Gravely ZT HD 48 Operator's Manual
  1. Manuals
  2. Brands
  3. Gravely Manuals
  4. Lawn Mower
  5. ZT HD 48
  6. Operator's manual

Gravely ZT HD 48 Operator's Manual

Hide thumbs Also See for ZT HD 48:
Table of Contents

Advertisement

Quick Links

ZT HD
Manuel de I'utilisateur
E10
Operator's Manual
ENGLISH
FRANÇAIS
™
Models
991152 – ZT HD 48
(SN 000101 +)
991154 – ZT HD 52
(SN 000101 +)
991156 – ZT HD 60
(SN 000101 +)
991160 – ZT HD 44
(SN 000101 +)
991162 – ZT HD 48
(SN 000101 +)
991164 – ZT HD 52
(SN 000101 +)
991166 – ZT HD 60
(SN 000101 +)
991180 – ZT HD 44 CARB
(SN 000101 +)
991182 – ZT HD 48 CARB
(SN 000101 +)
991184 – ZT HD 52 CARB
(SN 000101 +)
991186 – ZT HD 60 CARB
(SN 000101 +)
•
05075300C
6/17
Printed in USA

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the ZT HD 48 and is the answer not in the manual?

Questions and answers

Jackie
May 13, 2025

I need the owners manual not the operators manual

0

Subscribe to Our Youtube Channel

Related Manuals for Gravely ZT HD 48

Summary of Contents for Gravely ZT HD 48

  • Page 1 991166 – ZT HD 60 (SN 000101 +) 991180 – ZT HD 44 CARB (SN 000101 +) 991182 – ZT HD 48 CARB (SN 000101 +) 991184 – ZT HD 52 CARB (SN 000101 +) 991186 – ZT HD 60 CARB...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS WELCOME ..... . 1 Check Mower Belts ....24 Check Hydraulic System .

  • 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

    COULD RESULT in death or or serious injury. If you have purchased this serious injury. product from an Gravely dealer, the dealer can provide you with training. 3. Caution Familiarize yourself and any other operators...

  • Page 5: Safety Decals

    5. Important ALWAYS replace missing or damaged safety decals. Replacement decal part numbers are IMPORTANT: Indicates general reference found in the parts manual for your machine information worthy of special attention. and may be ordered from your dealer. SAFETY DECALS See Figure 2 for safety decal locations.
  • Page 6 Safety Decal Descriptions 3. DANGER! 1. DANGER! Discharge Hazard - NEVER operate unit DANGER! without discharge chute in operating position. Thrown objects can cause injury or damage. Read and understand the DO NOT operate mower operator’s manual before unless all guards are in operating unit.
  • Page 7 3.3 Tipping Hazard Look behind when operating the unit in reverse. Avoid tipping hazard. 3.6 Loss of Traction Hazard If loss of traction is DO NOT operate on slopes experienced do the over 15°. following: DO NOT operate on slopes Disengage PTO.

  • Page 8: Safety Rules

    SAFETY RULES 7. DANGER! The following safety instructions are based on the B71.1 specifications of the American National Standards Institute and ISO 5395 in DANGER! effect at the time of production. Training Read, understand, and follow all instructions on the machine and in the manual(s) before starting.
  • Page 9 Inspect unit before each use for missing or Children damaged decals and shields, correctly Tragic accidents can occur if the operator is operating safety interlock system, and not alert to the presence of children. deterioration of grass catchers. Replace or Children are often attracted to the machine repair as needed.
  • Page 10 NEVER direct discharged material toward Check for weak spots on docks, ramps or anyone. Avoid discharging material against floors. Avoid uneven work areas and rough a wall or obstruction. Material may ricochet terrain. Stay alert for hidden hazards or back toward the operator. Stop the blade(s) traffic.
  • Page 11 DO NOT park on slopes unless necessary. Keep the nozzle in contact with the rim of When parking on slope ALWAYS chock or the fuel tank or container opening at all block wheels. ALWAYS set parking brake. times until the fueling is complete. DO NOT use a nozzle lock-open device.
  • Page 12 No flames, No sparks, No smoking near Transporting Unit battery. Use extra care when loading or unloading ALWAYS wear safety glasses and protective the machine into a trailer or truck. gear near battery. Use insulated tools. Secure unit chassis to transport vehicle. ALWAYS keep batteries out of reach of NEVER secure from rods or linkages that children.

  • Page 13: Assembly

    6. Rotate steering levers to operating ASSEMBLY position and install eccentric spacer between steering lever plates. Secure with hardware. See Figure 5. WARNING: AVOID INJURY. Read and understand the Safety section before proceeding. 1. Remove wrap and packaging materials from unit. 2.
  • Page 14 6. Remove battery from unit and charge. See Charge Battery on page 24. 7. Make sure deck is level. See Level and Pitch Mower Deck on page 35. 8. Ensure all hardware is tight. EN - 12...

  • Page 15: Controls And Features

    CONTROLS AND FEATURES Models Models 991160 991180 991152 991162 991182 991154 991164 991184 991156 991166 991186 Figure 6 1. Fuel Tank and Cap 14. Deck Lift Pedal 2. Fuel Level Window 15. Seat Adjustment Lever 3. Oil Filter 16. Parking Brake Lever 4.

  • Page 16: Ignition Key

    THROTTLE CONTROL LEVER WARNING: AVOID INJURY. See Figure 9. Read and understand the Controls engine speed. Safety section before proceeding. See Figure 6 for all controls and features locations. Fast IGNITION KEY See Figure 7. Controls power to the engine. The key cannot be removed when in run position.

  • Page 17: Transport Lock Release Lever

    TRANSPORT LOCK RELEASE Brake Engaged (On) LEVER See Figure 11. Releases deck from transport lock position. Brake Released (Off) Figure 11 DECK LIFT PEDAL Raises mower deck to change height-of-cut setting. SEAT ADJUSTMENT LEVER Unlocks seat to allow operator to move seat forward or backward and then lock in desired position.

  • Page 18: Anti-Scalp Rollers

    184, 186 Only: If choke is on, wait a few Safety Interlock System on page 20. seconds after engine starts and then push Contact your Gravely dealer for repair if choke knob down to off position. any of the tests fail.

  • Page 19: Operate Unit

    OPERATE UNIT For Best Mowing Results • Cut grass when it is dry. 1. Release parking brake. • Keep mower blades sharp. WARNING: AVOID INJURY. • Keep mower deck properly leveled. Move the steering levers • Adjust anti-scalp rollers to prevent scalping. slowly and keep the throttle at •...

  • Page 20: Move Unit Manually

    Proper maintenance can prolong the life of unit. The Maintenance Schedule on page 19 shows the recommended service schedule. Your Gravely dealer can provide service and adjustments to keep your unit operating at Figure 14 peak efficiency. Contact an authorized engine manufacturer’s service center for engine...

  • Page 21: Maintenance Schedule

    SERVICE PARTS See your Gravely dealer to purchase service parts for your unit. Description Qty. Part No. Transaxle Drive Belt 07225600 Mower Belt – Left 44" 07200814 Mower Belt – Right 44" 07200805 Mower Belt – Left 48" 07200815 Mower Belt – Right 48"...

  • Page 22: Hour / Maintenance Meter

    Check function of the Safety Interlock System Hour meter measures engine runtime and by performing the tests below. Contact your cannot be reset. Gravely dealer for repair if any of the tests Maintenance Models fail. See Figure 17. Test Steering...

  • Page 23: Check Carbon Canister Filter

    Lubricate Seat WARNING: AVOID INJURY. See Figure 19. Explosive separation of tire 1. Tip seat forward. and rim parts is possible. 2. Apply grease to seat tracks through slots • DO NOT inflate tires above under seat plate. the recommended pressure. •...
  • Page 24 Remove Blades DO NOT sharpen to this pattern. 1. Stop engine, remove key and wait for moving parts to stop and for hot parts to cool. 2. Disconnect spark plug wires. See Figure 20. 3. Remove hardware securing blades to spindles and remove blades.

  • Page 25: Battery Service

    BATTERY SERVICE 4. Remove T bracket from upper slots in hold-down brackets. Retain for WARNING: Battery posts, reinstallation. terminals and related 5. Remove battery. accessories contain lead and Clean Battery lead compounds, chemicals known to the State of California 1. Clean terminals and battery cable ends to cause cancer and with a wire brush.

  • Page 26: Check Mower Belts

    23. oil levels. Jump Starting 3. Add hydraulic oil, if needed. Gravely does not recommend jump starting a. Remove expansion tank caps. your unit. Jump-starting can damage engine b. Fill expansion tanks with 15W-50 and system components. Refer to engine synthetic motor oil (Gravely p/n manual for details.
  • Page 27 10. Stop engine, lower unit to ground and N•m (65 lb-in). DO NOT overtighten. check oil level. Add oil if needed. 10. Add 15W-50 synthetic motor oil (Gravely 11. Repeat steps 1 – 10 until transaxles p/n 00057100) or equivalent until oil...

  • Page 28: Service & Adjustments

    SERVICE & ADJUSTMENTS WARNING: AVOID INJURY. Read and understand the Safety section before proceeding. ADJUST SEAT See Figure 26. 1. Pull seat adjustment lever up to unlock seat. 2. Move seat to desired position. 3. Release seat adjustment lever to lock seat in place.

  • Page 29: Adjust Unit To Drive Straight

    ADJUST UNIT TO DRIVE STRAIGHT ADJUST TRANSAXLES NOTICE: Reverse travel can only be Check For Excessive Creep adjusted by your Gravely dealer. Adjust Tire Pressure WARNING: AVOID INJURY. This adjustment requires 1. Place unit in service position. See operating the engine. Use Service Position on page 18.

  • Page 30: Electrical Service

    5. Start engine, move throttle lever to fast 2. Slowly turn transaxle control arm in the position and release parking brake. opposite direction of hub rotation until hub stops. See Figure 32. 6. Move steering levers forward and backward 5 or 6 times and then return levers to neutral position.
  • Page 31 Replace Relay NOTICE: Relays are interchangeable. Use only quality replacement parts. See Service Parts on page 19. 1. Remove defective relay. 2. Determine cause of relay failure and repair condition. 3. Install new relay. Figure 34 CAUTION: Use care when releasing idler spring tension.
  • Page 32 Remove Mower Drive Belt Install Mower Drive Belt 1. Remove PTO belt. See Remove PTO 1. Install mower drive belt around bottom Belt on page 29. groove of split pulley at deck center and around bottom groove of right spindle pulley.

  • Page 33: Replace Transaxle Drive Belt

    Figure 38 1. Spring 1. Idler Pulley 2. Anchor Bolt 2. Split Pulley 3. Transaxle Idler 3. Left Spindle Pulley 4. Transaxle Drive Belt 4. PTO Belt Figure 38 Figure 39 IMPORTANT: Make sure belts are correctly See Figure 40. aligned in pulleys.
  • Page 34 5. Remove transaxle drive belt from drive 4. Reinstall clutch stop bracket and secure system in the following order: with original hardware. See Figure 42. a. From right transaxle sheave. b. From left transaxle sheave. c. From clutch sheave. Install Transaxle Drive Belt See Figure 41.

  • Page 35: Adjust Anti-Scalp Rollers

    ADJUST ANTI-SCALP ROLLERS ADJUST PARKING BRAKE LEVER See Figure 44. The anti-scalp rollers are set at the factory for See Figure 45. typical mowing height, but can be adjusted for 1. Place unit in service position. See high or low cutting conditions. Make sure all Service Position on page 18.
  • Page 36 5. Slowly disconnect lift-assist springs from 7. Remove hardware retaining deck lift links spring peg on each side of deck. See to deck lift brackets. See Figure 48. Figure 46. Figure 48 1. Lift-Assist Spring 8. Remove deck from under unit. 2.

  • Page 37: Level And Pitch Mower Deck

    6. Level the deck. See Level and Pitch If the front measurement is not 3.2 mm (1/8") Mower Deck on page 35. lower than the rear measurements, adjust the blade pitch. See Adjust Blade Pitch on LEVEL AND PITCH MOWER page 36.
  • Page 38 Adjust Blade Pitch IMPORTANT: Side-to-side deck heights MUST remain level even after completing pitch adjustment. IMPORTANT: Pitching the front of the blades lower than the rear provides a balance between cut quality and the power needed to cut grass. Certain cutting conditions require the deck rear to be pitched lower than the front.

  • Page 39: Troubleshooting

    Connect spark plug wire(s) or replace spark plug(s) are faulty. spark plug(s). Refer to engine manual. Electrical system is faulty. Contact your Gravely dealer. Engine is faulty. Contact your AriensGravely dealer. Choke control knob is in on Move knob to off position.
  • Page 40 TROUBLESHOOTING Problem Probable Cause Correction Mower blades not level or mower Level and adjust pitch of mower deck. deck pitch is incorrect. See Level and Pitch Mower Deck on page 35. Mower blades are dull or faulty. Sharpen or replace mower blades. See Sharpen Blades on page 22.

  • Page 41: Storage

    2. Tighten all hardware to correct ACCESSORIES specifications. 3. Inspect unit for visible signs of wear or See your Gravely dealer for a complete list of damage. Repair as needed. compatible accessories and attachments for 4. Prepare fuel system for storage.

  • Page 42: Specifications

    3600 ± 75 Oil Capacity Refer to engine manual. Liquid or Air Cooled Transmission Type Hydrostatic Drive 15W-50 synthetic motor oil (Gravely p/n 00057100) or equivalent Hydraulic Oil Filter Drive Forward Maximum – km/h (mph) 12.9 (8) Reverse Maximum – km/h (mph) 6.4 (4)

  • Page 43: Specifications

    3600 ± 100 Oil Capacity Refer to engine manual. Liquid or Air Cooled Transmission Type Hydrostatic Drive 15W-50 synthetic motor oil (Gravely p/n 00057100) or equivalent Hydraulic Oil Filter Drive Forward Maximum – km/h (mph) 12.9 (8) Reverse Maximum – km/h (mph) 6.4 (4)

  • Page 44: Specifications

    3600 ± 100 Oil Capacity Refer to engine manual. Liquid or Air Cooled Transmission Type Hydrostatic Drive 15W-50 synthetic motor oil (Gravely p/n 00057100) or equivalent Hydraulic Oil Filter Drive Forward Maximum – km/h (mph) 12.9 (8) Reverse Maximum – km/h (mph) 6.4 (4)

  • Page 45: Warranty

    Limited Warranty Warr Ariens Company (Ariens) warrants to the original purchaser that Ariens, Gravely and Countax brand lawn and garden consumer products purchased on or after 9/1/2016 will be free from defects in material and workmanship for the time period noted in the chart below. Equipment put to personal use around a single household or residence is considered “Consumer Use”;...
  • Page 46 Exclusions – Items Not Covered by This Warranty • Parts that are not genuine Ariens, Gravely or Countax service parts are not covered by this warranty and may void the warranty. • Damages resulting from the installation or use of any part, accessory, or attachment which is not approved by the Ariens Company for use with product(s) identified herein are not covered by this war- ranty.
  • Page 48 655 West Ryan Street Brillion, WI 54110 gravelymower.com gravely.custhelp.com...

This manual is also suitable for:

Zt hd 44 carbZt hd 48 carbZt hd 52 carbZt hd 60 carbZt hd 52Zt hd 60 ... Show all

Table of Contents

Save PDF