Cub Cadet 20HP Z-Force 48 Operator's And Service Manual
Cub Cadet 20HP Z-Force 48 Operator's And Service Manual

Cub Cadet 20HP Z-Force 48 Operator's And Service Manual

Hydrostatic zero-turn residential riding mower w/ fabricated deck
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Hydrostatic Zero-Turn
Residential Riding Mower
Turf Equipment
MODEL
20HP Z-Force 48
w/ Fabricated Deck
OPERATOR'S AND SERVICE MANUAL

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Summary of Contents for Cub Cadet 20HP Z-Force 48

  • Page 1 Hydrostatic Zero-Turn Residential Riding Mower Turf Equipment MODEL 20HP Z-Force 48 w/ Fabricated Deck OPERATOR’S AND SERVICE MANUAL...
  • Page 2: Table Of Contents

    TABLE OF CONTENTS Foreword............. . . 3 General Safety Operations .
  • Page 3: Foreword

    FOREWORD The Hydrostatic Zero-Turn Riding Mower provides superb maneuverability and mid-mount cut- ting. The machine incorporates many safety features that should be studied by all operators before use. The list of safety precautions should receive particular attention. This manual presents all of the operating and maintenance instructions necessary to keep your mower at peak efficiency.
  • Page 4: General Safety Operations

    WARNING • The engine exhaust, some of its constituents, and certain vehicle components contain or emit chemicals known to the State of California to cause cancer, birth defects or other reproductive harm. • This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forest-covered, brush-covered, or grass-covered land unless the engine’s exhaust system is equipped with a spark arrester meeting applicable local or state laws (if any).
  • Page 5: Slope Operation

    • Do not use the grass catcher on steep slopes. 22. Use only accessories approved for this C. CHILDREN machine by Cub Cadet. Read, understand and follow all instructions provided with the Tragic accidents can occur if the operator is not approved accessory.
  • Page 6: Service

    Remove the key when the machine is left expose moving parts or allow objects to be unattended to prevent unauthorized opera- thrown. For your safety protection, frequently tion. check the components and replace with man- ufacturers recommended parts when neces- D.
  • Page 7 and is contained within the positive and negative ter- minals as well as within the battery’s internal grid- work of plates and active materials. Explosive gases are generated when batteries are re-charged, so sparks, flames and heat sources should be avoided. Loose connections at the battery terminals can produce sprks and heat...connections to the terminals must be kept tight, and the terminals and battery surfaces kept clean of acids and corro-...
  • Page 8: Safety Decals

    SAFETY DECALS AND LABELS DANGER KEEP HANDS AND FEET AWAY. DO NOT OPERATE MOWER UNLESS CHUTE DEFLECTOR OR ENTIRE GRASS CATCHER IS IN ITS PROPER PLACE. S30503 ASSEMBLE CHUTE DEFLECTOR TO THIS UNIT BEFORE OPERATING. Part Number: 777I22444 Part Number: 777S30503 To unlock, pull part of handle inward.
  • Page 9: Specifications

    SPECIFICATIONS GENERAL INFO. Controls: Engine ignition and start switch; throttle & choke; left and right steering levers; electric blade clutch switch; parking brake; mower deck lift Parking Brake: Mechanical linkage attached to the brake handle Seat: Adjustable seat. 4" Adjustment, w/ arm rests Frame: Structural steel, all welded construction Instrumentation:...
  • Page 10: Operating Instructions

    OPERATING INSTRUCTIONS Figure. 1 Figure. 2 Choke Engine throttle Electric Blade Hour Meter Clutch Switch Ignition Switch A. General maintain the uphill side lap bar “essen- tially” in a fixed position. 1. When Mowing: k. Be careful when crossing gravel paths or a.
  • Page 11: Controls

    2. Safety Awareness when Mowing next and each subsequent time that the a. Do not operate on steep slopes, those area is mowed. above 15 degrees (27% slope). B. Controls b. Avoid turning downhill if possible, use extra 1. Engine Ignition and Start Switch: (See Fig- care and go slowly.
  • Page 12 Steering Levers Brake Figure. 4 Fuel Shutoff Valve Figure. 3 Deck Lift Handle 8. Seat Adjustment Lever: The Seat Adjust- 4. Electric Blade Clutch Switch: (See Figure ment Lever is located beneath the seat. The 1.) Located on the right side of the mower Seat Adjustment Lever is used to move the beside the ignition switch.
  • Page 13: Initial Adjustments

    C. Initial Adjustments plugs and using the transport lever, lower the mowing deck into the cutting position. 1. Check the fluid levels and tires: b. Using a ruler, pencil and paper, measure Note: and note the distance from the paved sur- These checks should be made daily, face to the bottom edge of the mowing before starting the engine.
  • Page 14: Zero Turn Break-In And Operating Procedures

    5. Lubricate all fittings listed in the mainte- e. This is a one person machine, operator nance section. only! Riders are not permitted under any circumstance! D. Zero Turn Break-In And Operating To start the engine on the machine: Procedures 1.
  • Page 15 that the lap bars are moved toward the (to the RIGHT), move the RIGHT lap bar front of the machine, the faster the rearward more than the left side. NOTE: machine will move in the forward direc- If one lap bar is in the neutral position tion.
  • Page 16: E.mower Cutting Blades

    mower is much more maneuverable and Set the parking brake. much less fatiguing to operate. However, get- g. Turn off the ignition switch and take the key ting used to the fingertip control of the zero- from the switch. turning-radius mower takes some practice. h.
  • Page 17: Mower Deck

    Front Lift Rod Figure. 6 Hair Pin Clevis Pin A. Mower Deck Remove the blade. g. To replace the blade reverse the above Removing the Mower Deck: process and tighten nut to 100-120 lb ft. a. Apply the parking brake. Remove ignition key and both spark plug caps.
  • Page 18: Hydrostatic Drive System

    Hydrostatic Transaxles Figure 9 Spindle Figure 8 C.Electrical Circuit square opening in the lower idler arm assembly and push the idler arm counter- clockwise. While holding the idler arm Danger: back, loosen the blade drive belt from the pulley and slide the belt away from the pul- Read General Safety Precautions Nos.
  • Page 19 c. Store the battery with a full charge. A dis- switch must be off, the parking brake must be charged battery will freeze (refer to the engaged, and both steering levers must be table below). opened-out to the side in the neutral position. Once the engine is started, the seat must be occupied and the parking brake must be Specific Gravity...
  • Page 20: Tires

    ing brake switch must be repositioned or stop when you dismount from the opera- perhaps replaced. If the engine does not tor’s seat, the seat switch must be start, engage the parking brake and start replaced. the engine. Swing one steering lever up to e.
  • Page 21: Brakes

    The pumps and motors are not dynamically through the hydraulic pumps and traction owner-repairable. If a pump fails, contact your Cub Cadet dealer. Do not disassemble the motors, controlled by the two steering levers. When the pump/motors. mower is parked with the engine shut off, the hydraulic...
  • Page 22: G.storage

    2. Steering Lever Adjustments: Place the deposits from forming. Replace the fuel fil- mower on level ground with the engine run- ter. ning, parking brake off and steering levers g. Gasoline Engine Only: Remove the spark opened out to the neutral position. If the plugs and pour approximately one ounce mower begins to creep, adjust the steering of oil into each cylinder.
  • Page 23 B. Every 25 Hour Checks 6. Lubricate all grease fittings. Follow the Lubrication Chart. 1. Service the engine foam element air cleaner.* D. Every 100 Hour Checks 2. Grease the three spindle bearings. 1. Change the engine oil filter. (Every 50 hours C.
  • Page 24: Performance Adjustments

    Performance Adjustments B. Engine RPM Check and Adjustment Table 1 Description High RPM Spec. Low RPM Spec. A. High Speed Tracking Adjustment 20 Kohler 3400 +/-75 1550 +/-100 If mower tracks to one side with both lap bars in fully NOTE: RPM Specs.
  • Page 25: Deck Corner Ball Wheel Roller Settings

    C. Deck Corner Ball Wheel Roller Settings c. Replace the bolts and nuts, and tighten to 28-34 ft-lbs. Matching the set heights of the ball rollers on 1. If angular adjustments are also required, the four corners of the mower deck to the nuts can be tightened until snug at this desired cut height will prevent edge scalping point.
  • Page 26 Check to be sure that the rear lift arm is Point C mounted in the proper hole for the deck size that Front you have on your unit (see Fig. 12). of Unit Point C Left Side Measure blade-to-ground height at the front tip Jam Nuts of the right blade.
  • Page 27: Wiring Diagram

    WIRING DIAGRAM GD: 02000555...
  • Page 28: Slope Gauge

    SLOPE GAUGE...
  • Page 29 MAINTENANCE RECORD DATE WORK PERFORMED DATE WORK PERFORMED...
  • Page 30 MAINTENANCE RECORD DATE WORK PERFORMED DATE WORK PERFORMED...
  • Page 32 There is no other express warranty. How to obtain service Contact your authorized Cub Cadet servicing dealer who sold you your Cub Cadet equipment. If this dealer is not available, see the Consumer Yellow Pages under “lawn mowers” for the name of a dealer near you.

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