must not be started when the driver’s floor plate or any protective plate for the mower deck’s drive belt is removed. W ARNING! The engine and the exhaust system become very hot during operation. There is risk for burns if touched. Allow engine[...]

14 SAFETY 8011-515 Ne ver driv e the machine in an enclosed space General Maintenance • Never operate machine in a closed area. • Keep all nuts and bolts tight to be sure the equipment is in safe working condition. • Never tamper with safety devices. Check their proper operation r egularly . • Keep machine free of grass, leaves, or other de[...]

15 SAFETY Sparking can occur when working with the battery and the heavy cables of the starter circuit. This can cause battery explosion, fire or eye injury . Sparking in this circuit can not occur after the chassis cable (normally negative, black) is removed from the battery . 6003-009 Do not smoke when perf or ming maintenance on the batter y . [...]

16 SAFETY IMPORT ANT INFORMA TION The parking brake is not sufficient to lock the machine in place during transport. Ensure that the machine is well fastened to the transport vehicle. Always reverse the machine onto the transport vehicle to avoid tipping it over . W ARNING! Escaping hydraulic oil under pressure can have sufficient force to penetr[...]

17 CONTROLS This operator’s manual describes the Husqvarna Zero T urn Rider . The rider is fitted with a four -stroke overhead valve engine. T ransmission from the engine is made via a belt- Control Locations driven hydraulic pumps. Using the left and right steering controls, the flow is r egulated and thereby the direction and speed. 1 2 11 13[...]

18 CONTROLS 8058-022 Steering controls Steering Control Levers The machine’s speed and direction ar e continuously variable using the two steering controls. The steering controls can be moved forwar d or backward about a neutral position. Further more, ther e is a neutral position, which is locked if the steering controls ar e moved outward. When[...]

19 CONTROLS Parking Brake Blade Switch T o engage the mower deck, pull the blade switch knob out. The mower blades are disengaged when the knob is pressed down fully . Throttle Control The throttle contr ol regulates the engine speed and the rate of rotation of the blades, assuming the blade switch is pulled out, T o increase or decrease the engine[...]

20 CONTROLS 8058-173 Choke control Ignition Switch The ignition switch is placed on the control panel and is used to start and stop the engine. On models equipped with headlights, turn the key clockwise to ACCESSOR Y for headlight use. Fuses Fuses are located on the left hand side of the machine. They are accessed by tilting the seat forward. They [...]

21 CONTROLS Fuel T ank Read the safety instructions before r efueling. The machine has one fuel tank, just behind the console. The tank capacity is 3.5 gallons (13.25 liters). Regularly check the gas cap gasket for damage and keep the cap properly tightened. The engine will run on a minimum of 85-octane unleaded gasoline (no oil mix). Environmental[...]

22 CONTROLS Fuel Shut Off V alve The fuel shut off valve is located at the left r ear of the seat. The valve is off when the handle tab is turned perpendicular to the fuel line. 8011-419 Fuel shut off valv e in the CLOSED position Cutting Height Adjuster T o set the desired deck cutting height, press the release button and move the lever forwar d t[...]

23 CONTROLS Seat Adjustment Lever The seat can be adjusted lengthways. When making adjustments, the lever under the right side of the seat is pulled up, after which the seat can be moved backward or forwar d. 8058-023 Lengthwa ys adjustment Hour Meter The hour meter displays the total operating time. It will flash CHG OIL (Change Oil) at 50 hour i[...]

24 OPERA TION Read the Safety section and following pages, if you are unfamiliar with the machine. T raining Due to unique steering capabilities, zero turn mowers are far mor e maneuverable than typical riding mowers. This section should be reviewed in its entir ety prior to attempting to move the mower under its own power . When first operating t[...]

25 OPERA TION Before Starting 1. Read the sections on Saf ety and Controls before starting the machine. 2. Perfor m the daily maintenance before starting (see Maintenance Schedule in the Maintenance section). 3. Check that there is sufficient fuel in the fuel tank. 4. Adjust the seat to the desired position. 8058-024 Secure selected cutting height[...]

26 OPERA TION Starting the Engine 1. Sit on the seat. 2. Raise the mower deck by pushing the release button on the top of the lifting lever . Pull the lifting lever backward to the locked (transport) position. 3. Activate the parking brake by pushing the release button in and pulling the lever fully upwards. 4. Disengage the mower blades by pressin[...]

27 OPERA TION 8058-186 Place controls in neutral position 8058-170 Set the throttle 8058-171 Set the choke control 5. Move the steering controls outwar d to the locked (outer) neutral position. 6. Move the throttle to the middle position. 7. If the engine is cold, the choke control should be pushed forward to the choke position.[...]

28 OPERA TION 9. When the engine starts, immediately release the ignition key back to the run position. Push the choke control in gradually when the engine has started. IMPORT ANT INFORMA TION Do not run the starter for more than 5 seconds each time. If the engine does not start, wait approximately 10 seconds before retrying. W ARNING! Engine exhau[...]

29 OPERA TION Weak Battery If the battery is too weak to star t the engine, it should be recharged. (See Battery in the Maintenance section.) Jumper Cables Use 1. Connect each end of the RED cable to the POSITIVE (+) terminal on each batter y , taking care not to short against chassis. 2. Connect one end of the BLACK cable to the NEGA TIVE (-) term[...]

30 OPERA TION Running 1. Release the parking brake by pushing the top release button in and moving the lever downwar d. NOTE: The mower is equipped with an operator presence system. When the engine is running, any attempt by the operator to leave the seat without first setting the parking brake will shut off the engine. 2. Move the steering contro[...]

31 OPERA TION Operating On Hills Read the Safety Instructions Driving on Slopes in the Saf ety section. 8058-187 P ar king brake released W ARNING! Do not drive up or down hills with slopes greater than 10 degrees. Do not drive across slopes. 8058-186 Place controls in neutral position • The slowest speed possible should be used before starting u[...]

32 OPERA TION Mowing Tips • Observe and flag rocks and other fixed objects to avoid collisions. • Begin with a high cutting height and reduce it until the desired mowing r esult is attained. The average lawn should be cut to 2½" (64 mm) during the cool season and over 3" (76 mm) during the hot months. For healthier and better looki[...]

33 OPERA TION IMPORT ANT INFORMA TION Leaving the ignition switch in any other position than OFF will cause the battery to be discharged. Stopping the Engine 1. Move the throttle to the minimum position (tortoise symbol). 2. Move the steering controls outwar d. 3. Disengage the mower deck by pressing the blade switch down. 8058-173 Disengage the mo[...]

34 OPERA TION Moving Machine By Hand When pushing or pulling the mower , engage the EZT bypass linkages. The EZT bypass linkages are located on the rear of the frame, below the rear engine guard. 1. Raise the deck into the highest cutting position. 2. Engage the parking brake. 3. Pull the EZT bypass linkages up and out of the keyhole slots. Release[...]

35 MAINTENANCE Maintenance Schedule The following is a list of maintenance procedur es that must be perfor med on the machine. For those points not described in this manual, visit an authorized service workshop. An annual service carried out by 1) First change after 8-10 hours. When operating with a heavy load or at high ambient temperatures, r epl[...]

36 MAINTENANCE 1) First change after 5-8 hours. When operating with a heavy load or at high ambient temperatures, r eplace every 50 hours. 2) In dusty conditions, cleaning and replacement ar e requir ed more often. 3) Performed by authorized service workshop. ● = Described in this manual ♦ = Not described in this manual ■ = Refer to the engin[...]

37 MAINTENANCE Battery Y our mower is equipped with a maintenance free battery and does not need servicing. However , periodic charging of the battery with an automotive type battery charger will extend its life. • Keep battery and ter minals clean. • Keep battery bolts tight. • See chart for charging times. IMPORT ANT INFORMA TION Do not att[...]

38 MAINTENANCE Safety System The machine is equipped with a safety system that prevents starting or driving under the following conditions. The engine can only be started when: 1. The mower deck is disengaged. 2. The steering controls ar e in the outer , locked neutral position. 3. The parking brake is on. Make daily inspections to ensure that the [...]

39 MAINTENANCE Tire Pressures All tires should be at 15 psi / 103 kPa / 1 bar . 8011-564 Check tire pressures Anti-scalp Rollers IMPORT ANT INFORMA TION Adjust anti-scalp rollers with the mower on a flat level surface. 8058-135 Anti-scalp rollers Anti-scalp rollers ar e properly adjusted when they are just slightly off of the gr ound when the deck[...]

40 MAINTENANCE 1 2 1 3 V -belts Check every 100 hours of operation. Check for severe cracking and large nicks. NOTE: The belt will show some small cracks in normal operation. The belts are not adjustable. Replace belts if they begin to slip from wear . Deck Belt Removal 1. Park on a level surface. Apply parking brake. 2. Lower the deck into the low[...]

41 MAINTENANCE 1 3 2 IMPORT ANT INFORMA TION Special blade bolt is heat treated. Replace with a Husqvarna bolt if required. Do not use lower grade hardware than specified. 8058-129 1. Blade 2. Blade bolt (special) 3. Spindle housing Blade attachment Cutting Blades T o attain the best mowing effect, it is important that blades are well sharpened an[...]

42 MAINTENANCE Adjusting the Mower Deck Leveling deck Adjust the deck while the mower is on a level surface. Make sure the tires ar e inflated to the correct pressur e. See T echnical Data / T ransmission. If tires ar e under or over inflated, the deck cannot be properly adjusted. Raise the deck to the highest (transport) position. The deck shoul[...]

43 MAINTENANCE Caster Wheels Check every 200 hours. Check that wheels rotate freely . If wheels do not r otate freely take the unit to your dealer for service. Foam filled tires or solid tir es will void the warranty . Removal and installation of caster wheel 1. Remove nut and caster bolt. 2. Pull the wheel out of the yoke and take care of the spa[...]

44 LUBRICA TION General Remove the ignition key to prevent unintentional movements during lubrication. When lubricating with an oil can, it must be filled with engine oil. When lubricating with gr ease, unless otherwise stated, use a high grade molybdenum disulphide grease. For daily use, the machine should be lubricated twice weekly . 12/12 Every[...]

45 LUBRICA TION Wheel and Deck Zerks Use only good quality bearing grease. Grease fr om well-known brand names (petrochemical companies, etc.) usually maintains a good quality . Front Wheel Mount Lubricate 3-4 strokes with a gr ease gun on each set of wheel bearings. Front Wheel Bearings Lubricate 3-4 strokes with a gr ease gun on each set of wheel[...]

46 TROUBLESHOOTING Problem Cause Engine will not start • Blade switch is engaged. • Steering controls ar e not locked in the neutral position • Parking brake is not activated • Battery is dead • Contamination in the carburetor or fuel line. • Fuel supply is closed or the shutoff valve for the fuel tank is in the wrong position • Clogg[...]

47 TROUBLESHOOTING Problem Cause Engine overheats • Clogged air intake or cooling fins • Engine overloaded • Poor ventilation around engine • Defective engine speed regulator • T oo little or no oil in the engine • Contamination in the carburetor or fuel line. • Fouled spark plugs Battery not charging • Poor contact of the battery [...]

48 ST ORAGE Winter Storage The machine should be readied for storage at the end of the mowing season or if it will not be in use for longer than 30 days. Fuel allowed to stand for long periods of time (30 days or more) can leave sticky residues that can plug the carbur etor and disrupt engine function. Fuel stabilizers are an acceptable option as r[...]

49 SCHEMA TICS[...]

50 TECHNICAL DA T A Engine crankshaft bolt 50 ft/lb (67 Nm) Deck pulley bolts 150 ft/lb (203 Nm) Lug nuts 75 ft/lb (100 Nm) Blade bolt 90 ft/lb (122 Nm) Standard ¼" fasteners 9 ft/lb (12 Nm) Standard 5 / 16 " fasteners 18 ft/lb (25 Nm) Standard 3 / 8 " fasteners 33 ft/lb (44 Nm) Standard 7 / 16 " fasteners 52 ft/lb (70 Nm) Stan[...]

51 TECHNICAL DA T A Frame Cutting Width 46" / 117cm Cutting Height 1.5 - 4" / 3.8 - 10.2 cm Uncut Circle 0 Number of Blades 2 Blade Length 15" / 38 cm Nose Rollers No Sprung Seat Standard Hour Meter Standard Blade Engagement Electromagnetic Clutch Deck Construction Stamped Productivity 2.4 acr es/h / 9712 m 2 /h Dimensions Weight 580[...]

52 CONFORMITY CERTIFICA TES USA requirements Labels are placed on the engine and/or in the engine compartment stating that the machine will fulfill the requir ements. This is also applicable to special requir ements for any of the states, (Califor nia emission rules etc.). Do not remove any of these labels. Certificates can also be supplied with [...]

SER VICE JOURNAL Action Date, mtr reading, stamp, sign 53 Delivery Service Charge the battery q Adjust the tire pr essure of all wheels to 15 PSI (1 bar) q Mount the steering controls in the normal position q Connect the contact box to the cable for the seat’s safety switch q Check that the right amount of oil is in the engine q Adjust the positi[...]

SER VICE JOURNAL Action Date, mtr reading, stamp, sign 54 54 SER VICE JOURNAL Action Date, mtr reading, stamp, sign Action Date, mtr reading, stamp, sign 25-Hour Service Check the fuel pump’s air filter q Sharpen/Replace mower blades if requir ed q Check the tire pr essures q Check battery with cables q Lubricate according to lubrication chart q[...]

SER VICE JOURNAL Action Date, mtr reading, stamp, sign 55 55 SER VICE JOURNAL Action Date, mtr reading, stamp, sign Action Date, mtr reading, stamp, sign 100-Hour Service Perfor m the 25-hour service q Perfor m the 50-hour service q Change the engine oil filter q Clean/replace the spark plugs q Replace the fuel filter q Check V -belts q Check tig[...]

SER VICE JOURNAL Action Date, mtr reading, stamp, sign 56 56 SER VICE JOURNAL Action Date, mtr reading, stamp, sign Action Date, mtr reading, stamp, sign At Least Once Each Y ear Clean the engine’s cooling air intake (25 hours) q Replace the air cleaner’s pre-filter (foam) (300 hours) q Replace the air filter’s paper cartridge q Change the [...]

SER VICE JOURNAL Action Date, mtr reading, stamp, sign 57[...]

SER VICE JOURNAL Action Date, mtr reading, stamp, sign 58[...]

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