Gravely Pro-Turn 400 Series Operator's Manual
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Gravely Pro-Turn 400 Series Operator's Manual

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Pro-Turn
Manuel de I'utilisateur
E10
400
Operator's Manual
ENGLISH
FRANÇAIS
™
Models
992273 – Pro-Turn 452
(SN 092000 +)
992275 – Pro-Turn 460
(SN 092000 +)
992276 – Pro-Turn 472
(SN 092000 +)
992278 – Pro-Turn 460 EFI
(SN 092000 +)
992279 – Pro-Turn 472 EFI
(SN 092000 +)
992282 – Pro-Turn 452 EFI
(SN 092000 +)
992283 – Pro-Turn 460 EFI
(SN 092000 +)
992284 – Pro-Turn 472 EFI
(SN 092000 +)
992284 – Pro-Turn 472 EFI
(SN 092000 +)
•
05297900A
3/20
Printed in USA

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Summary of Contents for Gravely Pro-Turn 400 Series

  • Page 1 Pro-Turn ™ Operator’s Manual Manuel de I’utilisateur Models 992273 – Pro-Turn 452 (SN 092000 +) 992275 – Pro-Turn 460 (SN 092000 +) 992276 – Pro-Turn 472 (SN 092000 +) 992278 – Pro-Turn 460 EFI (SN 092000 +) 992279 – Pro-Turn 472 EFI (SN 092000 +) 992282 –...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS WELCOME ..... . 1 MAINTENANCE ....23 Service Position .

  • Page 3: Welcome

    WELCOME Congratulations on your purchase and welcome to the Gravely family! Every machine in the Gravely lineup is designed for long-lasting and unsurpassed performance. We are confident your machine will be part of your family for many years to come.

  • Page 4: Safety

    When you see this symbol: personnel may result in severe fines or penalties. Emission controls and components • BECOME ALERT! can only be adjusted by a Gravely dealer or • OBEY THE MESSAGE! an authorized engine manufacturer's service center. Contact your Gravely Equipment...

  • Page 5: Safety Decals

    SAFETY DECALS 4. Notice NOTICE: Indicates information or procedures The safety decals on your unit are visual that are considered important but not hazard reminders of the important safety information related. If not followed, property damage in this manual. All messages on your unit could result.
  • Page 6 Safety Decal Descriptions 1. Tipping Hazard 1. DANGER! Avoid tipping hazard. DANGER! DO NOT operate on slopes over 15°. Read Operator’s Manual. 1. Amputation Hazard DO NOT operate on slopes over 15°. To avoid amputation hazard, DO NOT put hands near 1.
  • Page 7 Amputation Hazard – Look behind when operating NEVER stick hands or feet the unit in reverse. under deck or shielded areas. 1. Loss of Traction Hazard Stop engine, remove key, and read manual before servicing or making If loss of traction is adjustments to unit.

  • Page 8: Safety Rules

    6. ROTATING PARTS! 9. WARNING! Overfilling may cause severe damage to AVOID INJURY. Stay clear evaporative system. of rotating parts. NEVER fill fuel tank when engine is running, hot, or unit is indoors. Replace fuel cap securely 7. WARNING! and clean up spilled fuel. SERIOUS INJURY OR DEATH may result from No smoking.
  • Page 9 Only allow responsible adults, who are Personal Protection familiar with the instructions, to operate this DO NOT wear loose clothing or jewelry and machine. tie back hair that may get caught in rotating ALWAYS train any inexperienced operators parts. and require them to read and understand all Wear adequate outer garments.
  • Page 10 This product is equipped with an internal If you strike a foreign object, stop and combustion type engine. DO NOT use unit inspect the machine. Repair, if necessary, on or near any unimproved, forest-covered before restarting. or brush covered land unless exhaust NEVER leave a running machine system is equipped with a spark arrester unattended.
  • Page 11 Use extra care while operating machine with NEVER fill containers inside a vehicle or on grass catchers or other attachments; they a truck or trailer bed with a plastic liner. can affect the stability of the machine. DO ALWAYS place containers on the ground NOT use on steep slopes.
  • Page 12 Maintain or replace safety and instruction Batteries labels, as necessary. Avoid Electric Shock. Objects contacting Keep unit free of debris. Clean up oil or fuel both battery terminals at the same time may spills. result in injury and unit damage. DO NOT reverse battery connections.
  • Page 13 Storage NEVER store unit with fuel in fuel tank, inside a building where any ignition sources are present. Keep machine free of grass, leaves, or other debris build-up. Clean up oil or fuel spillage and remove any fuel-soaked debris. Allow machine to cool before storing.

  • Page 14: Assembly

    ASSEMBLY WARNING: Read and understand the Safety section before proceeding. 1. Remove wrap and packaging materials from unit. 2. Remove unit from shipping container. See Move Unit Manually on page 22. 3. Remove hardware from negative (-) battery cable, but DO NOT discard. 4.
  • Page 15 7. Rotate ROPS to operating position and 11. Check tire pressures and inflate to secure with lock pins. Secure lock pins recommendation. See Check Tire with hairpins. See Figure 7. Pressure on page 26 and see Specifications on page 45. 12.

  • Page 16: Controls & Features

    CONTROLS & FEATURES Models 992273, 992275, Models 992282, 992283, Model 992278, 992279 992276 992284 Figure 9 EN - 14...
  • Page 17 1. Ignition Key 18. Height-of-Cut Adjustment Dial 2. Choke Control Lever (Models 992273, 19. Transport Lock Release Lever 992275, 992276) 20. Flip-up Discharge Chute 3. Throttle Control Lever 21. Seat Adjustment Lever 4. Power Take-off (PTO) Switch 22. Seat Height Adjustment Switch 5.

  • Page 18: Ignition Key

    THROTTLE CONTROL LEVER WARNING: AVOID INJURY. See Figure 12. Read and understand the Safety Controls engine speed. section before proceeding. See Figure 9 for all controls and features locations. IGNITION KEY Fast See Figure 10. Controls power to the engine. The key cannot be removed when in on position.

  • Page 19: Oil Pressure Warning Light

    OIL PRESSURE WARNING LIGHT TRANSPORT LOCK RELEASE LEVER See Figure 15. Illuminates when oil pressure is low. Stop See Figure 17. engine immediately and refer to engine Releases deck from transport lock position. manual. Transport lock will not engage with transport lock release lever in rear position.

  • Page 20: Parking Brake Lever

    6. Check function of all controls. Figure 18 7. Check function of the Safety Interlock System by performing the tests below. Contact your Gravely dealer for repair if STEERING LEVERS any of the tests fail. Control the direction and speed of unit. To stop unit, return both steering levers to WARNING: AVOID INJURY.

  • Page 21: Position Rops

    Lower Center Bar Test Steering PTO Parking Result See Figure 20. Levers Brake Starting Interlock WARNING: AVOID INJURY. Neutral Engaged Engine Lower the center bar only when starts. needed to drive under an object. Forward, Engaged or Engine There is no rollover protection Neutral, Disengaged does not...

  • Page 22: Adjust Seat

    ADJUST SEAT WARNING: AVOID INJURY. Make all seat adjustments with the unit stopped, parking brake engaged and engine off. See Figure 21. Set Seat Height Toggle seat height adjustment switch left to raise seat or right to lower seat. Set Seat Position 1.

  • Page 23: Open Fuel Valve

    OPEN FUEL VALVE START THE ENGINE See Figure 24. 1. Move steering levers to neutral position. • Turn fuel valve toward the left or right fuel 2. Engage parking brake. tank to use fuel from that tank. 3. Push PTO switch down to off position. •...

  • Page 24: Stop The Engine

    STOP THE ENGINE Direction Lever Position of Travel WARNING: AVOID INJURY. Forward Push both levers Wait for all moving parts to stop forward from before leaving operator’s neutral position. position. 1. Move steering levers to the neutral Reverse Pull both levers position.

  • Page 25: Transport Unit

    Proper maintenance can prolong the life of unit. The Maintenance Schedule on Page 23 shows the recommended service schedule. Your Gravely dealer can provide service and adjustments to keep your unit operating at peak efficiency. Contact an authorized engine Service Performed manufacturer’s service center for engine...

  • Page 26: Service Parts

    500 hours. Air Filter (Outer) 21537000 Air Filter (Inner) 21536900 SERVICE PARTS Engine Oil Filter 20715100 See your Gravely dealer to purchase service parts for your unit. Fuel Filter 21539500 24 x 12-12 Radial Tire 07101045 Common Service Parts Description Qty.

  • Page 27: Check Safety Interlock System

    1. Place unit in service position. See 11. Remove the vent / fill plug and add Service Position on page 23. 15W-50 synthetic motor oil (Gravely p/n 00057100) or equivalent until oil 2. Remove hydraulic oil expansion tank appears at the bottom of the fill port caps.

  • Page 28: Check Tire Pressure

    CHECK MOWER BLADES Purge Hydraulic System Purge air from hydraulic system after draining Check blades for wear. Replace or sharpen oil or changing the filter. as needed. WARNING: AVOID INJURY. CAUTION: AVOID INJURY. Use This adjustment requires sturdy gloves or padding to operating the engine.

  • Page 29: Check Parking Brake

    Sharpen Blades 3. Check blade balance by sliding an unthreaded bolt through center hole. Hold the bolt level. If blade does not remain CAUTION: DO NOT sharpen horizontal, sharpen the heavy end until blades while attached to unit. blade is balanced. Install Blades 1.

  • Page 30: Clean Battery

    5. Charge battery following battery manufacturer’s instructions. 6. Reinstall battery. See Install Battery on page 28. Jump Starting Gravely does not recommend jump starting your unit. Jump-starting can damage engine and system components. Refer to engine manual for details. CHECK FASTENERS Check for loose hardware and tighten if necessary.

  • Page 31: Service & Adjustments

    SERVICE & ADJUSTMENTS ELECTRICAL SERVICE See Figure 35. Replace Fuse IMPORTANT: To avoid damaging the circuit, replace fuses with fuses of the same amperage rating. Determine the cause of electrical failure and repair before replacing failed electrical components. 1. Place unit in service position. See 1.

  • Page 32: Adjust Transaxles

    ADJUST TRANSAXLES Check For Excessive Creep WARNING: AVOID INJURY. This adjustment requires operating the engine. Use extreme care to avoid contact with moving parts and hot surfaces. Be sure rear of unit is well supported and secure before starting engine. 1.

  • Page 33: Adjust Parking Brake Interlock

    Set Parking Brake Neutral IMPORTANT: Torque wheel lug nuts to 81.3 N•m – 122.0 N•m (60 lb-ft – 90 lb-ft). 1. Adjust transaxles. See Adjust Transaxles on page 30. ADJUST PARKING BRAKE 2. Stop engine, remove key and wait for INTERLOCK moving parts to stop and for hot parts to cool.
  • Page 34 Adjust Height See Figure 40. The steering lever height may be adjusted for operator comfort. 1. Place steering levers in neutral position and engage parking brake. 2. Stop engine, remove key and wait for moving parts to stop and for hot parts to cool.

  • Page 35: Adjust Unit To Drive Straight

    ADJUST UNIT TO DRIVE ADJUST PARKING BRAKE STRAIGHT See Figure 43. IMPORTANT: Adjust both sides of parking Adjust Tire Pressure brake equally. 1. Place unit in service position. See Service Position on page 23. 1. Check parking brake. See Check Parking Brake on page 27.

  • Page 36: Replace Mower Belts

    REPLACE MOWER BELTS CAUTION: Damaged or worn belts may result in injury and / or damage to the unit. Check belts for excessive wear or cracks often. Remove PTO Belt See Figure 44. 1. Stop engine, remove key and wait for moving parts to stop and for hot parts to cool.
  • Page 37 Install PTO Belt Models 992274, 992275, 992276, 992278, IMPORTANT: Mower drive belt MUST be 992279, 992283, 992284 installed before PTO belt. See Install Mower Drive Belt on page 35. 1. Install PTO belt around clutch sheave at rear of unit. See Figure 49.

  • Page 38: Replace Transaxle Drive Belt

    REPLACE TRANSAXLE DRIVE BELT Remove Transaxle Drive Belt 1. Place steering levers in neutral position and engage parking brake. 2. Stop engine, remove key and wait for moving parts to stop and for hot parts to cool. 3. Remove PTO belt from clutch. See Remove PTO Belt on page 34.

  • Page 39: Adjust Anti-Scalp Wheels

    7. Remove clutch stop. See Figure 53. 1. Clutch Stop Figure 53 8. Remove transaxle drive belt from drive 1. Idler Pulley system in the following order: 2. Eye Bolt a. From right transaxle sheave. 3. Right Transaxle b. From left transaxle sheave. 4.

  • Page 40: Adjust Deck Lift Pedal

    ADJUST DECK LIFT ASSIST • For a very low cutting height, set the anti-scalp wheels in the highest position See Figure 57. on the bracket. The deck lift assist springs may be adjusted 5. Secure with original hardware. to modify deck lift assist and deck stability. IMPORTANT: All anti-scalp wheels MUST be Increased spring tension leads to easier deck set to the same height.

  • Page 41: Remove / Install Mower Deck

    REMOVE / INSTALL MOWER See Figure 59. DECK 7. Remove hardware retaining deck lift links to deck lift brackets. Remove Deck 8. Remove rear mounting pins securing 1. Place unit in service position. See mounting arms to deck. Service Position on page 23. WARNING: AVOID INJURY.

  • Page 42: Level And Pitch Mower Deck

    LEVEL AND PITCH MOWER Level Mower Deck DECK See Figure 62. 1. Lower the high side of deck: IMPORTANT: Make sure unit is on a flat, level surface and that tires are inflated to the a. Loosen jam nuts against deck- recommended pressures.

  • Page 43: Adjust Clutch

    ADJUST CLUTCH Adjust Blade Pitch IMPORTANT: Side-to-side deck heights NOTICE: Adjust clutch every 500 hours or MUST remain even after completing pitch once per season if used less than 500 hours. adjustment. See Figure 63. NOTICE: Pitching the front of the blades If clutch operates incorrectly or sounds lower than the rear provides a balance abnormal, check the gap at the three...

  • Page 44: Troubleshooting

    Unit does not drive. page 36. Transaxles are faulty. Contact your Gravely dealer. Transaxle drive system is faulty. Contact your Gravely dealer. Hydraulic oil level is low. Add hydraulic oil. See Check Hydraulic System on page 25. EN - 42...
  • Page 45 Cutting height is too low. Do not set height of cut too low. For very tall grass, mow twice. Clutch is faulty, damaged or Adjust clutch or see your Gravely slipping. dealer. Oil pressure is low. Stop engine immediately and refer to...

  • Page 46: Storage

    SHORT-TERM STORAGE ACCESSORIES IMPORTANT: NEVER wash unit with high- pressure water or store outdoors. See your Gravely dealer for a complete list of 1. Allow unit to cool and clean with mild compatible accessories and attachments for soap and water.

  • Page 47: Specifications

    49 (13) Type Refer to engine manual. Transmission Type Hydrostatic Drive Use 15W-50 synthetic motor oil (Gravely p/n 00057100) or equivalent Hydraulic Oil Filter Drive Speed Forward Maximum – km/h (mph) 20.8 (13.0) Reverse Maximum – km/h (mph) 9.6 (6.0)
  • Page 48 Tank Capacity – liter (gal) 49 (13) Type Refer to engine manual. Transmission Type Hydrostatic Drive Use 15W-50 synthetic motor oil (Gravely p/n 00057100) or equivalent Hydraulic Oil Filter Drive Speed Forward Maximum – km/h 20.8 (13.0) (mph) Reverse Maximum – km/h 9.6 (6.0)
  • Page 49 49 (13) Type Refer to engine manual. Transmission Type Hydrostatic Drive Use 15W-50 synthetic motor oil (Gravely p/n 00057100) or equivalent Hydraulic Oil Filter Drive Speed Forward Maximum – km/h (mph) 20.8 (13.0) Reverse Maximum – km/h (mph) 9.6 (6.0)

  • Page 50: Warranty

    If any product is rented or leased, then the duration of these warranties shall be 90 days after the date of purchase. An authorized Gravely dealer will repair any defect in material or workmanship, and repair or replace any defective part, subject to the conditions, limitations and exclusions set forth herein. Such repair or replacement will be free of charge (labor and parts) to the original purchaser;...
  • Page 51 Exclusions – Items Not Covered by This Warranty • Parts that are not genuine Gravely service parts are not covered by this warranty and may void the war- ranty if the parts result in premature wear or damage to the product.
  • Page 52 • Renting or leasing the vehicle. • Using the vehicle to tow or carry loads in excess of the limits specified in the operator’s manual. • Modifying the vehicle with parts and accessories that are not genuine or authorized Gravely parts or accessories.
  • Page 53 Disclaimer AriensCo may from time to time change the design of its products. Nothing contained in this warranty shall be construed as obligating the AriensCo to incorporate such design changes into previously manufactured products, nor shall such changes be construed as an admission that previous designs were defective. Limitation of Remedy and Damages AriensCo liability under this warranty, and under any implied warranty that may exist, is limited to repair of any defect in workmanship, and repair or replacement of any defective part.
  • Page 54 655 West Ryan Street Brillion, WI 54110 www.gravely.com...

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