Table of Contents
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Table of Contents
Summary of Contents for Exmark ARX481CKA30000
- Page 1 STAND-ON AERATOR For Serial Nos. 315,000,000 & Higher Part No. 4502-175 Rev. A...
- Page 2 Replacements may be ordered through the engine manufacturer. Exmark reserves the right to make changes or add improvements to its products at any time without incurring any obligation to make such changes to products manufactured previously.
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Page 3: Introduction
All Exmark parts are thoroughly tested and inspected before leaving the factory, however, attention is required on your part if you are to obtain the fullest measure of satisfaction and performance. -
Page 4: Table Of Contents
Contents Thread Locking Adhesives......32 Adjustments ............33 Auxiliary Pump Drive Belt Adjustment ...33 Introduction ............3 Transmission Drive Belt Tension ....33 Safety ..............5 Jackshaft Drive Chain Tension Safety Alert Symbol ......... 5 Adjustment ..........33 Safe Operating Practices ........5 Drive Wheel Chain Tension Safety and Instructional Decals ......10 Adjustment ..........33 Specifications ............15... -
Page 5: Safety
Will result in death or safely perform the job. Only use accessories and serious injury. attachments approved by Exmark. WARNING: Indicates a potentially hazardous • Wear appropriate clothing including safety glasses, situation which, if not avoided, Could result in death substantial footwear, and hearing protection. - Page 6 Safety DANGER DANGER In certain conditions gasoline is extremely In certain conditions during fueling, static flammable and vapors are explosive. electricity can be released causing a spark which can ignite gasoline vapors. A fire or A fire or explosion from gasoline can burn explosion from gasoline can burn you and you, others, and cause property damage.
- Page 7 Safety Operation • Stop engine, wait for all moving parts to stop, and engage parking brake: WARNING – Before refueling. Operating engine parts, especially the muffler, WARNING become extremely hot. Severe burns can occur on contact and debris, such as leaves, grass, Hands, feet, hair, clothing, or accessories can brush, etc.
- Page 8 Safety Wait for all movement to stop before adjusting, DANGER cleaning or repairing. Operating on wet grass or steep slopes can cause • Keep engine and engine area free from excessive sliding and loss of control. Wheels dropping over grease or oil and other debris which can edges, ditches, steep banks, or water can cause accumulate in these areas.
- Page 9 Removing standard original equipment parts and accessories may alter the warranty, traction, and safety of the machine. Failure to use original Exmark parts could cause serious injury or death. Making unauthorized changes to the engine, fuel or venting system, may violate EPA and CARB regulations.
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Page 10: Safety And Instructional Decals
Exmark equipment dealer or labels. distributor or from Exmark Mfg. Co. Inc. • Replace all worn, damaged, or missing safety • Safety signs may be affixed by peeling off the signs. - Page 11 Safety 121–6162 1. Cutting/dismemberment hazard of hand or foot, tines—lower the tines to the ground; read the Operator’s Manual for disassembly procedure. 121–6163 1. Press to lower the tines. 2. Release to raise the tines. 126-2054 1. Wheel lug nut torque 95 ft-lb (129 N-m) (4x) 2.
- Page 12 Safety 116-9392 1. Read and understand the operator’s manual before 9. Check auxiliary hydraulic tank (Only use AW-32 hydro oil) servicing this machine. every 50 hours 2. Grease front caster pivots (2x) every 100 hours 10. Grease wheel bearings (2x) every 25 hours 3.
- Page 13 Safety 121–6164 1. Fast 6. Wheels and tines rotate when 11. Warning—keep bystanders a safe moving backward distance from the machine. 2. Slow 7. Continuous variable setting 12. Warning—do not operate the machine unless you are trained. 3. Neutral 8. Choke—on 13.
- Page 14 Safety 126-4528 1. Rotate counterclockwise to decrease pressure 5. Parking brake - release 2. Rotate clockwise to increase pressure 6. Parking brake - engage 3. On - tine ground engagement foot switch 7. Cutting/dismemberment hazard of hand or foot, tines–stay away from moving parts;...
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Page 15: Specifications
• Engine Specifications: See your Engine Owner’s Safety Interlock System Manual Engine will not start unless the park brake is engaged. • Engine Oil Type: Exmark 4–Cycle Premium Engine Oil Operator Controls • RPM: Full Speed: 3600 ±100 RPM (No Load) •... -
Page 16: Dimensions
Specifications Tires and Wheels Torque Requirements Drive Bolt Location Torque Front Caster Engine Mounting Bolts 17-23 ft-lb (23-31 N-m) Pneumatic Semi-Pneumatic (Air-Filled) Wheel Lug Nuts 85-105 ft-lb (115-142 N-m) Quantity Wheel Hub Nuts 211-260 ft-lb Tread Super Turf Smooth (286-352 N-m) Size 16 x 6.50-8 13 x 5.00-6... -
Page 17: Product Overview
Operation Product Overview Operation Note: Determine the left and right sides of the machine from the normal operating position. Controls Motion Control Levers The motion control levers, located on each side of the top console, control the forward and reverse motion of the machine. - Page 18 Operation position. Do Not run a warm engine with choke in To engage the brake, pull handle out and slide the “ON” position. rearward. To release, push the handle forward into the detent. When parking on a steep slope, the wheels must be chocked or blocked in addition to the brake being engaged.
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Page 19: Pre-Start
Operation during transport to and from the jobsite, and when in fuel leakage or damage to the engine or emission parked inside a building. system. Align valve handle with the fuel line to open. Rotate Make sure you understand the controls, their 90°... - Page 20 Operation Driving the Machine Note: The foot rocker bar, located behind the tine ground engagement foot switch, can be adjusted for operator comfort. To adjust, loosen CAUTION the foot rocker bar hardware, slide the bar forward Machine can spin very rapidly by positioning one or rearward, and retighten hardware.
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Page 21: Transporting
Operation Figure 9 To turn left or right, release pressure on the motion control lever toward the desired turn Figure 8 direction. To make zero turns, lift your foot off of the tine ground engagement foot switch to raise the tines. To turn left or right, pull the motion control lever The head will raise in half second. - Page 22 Operation ramp angle. The trailer or truck should be as level CAUTION as possible. This unit does not have proper turn signals, Important: Do Not attempt to turn the unit lights, reflective markings, or a slow moving while on the ramp, you may lose control and vehicle emblem.
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Page 23: Maintenance
Maintenance Maintenance Note: Determine the left and right sides of the machine from the normal operating position. WARNING WARNING While maintenance or adjustments are being The engine can become very hot. Touching a hot made, someone could start the engine. engine can cause severe burns. -
Page 24: Periodic Maintenance
“FULL” battery performance and life, recharge batteries in mark on the dipstick. Exmark 4-Cycle Premium storage when the open circuit voltage drops to 12.4 Engine Oil is recommended; refer to the Engine volts. - Page 25 Maintenance short lengths to reduce voltage drop between Voltage Percent Maximum Charging systems. Make sure the cables are color coded or Reading Charge Charger Interval labeled for the correct polarity. Settings 12.6 or 100% 16 volts/7 CAUTION Charging greater amps Required Connecting the jumper cables incorrectly 12.4 –...
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Page 26: Check Tines
4. With the motion control levers in the neutral position turn the key to the start position – the starter must not crank. Note: If the machine does not pass this test, do not operate. Contact your authorized Exmark Service Dealer. -
Page 27: Check For Loose Hardware
Before the new filter is installed, 1. Stop engine, wait for all moving parts to stop, and apply a thin coating of Exmark 4–Cycle Premium remove key. Engage parking brake. Engine Oil on the surface of the rubber seal. -
Page 28: Check Hydraulic Transmission Oil Level
Engage parking brake. 2. Inspect sprockets for wear and replace as required. 2. With the unit cold, check the expansion tank and if necessary add Exmark Premium Hydro Oil to Lubricate Chains the FULL COLD line. Service Interval: Before each use or daily... -
Page 29: Lubricate Caster Wheel Hubs
6. Pack the bearings with a NGLI grade #1 multi-purpose grease. 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 removed (or broken loose), apply a thread locking adhesive to one spacer nut and thread onto the axle with the wrench flats facing outward. -
Page 30: Check Spark Plugs
Important: Before reinstalling new filters, Change Auxiliary Hydraulic apply a thin coat of Exmark Premium Hydro Oil on the surface of the filters rubber seal. Reservoir Fluid and Filter Turn the filters clockwise until rubber seal... -
Page 31: Check Transmission Output Shaft Nut Torque Specification
Mobil 1 15W50 250 Hours Torque plugs to 180 in-lb (244 N-m). Continue to Check Transmission add Exmark Premium Hydro Oil until it reaches Output Shaft Nut Torque the FULL COLD line on the expansion reservoir. Specification 6. Raise the rear of machine up and support with... -
Page 32: Thread Locking Adhesives
Maintenance Thread Locking Adhesives WARNING Hot exhaust system components may ignite Thread locking adhesives such as “Loctite 242” gasoline vapors even after the engine is stopped. or “Fel-Pro, Pro-Lock Nut Type” are used on the Hot particles exhausted during engine operation following fasteners: may ignite flammable materials. -
Page 33: Adjustments
Maintenance Adjustments 3. Check the chains on both sides of the unit for proper tension. The chains should be able to Note: Shut off engine, wait for all moving parts to move up and down 1/4-1/2 inch (6-12 mm). stop, engage parking brake, and remove key before 4. -
Page 34: Tine Drive Chain Adjustment
Maintenance 2. Lift the rear of the unit and support using jack stands or equivalent support. 3. Check the chains on both sides of the unit for proper tension. The chains should be able to move up and down 1/4-1/2 inch (6-12 mm). 4. -
Page 35: Motion Control Linkage Adjustment
Maintenance Figure 15 1. Spring clevis pin 2. Turnbuckle • If the control levers do not contact the Figure 14 reference bar, then proceed to step4. 1. Park brake switch 2. 1/8 inch (3.2 mm) gap bracket 4. Allow the control levers to return to neutral. Remove the spring clevis pin on the turnbuckle of the motion control linkage. -
Page 36: Cleaning
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 Excessive debris around engine cooling air intake and exhaust system area can cause engine, exhaust area, and hydraulic system to overheat which can create a fire hazard. -
Page 37: Waste Disposal
Maintenance guards, around the fuel tank, around engine and exhaust area. Waste Disposal Motor Oil Disposal Engine oil and hydraulic oil are both pollutants to the environment. Dispose of used oil at a certified recycling center or according to your state and local regulations. -
Page 38: Troubleshooting
Troubleshooting Troubleshooting Important: It is essential that all operator safety mechanisms be connected and in proper operating condition prior to use. When a problem occurs, do not overlook the simple causes. For example: starting problems could be caused by an empty fuel tank. The following table lists some of the common causes of trouble. - Page 39 Troubleshooting Problem Possible Cause Corrective Action Engine overheats. 1. Engine load is excessive. 1. Reduce the ground speed or aeration depth. 2. Oil level in the crankcase is low. 2. Add oil to the crankcase. 3. Cooling fins and air passages for the 3.
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Page 40: Schematics
Schematics Schematics Electrical Diagram... - Page 41 Schematics Electrical Schematic...
- Page 42 Schematics Hydraulic Diagram...
- Page 43 No Claim of breach of warranty shall be cause for cancellation provided by Exmark. or rescission of the contract of sale of any Exmark machine. There are no other express warranties except for engine and All implied warranties of merchantability (that the special emission system coverage.
- Page 44 Notes:...
- Page 45 Service Record Date: Description of Work Done: Service Done By:...
- Page 47 G011841 Figure 17 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.
- Page 48 Pack) or Fill in Below Engine Model No. and Spec. No. Model No. Engine Serial No. (E/No) Serial No. ©2014 Exmark Mfg. Co., Inc. Part No. 4502-175 Rev. A 2101 Ashland Ave (402) 223-6300 Beatrice, NE 68310 Fax (402) 223-5489...