Exmark 850 manual

QUEST ® SP MODELS For Serial Nos. 850,000 & Higher Part No. 4500-582 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: 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 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 inf[...]

Safety thrown b y the mac hine and ma y cause personal injur y to the operator or b ystanders . 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[...]

Safety functioning properly . Do Not operate unless they are functioning properly . Operation W ARNING Operating engine par ts, 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 par ts, especially the mufer, to cool before touching[...]

Safety Slope Operation Use Extreme caution when mo wing and/or turning on slopes as loss of traction and/or tip-o v er could occur . The operator is responsible for safe operation on slopes . 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 r[...]

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 locked position and use seat belt. • Low er the roll bar only when a bsolutely necessar y [...]

Safety • Chec k for proper brak e operation frequently . Adjust and ser vice as required. • Charge batteries in an open w ell v entilated area, aw ay from spark and ames . Unplug c harger before connecting or disconnecting from battery . W ear protecti ve clothing and use insulated tools . DANGER Charging the batter y may produce explosiv e [...]

Safety Safety and Instructional Decals • K eep all safety signs legible . R emov e all grease, dirt and debris from safety signs and instructional labels . • R eplace all w orn, 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 103-3270 107-2102 109-3148 109-6014 109-9173 1. Parking brake 4. Neutral 2. Fast 5. Reverse 3. Slow 6. Machine speed 109-9182 1. Machine speed 4. Neutral 2. Fast 5. Reverse 3. Slow 12[...]

Safety 1 12-8651 1. Interval 2. Power T ake-off (PT O) 3. Parking brake 4. Neutral 5. Operator presence switch 6. Battery 1 16-1 1 18 1. Height of cut 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 1 16-2577 1. Fast 4. Choke-on 2. Continuous variable setting 5. Choke-off [...]

Safety PTO Switch Symbols 1. PTO–disengage 2. PTO–engage 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 for further instructions 3. Check oil level 6. Check tire pressure[...]

Safety 1 16-2834 15[...]

Specications Specications Model Numbers Serial Nos: 850,000 and Higher QSP20BV443; QSP20KAS443; QSP20KAS483; QSP20KAX443; QSP22KAS523 Systems Engine • Engine Specications: See your Engine Owner’ s Manual • RPM: – 20HP Brig gs & Stratton Full Speed: 3750 ±50 (max) RPM (PTO not engag ed) Idle: 1650 (min) RPM – 20HP & 22HP [...]

Specications • Mounting: Hinged to tilt up for access to hy draulic pumps , battery and other components . Held in tilted position with lanyard. Adjustable fore and aft. • Ar mrests: Standard–foam padded ip-up adjustable height ar mrests . • Seat Safety Switc h: Incorporated into the Safety Interlock System. Hydrostatic Ground Drive S[...]

Product Overview T read W idth: (Center to Center of Tires, W idthwise) 44 inch Deck 48 inch Deck 52 inch Deck Driv e Wheels 36.0 inc hes (91 cm) 36.0 inc hes (91 cm) 37.2 inc hes (96 cm) Caster Wheels 26.7 inc hes (68 cm) 33.5 inc hes (85 cm) 33.5 inc hes (85 cm) Wheel Base: (Center of Caster T ire to Center of Drive T ire) 44 inch 48 & 52 inc[...]

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 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 to the “ON” position. R otate clockwise to the next position to engag e the starter (key must be held against spring pressure in this position). Allo w the k ey to[...]

Operation Figure 9 1. Front of the machine 2. Rotate bypass release knob counterclockwise to loosen 3. Lever position for operating the machine 4. Pull lever in this direction to push the machine 5. Lever position for pushing the machine 6. Rotate bypass release knob clockwise to tighten 7. Release lever T o release the dri ve system (see item 1 in[...]

Operation than 10% ethanol, premium gasoline, or white gas because the fuel system could be damaged. Do Not add oil to gasoline. Do Not ov erll fuel tank. Fill the fuel tank to the bottom of the ller nec k. The empty space in the tank allows g asoline to expand. Ov erlling may result in fuel leakage or damage to the engine or emission syst[...]

Operation Open the Fuel Shut-Off V alve The fuel shut off v alve is located behind and below the seat. R otate the v alve and align with the fuel line to open. Starting the Engine 1. Mov e the motion control lev ers out to the neutral lock position. 2. Pull up and bac k on the parking brak e lev er to engag e the parking brake . 3. Push do wn on th[...]

Operation Driving the Machine CAUTION Machine can spin v er y rapidly by positioning one lev er too much ahead of the other . Operator may lose control of the machine, which may cause damage to the machine or injur y . • Use caution when making tur ns. • Slow the machine do wn before making shar p tur ns. Important: T o begin mov ement (forward[...]

Operation 3. Raise the dec k to the transport position, 5 inch (12.7 cm), b y pushing the foot actuated lev er forward. The spring loaded transport pin will automatically engage and will click into place . Note: When changing the cutting height positions, always come to a complete stop and disengage the PT O . Figure 15 1. T ransport release handle[...]

Operation T ransporting T ransporting a Unit Use a heavy-duty trailer or tr uc k to transport the machine . Loc k brake and bloc k wheels . Securely fasten the machine to the trailer or tr uc k with straps , chains , cable , or ropes . Be sure that the trailer or tr uc k has all necessary lighting and marking as required by law . Secure a trailer w[...]

Operation Important: Do Not attempt to tur n the unit while on the ramp, y ou may lose control and driv e off the side. A void sudden acceleration when driving up a ramp and sudden deceleration when bac king do wn a ramp . Both maneuv ers can cause the unit to tip bac kward. 27[...]

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 Periodic Maintenance Check Engine Oil Level Service Interval: Before each use or daily 1. Stop engine and wait for all mo ving parts to stop . Make sure unit is on a lev el surface . 2. Check with engine cold. 3. Clean area around dipstic k. Remo ve dipstic k and wipe oil off . Reinsert the dipstick according to the engine man ufacturer[...]

Maintenance DANGER J ump starting a weak batter y that is crack ed, frozen, has low electrolyte lev el, or an open/shor ted batter y cell, can cause an explosion resulting in serious personal injur y . Do Not jump star t a weak 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 olts[...]

Maintenance Figure 19 1. Spindle 2. Blade 3. Blade drive washer 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 prevent seizing . Copper bas[...]

Maintenance Check Rollover Protection System (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. Make sure the knobs are fully engag ed with the R OPS in the raised position. The upper hoop of the roll bar ma y need to be pushed forward or pulled rearward to[...]

Maintenance Figure 21 1. Engine 2. Expansion tank Check Tire Pressures Service Interval: Every 25 hours 1. Stop engine, w ait for all moving parts to stop , and remov e key . Engag e parking brake . 2. Check tire pressure in dri ve tires . 3. Inate driv e tires to 13 psi (90 kP a). 4. Check tire pressure in caster tires . 5. Inate caster tire[...]

Maintenance Hydro Oil Change Inter v al Exmark Premium Hy dro Oil (Preferred) 500 Hours Mobil 1 15W50 250 Hours T or que plugs to 180 in-lb (244 N-m). Contin ue to add oil until it reac hes the FULL COLD line on the expansion reser v oir . Figure 22 1. Oil lter 3. Left rear tire 2. V ent plug 6. Raise the rear of machine up and support with jack[...]

Maintenance 2. W ait for m ufer to cool. 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 [...]

Maintenance Figure 23 48 and 52 Inch Decks 1. Blades side to side 2. Measure here Figure 24 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 lev er to the 3 inch (76 mm) position. Place tw o “B” thic k bloc ks (see Block Height and Rak [...]

Maintenance Checking the Tire Pressure in Dri ve System Maintenance section. 5. Check and adjust the side-to-side blade lev el if you ha ve not c heck ed the setting; refer to Deck Leveling . 6. Set the height-of-cut lev er to the 3 inch (76 mm) position. Place tw o “B” thic k bloc ks (see Block Height and Rake T able in Deck Lev eling ) under [...]

Maintenance or when a brak e component has been remov ed or replaced. 1. Driv e the mac hine onto a lev el surface . 2. Disengag e the blade control switc h (PTO), mov e the motion control lev ers to the neutral loc ked position and set the parking brak e. 3. Stop the engine , wait for all moving parts to stop , and remov e the key . 4. Setup the m[...]

Maintenance 1. Loosen the upper bolt holding the control lev er to the control arm shaft. 2. Loosen the low er bolt just enough to piv ot the control lev er fore or aft Figure 30. Tighten both bolts to secure the control in the new position. 3. R epeat the adjustment for the opposite control lever . Full Forward T racking Adjustment If the machine [...]

Maintenance the mac hine to cool completely before starting these instr uctions . 2. Using a pneumatic line, blo w out any debris from under the brake pole and around the brake spacers . 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 conne[...]

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 W aste Disposal Motor Oil Disposal Engine oil and h ydraulic oil are both pollutants to the en vironment. Dispose of used oil at a certied 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 allowi[...]

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 cessive 1. Reduce the ground speed. 2. Air cleaner is dirty . 2. Clean or replace the air cleaner element. 3. Oil level in the crankcase is low . 3. Add oil to the crankcase. 4. Cooling ns and air passages for the engine are plug ged. 4. Remove the obstructions from[...]

Schematics Schematics Electrical Diagram PTO SWITCH SEAT SWITCH IGNITION SWITCH REGULATOR GROUND LH NEUTRAL SWITCH RH NEUTRAL SWITCH BRAKE SWITCH HOUR METER/MODULE MAG FUEL SOLENOID ENGINE START RELAY A R I S B PINK PINK PINK BLACK BLACK ORANGE RED RED GRAY VIOLET VIOLET RED BROWN BROWN BROWN PINK WHITE GREEN LIGHT GREEN TAN VIOLET YELLOW BROWN BLU[...]

Schematics Electrical Logic Schematic S B I A R KEY SW VIEWED FROM BA CK OF SWITCH OFF = NO CONNECTION ON = B R I A ST ART = B R I S KEY SWITCH S R I B A OR OR 7 F4 ENGINE GRD OPTIONAL ACCESSORIES CONNECTOR 8 OR PK PK 1 2 5 7 9 8 5 10 6 6 B A BN BN VIO Y T BN OR R 30A 1 F1 2 BN BK BK GROUND PTO NEUTRAL BRAKE SEA T KEY A B+ FUEL SOLENOID MAGNET O ST[...]

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: 48[...]

Service Record Date: Description of Work 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[...]