Gravely ZT34 CARB Owner's/Operator's Manual
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Gravely ZT34 CARB Owner's/Operator's Manual

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ZT
Owner/Operator Manual
Manuel Du Propriétaire/Utilisateur
Gasoline containing up to 10% ethanol (E10) or up to 10% MTBE (methyl tertiary butyl ether) is
acceptable for use in this machine.
The use of any gasoline exceeding 10% ethanol (E10) or 10% MTBE will void the product
warranty.
Il est possible d'utiliser de l'essence contenant jusqu'à 10% d'éthanol (E10) ou 10% de MTBE
(éther méthyl-tertiobutylique) sur cette machine.
L'utilisation d'une essence contenant plus de 10% d'éthanol (E10) ou de 10% de MTBE
annulent la garantie.
ENGLISH
FRANÇAIS
Models
915146 – ZT34
915148 – ZT42
915150 – ZT50
915168 – ZT34 CARB
915170 – ZT42 CARB
04012600B 1/11
Printed in USA

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  • Page 1 915146 – ZT34 915148 – ZT42 915150 – ZT50 915168 – ZT34 CARB 915170 – ZT42 CARB Gasoline containing up to 10% ethanol (E10) or up to 10% MTBE (methyl tertiary butyl ether) is acceptable for use in this machine.

  • Page 2: Table Of Contents

    English may be obtained from your completely read your manuals. The contents Dealer. Visit your dealer or will provide you with an understanding of www.gravely.com for a list of safety instructions and controls during normal languages available for your operation and maintenance.
  • Page 3 Gravely authorized replacement part may adversely affect the performance, durability, and safety of this unit and may void the warranty. Gravely disclaims liability for any claims or damages, whether warranty, property damage, personal injury or death arising out of the use of unauthorized replacement parts.

  • Page 4: Safety

    SAFETY The safety alert symbol is used in decals and with this manual. Understand the safety WARNING: This cutting machine message. It contains important information is capable of amputating hands about personal safety. and feet and throwing objects. Failure to observe the safety instructions in the manuals and on WARNING: POTENTIALLY decals could result in serious...
  • Page 5 Figure 2 1.DANGER! 3.DANGER! Always keep feet and hands Avoid injury - Stay clear of away from rotating parts. rotating parts. OL1816 OL1809 2.CAUTION Always stand clear of discharge area. Do not direct discharge toward other people. OL1810 No smoking. Keep people away from unit while operating.

  • Page 6: Safety Rules

    4.DANGER! TO AVOID SERIOUS 5.WARNING! INJURY OR DEATH Read the operator’s manual. Always stand clear of discharge area. OL1814 OL1801 Keep children and others away Do not operate mower unless from unit while operating. bagger is attached or guards are in operating position. OL1815 OL1802 Never direct discharge toward...
  • Page 7 Read, understand, and follow all safety Start and operate unit only when seated in practices in Owner/Operator Manual before operator’s position. Steering control levers assembling, using or working on this mower. must be in neutral, PTO disengaged and parking brake set when starting engine. ALWAYS remove key from ignition and wire from spark plug before assembly, or working ALWAYS keep body and hands away from...
  • Page 8 • Return steering levers to neutral Fuel is highly flammable and its vapors are position. explosive. Handle with care. Use only an approved gasoline container with an • Immediately set parking brake. appropriately sized dispensing spout. • Turn off PTO and engine. NO smoking, NO sparks, NO flames.

  • Page 9: Assembly

    A frozen battery can explode and result in Rotation of one blade may cause rotation of death or serious injury. DO NOT charge or the other blades. jump start a battery containing frozen fluid. Check brake operation frequently. Adjust and Thaw the battery before putting on a charger service as required.
  • Page 10 Check Tire Pressure Level Mower Deck See LEVELLING AND ADJUSTING PITCH CAUTION: Avoid injury! OF MOWER DECK on page 18. Explosive separation of tire and Fill Fuel Tank rim parts is possible when they are serviced incorrectly: Fill fuel tank. DO NOT OVERFILL! See •...

  • Page 11: Controls And Features

    CONTROLS AND FEATURES 915146, 168 915148, 150, 170 Figure 4 1. Ignition Switch 7. Mower Lift Pedal 2. PTO Switch 8. Mower Deck 3. Seat 9. Discharge Chute 4. Fuel Level 10. Parking Brake 5. Steering Levers 11. Choke (915148, 150, 170) 6.

  • Page 12: Operation

    See figure 4 for all controls and features properly. locations. Perform the following tests to ensure the safety interlock system is working properly. If the unit does not perform as stated contact your Gravely dealer for repairs. Test Steering Lever Parking Brake Engine Neutral Position...
  • Page 13 Power Take-Off (PTO) Switch 1. Clean fuel caps and surrounding area to prevent dust, dirt, and debris from Engages (2) entering fuel tanks. 2. Remove fuel caps. disengages IMPORTANT: Refer to Engine Manual for (1) mower correct type and grade of fuel. blades.

  • Page 14: Starting The Engine

    Fuel Stabilizer Stopping the Engine Gasoline left in the fuel system for extended 1. Stop unit. periods without a stabilizer will deteriorate, 2. Disengage PTO. resulting in gum deposits in the system. 3. Set throttle lever to slow. These deposits can damage the carburetor 4.
  • Page 15 FOR BEST PERFORMANCE Cut grass when it is dry. Keep mower blades sharp. Keep mower deck properly leveled. Do not set height of cut too low. For very tall grass, mow twice. Do not travel too fast. Mow with the engine set at full throttle. When mulching, only remove one-third of grass length per cutting.

  • Page 16: Maintenance Schedule

    Parking MOVING UNIT MANUALLY on page 15). Push unit. If unit rolls, contact Brake your Gravely Dealer. Clean Unit Clean engine, battery, seat, mower deck, etc. of all dirt and debris. Do not use solvents, hard cleaners, or abrasives. NOTE: Protect painted surfaces with automotive type wax.

  • Page 17: Service And Adjustments

    Interval Task Action Check Keep battery and battery terminals clean (see Cleaning Battery and Battery Battery Cables on page 21). Lubricate Apply grease to zerk (1) on each Unit front wheel 25 Hours or Every Season 50 Hours Check Check mower blade mounting hardware and all other fasteners. or Every Fasteners Replace fasteners that are missing or damaged.
  • Page 18 SEAT ADJUSTMENT 2. Disconnect drag link from the front deck bracket. 1. Tip the seat forward. 3. Disconnect front and rear trunnions from 2. Loosen mounting hardware and slide the lift arms. seat forward or backward to desired 4. Slide mower deck out from under unit. position.
  • Page 19 The Pitch Of The Mower Blades From Lowest Cutting Position Side-To-Side (Figure 10) • Should be within 1/4 in. (6.35 mm) as measured on each side of the mower deck. NOTE: This measurement must be taken when the mower blade ends point left and right.
  • Page 20 REPLACING MOWER BLADE on 1. Install mower blades on spindles with page 20). mounting hardware. Gravely recommends having mower blades 2. Torque 5/8-inch nut to 92 to 130 lbf-ft sharpened by a professional. Contact your (125 to 176 N•m). Gravely dealer.
  • Page 21 Install 4. Install mower blade on unit (see REPLACING MOWER BLADE on (Figure 14) page 20). 1. Install battery on the unit with battery hold-down bracket. DO NOT Sharpen to this Pattern 2. Connect positive (+) cable first, then negative (–) cable. 3.

  • Page 22: Charging The Battery

    NOTE: When adjusting steering levers for the first time it is recommended that you make Jump-Starting adjustments in the following order. Gravely does not recommend jump-starting 1. Adjust Steering Lever Height your unit. Jump-starting can damage engine and electrical system components. See your 1.
  • Page 23 Rotate this end away from the the operator position to move the steering levers in. Rotate this end away from the operator position to move the steering levers out. Figure 16 1. Forward Travel Adjustment Bolt 2. Lower Control Arm 3.
  • Page 24 3. Slowly release idler arm until idler pulley 915146, 168 rests firmly against PTO belt. 4. Install belt covers on mower deck. NOTE: Ensure that belt is still positioned in the groove of the sheave after belt covers are installed. REPLACING HYDROSTATIC BELT Remove (Figure 20)

  • Page 25: Storage

    5. Connect spark plug wire(s) or replace spark loose or spark plug(s). Refer to Engine Manual for detailed plug(s) faulty. instructions. 6. Faulty electrical 6. Contact your Gravely Dealer. system. 7. Faulty engine. 7. Contact your Gravely Dealer. Engine runs 1. Choke engaged.
  • Page 26 2. Faulty hydrostatic 2. Replace hydrostatic belt (see REPLACING steering levers. belt. HYDROSTATIC BELT on page 24). 3. Faulty 3. Contact your Gravely Dealer. transmission. PTO or mower 1. Operator 1. Depress operator presence switch by sitting presence switch on seat.

  • Page 27: Service Parts

    SERVICE PARTS ACCESSORIES Be sure to always use genuine Gravely See your authorized Gravely dealer to add parts to keep your unit running like new. these optional accessories to your unit. Part No. Description Part No. Description 51519500 34- and 50-Inch Spindle...

  • Page 28: Specifications

    SPECIFICATIONS Model Number 915146 915148 915150 Model ZT 34 ZT 42 ZT 50 Engine Type Briggs & Stratton Kawasaki Kawasaki Intek 30.51 (500) 44.3(726) 44.3(726) Engine Displacement in. (cc) Governed RPM (May be different 3600 + 0 from maximum RPM) 3600 –...
  • Page 29 SPECIFICATIONS Model Number 915168 915170 Model ZT 34 CARB ZT 42 CARB Engine Type Briggs & Stratton Kawasaki 30.51 (500) 44.3 (726) Engine Displacement in. (cc) Governed RPM (May be different 3600 + 0 from maximum RPM) 3600 – 100 Drive Forward Max.

  • Page 30: Warranty

    If the product is put to any business use, agricultural, commercial, or industrial, then the duration of these warranties shall be 90 days after the date of purchase. For Ariens Max Zoom and Gravely ZT HD models put to commercial use, the duration of these warranties, except for service parts and accessories, is one year from the date of purchase.
  • Page 31 Engines and engine accessories are covered only by the engine manufacturer’s warranty and are not covered by this warranty. • Parts that are not genuine Ariens, Gravely or Countax service parts are not covered by this warranty. • The following maintenance, service and replacement items are not covered by this warranty unless...
  • Page 32 • You are responsible for presenting your small off-road equipment to an authorized Ariens, Gravely, or Parker service representative as soon as the problem exists. The warranty repairs should be completed in a reasonable amount of time, not to exceed 30 days.
  • Page 33 (4.) Repair or replacement of any warranted part under the warranty provisions of this article must be performed at no charge to the owner at an authorized Ariens, Gravely, or Parker service representative. (5.) Notwithstanding the provisions of subsection (4) above, warranty services or repairs must be provided at authorized Ariens, Gravely, or Parker service representatives that are franchised to service the subject small off-road equipment.
  • Page 34 GRAVELY 655 West Ryan Street Brillion, WI 54110-1072 920-756-4688 Fax 920-756-2407 www.gravely.com...

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