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ZT HD
Owner/Operator Manual
Manuel Du Propriétaire/Utilisateur
Models
991082 – ZT HD48
(Serial No. 010000 and up)
991083 – ZT HD52
(Serial No. 010000 and up)
991084 – ZT HD60
(Serial No. 010000 and up)
991090 – ZT HD44
(Serial No. 010000 and up)
991091 – ZT HD60
(Serial No. 000101 and up)
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
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TABLE OF CONTENTS Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Storage . . . . . . . . . . . . . . . . . . . . . . . . . 32 Assembly . . . . . . . . . . . . . . . . . . . . . . . 12 Accessories . . . . . . . . . . . . . . . . . . . . . 32 Controls and Features. . . . . . . . . . . . . 13 Service Parts . . . . . . . . . . . . . . . . . . . . 32 Operation . . . . . . . . . . . . . . . . . . . . . . . 14 Specifications . . . . . . . . . . . . . . . . . . . 33 Maintenance Schedule
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NOTE: To locate your nearest Gravely Serial Number Label Dealer, go to www.gravely.com. DISCLAIMER Gravely reserves the right to discontinue, change, and improve its products at any time without public notice or obligation to the purchaser. The descriptions and specifications contained in this manual were in effect at printing. Equipment described within this manual may be optional. Some illustrations may not be applicable to your unit. DEALER DELIVERY Dealer should: 1. Test brakes afte
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SAFETY WARNING: This cutting machine WARNING: POTENTIALLY is capable of amputating hands HAZARDOUS SITUATION! If not and feet and throwing objects. avoided, COULD RESULT in Failure to observe the safety death or serious injury. instructions in the manuals and on decals could result in serious injury or death. CAUTION: POTENTIALLY Slopes are a major factor related HAZARDOUS SITUATION! If not to loss-of-control and tip-over avoided, MAY RESULT in minor or accidents. Operation on all slop
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NOTE: This unit may contain any of the following safety decals. 1 11 2 10 Never fill tank when engine is running, hot or unit is indoors. Never overfill fuel P tank. Replace fuel cap securely and clean up spilled fuel. 9 08000611A 07800403 8 3 7 07800401 6 4 5 Figure 2 NEVER CARRY 1. 1. Danger! TO AVOID SERIOUS CHILDREN. INJURY OR DEATH Read Owner/Operator Manual. Allow operation only by properly trained adult, never children. Go up and down slopes, not across. DO NOT operate on
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2. DANGER Do not operate mower unless all guards are in operating position or bagger is attached. DANGER! 2.3 Tipping Hazard Read and understand the operator’s manual before Avoid tipping hazard. operating unit. 2.1 Dismemberment Hazard DO NOT operate on slopes over 15°. To avoid dismemberment hazard do not put hands near rotating blades. DO NOT operate on slopes over 15°. To avoid dismemberment hazard do not put hands near moving belts. 2.4 Service Hazard Keep hands away from al
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3. DANGER! 2.5 Bystander Hazard Discharge Hazard – NEVER operate unit DO NOT operate the unit in without discharge chute the presence of in operating position. bystanders. Thrown objects can cause injury or damage. Do not operate mower unless all guards are in Do not carry passengers. operating position or bagger is attached. 4. DANGER! Look behind when operating the unit in reverse. AVOID INJURY. Stay clear of rotating parts. 2.6 Loss of Traction Hazard If loss of traction is
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5. DANGER! 7. DANGER! Discharge Hazard - Discharge Hazard – NEVER direct discharge NEVER operate unit toward people, pets or without discharge chute property. Thrown objects in operating position. can cause injury or Thrown objects can damage. cause injury or damage. Dismemberment Hazard – Do not operate mower NEVER stick hands or feet unless all guards are in under deck or shielded operating position or areas. bagger is attached. 8. DANGER! Shut off engine, remove key, and read manua
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ALWAYS remove key and/or wire from spark plug before assembly. Unintentional engine 10. CAUTION! start up can cause death or serious injury. Complete a walk around inspection of unit and work area to understand: • Work area • Your unit • All safety decals No smoking. Determine which attachments are needed and can be used safely. Inspect unit before each use for: missing or damaged decals and shields, correctly operating safety interlock system, and deterioration of grass catchers.
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Moving parts can cut or amputate fingers or a ALWAYS disengage PTO, stop unit and hand. Wrap blade(s) or wear gloves to engine, remove key, engage parking brake service. On multiblade mowers, rotation of and allow moving parts to stop before leaving one blade will cause all blades to rotate. operator’s position. NEVER place your hands or any part of your Never engage PTO while raising attachment body or clothing inside or near any moving or when attachment is in raised position. part while u
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Follow the manufacturer’s recommendations ALWAYS disconnect negative (-) cable FIRST for weight limits for towed equipment and and positive (+) cable SECOND. ALWAYS towing on slopes. connect positive (+) cable FIRST, and negative (-) cable SECOND. NEVER allow children or others in or on towed equipment. Explosive Gases from battery can cause On slopes, the weight of the towed equipment death or serious injury. Poisonous battery may cause loss of control. fluid contains sulfuric acid and it
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ASSEMBLY 1 2 WARNING: AVOID INJURY. 1 3 Read and understand entire Safety section before proceeding. UNIT ASSEMBLY Package Contents: Unit, Mower Deck and Literature Pack Preparation Checklist Refer to the Owner/Operator manual as required. 1. Unpack Unit – Remove shrink wrap and packaging materials. 1. Steering 3. Mounting 2. Remove Unit From Container – Open Levers Hardware Bypass Valves (dump valves) (See 2. Seat OF4110 Moving the Unit with the Engine Off on Figure 3 page 18). 6. Batte
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CONTROLS AND FEATURES 15 2 1 3 13 9 10 4 7 6 14 8 12 11 5 OM4090 OM4085 OF4410 Figure 4 OF4040 1. Fuel Tank and Cap 9. Battery 2. Steering Levers 10. Mower Lift Pedal 3. Hydraulic Oil Reservoir 11. Mower Deck 4. Ignition Switch 12. Mower Lift Lock 5. Hour Meter 13. Seat Adjustment Lever 6. Throttle Lever 14. Parking Brake 7. Choke Control 15. Bypass Valve Lever 8. Power Take Off (PTO) Switch GB - 13
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OPERATION Steering Levers WARNING: AVOID INJURY. Read and understand entire Safety section before proceeding. B A CONTROLS AND FEATURES See Figure 4 for Controls and Features locations. Safety Interlock System D C WARNING: Safety interlock system failure and improper operation of unit can result in The steering levers control speed and death or serious injury. Test this direction. In addition, they will stop the unit. system each time the unit is A. For reverse travel, pull both steeri
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Cutting Height: Throttle Lever Put cutting height adjustment pin in desired The throttle lever changes 1 hole. Push mower lift pedal forward and hold the engine speed. Move it while pushing down on the lift lock. Slowly the throttle lever to Fast (1) lower mower lift pedal until deck lift contacts to increase engine speed. cutting height adjustment pin. Move the lever to Slow (2) to decrease engine speed. Parking Brake Lever 1. Pull lever up to engage parking brake. 2. Push lever down
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NOTE: The hour meter is preprogrammed for GASOLINE the initial oil change at 25 hours and for 100 IMPORTANT: ALWAYS use gasoline that hours thereafter. The hour meter is meets the following guidelines: programmed for the initial hydraulic oil and filter change at 75 hours and for 400 hours • Clean, fresh gasoline. thereafter. • A minimum of 87 octane/87 AKI (91 RON). High altitude use may require a Display different octane. Consult your engine manual. • Gasoline with up to 10% ethanol
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To stop the engine: 3. Check Engine Fuel and Crankcase Oil 1. Bring the steering levers to neutral. Disengage the PTO and engage the Check and add fuel if required. Check that parking brake. engine crankcase oil is full. Follow Engine 2. Move the throttle lever to the “Slow” Manual Maintenance Schedule. position. 4. Check Tire Pressure 3. Turn the ignition key to the “Off” position. See Specifications on page 33 for correct tire TO MOW WITH UNIT pressure. Operate the unit only when s
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MOVING THE UNIT WITH THE FOR BEST PERFORMANCE ENGINE OFF Cut grass when it is dry. Keep mower blades sharp. IMPORTANT: Never tow unit. Keep mower deck properly levelled. 1. Shut OFF engine. 2. Place seat in the service position (See Adjust anti-scalp rollers to prevent scalping. Service Position on page 20). Do not set height of cut too low. For very tall 3. Pull the right and left bypass levers to grass, mow twice. the neutral position. Do not travel too fast. Mow with the engine set at full
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MAINTENANCE SCHEDULE Proper maintenance can prolong the life of unit. The following charts show the WARNING: AVOID INJURY. recommended service schedule. More Read and understand entire frequent service may be required due to Safety section before proceeding. working conditions (heavy loads, high ambient temperatures, dusty conditions, or airborne debris). See the maintenance instructions in the Engine Manual for additional information. Period Service Task Check Safety Interlock WARNING:
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Period Service Task Follow Engine Manual Perform scheduled engine maintenance. Refer to Each Maintenance Schedule engine manual for detailed instructions. Use Check Mower Blades Check mower blades for wear. Sharpen or replace Every as needed. See Mower Blades on page 22. 25 Hours Check Air FIlter Check air filter for dirt. Clean as required. Follow Engine Manual for maintenance schedule. Every Lubricate Unit Oil all pivot points and pin connections. Grease 50 lube fittings. See Lubricat
