Instruction/ maintenance manual of the product 850 Exmark
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METRO ® For Serial Nos. 850,000 & Higher Part No. 4500-534 Rev . B.
W ARNING CALIFORNIA Proposition 65 W ar ning The engine exhaust from this product contains chemicals kno wn to the State of Califor nia to cause cancer , bir th defects, or other reproductiv e har m. Important: IMPORT ANT The engine in this product is not equipped with a spark ar rester mufer .
Introduction CONGRATULATIONS on the purc hase of your Exmark Mo wer . This product has been carefully designed and man ufactured to gi ve you a maxim um amount of dependability and years of trouble-free operation. This manual contains operating, maintenance , adjustment, and safety instr uctions for your Exmark mow er .
Contents Introduction . . .. . . . .. . . .. . . .. . . . .. . . .. . . . .. . . .. . . . .. . . .. . . . .. . . .. . . .. . . 3 Safety .. . . . .. . . .. . . . .. . . .. . . . .. . . .. . . .. . . . .. . . .. . . . .. . . .. . . . .. . . .. . . . .. .
Safety Safety Safety Alert Symbol This Safety Alert Symbol (Figure 2) is used both in this manual and on the machine to identify impor tant safety messages whic h must be follo wed to a void accidents This symbol means: ATTENTION! BECOME ALERT! Y OUR SAFETY IS INV OL VED! Figure 2 1.
Safety DANGER In certain conditions gasoline is extremely ammable and v apors are explosiv e. A re or explosion from gasoline can burn y ou, others, and cause proper ty dama ge. • Fill the fuel tank outdoors on lev el gr ound, in an open area, when the engine is cold.
Safety Operation W ARNING Operating engine par ts, especially the mufer , become extremely hot. Sev ere bur ns can occur on contact and de bris, such as leav es, grass, br ush, etc. can catch re. • Allow engine par ts, especially the mufer, to cool before touching .
Safety DANGER Operating on w et grass or steep slopes can cause sliding and loss of control. Loss of control and/or loss of operator’ s footing could result in a fall with an ar m or leg getting under the mower or engine deck which may result in serious injur y , death or drowning .
Safety Safety and Instructional Decals • Keep all safety signs legible. R emo ve all grease, dirt and debris from safety signs and instr uctional labels . • R eplace all w or n, damaged, or missing safety signs . • When replacement components are installed, be sure that current safety signs are afx ed to the replaced components .
Safety 1-403143 98-5954 103-1623 ECS Units Only 103-1798 103–2076 103-2244 ECS Units Only 103-2245 ECS Units Only 10.
Safety 103-5626 48 inch Deck Units Only 1 17–2718 103-1967 Pistol Grip Units Only 1 1.
Specications Specications Model Numbers Serial Nos: 850,000 and Higher M16KA322P M16KA362P M16KA362 M16KA483P M16KA483 M16KA322PCA M16KA362CA M16KA483CA Systems Engine • Engine Specications: See your Engine Owner’ s Manual • RPM: Full Speed: 3600 (No Load) Fuel System • Capacity: 5.
Specications Cutting Deck • Cutting Width: – 32 inc h Deck: 31.75 inches (80.7 cm) – 36 inc h Deck: 35.38 inches (89.9 cm) – 48 inc h Dec k: 47.25 inches (120.0 cm) • Discharge: Side • Blade Size: – 32 inch Deck: 16.25 inc hes (41.3 cm) — Quantity: 2 – 36 inch Deck: 18.
Operation Product Overview Figure 3 1. Controls 4. ECS Handles 2. Fuel Cap 5. Blade Spacers 3. Pistol Grip Handles Operation Note: Deter mine the left and right sides of the machine from the nor mal operating position. Controls Operator Presence Control (OPC) Levers Located on the upper handle assembly directly abo ve the handle g rips .
Operation Figure 5 ECS Handle 1. OPC Lever 2. Rotate latch for neutral lock and park brake positions 3. Neutral Lock Latch/Park Brake Latch 4. Drive Lever Drive Levers Located on each side of the upper handle assembly ahead of and below the handle g rips (see Figure 4 and Figure 5).
Operation Pre-Start Fill fuel tank on lev el ground. F or best results use only clean, fresh regular g rade unleaded gasoline with an octane rating of 87 or higher . Important: Nev er use methanol, gasoline containing methanol, gasohol containing more than 10% ethanol, premium gasoline, or white gas because the fuel system could be damaged.
Operation 7. R emov e the key to prevent c hildren or other unauthorized persons from starting engine . 8. Close the fuel shut-off valv e when the machine will not be in use for a few days , when transporting, or when the unit is parked inside a building .
Operation T o place the driv e lev ers in the “dri v e” position, slightly squeeze the dri v e lev ers while placing thumbs on the outer thumb lobe of the neutral lock/park brake latc hes (or the index nger on the front lobe) and rotate them from under the driv e levers .
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.
Maintenance Periodic Maintenance Check Engine Oil Level Service Interval: Before each use or daily 1. Stop engine and wait for all moving parts to stop . Make sure unit is on a level surface . 2. Check with engine cold. 3. Clean area around dipstic k.
Maintenance Figure 9 1. Rod 4. Mower deck 2. Spring 5. Discharge deector bracket 3. Discharge deector 6. Assembled view 3. Hook the bent end of the rod around the front discharge deector brac ket to retain it from sliding out.
Maintenance Change Engine Oil Service Interval: After the rst 5 hours Every 100 hours (May need more often under severe conditions.) 1. Stop engine, wait for all moving parts to stop , and remov e k ey . Eng age parking brak e. 2. Drain oil while engine is warm from operation.
Maintenance Lubrication Chart (cont'd.) Fitting Locations Initial Pumps Number of Places Ser vice Inter v al 6. T rans- mission Output Shaft Coupler 2 2 2 2 40 hours 7.
Maintenance 9. R einstall upper case half and fasten in place with six bolts previously remov ed. 10. R einstall all parts remov ed in steps 3 and 4. Install driv e belt and adjust tension as stated in the T ransmission Belt Adjustment section.
Maintenance Adjustments Note: Disengage PTO , shut off engine, w ait for all moving parts to stop , engag e parking brake, and remov e key before ser vicing, cleaning, or making any adjustments to the unit. Adjusting the Cutting Height The cutting height of the mow er dec k is adjusted from 1 inc h to 4 1/4 inches (2.
Maintenance Cutting Height Adjustment T able (1 inch to 4 1/4 inches (2.5 cm-10.8 cm)) (cont'd.) Number Of Spacers Below Caster Suppor t Hub Number of 1/4 inch (.64 cm) Blade Spacers Below Spindle Cutting Height Range Axle Position (Figure 10) 1/2 inch (1.
Maintenance 8. With the jac k, raise or lower the back end of the engine dec k so that tw o axle adjustment bolts can be reinstalled in desired hole location. A tapered punch can be used to help align the holes . 9. R etighten all four bolts , low er unit and remo ve jack.
Maintenance Height Adjustment T able and notes in the Adjusting the Cutting Height section. 9. Install unused spacers betw een top of spindle and spindle nut. 10. T orque bolt to 75–80 ft-lb (102–109 N-m) (see Figure 12). Figure 12 1. Spring disc washer (cone towards bolt head) 2.
Maintenance Check belt tension after the rst hour of operation and at least twice during the rst 24 hours of operation. Adjust as necessar y . Figure 13 48 inch Deck Shown for Reference Only 1.
Maintenance distance should be betw een 1/8 inc h and 3/16 inch (3–5 mm) (see Figure 16). 5. Engag e the blade control and chec k to make sure the blade brak e pad clears the sheav e . Figure 16 Shown with Blades Disengaged 1. Blade Brake Rod 3. 1/8 inch to 3/16 inch (3–5 mm) 2.
Maintenance A. F or wheel driv e linkage adjustment, remov e the hairpin betw een the neutral lock latch and driv e lever (Figure 19). Figure 19 Left Side Shown 1. Drive Lever 4. Neutral Lock/Park Brake Latch 2. Clevis Pin 5. Hairpin 3. Drive Linkage B .
Maintenance Figure 22 Right Side of Unit Shown 1. Wingnut 5. 5/16–18 x 1 3/4 inch hex capscrew 2. T ransmission Lever in neutral 6. Drive Lever Linkage 3.
Maintenance Shifter Detent Adjustment T ransmission shifter detent can be adjusted by adjusting the setscrew on the bac k side of transmission located just behind the neutral start switch. T ur n setscrew in (clockwise) to hold the transmission shifter more positi vely in eac h gear and to increase the force on the lev er required to shift gears .
Maintenance Figure 27 1. More traction applied as bolt moves down 4. Position C–Most Severe 2. Position A–Normal Conditions 5. Front of Unit 3. Position B–More Severe Cleaning Clean Engine and Exhaust System Area Service Interval: Before each use or daily (May be required more often in dry or dirty conditions.
Maintenance Clean Debris From Machine Service Interval: Before each use or daily 1. Stop engine, wait for all moving parts to stop , and remov e k ey . Eng age parking brak e. 2. Clean off any oil, debris , or g rass build-up on the machine and cutting deck, especially under deck belt shields , around the fuel tank, around engine and exhaust area.
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: star ting problems could be caused by an empty fuel tank.
T roubleshooting Problem Possible Cause Cor rectiv e Action 1. Idler arm pulleys and driv e sheav es are dirty . 1. Remov e mud and/or grass buildup . 2. Wheel driv e belt pulley scrapers adjustment is not correct 2. Cor rect adjustment. 3. Idler pi vot arms cannot piv ot freely 3.
Schematics Schematics KEY SWITCH PT O SWITCH N.O . TRANSMISSION N.C. T O SAFETY INTERLOCK MODULE OPC SWITCH N.O . RED BLA CK BRO WN DK BLUE ORANGE YELLO W GREEN BLA CK ENGINE GROUND ENGINE KILL TERMINAL RED CONNECT ORS ARE VIEWED FROM WIRE END N.C. = NORMALL Y CLOSED N.
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 .
Notes: 40.
Notes: 41.
Service Record Date: Description of W ork Done: Service Done By: 42.
G01 1841 Figure 28 This page may be copied for personal use. 1. The maximum slope you can safely operate the machine on is 20 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 20 degrees.
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.
An important point after buying a device Exmark 850 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Exmark 850 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Exmark 850 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Exmark 850 you will learn all the available features of the product, as well as information on its operation. The information that you get Exmark 850 will certainly help you make a decision on the purchase.
If you already are a holder of Exmark 850, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Exmark 850.
However, one of the most important roles played by the user manual is to help in solving problems with Exmark 850. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Exmark 850 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
