Exmark Ultra Vac 4500-420 Operator's Manual

Exmark mfg. co. inc. zero-turn riding mower operator's manual

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ULTRA VAC
QDS
®
LAZER Z
HP MODELS
®
For Ultra Vac Serial Nos.
790,000 & Higher
Part No. 4500-420 Rev. A

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Summary of Contents for Exmark Ultra Vac 4500-420

  • Page 1 ULTRA VAC ® LAZER Z HP MODELS ® For Ultra Vac Serial Nos. 790,000 & Higher Part No. 4500-420 Rev. A...
  • Page 2 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. Exmark, or its distributors and dealers, accept no responsibility for variations which may be...
  • Page 3: Introduction

    Introduction CONGRATULATIONS on the purchase of your Exmark Ultra Vac QDS. This product has been carefully designed and manufactured to give you a maximum amount of dependability and years of trouble-free operation. This manual contains operating, maintenance, adjustment, and safety instructions for your Exmark Ultra Vac QDS.
  • Page 4: Table Of Contents

    Contents Introduction ... 3 Safety ... 5 Safety Alert Symbol ... 5 Safe Operating Practices ... 5 Safety and Instructional Decals ... 8 Specifications ... 10 Model Numbers ... 10 Systems ... 10 Dimensions... 10 Torque Requirements ... 10 Product Overview ... 11 Operation ...
  • Page 5: Safety

    • Evaluate the terrain to determine what accessories and attachments are needed to properly and safely perform the job. Only use on machines approved by Exmark. • Wear appropriate clothing including safety glasses, substantial footwear, long trousers, and hearing protection. Do Not operate when barefoot or when wearing open sandals.
  • Page 6: Slope Operation

    Safety DANGER There are rotating blades in the blower and under the mower deck. Blade contact can cause serious operator or bystander injury or even death. • Do Not reach into blower unless rotation indicator has stopped. Disengage PTO, stop engine, remove key, wait for all moving parts to stop.
  • Page 7: Maintenance And Storage

    Figure 3 1. Safe Zone-Use the mower here on slopes less than 15 degrees 2. Danger Zone-Use a walk behind mower and/or hand trimmer on slopes greater than 15 degrees, near drop-offs and water. 3. Water • Remove or mark obstacles such as rocks, tree limbs, etc.
  • Page 8: Safety And Instructional Decals

    For Units with a Two-Post ROPS Only • 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.
  • Page 9 Safety 103-3508...
  • Page 10: Specifications

    Specifications Specifications Model Numbers Serial Nos: 790,000 and Higher LHPUVD4448; LHPUVD4650; LHPUVD5256 Systems Bagging System • Collection Hopper: – Commercial grade, steel and polyethylene hopper with rear discharge door, commercial grade cloth mesh door panel. – Capacity: 6.7 bushels • Dump Mechanism: Single motion actuation from operator’s seat.
  • Page 11: Product Overview

    Product Overview Figure 4 1. Hood 4. Tube 2. Weight 5. Door 3. Blower Operation Note: Determine the left and right sides of the machine from the normal operating position. Pre-Start Make sure you understand the controls, their locations, their functions, and their safety requirements.
  • Page 12: Bagger Removal For Side Discharge

    Operation have stopped before clearing blower assembly or mower deck 3. To empty the hopper, first shut off deck drive. Lift up on the handle to open the door and empty the hopper. If the unit is to be driven onto a truck or trailer with the hopper full, always back the unit up the ramp.
  • Page 13: Bagger Installation For Bagging

    6. Install the discharge chute using the chute pivot pin and hairpin (see Figure 7). Figure 7 Viewed from the right side 1. Hairpin 3. Discharge chute 2. Chute pivot pin Note: Install chute with the tabs to the rear of the deck tabs as shown.
  • Page 14: Transporting

    Operation Transporting Transporting a Unit Use a heavy-duty trailer or truck to transport the machine. Lock brake and block wheels. Securely fasten the machine to the trailer or truck with straps, chains, cable, or ropes. Be sure that the trailer or truck has all necessary lighting and marking as required by law.
  • Page 15 Operation caught as the unit moves from ramp to trailer or truck. Steeper angles may also cause the unit to tip backward. If loading on or near a slope, position the trailer or truck so it is on the down side of the slope and the ramp extends up the slope.
  • Page 16: Maintenance

    Maintenance Maintenance Note: Determine the left and right sides of the machine from the normal operating position. WARNING While maintenance or adjustments are being made, someone could start the engine. Accidental starting of the engine could seriously injure you or other bystanders. Remove the key from the ignition switch, engage parking brake, and pull the wire(s) off the spark plug(s) before you do any...
  • Page 17: Lubricate Grease Fittings

    Lubricate Grease Fittings Note: See chart for service intervals. 1. Stop engine, wait for all moving parts to stop, and remove key. Engage parking brake. 2. Lubricate fittings with NGLI grade #2 multi-purpose gun grease. Refer to the following chart for fitting locations and lubrication schedule.
  • Page 18: Adjustments

    Maintenance Adjustments Note: The Ultra Vac QDS was adjusted at the factory to operate properly. However, there are three basic adjustments that can be made, should your unit require them: Figure 9 1. Bellcrank arm 2. Upper frame tube 3. Maintain same distance on both sides 1.
  • Page 19: Cleaning

    Cleaning Clean Muffler and Rear Frame Area Service Interval: Before each use or daily Stop engine, wait for all moving parts to stop, and remove key. Engage parking brake. WARNING Operating engine parts, especially the muffler, become extremely hot. Severe burns can occur on contact and debris, such as leaves, grass, brush, etc.
  • Page 20: Troubleshooting

    Troubleshooting Troubleshooting Important: It is essential that all operator safety mechanisms be connected and in proper operating condition prior to mower 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 22: Service Record

    Service Record Date: Description of Work Done: Service Done By:...
  • Page 24 SEE EXMARK’S COMPLETE LINE OF ACCESSORIES AND OPTIONS MID-MOUNT RIDING ACCESSORIES AND OPTIONS CUSTOM RIDE SEAT SUSPENSION SYSTEM FULL SUSPENSION SEAT DECK LIFT ASSIST KIT HITCH KIT LIGHT KIT V POWER PORT MICRO-MULCH SYSTEM OUT-FRONT RIDING ACCESSORIES AND OPTIONS CUSTOM RIDE SEAT SUSPENSION SYSTEM...

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