Exmark VIKING 346, Operator'S Manual

Page 1: ...VIKING For Serial Nos 408 644 346 Higher Part No 4505 182 Rev A ...

Page 2: ... is equipped with a spark arrester as defined in Section 4442 maintained in effective working order or the engine is constructed equipped and maintained for the prevention of fire To acquire a spark arrester for your unit see your Engine Service Dealer For all models that do not have Exmark engines please refer to the engine manufacturer s information included with the machine For models with Exma...

Page 3: ...uals If additional information is needed or should you require trained mechanic service contact your authorized Exmark equipment dealer or distributor All Exmark equipment dealers and distributors are kept informed of the latest methods of servicing and are equipped to provide prompt and efficient service in the field or at their service stations They carry ample stock of service parts or can secu...

Page 4: ...place Emissions Air Intake Filter 30 Thread Locking Adhesives 30 Mobil HTS Grease Or Food Grade Anti seize 31 Copper Based Anti seize 31 Dielectric Grease 31 Adjustments 31 Adjusting the Cutting Height 31 Adjusting the Axle Position 33 Adjusting the Number of Spacers below Caster Support Hub 34 Adjusting the Cutting Height with Blade Spacers 34 PTO Engagement Linkage Adjustment 34 PTO Safety Switc...

Page 5: ... of amputating hands and feet and of throwing objects Always follow all safety instructions to avoid serious personal injury or death Read understand and follow all instructions and warnings in the Operator s Manual and on the machine engine and attachments All operators and mechanics should be trained If the operator s or mechanic s can not read this manual it is the owner s responsibility to exp...

Page 6: ...isible New safety signs may be obtained from your authorized Exmark equipment dealer or distributor or from Exmark Mfg Co Inc Safety signs may be affixed by peeling off the backing to expose the adhesive surface Apply only to a clean dry surface Smooth to remove any air bubbles Familiarize yourself with the following safety signs and instruction labels They are critical to the safe operation of yo...

Page 7: ...e decal112 8760 112 8760 1 Thrown object hazard keep bystanders away 2 Cutting dismemberment hazard of hand or foot mower blade stay away from moving parts decal112 9028 112 9028 1 Warning stay away from moving parts keep all guards in place decal115 4212 115 4212 1 Hydraulic fluid level 3 Warning do not touch the hot surface 2 Read the Operator s Manual 7 ...

Page 8: ...rake 2 Push lever forward and down to disengage the brake decal116 8253 116 8253 1 Rotate counterclockwise to release 3 Unlock to push machine 2 Rotate clockwise to lock 4 Read the instructions before servicing or performing maintenance decal126 1400 126 1400 1 Warning Read the Operator s manual Use only Exmark riding attachments Use of other riding attachments may create a hazardous condition res...

Page 9: ...zard keep bystanders away 2 Thrown objects hazard mower do not operate without the deflector discharge cover or grass collection system in place 3 Cutting dismemberment of hand or foot stay away from moving parts keep all guards and shields in place 9 ...

Page 10: ...mower Do Not operate when people and pets are in the area keep deflector in place 4 Engine on 9 Warning Disengage PTO shift speed control lever to neutral and engage parking brake before leaving the operator s position 5 Warning Read the Operator s Manual Do Not operate this machine unless you are trained Wear hearing protection 10 Cutting dismemberment hazard Mow across slopes not up and down Do ...

Page 11: ...ase of OPC levers will cause the engine to stop if speed control lever is not in neutral and or PTO is engaged Park brake must be disengaged to move speed control out of neutral or engine must begin shutdown Steering Brake Controls Fingertip drive control levers provide independent speed control braking and neutral to each drive wheel for moving forward or reverse stopping and power turning Transm...

Page 12: ...l Width 36 inch Deck 48 inch Deck Deflector Up 36 4 inches 92 5 cm 48 1 inches 122 2 cm Deflector Down 47 0 inches 119 4 cm 57 9 inches 147 1 cm Overall Length 36 inch Deck 48 inch Deck 77 3 inches 196 3 cm 72 3 inches 183 6 cm Overall Height 36 inch Deck 48 inch Deck 43 2 inches 109 7 cm 43 2 inches 109 7 cm Tread Width Outside to Outside of Tires Widthwise 36 inch Deck 48 inch Deck 35 6 inches 9...

Page 13: ...ated on the upper handle assembly directly above the handle grips When these levers are depressed the OPC system senses that the operator is in the normal operator s position When the levers are released the OPC system senses that the operator has moved from the normal operating position and the engine must begin shutdown if either the speed control lever is not in the neutral position or the PTO ...

Page 14: ... neutral or engine must begin shutdown Choke Control Located on the front left corner of the fuel tank support Choke is used to aid in starting a cold engine The choke control is pulled out to be in the ON position and pushed in to be in the OFF position Do Not run a warm engine with choke in the ON position Throttle Control Located on the on the control console right side The throttle is used to ...

Page 15: ... passengers Wear appropriate personal protective equipment such as safety glasses long pants substantial slip resistant footwear and hearing protection Tie back long hair and avoid loose clothing and loose jewelry which may get tangled in moving parts This machine produces sound levels in excess of 85 dBA at the operator s ear and can cause hearing loss through extended periods of exposure Wear he...

Page 16: ...act with the rim of the fuel tank or container opening at all times until fueling is complete Do Not use a nozzle lock open device Do Not overfill the fuel tank Fill the fuel tank to the bottom of the filler neck The empty space in the tank allows gasoline to expand Overfilling may result in fuel leakage or damage to the engine or emission system Gasoline is harmful or fatal if swallowed Long term...

Page 17: ...he mower Before clearing blockages Whenever you leave the mower Do Not leave a running machine unattended Stop engine wait for all moving parts to stop Before refueling Before dumping the grass catcher Before making height adjustments Tragic accidents can occur if the operator is not alert to the presence of children Children are often attracted to the machine and the mowing activity Never assume ...

Page 18: ...the lower front hydro control shield bolt 2 Start engine Refer to the following guidelines for further starting suggestions To engage pump drive disengage cold start kit 1 Pull chain straight out from the side of the unit until the split ring can be removed from the bolt 2 Slowly release tension on chain 1 Pull out the choke control Place the throttle control midway between the Slow and Fast posit...

Page 19: ...rive levers are past the roller and securely seated at the bottom of the neutral lock latches To place the drive levers in the forward position slightly squeeze the drive levers while placing thumbs on the outer thumb lobe of the neutral lock latches or the index finger on the front lobe and rotate them from under the drive levers Slowly and carefully release the drive levers See Figure 5 position...

Page 20: ...g the operator s position Allow the machine to cool before servicing adjusting fueling cleaning or storing Clean grass leaves excessive grease or oil and other debris from the mower deck muffler drives grass catcher and engine area to help prevent fires Close the fuel shut off valve before storing or transporting the machine Transporting Transporting the Machine WARNING Loading the mower onto a tr...

Page 21: ...y or death Unauthorized changes to the machine engine fuel or venting system may violate applicable safety standards such as ANSI OSHA and NFPA and or government regulations such as EPA and CARB WARNING Hydraulic fluid escaping under pressure can penetrate skin and cause injury Fluid accidentally injected into the skin must be surgically removed within a few hours by a doctor familiar with this fo...

Page 22: ...ase the pump drive idler pivot Grease the pump control bearings Grease the mower deck idler pivot Every 80 hours Remove engine shrouds and clean cooling fins Every 100 hours Service the paper element May need more often under severe conditions See the Engine Owner s manual for additional information Change the engine oil May need more often under severe conditions Every 160 hours Check the spark p...

Page 23: ...n the Clean Grass Build Up Under Deck procedure 3 Inspect blades and sharpen or replace as required 4 Re install the blades if they were removed and torque blade bolts to 75 80 ft lb 102 109 N m Be sure the spring disc washer cone is installed toward the bolt head see g006799 Figure 6 1 Spring disc washer cone towards bolt head 2 Blade bolt torque to 75 80 ft lb 102 109 N m Replacing the Discharge...

Page 24: ...e Engine Owner s manual for additional information Every 200 hours Yearly whichever comes first Replace the paper element 1 Stop engine wait for all moving parts to stop and remove key or spark plug wire s Engage parking brake 2 See the Engine Owner s Manual for maintenance instructions Change Engine Oil Service Interval After the first 5 hours Every 100 hours May need more often under severe cond...

Page 25: ...tires 3 Inflate drive tires to 12 14 psi 83 97 kPa 4 Inflate tires to pressures stated above Measure the circumference of each drive tire Adjust tire pressures within the above range to try to make tire circumferences match as closely as possible 5 Semi pneumatic caster tires Do Not need to be inflated Check Condition Of Belts Service Interval Every 40 hours 1 Stop engine wait for all moving parts...

Page 26: ...Lubricate pivot points with a spray penetrating lubricant as shown in the Spray Lubricant Chart Spray Lubricant Chart Pivot Point Number of Places Service Interval 1 PTO Engagement Upper Bellcrank 1 40 hours Check Spark Plugs Service Interval Every 160 hours Remove spark plugs check condition and reset gaps or replace with new plugs See Engine Owner s Manual 26 ...

Page 27: ... and in proper operating condition prior to use Note If machine does not pass any of these tests Do Not operate Contact your authorized EXMARK SERVICE DEALER Check the Normal Engine Starting Chart System Neutral Lock Parking Brake PTO Blades Ignition Key Speed Control Lever Outcome Engaged Disengaged Run In neutral Starter should crank State of System 27 ...

Page 28: ...ion Key Speed Control Lever Outcome Engaged or Disengaged Disengaged or Engaged Off In Neutral or Any speed except neutral Starter must not crank Engaged Disengaged Run Any speed except neutral Starter must not crank Engaged Engaged Run In Neutral Starter must not crank Disengaged Engaged Run In Neutral Starter must not crank Disengaged Disengaged Run Any speed except neutral Starter must not cran...

Page 29: ...supply hose from the hydraulic reservoir Turn filter clockwise until rubber seal contacts the filter adapter Then tighten the filter an additional 2 3 to 3 4 turn 6 Raise the rear of machine up and support with jack stands or equivalent support just high enough to allow drive wheels to turn freely CAUTION Raising the mower deck for service or maintenance relying solely on mechanical or hydraulic j...

Page 30: ...reservoir can be pressurized up to 5 psi to speed this process 6 If either drive wheel still does not rotate stop and repeat steps 4 and 5 above for the respective pump If wheels rotate slowly the system may prime after additional running Check oil level as stated in Check the Hydraulic Oil Level section 7 Allow unit to run several minutes after the charge pumps are primed with drive system in the...

Page 31: ...by adjusting the axle position number of spacers below the caster hub and number of spacers between blade and spindle Refer to the Cutting Height Adjustment table and select a cutting height range in the left hand column which corresponds to the range of cutting heights you will most often be using Adjustments within this range can then be made by adjusting the number of blade spacers between the ...

Page 32: ...hes 5 0 7 6 cm B 2 0 2 inch 5 0 cm 2 1 4 inch 5 7 cm 2 1 2 inch 6 4 cm 2 3 4 inch 7 0 cm 3 inch 7 6 cm 1 7 8 2 7 8 inches 4 8 7 3 cm C 1 1 1 7 8 inch 4 8 cm 2 1 8 inch 5 4 cm 2 3 8 inch 6 0 cm 2 5 8 inch 6 7 cm 2 7 8 inch 7 3 cm 2 1 8 3 1 8 inches 5 4 7 9 cm C 2 0 2 1 8 inch 5 4 cm 2 3 8 inch 6 0 cm 2 5 8 inch 6 7 cm 2 7 8 inch 7 3 cm 3 1 8 inch 7 9 cm 2 1 4 3 1 4 inches 5 7 8 3 cm C 2 1 2 1 4 inc...

Page 33: ... the caster arm see Figure 9 and Figure 10 along with the Cutting Height Adjustment Chart To adjust rear axle 1 Stop the machine and move the drive levers to the neutral lock position 2 Disengage the PTO 3 Raise the rear of the machine up onto jack stands and remove the drive wheels 4 Loosen but do not remove the top two bolts on each hydraulic motor mounting bracket see Figure 9 5 Remove the bott...

Page 34: ...Stop the engine remove the key and wait for all moving parts to stop 5 Blades may be adjusted for cutting height by using the four 1 4 inch 64 cm spacers found on the blade spindle bolts factory setting is two above and two below This allows a 1 inch 2 5 cm range in 1 4 inch 64 cm increments of cutting height in any axle position The same number of blade spacers must be used on all blades to achie...

Page 35: ...occur 4 Retighten switch mounting bracket Engine to Mower Deck Belt Adjustment 1 Stop engine and wait for all moving parts to stop Engage parking brake Remove key or spark plug wire s 2 Engage PTO 3 Check belt guides under rear engine and front mower deck to see that they are properly set see Belt Guide Adjustment section for instructions 4 Belt must be tight enough so it does not slip during heav...

Page 36: ...int A to deflect belt 1 2 inch 1 3 cm Mower Deck Belt Routings g006814 Figure 14 36 inch Mower Deck g006967 Figure 15 48 inch Mower Deck Blade Brake Adjustment 1 Stop engine and wait for all moving parts to stop Engage parking brake Remove key or spark plug wire s 2 Disengage PTO 3 Make sure the blade brake pad rests against the sheave Adjust the spring mounting bolts to properly align the pad on ...

Page 37: ...ug wire s 2 Move the speed control lever located on the console to the full forward position and check the orientation of the tabs on the ends of the speed control crank see Figure 19 These tabs should be pointing straight down at the 6 o clock position or slightly forward Adjust the threaded yoke at the bottom of the speed control linkage see Figure 19 until the tabs are positioned correctly g006...

Page 38: ...r to the forward drive position and squeeze back into the neutral position Check to see if the wheel stops If not repeat the above adjustment procedure 6 Make this adjustment on both sides 7 After adjustments are made and the wheels stop when the drive levers are in the neutral position tighten the nuts against the yokes Adjust Hydro Control Linkages 1 Place the speed control lever in the neutral ...

Page 39: ...d control lever to the midway position Move the respective drive lever upward until it reaches the neutral position and engage neutral lock latches Figure 22 If the tire rotates in either direction the length of the drive lever link will need to be adjusted g006953 Figure 22 2 Adjust the linkage length by loosening the jam nuts at both ends of the linkage and rotating the linkage in the ball joint...

Page 40: ... key and disconnect spark plug wire Wait for all moving parts to stop before leaving the operator s position Allow the machine to cool before servicing adjusting fueling cleaning or storing Clean grass and debris from the cutting unit muffler drives grass catcher and engine compartment to prevent fires Allow the machine to cool before storing the machine in any enclosure Do not store the machine o...

Page 41: ...rouds and Clean Cooling Fins Service Interval Every 80 hours 1 Stop engine wait for all moving parts to stop and remove key Engage parking brake 2 Remove cooling shrouds from engine and clean cooling fins Also clean dust dirt and oil from external surfaces of engine which can cause improper cooling 3 Make sure cooling shrouds are properly reinstalled Operating the engine without cooling shrouds wi...

Page 42: ...s are corroded loose or faulty 7 Check the electrical connections for good contact Clean connector terminals thoroughly with electrical contact cleaner apply dielectric grease and reconnect 8 Relay or switch is defective 8 Contact an Authorized Service Dealer 9 Faulty spark plug 9 Clean adjust or replace spark plug 10 Spark plug wire is not connected 10 Check the spark plug wire connection 11 PTO ...

Page 43: ...n Authorized Service Dealer Uneven cutting height 7 Tips of adjacent blades are at an uneven cutting height Blades tips should be even within 3 16 inch which is approximately one blade thickness 7 Replace blades spindles and or check for damage to mower deck 1 Cutting blade s is are bent or unbalanced 1 Install new cutting blade s 2 Blade mounting bolt is loose 2 Tighten the blade mounting bolt 3 ...

Page 44: ...CK GREEN YELLOW BLUE ORANGE BROWN A B C D E F CONNECTORS ARE VIEWED FROM WIRE END N C NORMALLY CLOSED N O NORMALLY OPEN FROM SAFETY INTERLOCK MODULE TRANSMISSION SWITCH N O PTO SWITCH N O OPC SWITCH N O KEY SWITCH ENGINE PARK BRAKE SWITCH N O G006968 g006968 44 ...

Page 45: ...Schematics g010189 45 ...

Page 46: ...estaurants grocery stores hotels schools and hospitals and on a wide variety of products Additionally some online and mail order retailers provide Prop 65 warnings on their websites or in catalogs How do the California warnings compare to federal limits Prop 65 standards are often more stringent than federal and international standards There are various substances that require a Prop 65 warning at...

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Page 48: ...TOM RIDE SEAT SUSPENSION SYSTEM DUAL TAIL WHEEL FLOOR PAN EXTENDER HITCH KIT LIGHT KIT MICRO MULCH SYSTEM ROLL OVER PROTECTION SYSTEM ROPS SNOW BLADE SNOWBLOWER SUN SHADE TRASH CONTAINER ULTRA VAC COLLECTION SYSTEM ULTRA VAC QUICK DISPOSAL SYSTEM WEATHER CAB Some accessories and options not available for some models Place Model No and Serial No Label Here Included in the Literature Pack or Fill in...