Exmark 850 manual

LAZER Z ® ADV ANT AGE SERIES MODELS For Serial Nos. 850,000 & Higher Lazer Z (LZA) Units Part No. 4500-566 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 arr ester mufer . It is a violation of Califor nia Public Resource Code (CPRC) Sec[...]

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 man ual 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 inf[...]

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 on lev el gr ound, in an open area, when the engine is cold. W ipe up an y gasoline that spills. • Never rell the fuel tank or d[...]

Safety Operation W ARNING Operating engine parts, especially the mufer, become extremely hot. Sev ere bur ns can occur on contact and debris, such as leav es, grass, br ush, etc. can catch re. • Allow engine parts, especially the mufer, to cool before touching . • Remo ve accumulated de bris from mufer and engine area. • Install a[...]

Safety DANGER Operating on w et grass or steep slopes can cause sliding and loss of control. 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 . • Do Not mow slopes when grass is wet. • Do Not mow near drop-offs or near w ater . • Do Not mow slopes great[...]

Safety driving under any objects and Do Not contact them. • In the event of a rollov er , tak e the unit to an Authorized Service Dealer to hav e the R OPS inspected. Maintenance and Storage • Disengag e driv es , lo wer implement, set parking brake , stop engine and remo ve key or disconnect spark plug wire . W ait for all mo vement to stop be[...]

Safety W ARNING Remo ving standard original equipment par ts, or using non-Exmark replacement par ts and accessories may alter the w ar ranty , traction, and safety of the machine. F ailure to use original Exmark par ts could cause serious injur y or death. Replace all par ts including , but not limited to tires, belts, and blades with original Exm[...]

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 12[...]

Safety 109-8483 1. Throttle–fast 3. Choke–on 2. Throttle–slow 4. Choke–off 1 16-0165 For Style B Slotted Nuts — See “Wheel Hub – Slotted Nut T orque Specication” in the Maintenance section 1 16-0205 1 16-021 1 1 16-1654 1 16-2630 1 16-2643 For Style A Slotted Nuts — See “Wheel Hub – Slotted Nut T orque Specication” in [...]

Safety 1 16-2927 1. Latch 2. Unlatch 1 17-2718 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 14[...]

Specications Specications Model Numbers Serial Nos: 850,000 and Higher LZA20KAS484; LZA20KAX484; LZA20KAX524 Systems Engine • Engine Specications: See y our Engine Owner’ s Manual • RPM: Full Speed: 3750 ±50 RPM (PTO not engag ed) Idle: 1500 ±100 RPM Fuel System • Capacity: 8.0 gal. (30.3 L) • T ype of Fuel: R egular unleaded g[...]

Specications – Unlatching position: Deck does not latch at the transport position. Seat • T ype: Standard seat with foam padded seat cushion with ar mrests and integral safety switc h. Optional seat: Seat with high bac k, extra wide foam padded seat cushion with internal suspension, thic k bolstering, tw o-tone co ver , ar mrests , integ ral[...]

Specications • Cutting Height Adjustment: F oot activ ated lev er is used to adjust the cutting height from 1 1/2 inc h (3.8 cm) to 4 1/2 inc hes (11.4 cm) in 1/4 inch (6.4 mm) increments . • Mulching Kit: Optional. Dimensions Overall Width: 48 inch Deck 52 inch Deck Without Deck 45.7 inches (116.1 cm) 45.7 inches (116.1 cm) Deector Up 51[...]

Product Overview Bolt Location T orque Anti-Scalp R oller Nyloc Nut See Figure 19 30-35 ft-lb (41-47 N-m) Anti-Scalp R oller Whizlock Nut See Figure 19 30-35 ft-lb (41-47 N-m) Engine Mounting Bolts (K a wasaki 20HP) 27-33 ft-lb (37-45 N-m) Wheel Lug Nuts 90-95 ft-lb (122-129 N-m) Hydro Mounting Bolts 72-77 ft-lb (98-104 N-m) Wheel Hub Slotted Nut ([...]

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 levers located on eac h side of the console control the forw ard and rev erse motion of the machine . Moving the lev ers forward or backward turns the wheel on the same side forward or r[...]

Operation Figure 7 1. Release button 2. Park brake The unit m ust be tied do wn and brake engag ed when transporting . Ignition Switch Located on right console (see Figure 6). The ignition switch is used to start and stop the engine. The switc h has three positions “OFF”, “ON” and “ST ART”. Insert k ey into switch and rotate clockwise t[...]

Operation Drive Wheel Release V alves W ARNING Hands may become entang led in the rotating driv e components belo w the engine deck, which could result in serious injur y or death. Stop engine, remove key , allo w all the moving par ts to stop before accessing the dri ve wheel release valv es. W ARNING The engine and hy draulic driv e units can bec[...]

Operation Figure 1 1 1. Latching position 3. Non-latching position 2. T ransport lock control Pre-Start Fill fuel tank on lev el ground. F or best results use only clean, fresh regular grade unleaded gasoline with an octane rating of 87 or higher . Important: Nev er use methanol, gasoline containing methanol, gasohol containing more than 10% ethano[...]

Operation 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 with the seat latch. Open the Fuel Shut-Off V alve R otate the v alve and align with the fuel line to open. Sta[...]

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

Operation 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 right, release pressure on the RH motion control lever and the rear of the machine will mov e tow ards the rear and to the right. T o turn left, [...]

Operation 1. Stop the machine and mo ve the motion control levers outw ard to the neutral lock ed position. 2. Disengag e the PTO . 3. Engag e the park brak e. 4. Stop the engine, remo ve the k ey and wait for all moving parts to stop . 5. After adjusting the height of cut, adjust the anti-scalp rollers by remo ving the nyloc n ut, bushing, spring [...]

Operation W ARNING Loading a unit on a trailer or tr uck increases the possibility of backw ard tip-ov er . 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 individual ramps for each side of the unit. • If individual ramps must be[...]

Maintenance Maintenance Note: Determine 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 star ting of the engine could seriously injure y ou or other bystanders. Remo ve the k ey from the ignition s witch, engage parking [...]

Maintenance Maintenance Ser vice Inter v al Maintenance Procedure Every 500 hours • R eplace the secondary air cleaner element (Ma y need more often under severe conditions . See the Engine Owner’ s Man ual for additional infor mation.) • Change the hy draulic lter and uid. • Chec k the wheel hub slotted n ut tor que specications .[...]

Maintenance V oltage Reading Percent Charge Maximum Charger Settings Charging Inter v al 11.7–12.0 0–25% 14.4 volts/4 amps 3 Hours 11.7 or less 0% 14.4 volts/2 amps 6 Hours or More Recommended Jump Starting Procedure Service Interval: As required 1. Check the w eak batter y for terminal corrosion (white, green, or blue “snow”), it m ust be [...]

Maintenance Figure 20 1. Positive (+) cable on discharged battery 2. Positive (+) cable on booster battery 3. Negative (–) cable on the booster battery 4. Negative (–) cable on the engine block 5. Booster battery 6. Discharged battery 7. Engine block 4. Connect the other end of the positi ve cable to the positiv e ter minal of the booster batte[...]

Maintenance motion control levers mov ed out in the neutral lock position. The operator does not need to be in the seat to start the engine . T ry to start with operator in seat , parking brake disengag ed, PTO disengag ed and motion control levers in the neutral lock position - starter must not crank . T ry to start with operator in seat , parking[...]

Maintenance (May need more often under severe conditions. See the Engine Owner ’ s Manual for additional information.) Every 500 hours—Replace the secondary air cleaner element (May need more often under severe conditions. See the Engine Owner ’ s Manual for additional information.) 1. Stop engine, w ait for all moving parts to stop , and rem[...]

Maintenance Note: Do Not add any type of tire liner or foam ll material to the tires. Ex cessiv e loads created b y foam lled tires may cause failures to the h ydro dri ve system, frame , and other components . F oam lling tires will v oid the warranty . Check Condition Of Belts Service Interval: Every 50 hours 1. Stop engine, w ait for al[...]

Maintenance 7. Insert one bearing, one new seal into the wheel. Note: Seals (Exmark P/N 103-0063) must be replaced. 8. If the axle assembly has had both spacer nuts remov ed (or broken loose), apply a thread locking adhesiv e to one spacer nut and thread onto the axle with the wrench ats facing outw ard. Do Not thread spacer nut all of the w ay [...]

Maintenance CAUTION Raising the mow er 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[...]

Maintenance 4. If more than tw o threads (0.1 inch) are showing remo ve nut and install w asher (P/N 1-523157) between hub and nut. 5. T or que the slotted nut to 200 ft-lb (271 N-m). 6. Then tighten nut until the next set of slots line up with the cross hole in shaft. Do Not loosen nut to align the slot. If required, tighten to the next set of slo[...]

Maintenance Adjustments Note: Disengag e PTO , shut off engine, w ait for all moving parts to stop , engag e parking brak e, and remov e k ey before ser vicing, cleaning, or making any adjustments to the unit. CAUTION Raising the mow er deck for ser vice or maintenance relying solely on mechanical or hy draulic jacks could be dangerous. The mechani[...]

Maintenance Figure 29 1. Adjuster screw 2. Jam nut 11. The bac k tips of the side blades should measure 3 1/4 inches (8.3 cm). Fine tune rear adjusters as required. (The single point adjustment can be utilized to gain more adjustment.) 12. R e-measure until all four sides are the cor rect height. Tighten all the n uts on the deck lift arm assemblie[...]

Maintenance CAUTION Raising the mow er 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[...]

Maintenance Figure 32 1. 2 inch height of cut location E. Start the mow er while in the operator position. W ARNING Engine must be r unning and dri ve wheels must be tur ning so park brak e adjustment can be perfor med. Contact with mo ving par ts or hot surfaces may cause personal injur y . Keep ngers, hands, and clothing clear of rotating comp[...]

Maintenance Figure 34 3. Check the condition of the wire harness leads , connectors , and ter minals . Clean or repair as necessar y . 4. V erify that 12V is present at the clutch connector when the PTO switch is engaged. 5. Measure the gap between the rotor and ar mature . If the gap is greater than .04 inc h (1 mm), proceed with the following ste[...]

Maintenance • If the g ap is less than 0.010 inch, then reinstall the shim and reference the T roubleshooting section. • If the gap is sufcient, proceed to the safety c heck in step F. F . P erform the follo wing safety c heck: a. Sit on the seat and start the engine. b . Mak e sure the blades Do Not engag e with the PTO switch “off ” an[...]

Maintenance Motion Control Damper Adjustment The top damper mounting bolt can be adjusted to obtain a more desired motion control lever resistance . See Figure 40 for mounting options . Figure 40 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 n[...]

Maintenance Motion Control Full Forward T racking Adjustment If the machine trav els or pulls to one side when the motion control lev ers are in the full forward position, adjust the co ver plates . 1. Loosen the screws on a cov er plate (see Figure 43). 2. Slide the co ver plate backw ard or forward to adjust the trav el of the lever and tighten t[...]

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 recycling center or according to y our state and local regulations . Battery Disposal DANGER Batter y electrol yte contains sulfuric acid, which is poisonous and can cause severe bur ns. Sw allowing electrolyte can be fatal or if it touches skin can cause sev ere bur ns. • W ear safety glasses to shield eyes, and r ub ber g lov es to [...]

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 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[...]

T roubleshooting Problem Possible Cause Cor rectiv e Action 1. Fuse is blown. 1. Replace fuse. Check coil resistance, batter y charge, c harging system, and wiring connections and replace if necessar y . 2. Low voltage supply at the clutc h. 2. Chec k coil resistance, batter y charge, charging system, and wiring connections and replace if necessary[...]

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 53[...]

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: 55[...]

Notes: 56[...]

Service Record Date: Description of Work Done: Service Done By: 57[...]

58[...]

G01 1841 Figure 45 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[...]