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Operator’s Manual for
MODELS: ZKW42170
ZKW48170
ZKW48190
Professional Quality Lawn Care Equipment
since 1945
Thank you for buying a YAZOO/KEES ZT Max! Before operating your new mower, read,
understand and follow the important safety instructions and the other instructions con-
tained in this manual. Lawnmowers and all power equipment, can be potentially danger-
ous if used improperly. SAFETY REQUIRES GOOD JUDGEMENT, CAREFUL USE IN
ACCORDANCE WITH INSTRUCTIONS AND COMMON SENSE.
MANUAL 103337 R
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Congratulations on the purchase of your Yazoo/Kees mower. This manual has been pre- pared for the owners and operators of the ZT MAX™ 42" and 48" commercial mowers. Read, understand and follow the saftey and operating instructions. ! WARNING Failure to follow cautious operating practices can result in serious injury to the operator or other persons. The owner must understand these instructions, and must allow only trained persons who understand these instructions to operate the mower. Each per
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TABLE OF CONTENTS SAFETY: MAINTENANCE: 1. Training 1. Engine oil level 2. Preparation 2. Pump compartment 3. Operation 3. Mower blades 4. Transportation 4. Safety interlock system 5. Maintenance 5. Hardware 6. Air cleaner SETUP AND ADJUSTMENTS: 7. Engine oil 1. Park brake 8. Hydraulic oil 2. Cutting height 9. Tire presure 3. Front deck belt routing 10. Battery 4.Throttle lever tension 11. Belts 5. Reverse spring detent adjustment 12. Lubrication 6. Motion control linkage adjustment 13. Fuel fil
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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. 4. Do not mow while people, particularly children, or pets are nearby. PREPARATION: 1. The use of personal protective equipment such as (but not limited to) protection for the eyes, ears, feet and head is recommended. 2. Neve
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SAFETY TRANSPORTATION: Use a heavy duty trailer to haul mower. Set park brake, turn off fuel valve and strap mower to trailer. NOTE: Park brake will not hold mower in place when transporting. Be sure to tie down the mower to the trailer. Always back onto the trailer to prevent possible tipover. 1. Keep all nuts, bolts and screws tight to keep mower in safe operating condition. 2. Engine maintenance should comply with engine manufactures specifications. See the engine manual for specifications
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ADJUSTMENTS PARK BRAKE: 1. Stop engine and remove key. While the park brake lever”A” is in the on postion. 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” wrenchs, loosen the nut”F” above the turnbuckle”G” while holding the turnbuckle”G” from turning. After the nut”F” is loose and out of the way. While holding the bolt head”B” from turning. Turn the turnbuckle”G” the proper direction to len
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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. Access is gained by removing the foot plate and the kick plate. See page 3. REVERSE SPRING DETENT ADJUSTMENT: 1. Stop engine and remove key. 2. Pull the motion control lever back to the rev
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Figure 5a (Left side cut away view) Figure 5b (Left side cut away view) 8
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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. Tilt seat forward and remove the seat lanyard from seat so the seat can rotate down onto the frame. Make sure the seat is adjusted toward the rear of the unit so it clears the controls on the console. 3. Place a 2x4 board approximatly 10 to 12 inch
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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. Movement of the right lever forward will cause the right wheel to rotate in a forward direction. Movement of the left lever forward will cause the left wheel to rotate in a forward direction. To stop forwar
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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. Adjust throttle to choke (if needed) turn key and release as soon as engine starts, and adjust 1/2 throttle. 3. Release park brake. 4. Close motion control levers. 5. Engage blades and set RPM to maximum, but not choked. NOTE: Be sure all persons are clear of area before engaging the blades. To prolong sp
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MAINTENANCE 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. Check every 25 hours, daily if in very dirty conditions. Fuel efficiency, engine RPM, and available power goes down rapidly if the air filter is dirty. P
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MAINTENANCE 13. Fuel filter: Replace annually or as needed. 14. Hydraulic filter and oil: Change every 500 hours or yearly. Stop engine and remove key. 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 Yazoo/Kees 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 p
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TROUBLE SHOOTING PROBLEM POSSIBLE CAUSES 1. Blade switch on. Engine won’t start 2. Drive levers not in the neutral slots. 3. Operator not in seat. 4. Park brake disengaged. 5. Dead battery or cable off. ....(Ignition switch left on) 6. Fuel valve closed or in the wrong position. 7. No fuel. 8. Spark plug wires off. 9. Bad spark plugs. 1. Park brake on. Mower will not move or moves slowly or hard 2. Pump bypass valves open. 3. Pump drive belt loose or off. 4. Hydraulic system failure. 5. Ai
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WIRING DIAGRAM 15
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SERVICE RECORD DESCRIPTION OF WORK DONE DATE SERVICE DONE BY 16
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Yazoo/Kees Limited Two Year Warranty 1. This Limited two-year Warranty is issued by Yazoo/Kees Power Equipment, only to the original purchaser. The warranty period is limited to ninety (90) days when product is or has been used for rental purposes. 2. Yazoo/Kees warrants that all new equipment manufactured by Yazoo/Kees (Yazoo/Kees Products), listed in paragraph 9 hereof, shall be free of defects in material and workmanship for the term described in paragraph 4 below. Component parts, equipmen
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b. Normal maintenance services and normal maintenance items such as brakes, brake shoes, spark plugs, oil, air filters, mower blades, gauge wheels, skids and other wear items. c. Any Yazoo/Kees Product which had been altered or modified in any way. d. Any repair or replacement caused by customer neglect or lack of maintenance. (The purchaser is responsible for making sure that Yazoo/Kees Products are operated and serviced as directed in the applicable manual or service instruction. Incorrect u
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