Exmark 920 manuale d’uso

PIONEER S-SERIES For Serial Nos. 920,000 & Higher Part No. 4500-898 Rev . B[...]

W ARNING CALIFORNIA Proposition 65 W ar ning The engine exhaust from this product contains chemicals known to the State of Califor nia to cause cancer , birth defects, or other reproductiv e har m. Important: The engine in this product is not equipped with a spark ar rester mufer . It is a violation of Califor nia Public Resource Code (CPRC) Sec[...]

Introduction CONGRATULATIONS on the purchase of your Exmark Mower . This product has been carefully designed and manufactured to giv e you a maximum amount of dependability and years of trouble-free operation. This manual contains operating, maintenance, adjustment, and safety instr uctions for y our Exmark mow er . BEFORE OPERATING Y OUR MO WER, C[...]

Contents Introduction . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. 3 Safety .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . 5 Safety Alert Symbol . . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . 5 Safe Operating Practices . .. .. .. .. [...]

Safety Safety Safety Alert Symbol This lawn mow er meets or ex ceeds the B71.4 specications of the American National Standards Institute in effect at the time of production. Exmark designed and tested this lawn mower to offer reasonably safe ser vice; how ev er , failure to comply with the following instructions may result in personal injur y . [...]

Safety • Inspect the area where the equipment is to be used and remov e all rocks , to ys , sticks , wires , bones , and other foreign objects whic h can be thrown b y the mac hine and may cause personal injur y to the operator or bystanders . DANGER In cer tain conditions gasoline is extremel y ammable and v apors are explosi ve. A re or e[...]

Safety Operation W ARNING Operating engine par ts, especially the mufer , become extremely hot. Severe bur ns can occur on contact and de bris, such as lea v es, grass, br ush, etc. can catch re. • Allow engine parts, especially the mufer , to cool befor e touching . • Remo ve accumulated de bris from mufer and engine area. • Inst[...]

Safety DANGER Operating on wet grass or steep slopes can cause sliding and loss of control. Wheels dropping o v er edges, ditches, steep banks, or w ater can cause rollov ers, which may result in serious injur y , death or drowning . • Do Not mo w slopes when grass is wet. • Do Not mo w near drop-of fs or near w ater . • Do Not mow slopes gre[...]

Safety • Keep engine and engine area free from accumulation of g rass , leav es , ex cessi v e g rease or oil, and other debris which can accumulate in these areas . These materials can become combustible and may result in a re . • Let engine cool before storing and Do Not store near ame or any enclosed area where open pilot lights or hea[...]

Safety W ARNING Hydraulic uid escaping under pressure can penetrate skin and cause injur y . Fluid accidentally injected into the skin must be surgically removed within a few hours by a doctor familiar with this for m of injur y or gangrene may result. • If equipped, make sure all hy draulic uid hoses and lines are in good condition and all[...]

Safety Safety and Instructional Decals • Keep all safety signs legible . R emo ve all g rease , dirt and debris from safety signs and instr uctional labels . • R eplace all worn, damaged, or missing safety signs . • When replacement components are installed, be sure that cur rent safety signs are afxed to the replaced components . • If a[...]

Safety 107-2102 109-3148 109-6014 1 16-1 1 19 1 16-1 121 1. Rotate the drive release knob to loosen, slide the knob, and tighten. 2. Push the machine. 1 16-1496 12[...]

Safety 1 16-3303 1 16-4308 1. Latch 2. Unlatch 1 16-4465 1. Fast 3. Choke-on 2. Slow 4. Choke-off PTO Switch Symbols 1. PTO–disengage 2. PTO–engage 13[...]

Safety 109-6016 1. Read the instructions before servicing or performing maintenance 4. Refer to the Operator's manual for grease instructions 2. T ime interval 5. Check hydraulic oil level and refer to the Operator's manual or further instructions 3. Check oil level 6. Check tire pressure 1 16-4430 1. Park brake — engage 4. Neutral 2. F[...]

Specications Specications Model Numbers Serial Nos: 920,000 and Higher PNS20KA443; PNS22KA483; PNS24KA523 Systems Engine • Engine Specications: See your Engine Owner’ s Manual • Engine Oil T ype: Exmark 4–Cycle Premium Engine Oil • RPM: Full Speed: 3750 ±50 RPM (PTO not engag ed) Idle: 1500 ±100 RPM Fuel System • Capacity: 7.[...]

Specications ar mrests , integral safety switc h, and seat vibration isolation system. Optional seat accessories for units with standard seats: – Custom ride suspension system to enhance Standard Seat. Adds appro ximately 3 inc hes (7.6 cm) to seat height. – Deluxe suspension seat with high bac k, (dampened, adjustable spring suspension), ar[...]

Specications Overall Length: 44 inch Deck 48 inch Deck 52 inch Deck R oll Bar - Up 78.8 inches (200.2 cm) 77.8 inches (197.6 cm) 77.8 inches (197.6 cm) R oll Bar - Down 79.6 inches (202.2 cm) 78.6 inches (199.6 cm) 78.6 inches (199.6 cm) Overall Height: Roll Bar - Up Roll Bar - Down 71.3 inc hes (181.1 cm) 48 inc hes (121.9 cm) T read Width: (Ce[...]

Operation Product Overview Figure 4 1. Rollover Protection System (ROPS) 5. Motion control levers 2. Engine Controls (right console) 6. Parking brake 3. Seat belt 7. Height of cut adjustment 4. Fuel cap Operation Note: Deter mine the left and right sides of the machine from the normal operating position. Controls Motion Control Levers The motion co[...]

Operation position. Do Not r un a war m engine with c hok e in the “ON” position. Figure 6 1. Throttle lever 4. Blade control switch (power take-off) 2. Choke lever 5. Ignition switch 3. Hour meter Throttle Control Located on right console (red lev er) (see Figure 6). The throttle is used to control engine speed. Moving the throttle lever forwa[...]

Operation The fuel shut-off v alv e is used to shut off the fuel when the machine will not be used for a few days , during transport to and from the jobsite, and when parked inside a building . Align v alv e handle with the fuel line to open. R otate 90° to close . Drive Wheel Release V alves W ARNING Hands may become entang led in the rotating dr[...]

Operation Switch must be pulled out (up) to engage the blades . Switch is pushed in to diseng age the blades . Deck Lift Pedal Located at the right front corner of the oor pan. Push the pedal forward with y our foot to raise the cutting deck. Allow the pedal to mov e rearw ard to low er the cutting deck to the cut height that has been set. Figur[...]

Operation G014402 1 2 3 4 5 Figure 1 1 1. Roll bar upper hoop 2. Knob in “latched” position 3. Pull knob to unlatch 4. Rotate 90° to hold unlatched 5. Knob in “unlatched” position 5. Make sure the knobs are fully engaged with the roll bar in the raised position. The upper hoop of the roll bar may need to be pushed forward or pulled rearw a[...]

Operation The PTO push-pull switch engag es the cutting blades . Be sure that all persons are clear of the mo wer deck and disc harge area before engaging PTO . Important: Operator must be in seat before the PTO can be engaged. 1. Set the throttle midwa y betw een the “SLO W” and “F AST” positions . 2. Pull the PTO switc h outward to engag [...]

Operation Figure 14 1. Front of Unit 3. Neutral 2. Forward 4. Reverse Driving in Rev erse 1. Mov e the motion control lev ers inward to the neutral operate position. 2. T o mo v e rearward in a straight line, mo ve both levers rearward with equal pressure. T o turn right, release pressure on the RH motion control lev er and the rear of the machine [...]

Operation Figure 16 For cutting heights above 3.5 inches (90 mm) use the bottom hole. The rollers will still be effective against scalping. 1. Anti-scalp roller mounting bracket 2. Cutting height F or Maximum Deck Flotation, place the rollers one hole position low er . R ollers should maintain 1/4 inch (6.4 mm) clearance to the ground. Do Not adjus[...]

Operation tipping backw ard. Ha ving a full width ramp provides a surface for the frame members to contact if the unit star ts to tip bac kward. If it is not possible to use one full width ramp , use enough individual ramps to simulate a full width continuous ramp . Ramp should be long enough so that the angles between the ramp and the g round and [...]

Maintenance Maintenance Note: Deter mine the left and right sides of the machine from the normal operating position. W ARNING While maintenance or adjustments are being made, someone could star t the engine. Accidental starting of the engine could seriously injure y ou or other bystander s. Remo ve the k ey from the ignition s witch, engage parking[...]

Maintenance Periodic Maintenance Check Engine Oil Level Service Interval: Before each use or daily 1. Stop engine and w ait for all moving parts to stop . Make sure unit is on a lev el surface . 2. Check with engine cold. 3. Clean area around dipstic k. Remo v e dipstick and wipe oil off . R einsert the dipstick according to the engine man ufacture[...]

Maintenance DANGER J ump star ting a w eak batter y that is crack ed, frozen, has low electrolyte level, or an open/shor ted batter y cell, can cause an explosion resulting in serious per sonal injur y . Do Not jump star t a w eak batter y if these conditions exist. 2. Make sure the booster is a good and fully charged lead acid batter y at 12.6 v o[...]

Maintenance Figure 19 1. Spindle 2. Blade 3. Splined bushing 4. Blade bolt washer assembly — T orque to 50-60 ft-lb (68-81 N-m) Apply lubricant to threads as needed to prevent seizing. Copper-based anti-seize preferable. Grease acceptable substitute. B . Apply lubricant to the threads of the blade bolt as needed to prev ent seizing . Copper based[...]

Maintenance Check Rollover Protections Systems (Roll Bar) Knobs Service Interval: Before each use or daily Check that both the mounting hardware and the knobs are in good w orking condition. Mak e sure the knobs are fully engag ed with the R OPS in the raised position. T he upper hoop of the roll bar may need to be pushed forward or pulled rearw ar[...]

Maintenance Check Hydraulic Oil Level Service Interval: Before each use or daily 1. Stop engine and w ait for all moving parts to stop . Engag e parking brake . 2. W ait until the unit cools before checking the hy draulic oil. 3. Check expansion tank and if necessary add Exmark Premium Hydro Oil to the FULL COLD line (see Figure 21). Figure 21 1. E[...]

Maintenance 2. R emov e caster wheel from caster forks . 3. R emov e seal guards from the wheel hub . 4. R emov e one of the spacer n uts from the axle assembly in the caster wheel. Note that thread locking adhesiv e has been applied to lock the spacer nuts to the axle . R emo ve the axle (with the other spacer nut still assembled to it) from the w[...]

Maintenance 5. R emov e the v ent plug on eac h transmission and ll through expansion reser v oir , when oil comes out of vent reinstall plug . Exmark Premium Hydro Oil is recommended. R efer to the chart for an acceptable alternative: Hydro Oil Chang e Interval Exmark Premium Hydro Oil (Prefer red) 500 Hours Mobil 1 15W50 250 Hours T or que plu[...]

Maintenance 3. If any breaks in the screen or w elds are obser v ed, replace arrester . 4. If plug ging of the screen is obser v ed, remove ar rester and shak e loose particles out of the ar rester and clean screen with a wire br ush (soak in solv ent if necessar y). R einstall arrester on exhaust outlet. Thread Locking Adhesives Thread loc king ad[...]

Maintenance Figure 25 44 Inch Deck 1. Blades side to side 2. Measure here 7. Set anti-scalp rollers to top holes or remov e completely for this adjustment. 8. Set the height-of-cut lever to the 3 inch (76 mm) position. Place tw o “B” thic k bloc ks (see Bloc k Height and Rak e T able) under the rear edge of the cutting deck skirt; one on each s[...]

Maintenance each side of the cutting deck. Place tw o “ A ” thick blocks (see Bloc k Height and Rak e T able in Deck Leveling ) under eac h side of the front edge of the deck, but not under the anti-scalp roller brac kets . 7. Loosen the leveling adjust loc king nuts (item 1 Figure 26) on all four corners so that the deck is sitting securely on[...]

Maintenance • Adjusting the Brak e to Engage: Shor ten the linkage by turning the yoke cloc kwise . • Adjusting the Brake to Disengag e: Lengthen the linkag e by tur ning the yok e counterclockwise . 8. R einstall the clevis pin and hair pin and tighten down the jam n ut. R epeat step 6 and readjust if necessar y . 9. When adjustment is complet[...]

Maintenance with a 1/2 inch wrenc h allo ws ne tuning adjustments so that the machine does not mov e in neutral. Any adjustments should be made for neutral positioning only . W ARNING Engine must be running and dri v e wheels must be tur ning so adjustments can be perfor med. Contact with mo ving parts or hot surfaces may cause personal injur y [...]

Maintenance Figure 32 1. Bolt 3. Nut 2. Spring 4. Additional mounting holes Up to v e springs can be secured to the seat box with a nut and bolt, see Figure 32. R efer to the P arts Manual for spring and hardware part numbers . Electric Clutch Adjustment Figure 33 1. Armature 5. Brake spacer 2. Field shell 6. Re-gap shim 3. Rotor 7. Brake pole 4[...]

Maintenance G011733 1 Figure 35 1. Feeler gauge Figure 36 1. Feeler gauge • If the gap is less than 0.010 inc h, then reinstall the shim and reference the T roubleshooting section. • If the g ap is sufcient, proceed to the safety chec k in step F. F . P erfor m the follo wing safety chec k: a. Sit on the seat and start the engine. b . Mak e [...]

Maintenance 1. Stop engine, w ait for all mo ving parts to stop , and remov e k ey . Engag e parking brake . 2. Slide seat all the w a y forward. 3. R emov e accum ulated debris from the hy dro fan cooling ns and upper surfaces . Clean Debris From Machine Service Interval: Before each use or daily 1. Stop engine, w ait for all mo ving parts to s[...]

T roubleshooting T roubleshooting Important: It is essential that all operator safety mechanisms be connected and in proper operating condition prior to mower use. When a problem occurs , do not o verlook the simple causes . F or example: starting problems could be caused by an empty fuel tank. The following table lists some of the common causes of[...]

T roubleshooting Problem Possible Cause Cor rectiv e Action 1. Engine load is ex cessiv e 1. Reduce the ground speed. 2. Air cleaner is dirty . 2. Clean or replace the air cleaner element. 3. Oil lev el in the crankcase is low . 3. Add oil to the crankcase . 4. Cooling ns and air passages for the engine are plug ged. 4. Remov e the obstr uctions[...]

Schematics Schematics Electrical Diagram 45[...]

Schematics Electrical Logic Schematic 46[...]

General W arranty Conditions and P roducts Co vered Exmark Mfg. Co. Inc. and its aff iliate, Exmark W arranty Compa ny , pursuant to an agreement between them, jointly warrant on the terms and conditions herein, that we will repair , replace or adjust any part on these products and found by us (in the exercise of our reasonable discretion) to be de[...]

Notes: 48[...]

Service Record Date: Description of W ork Done: Service Done By: 49[...]

50[...]

G01 1841 Figure 37 This page may be copied for personal use. 1. The maximum slope you can safely operate the machine on is 15 degrees . Use the slope indicator to determine the degree of slope of hills before operating. Do Not operate this machine on a slope greater than 15 degrees. Fold along the appropriate line to match the recommended slope. 2.[...]

MID-MOUNT RIDING A CCESSORIES AND OPTIONS SEE EXMARK’S COMPLETE LINE OF A CCESSORIES AND OPTIONS W ALK-BEHIND A CCESSORIES AND OPTIONS GRASS CA TCHER MICRO-MULCH SYSTEM TURF STRIPER ST ANDON CUST OM RIDE SEA T SUSPENSION SYSTEM FULL SUSPENSION SEA T DECK LIFT ASSIST KIT HITCH KIT LIGHT KIT 12 V PO WER PORT MICRO-MULCH SYSTEM OPERA T OR CONTROLLED[...]