Exmark S/N 790 manuale d’uso

LAZER Z ® MODELS For Serial Nos. 790,000 & Higher Part No. 4500-471 Rev . A[...]

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: When the mo wer is used or operated on any Califor nia forest, br ush or grass co vered land, a w orking spark arr ester must be attached to [...]

Introduction CONGRATULATIONS on the purchase of y our Exmark Mow er . T his 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 your Exmark mow er . BEFORE OPERATING Y OUR MO WER,[...]

Contents Introduction .. . . .. . . .. . . .. . . .. . . .. . . .. . . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. 3 Safety .. . . .. . . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . . .. . . .. . . .. . . .. . . .. . 5 Safety Alert Symbol . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . 5[...]

Safety Safety Safety Alert Symbol This Safety Alert Symbol (Figure 2) is used both in this man ual and on the mac hine to identify important safety messages which m ust be follow ed to av oid accidents This symbol means: ATTENTION! BECOME ALERT! Y OUR SAFETY IS INV OL VED! Figure 2 1. Safety alert symbol The safety alert symbol appears abo ve infor[...]

Safety DANGER In certain conditions gasoline is extremely ammable and v apors are explosi v e. A re or explosion from gasoline can bur n y ou, others, and cause proper ty damage. • Fill the fuel tank outdoors in an open area, when the engine is cold. Wipe up any gasoline that spills. • Never rell the fuel tank or drain the machine indo[...]

Safety CAUTION Fuel tank v ent is located inside the roll bar tube. Removing or modifying the roll bar could result in fuel leakage and violate emissions regulations. • Do Not remov e roll bar . • Do Not w eld, drill, or modify roll bar in any w ay . • Check that the operator’ s presence controls , safety switc hes , and shields are attache[...]

Safety • Be a ware of the mo wer discharge path and direct discharge a way from others . • Do Not operate the mow er under the inuence of alcohol or dr ugs . • Use extreme care when loading or unloading the machine into a trailer or tr uc k. • Use care when approac hing blind cor ners , shr ubs , trees , or other objects that ma y obscur[...]

Safety W ARNING There is no rollov er protection when the roll bar is down. Wheels dropping o ver edges, ditches, steep banks, or w ater can cause rollov er s, which may result in serious injur y , death or drowning . • Keep the roll bar in the raised and lock ed position and use seat belt. • Lower the roll bar only when a bsolutely necessar y [...]

Safety Safety and Instructional Decals • Keep all safety signs legible . R emov e all grease, dirt and debris from safety signs and instructional labels . • R eplace all w or n, damaged, or missing safety signs . • When replacement components are installed, be sure that cur rent safety signs are afx ed to the replaced components . • If a[...]

Safety 107-2102 107-21 12 109-3148 109-7232 1. Fast 3. Neutral 2. Slow 4. Reverse 109-7330 109-7929 1 1[...]

Safety 109-8483 1. Throttle–fast 3. Choke–on 2. Throttle–slow 4. Choke–off 109-9361 Deck Drive Belt Routing 109-9477 1 16-0090 1 16-0157 1. See Operator’s manual 1 16-0165 1 16-0205 12[...]

Safety 1 16-021 1 1 16-0752 1. Latch 2. Unlatch Message Display 1. Fuel 6. Hour meter 2. Empty 7. PTO 3. Half 8. Parking brake 4. Full 9. Neutral 5. Battery 10. Operator presence switch PTO Switch Symbols 1. PTO–disengage 2. PTO–engage 109-7069 13[...]

Specications Specications Model Numbers Serial Nos: 790,000 and Higher LZZ23K C486; LZZ23KA526; LZZ23K C526; LZZ27K C526; LZZ27K C606; LZZ29KA606; LZZ34KA606; LZZ34KA726 Systems Engine • Engine Specications: See y our Engine Owner’ s Manual • RPM: Full Speed: 3750 ±50 RPM (PTO not engag ed) Idle: 1500 RPM Fuel System • Capacity: 1[...]

Specications • Deck Height Adjustment Lever: Sets cutting height to desired position. • Deck Lift P edal: F oot pedal that lifts dec k. • T ransport Lock: – Latching position: A utomatically latc hes at the transport position. – Unlatching position: Deck does not latch at the transport position. Seat • T ype: Standard seat with high [...]

Specications Cutting Deck • Cutting Width: – 48 inc h Dec k: (121.9 cm) – 52 inc h Dec k: (132.1 cm) – 60 inc h Dec k: (152.4 cm) – 72 inc h Dec k: (182.9 cm) • Discharge: Side • Blade Size: (3 ea.) – 48 inch Deck: 16.25 inc hes (41.3 cm) – 52 inch Deck: 18.00 inc hes (45.7 cm) – 60 inch Deck: 20.50 inc hes (52.1 cm) – 72 i[...]

Specications T read W idth: (Center to Center of Tires, W idthwise) 48 inch Deck 52 inch Deck Driv e Wheels 36.2 inches (91.9 cm) 36.2 inc hes (91.9 cm) Caster Wheels 32.8 inches (83.3 cm) 32.8 inches (83.3 cm) 60 inch Deck 72 inch Deck Driv e Wheels 41.6 inc hes (105.7 cm) 43.6 inc hes (110.7 cm) Caster Wheels 39.5 inches (100.3 cm) 47.1 inc he[...]

Product Overview *60 inc h units whic h already hav e an under toe board mount w eight as standard requires 116-1238 front toe board top mount kit instead of 116-1173. T orque Requirements Bolt Location T orque Blade Dri ve Shea ve Mounting Nut 90-110 ft-lb (122-149 N-m) Cutter Housing Spindle Nut 160-185 ft-lb (217-251 N-m) Blade Mounting Bolt (lu[...]

Operation Operation Note: Deter mine the left and right sides of the machine from the nor mal operating position. Controls Motion Control Levers The motion control lev ers located on each side of the console control the forw ard and rev erse motion of the machine . Moving the lev ers forward or bac kward turns the wheel on the same side forward or [...]

Operation Note: The LCD indicator appears in the message display on the RH console when the park brake is engag ed (see Figure 9). Pull the lev er up and rearward to engag e the brak e . Depress the release button and push downw ard to disengag e the brak e. Figure 7 1. Release button 2. Park brake The unit m ust be tied do wn and brake engag ed wh[...]

Operation Fuel Shut-Off V alve Located behind and below the seat. The fuel shut-off valv e is used to shut off the fuel when the machine will not be used for a few da ys , during transport to and from the jobsite, and when parked inside a building . Align v alve handle with the fuel line to open. R otate 90° to close. Fuel Gauge Located on the rig[...]

Operation 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 dec k. Allow the pedal to mo ve rearward to low er the cutting deck to the cut height that has been set. T ransport Lock Located on the height of cut adjustment plates to the right of the parking brake . P ositi[...]

Operation the roll bar ma y need to be pushed forward or pulled rearward to get both knobs fully engaged (see Figure 13). Figure 13 1. Engaged 2. Partially engaged — Do Not operate with ROPS in this condition. Important: Alw ays use the seat belt with the roll bar in the operate (raised) position. Ensure that the rear par t of the seat is secured[...]

Operation Stopping the Engine 1. Bring the unit to a full stop . 2. Disengag e the PTO . 3. Mov e the motion control lev ers out to the neutral lock position. 4. Engag e the parking brake . 5. Place the throttle midw ay betw een the “SLO W” and “F AST” positions . 6. Allow the engine to r un for a minim um of 15 seconds , then turn the igni[...]

Operation Figure 15 1. Front of Unit 3. Neutral 2. Forward 4. Reverse Driving in Rev erse 1. Mov e the motion control levers inward to the neutral operate position. 2. T o mov e rearward in a straight line , mov e both levers rearward with equal pressure. T o turn left or right, release pressure on the motion control lev er tow ard the desired turn[...]

Operation Figure 17 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 W ARNING Loading a unit on a trailer or tr uck increases the possibility of backw ard tip-o ver . Backw ard tip-o ver could cause serious injur y or death. • Use extreme caution when operating a unit on a ramp . • Use only a single, full width ramp; Do Not use indi vidual ramps for each side of the unit. • If individual ramps must b[...]

Maintenance Maintenance Note: Deter mine the left and right sides of the mac hine from the nor mal operating position. W ARNING While maintenance or adjustments are being made, someone could star t the engine. Accidental star ting of the engine could seriously injure y ou or other bystanders. Remo ve the k ey from the ignition s witch, engage parki[...]

Maintenance Maintenance Ser vice Inter v al Maintenance Procedure Every 500 hours • Change the hy draulic lter and uid. • Chec k the wheel hub slotted nut torque specications . • Chec k the wheel lug nuts . • Chec k the park brake adjustment. Y early • Grease the dec k and pump idler piv ots . • Grease the front caster piv ots [...]

Maintenance Check Mower Blades Service Interval: Before each use or daily 1. Stop engine, w ait for all moving parts to stop , and remov e key . Engag e parking brake . 2. Lift dec k and secure in raised position as stated in the Clean Grass Build-Up Under Deck section. 3. Inspect blades and sharpen or replace as required. 4. R einstall the blades [...]

Maintenance second has elapsed (seat has time dela y kill switc h to prev ent cut-outs on rough terrain). R un engine at one-third throttle , engage PT O and raise of f of seat (but do not get off of machine) engine must initiate shutdown after one second has elapsed if the handles are in. The delay will be 1/2 second if the handles are out. R un e[...]

Maintenance 4. Check the condition of the inner element. R eplace whenever it appears dirty , typically ev er y other time the paper element is replaced. Clean the base around the inner element before remo ving, so dirt does not get into the engine . 5. Do Not w ash or use pressurized air to clean paper element or inner element. 6. R einstall eleme[...]

Maintenance Check Condition Of Belts Service Interval: Every 50 hours 1. Stop engine, w ait for all moving parts to stop , and remov e key . Engag e parking brake . 2. R emov e left and right belt shields on dec k and lift up oor pan to inspect dec k driv e belt. 3. Check under machine to inspect the pump dri ve belt. Note: No adjustments are re[...]

Maintenance 9. Insert the assembled nut and axle into the wheel on the side of the wheel with the new seal and bearing . 10. With the open end of the wheel facing up , ll the area inside the wheel around the axle full of NGLI grade #1 m ulti-purpose grease. 11. Insert the second bearing and new seal into the wheel. 12. Apply a thread loc king ad[...]

Maintenance 7. Before installing the new lters , apply a thin coat of Exmark Premium Hydro oil on the surface of the tw o rubber seals . 8. Install the new lters and torque to 14 ft-lb (19 N-m). 9. Fill the hy draulic system as stated in Check Hydraulic Oil Lev el section. Exmark Premium Hydro Oil is recommended. R efer to the c hart for an a[...]

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 observed, remo ve ar rester and shak e loose particles out of the ar rester and clean screen with a wire brush (soak in solvent if necessar y). Reinstall arrester on exhaust outlet. Thread Locking Adhesives Thread locking adhesiv[...]

Maintenance Figure 25 1. Foot lever 3. T ransport lock 2. Cut of height pin 6. Insert the height adjustment pin into the 3 inc h (7.6 cm) cutting height location. 7. R elease the transport lock and allow the dec k to low er to the cutting height. 8. Raise the disc harge deector . 9. On both sides of the deck, measure from the level surface to th[...]

Maintenance Figure 28 1. Single point height adjustment bolt 2. Front height-of-cut plate mounting bolt 3. Rear height-of-cut plate mounting bolt 15. T o adjust the single point system, rst loosen the front and rear height-of-cut plate mounting bolts . 16. If the dec k is too lo w , tighten the single point adjustment bolt b y rotating it clockw[...]

Maintenance 7. Raise the front of the mac hine and slide the deck left or right to remov e. 8. Low er the front of the mac hine. Pump Drive Belt T ension Self-tensioning - No adjustment necessary . Deck Belt T ension Self-tensioning - No adjustment necessary . Adjusting the Parking Brake Service Interval: After the rst 100 hours Every 500 hours [...]

Maintenance 16. Install the rear tires and torque lug nuts to 90-95 ft-lb (122-129 N-m). 17. R emov e jac k stands . Electric Clutch Adjustment No adjustment necessar y . Motion Control Linkage Adjustment Located on either side of the fuel tank, belo w the seat are the pump control linkages . Rotating the pump linkage with a 1/2 inc h wrenc h allow[...]

Maintenance Figure 32 RH Motion Control Shown 1. T orque nyloc nut to 200 in-lb (16.7 ft-lb). Bolt must protrude past end of nyloc nut after torque. A T -40 T orx bit will be necessary to hold the stud from turning. 2. Most resistance (rmest feel) 3. Damper 4. Medium resistance (medium feel) 5. Least resistance (softest feel) Motion Control Neut[...]

Maintenance 2. Slide the co ver plate backw ard or forward to adjust the trav el of the lever and tighten the screws . 3. Driv e the machine and chec k the full forw ard tracking . 4. R epeat steps 1 through 3 until desired trac king is obtained. Figure 35 RH Motion Control Shown 1. Screw 3. Motion control lever 2. Cover plate Caster Pivot Bearings[...]

Maintenance Cleaning Clean Engine and Exhaust System Area Service Interval: Before each use or daily (May be required more often in dry or dirty conditions.) CAUTION Excessi ve de bris around engine cooling air intake and exhaust system area can cause engine, exhaust area, and h y draulic system to o verheat which can create a re hazard. Clean a[...]

Maintenance CAUTION Raising the mo wer deck for ser vice or maintenance relying solely on mechanical or hy draulic jacks could be dangerous. The mechanical or h ydraulic jacks may not be enough support or may malfunction allowing the unit to fall, which could cause injur y . Do Not rely solely on mechanical or h ydraulic jacks for suppor t. Use ade[...]

T roubleshooting T roubleshooting Important: It is essential that all operator safety mechanisms be connected and in proper operating condition prior to mow er 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 follo wing table lists some of the common causes [...]

T roubleshooting Problem Possible Cause Cor rectiv e Action 1. Engine load is ex cessiv e 1. R educe the ground speed. 2. Air cleaner is dirty . 2. Clean or re place 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. R emove the obstruction[...]

Schematics Schematics Electrical Diagram G008587 PTO SWITCH SEA T SWITCH IGNITION SWITCH FUSE BLOCK REGULA TOR GROUND PTO CLUTCH ST ART RELA Y LH NEUTRAL SWITCH RH NEUTRAL SWITCH BRAKE SWITCH ST ART RED HOUR METER/MODULE L T. GREEN YELLOW T AN BRO WN WHITE ORANGE GRA Y VIOLET BLUE GREEN RED BLACK ACCESSOR Y ORANGE ORANGE MAG PINK FUEL SOLENOID BRO [...]

Schematics Electrical Logic Schematic BN BN BU BK Y W T PK BN PK OR GN S R PK PK PK L TGR GY GY PK V BN V OR GN OR R PK R BK GND PK BK BN BN BK PK BK GND 15A F4 GY R I B A W V BU V V BK + S - FUEL SENDER 10A F3 (BRAKE) SW6 PK OR R F2 25A PTO CLUTCH BU 1 2 5 4 7 8 (PTO SWITCH) SW2 25A F1 (SEA T) SW7 2 3 5 4 1 K2 (ST ART RELA Y) TVS DIODE U2 (NEUT_R)[...]

Schematics Hydraulic Diagram 49[...]

General Warranty Conditions and Products Co vered Exmark Mfg. Co. Inc. and its aff iliate, Exmark W arranty Company , 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 defec[...]

Notes: 51[...]

Notes: 52[...]

Service Record Date: Description of Work Done: Service Done By: 53[...]

54[...]

55[...]

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[...]