Husqvarna ZTHKH4818A Operator's Manual
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Husqvarna ZTHKH4818A Operator's Manual

Zero turn small frame 48" commercial mowers
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Operators manual

Please read these instructions carefully and make
sure you understand them before using the machine.
MANUAL NO. 539105116 REV. 03 (12/13/00)
Models:
968999157 / ZTHKH4818A
968999158 / ZTHKH4820A
968999168 / ZTHKW4818A
968999169 / ZTHKW4821A
968999170 / ZTHQL4218A
968999172 / ZTHQL4221A

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Summary of Contents for Husqvarna ZTHKH4818A

  • Page 1: Operators Manual

    Operators manual Please read these instructions carefully and make sure you understand them before using the machine. MANUAL NO. 539105116 REV. 03 (12/13/00) Models: 968999157 / ZTHKH4818A 968999158 / ZTHKH4820A 968999168 / ZTHKW4818A 968999169 / ZTHKW4821A 968999170 / ZTHQL4218A 968999172 / ZTHQL4221A...
  • Page 2 Congratulations on the purchase of your Husqvarna mower. This manual has been prepared for the owners and operators of the Zero Turn Small Frame 48" commercial mowers. Read, understand and follow the safety and operating instructions. Failure to follow cautious operating practices can result in serious injury to the operator or other persons.

  • Page 3: Table Of Contents

    SAFETY: 1. Training 2. Preparation 3. Operation 4. Transportation 5. Maintenance SETUP AND ADJUSTMENTS: 1. Park brake 2. Cutting height 3. Mower deck leveling 4. Front deck belt routing 5.Throttle lever tension 6. Reverse spring detent adjustment 7. Motion control linkage adjustment OPERATING INSTRUCTIONS: 1.

  • Page 4: Safety

    SAFETY TRAINING: 1. Read this manual carefully and question your dealer if something is not clear. 2. Be thoroughly familiar with the controls and proper use of the equipment. 3. Never allow children, teenagers, or people unfamiliar with these instructions to use the mower.

  • Page 5: Transportation

    4. To reduce the risk of fire, keep the mower free of grass, leaves and excessive grease or oil. 5. Have your mower inspected and serviced each year by an authorized Husqvarna dealer. 6. Use only authentic Husqvarna replacement parts to insure the safety and quality of your mower is maintained.

  • Page 6: Park Brake

    ADJUSTMENTS PARK BRAKE: 1. Stop engine and remove key. While the park brake lever”A” is in the on position. The distance between the swivel”C” and the bolt head”B” should be 3/8” to 1/2” approximately.(See Fig. 2) 2. If adjustment is needed, using two 1/2” wrenches, loosen the nut”F” above the turnbuckle”G” while holding the turnbuckle”G”...

  • Page 7: Front Deck Belt Routing

    ADJUSTMENTS FRONT DECK BELT ROUTING: (See Fig. 4) Figure 4 THROTTLE LEVER TENSION: 1. Stop engine and remove key. 2. If throttle lever becomes loose, tension may be adjusted by tightening the pivot bolt. The pivot bolt holds the throttle arm to the throttle mounting bracket which is located under the console.
  • Page 8 Figure 5a (Left side cut away view) Figure 5b (Left side cut away view)

  • Page 9: Motion Control Linkage Adjustment

    ADJUSTMENTS MOTION CONTROL LINKAGE ADJUSTMENT: 1. This adjustment must be made with the drive wheels rotating. Raise rear of the unit and block it up so the wheels are free to rotate. CAUTION: Keep hands, feet and clothing away from rotating tires. 2.
  • Page 10 OPERATING INSTRUCTIONS NOTE: To begin motion the operator must be in the seat and the brake disengaged before the levers can be moved from the neutral slots or the engine will kill. By moving the levers an equal amount forward or back the mower will move in a straight line in that direction.

  • Page 11: Starting And Operation

    OPERATING INSTRUCTIONS STARTING AND OPERATION: 1. Operator must be sitting in the seat. Engage park brake, blades off and place the motion control levers in the neutral slots. (See figure 6) 2.Kawasaki engines use a combination choke-throttle. Adjust throttle to choke (if needed) turn key and release as soon as engine starts, and adjust 1/2 throttle.

  • Page 12: Hardware

    5. Hardware: Stop engine and remove key thoroughly inspect the entire machine for any missing or loose hardware. Check daily. 6. Air cleaner: Stop engine and remove key. Remove plastic cover and loosen wingnut on the air cleaner. Remove the foam pre-cleaner and wash or replace if needed. Inspect paper filter and replace if dirty.

  • Page 13: Fuel Filter

    Clean around the filter and the drain plug on the bottom side of the tank. Remove the filter and allow any oil to drain from the filter head. Then replace with new filter. Use only Husqvarna p/n 102606, filter which has a bypass valve and the correct micron filter. Remove drain plug under hydraulic tank and allow tank to drain, reinstall drain plug.

  • Page 14: Trouble Shooting

    PROBLEM Engine won’t start Mower will not move or moves slowly or hard Blades won’t engage Uneven cut Cut is ragged Mower moves when in neutral position Mower pulls left or right When a problem occurs, do not overlook the simple causes. For example, no fuel or battery disconnected when the engine will not start.
  • Page 15 WIRING DIAGRAM...
  • Page 16 SERVICE RECORD DESCRIPTION OF WORK DONE SERVICE DONE BY DATE...

This manual is also suitable for:

Zthkh4820aZthkw4818aZthkw4821aZthql4221aZthql4218a

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