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Exmark LZ27KC604 - page 1
For Serial Nos. 720,000 & Higher LAZER Z ® LZ27K C604 MODEL ONL Y Place Model No. and Serial No. Label Here (Included in the Literature Pack) or Fill in Below Date Purchased Engine Model No. and Spec. No. Model No. Engine Serial No. (E/No) Serial No. Part No. 4500-246 Rev . A ...
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Exmark LZ27KC604 - page 2
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, bir th defects, or other reproductive har m. Important: W hen the mower is used or operated on an y Califor nia forest, brush or grass cov ered land, a w orking spark arr ester must be attached to t ...
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Exmark LZ27KC604 - page 3
EXMARK P AR TS PLUS ® PROGRAM EFFECTIVE D A TE: September 1, 1995 Program If your Exmark dealer does not hav e the Exmark part in stock, Exmark will get the parts to the dealer the next b usiness day or the part will be FREE* Guaranteed!! How the Pr ogram W orks 1. If dealer does not hav e part in stock for a "down" unit at the time of r ...
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Exmark LZ27KC604 - page 4
Introduction CONGRATULATIONS on the purc hase of y our Exmark Mo wer . This product has been carefully designed and man ufactured to gi v e you a maximum amount of dependability and years of trouble-free operation. This man ual contains operating, maintenance , adjustment, and safety instructions for y our Exmark mow er . BEFORE OPERATING Y OUR MO ...
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Exmark LZ27KC604 - page 5
Contents Introduction .. . . .. . . .. . . .. .. . . .. . . .. . . .. .. . . .. . . .. . . .. .. . . .. . . .. . . .. .. . 4 Safety . . . .. . . .. . . .. . . .. .. . . .. . . .. . . .. .. . . .. . . .. . . .. .. . . .. . . .. . . .. .. . . .. . . .. 6 Safety Alert Symbol . .. . . .. .. . . .. . . .. . . .. . . .. .. . . .. . . .. . . .. .. 6 Safe ...
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Exmark LZ27KC604 - page 6
Safety Safety Safety Alert Symbol This Safety Alert Symbol (Figure 2) is used both in this manual and on the mac hine to identify important safety messages whic h 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 abov e infor ...
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Exmark LZ27KC604 - page 7
Safety DANGER In cer tain 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 rell the fuel tank or drain the machine ind ...
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Exmark LZ27KC604 - page 8
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, brush, etc. can catch re. • Allow engine par ts, especially the muf er , to cool befor e touching . • Remo ve accumulated de bris from mufer and engine area. • Inst ...
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Exmark LZ27KC604 - page 9
Safety DANGER Operating on wet grass or steep slopes can cause sliding and loss of control. Wheels dropping ov er edges, ditches, steep banks, or w ater can cause rollo vers, which may result in serious injur y , death or drowning . • Do Not mo w slopes when grass is wet. • Do Not mow near drop-of fs or near w ater . • Do Not mo w slopes grea ...
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Exmark LZ27KC604 - page 10
Safety 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 before adjusting, cleaning or repairing . • Keep engine, engine area, and pump dri v e belt compartment free from accum ulation of g rass , leav es , ex cessiv e g ...
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Exmark LZ27KC604 - page 11
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 worn, damaged, or missing safety signs . • When replacement components are installed, be sure that current safety signs are afx ed to the replaced components . • If an a ...
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Exmark LZ27KC604 - page 12
Safety 1–633922 1–643222 1–643339 98-5954 103-1798 103–3270 103–4474 12 ...
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Exmark LZ27KC604 - page 13
Safety 103-4930 103-5881 103–6319 107-2102 107-21 12 13 ...
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Exmark LZ27KC604 - page 14
Safety 109-1214 109-1215 109-3148 109–7949 103–9255 14 ...
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Exmark LZ27KC604 - page 15
Specications Specications Model Numbers Serial Nos: 720,000 and Higher LZ27K C604 Systems Engine • Engine Specications: See your Engine Owner’ s Manual • RPM: Full Speed: 3750 ±50 RPM (No Load) Idle: 1500 RPM Fuel System • Capacity: 13.5 gal. (51.0 L) • T ype of Fuel: Regular unleaded gasoline, 87 octane or higher . • Fuel Fil ...
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Exmark LZ27KC604 - page 16
Specications – Optional suspension seat: molded adjustable ip-up ar mrests . • Seat Safety Switc h: Incorporated into the Safety Interlock System. Time delay seat switc h eliminates rough ground cut-outs . Hydrostatic Ground Drive System • Hydrostatic Pumps: T w o Hydro Gear variable displacement piston pumps . • Wheel Motors: T w o P ...
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Exmark LZ27KC604 - page 17
Product Overview Overall Height: Roll Bar - Up Roll Bar - Do wn 71.9 in. (182.6 cm) 53.8 inc hes (136.7 cm) T read Width: (Center to Center of Tires, W idthwise) Driv e Wheels 41.9 inc hes (106.4 cm) Caster Wheels 37.3 inches (94.7 cm) Wheel Base: (Center of Caster T ire to Center of Drive T ire) 53.7 inc hes (136.4 cm) Curb W eight: 1290 lb (585 k ...
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Exmark LZ27KC604 - page 18
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 forward and rev erse motion of the machine . The lev ers control the ow of h ydraulic oil from the h ydrostatic pump to the dri ...
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Exmark LZ27KC604 - page 19
Operation Drive Wheel Release V alves Located on the top right front corner of h y drostatic pumps . Driv e wheel release v alv es are used to release the hy drostatic dri ve system to allo w the machine to be pushed without the engine running . Unhook seat latch and tilt seat up to gain access to pumps . With a 7/16 inch wrenc h, turn both v alv e ...
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Exmark LZ27KC604 - page 20
Operation 4. Place the throttle midwa y between the “SLO W” and “F AST” positions . 5. On a cold engine , push the chok e lev er forw ard into the “ON” position. On a w ar m engine, leav e the chok e in the “OFF” position. 6. T urn ignition switc h to the “ST ART” position. R elease the switc h as soon as the engine starts. Impo ...
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Exmark LZ27KC604 - page 21
Operation When lev ers are centered in the T -slot the dri ve system is in the neutral position. With levers mov ed out in the T -slot the driv e system is in the neutral loc k position (Figure 6). Figure 6 1. Handles Out (Neutral Lock) 5. Neutral 2. Handles In (Neutral) 6. Reverse 3. Front of Unit 7. Neutral Lock 4. Forward Driving F orw ard 1. R ...
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Exmark LZ27KC604 - page 22
Operation deck lift assist lever located at the front right corner of the oor pan. Note: When changing the cutting height positions, alw ays come to a complete stop and disengage the PTO . Figure 8 1. Lever in transport and 5 inch (12.7 cm) cutting height position 4. Insert the height adjustment pin into the hole cor responding to the desired cu ...
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Exmark LZ27KC604 - page 23
Operation Figure 10 1. Spring disc washer (cone towards nut ) 3. 3/8 nyloc-torque to 30-35 ft-lb (41-47 N-m) 2. Front right anti-scalp bracket shown 4. 3/8-16 whizlock nut torque to 30-35 ft-lb (41-47 N-m) T ransporting T ransporting a Unit Use a heavy-duty trailer or truck to transpor t the machine . Lock brake and bloc k wheels . Securely fasten ...
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Exmark LZ27KC604 - page 24
Operation Important: Do Not attempt to tur n the unit while on the ramp, y ou may lose control and driv e of f the side. A v oid sudden acceleration when dri ving up a ramp and sudden deceleration when backing do wn a ramp . Both maneuvers can cause the unit to tip backw ard. 24 ...
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Exmark LZ27KC604 - page 25
Maintenance Maintenance Note: Determine the left and right sides of the machine from the nor mal operating position. W ARNING While maintenance or adjustments are being made, someone could start the engine. Accidental star ting of the engine could seriously injure y ou or other bystanders. Remo ve the k ey from the ignition switch, engage parking b ...
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Exmark LZ27KC604 - page 26
Maintenance Maintenance Service Inter v al Maintenance Procedure Every 200 hours • Grease the brake brackets . Every 500 hours • Check the wheel hub slotted nut torque specications . • Check the wheel lug n uts . Monthly • Check the batter y charge. Y early • Grease front caster pi vots . • Grease the dec k dri ve belt idler arm. • ...
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Exmark LZ27KC604 - page 27
Maintenance V oltage Reading Percent Charge Maximum Charger Settings Charging Inter v al 12.6 or g reater 100% 16 v olts/7 amps No Charging R equired 12.4 – 12.6 75–100% 16 volts/7 amps 30 Min utes 12.2 – 12.4 50–75% 16 v olts/7 amps 1 Hour 12.0–12.2 25–50% 14.4 v olts/4 amps 2 Hours 11.7–12.0 0–25% 14.4 v olts/4 amps 3 Hours 11.7 o ...
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Exmark LZ27KC604 - page 28
Maintenance 1. Check starting circuit. Starter should crank with, parking brake engaged , PTO disengaged and motion control lev ers mov ed out in the neutral lock position. The operator does not need to be in the seat to start the engine . T r y to start with operator in seat , parking brak e disengag ed, PTO disengaged and motion control levers in ...
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Exmark LZ27KC604 - page 29
Maintenance 6. Do Not w ash or use pressurized air to clean paper element or inner element. 7. R einstall elements . P osition the co ver so that the r ubber dust ejector is pointing downw ard and secure with retaining clips . Change Engine Oil Service Interval: After the rst 5 hours Every 100 hours/Y early (whichever comes rst) (May need mor ...
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Exmark LZ27KC604 - page 30
Maintenance Lubrication Char t Fitting Locations Initial Pumps Number of Places Ser vice Inter v al 1. Front Caster Wheel Hubs *0 2 *Y early 2. Front Caster Piv ots *0 2 *Y early 3. Height Adjustment Shaft Bearings 1 5 40 Hours 4. Deck Driv e Belt Idler Ar m 1 1 Y early 5. Brake Brack ets 1 2 200 Hours 6. Mule Driv e Belt Idler Ar m 1 1 Y early 7. ...
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Exmark LZ27KC604 - page 31
Maintenance 4. R emov e one of the spacer nuts from the axle assembly in the caster wheel. Note that thread locking adhesiv e has been applied to loc k the spacer n uts to the axle . Remo ve the axle (with the other spacer nut still assembled to it) from the wheel assembly . 5. Pr y out seals , and inspect bearings for wear or damage and replace if ...
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Exmark LZ27KC604 - page 32
Maintenance Change Fuel Filter Service Interval: As required A fuel lter is installed betw een the fuel tanks and the engine. Replace when necessar y . Replacement Filters Kohler Kohler P/N 2405010 Change Hydraulic System Filter Service Interval: After the rst 250 hours Y early thereafter Note: Use only Exmark P art No . 109-4180 for summer u ...
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Exmark LZ27KC604 - page 33
Maintenance • Caster wheel spacer n uts . • Fuel tank bulkhead tting n uts . Adhesiv es suc h as “Loctite R C/609 or R C/680” or “F el-Pro Pro-Loc k R etaining I or R etaining II” are used on the following: Fuel tank studs , where studs are inserted into tank. Mobil HTS Grease (Or Food-Grade Anti-seize) Mobil HTS grease (or food-grad ...
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Exmark LZ27KC604 - page 34
Maintenance all the chains is appro ximately equal. Mak e sure all chain attachment bolts are tight. R eposition anti-scalp rollers and tighten securely . Figure 14 1. Apply downward pressure here 2. Place locking pliers here to hold spring 3. 10 1/2 inches (26.7 cm) 4. Remove force on deck springs by loosening nuts here 5. Swivel 6. Front of unit ...
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Exmark LZ27KC604 - page 35
Maintenance Figure 16 1. Spring idler pulley 3. Right side idler pulley (adjustable) 2. Front of unit Deck Belt T ension Self-tensioning - No adjustment necessar y . Belt Guide Adjustment 1. Stop engine, w ait for all mo ving parts to stop , and remov e k ey . Engag e parking brake . 2. R emov e the belt shield on the right side of mow er deck. 3. ...
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Exmark LZ27KC604 - page 36
Maintenance between the spring retainer brack et and the adjacent nyloc n ut. Tighten the jam nut abov e the trunnion roller . 4. If adjustment is necessary , loosen the n ut directly belo w the yok e. T urn the bottom n ut (below washer) until the cor rect measurement is obtained (see Figure 18) turn nut clockwise to lengthen the gap (screws rod i ...
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Exmark LZ27KC604 - page 37
Maintenance 1. This adjustment must be made with the driv e wheels tur ning . First raise the frame and block up so that dri v e wheels can rotate freely . 2. R emov e the electrical connection from the seat safety switch, located directly to the left of the seat switch assembly beside the h ydraulic oil reser v oir . 3. T emporarily install a jump ...
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Exmark LZ27KC604 - page 38
Maintenance Figure 22 1. Motion control bracket 2. Least resistance (softest feel) 3. Medium resistance (medium feel) 4. Most resistance (rmest feel) 5. T orque nyloc nut to 200 in-lb (16.7 ft-lb). Bolt must protrude past end of nyloc nut after torque. 6. Damper 7. Damper must move freely on bolt. Adjust Seat Switch 1. If necessar y , adjust the ...
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Exmark LZ27KC604 - page 39
Maintenance Cleaning Clean Engine Cooling System Service Interval: Before each use or daily (May be required more often in dry or dirty conditions.) CAUTION Excessi v e de bris around the engine cooling air intak e and inside of the pump dri v e belt compar tment and damaged or missing r ub ber bafes can cause the engine and hy draulic system to ...
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Exmark LZ27KC604 - page 40
Maintenance F ederal la w states that batteries should not be placed in the garbag e . Management and disposal practices must be within relevant federal, state , or local la ws . If a battery is being replaced or if the unit containing the battery is no longer operating and is being scrapped, take the battery to a local certied recycling center ...
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Exmark LZ27KC604 - page 41
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. The following table lists some of the common causes ...
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Exmark LZ27KC604 - page 42
T roubleshooting Problem Possible Cause Cor rectiv e Action 1. Engine load is ex cessive 1. R educe the ground speed. 2. Oil level in the crankcase is low . 2. Add oil to the crankcase . Engine overheats 3. Cooling ns and air passages for the engine are plug ged. 3. R emo ve the obstructions from the cooling ns and air passages. 1. T racking ...
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Exmark LZ27KC604 - page 43
Schematics Schematics Electrical Diagram SEA T DELA Y MODULE DIODE 3. ST ART POSITION 1. OFF 2. RUN B + I + S CIRCUIT "MAKE" X + Y NONE B + I + A IGNITION SWITCH TERMINAL CONNECTIONS TERMINAL A V OLT AGE REGULA TOR TERMINAL B BA TTERY TERMINAL I HOUR METER, ENGINE, PTO SWITCH TERMINAL S ST ART RELA Y TERMINAL X SEA ...
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Exmark LZ27KC604 - page 44
Schematics Hydraulic Diagram 44 ...
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Exmark LZ27KC604 - page 45
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 manufactured by Exmark and found by us (in the ex ercise of our reasonable discretion) to be defectiv e in fa ...
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Exmark LZ27KC604 - page 46
Service Record Date: Description of W ork Done: Service Done By: 46 ...
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Exmark LZ27KC604 - page 47
47 ...
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Exmark LZ27KC604 - page 48
See Exmark’ s Complete Line of Accessories Riding Accessories Custom Ride Seat Suspension System Dec k Lift Assist Kit Hitch Kit Light Kit Micro-mulch System Roll Ov er Protection System (ROPS) Snow Blade Sun Shade T r ash Container T urf Striper Ultra V ac Collection System Ultra V ac Quick Disposal System W alk Behind Accessories Grass Catcher ...
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