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Pro-Master
Owner/Operator Manual
Manuel Du Propriétaire/Utilisateur
ENGLISH
FRANÇAIS
®
Models
990024 – PM 320 HD
990025 – PM 3084
04303000A 5/11
Printed in USA

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Table of Contents
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Star Dover
July 30, 2025

need deck belt installation diagram

Star Dover
July 30, 2025

where is diagram of deck belts

Summary of Contents for Gravely Pro-Master PM 320 HD

  • Page 1 Pro-Master ® Owner/Operator Manual Manuel Du Propriétaire/Utilisateur Models 990024 – PM 320 HD 990025 – PM 3084 ENGLISH 04303000A 5/11 Printed in USA FRANÇAIS...
  • 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, or safety of this unit. 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 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.
  • Page 5 SAFETY DECALS AND LOCATIONS ALWAYS replace missing or damaged Safety Decals. Refer to figure below for Safety Decal locations. DANGE R /PE LIGR O PINCH POINT POINTS DE PINCEMENT PUNTOS DE CONSTRICCIÓN 05231500 DA N G ER / PE LI G RO 10°...
  • Page 6 5. WARNING! • Understand location and function of all controls. AVOID SERIOUS INJURY OR 2. HOT SURFACES! DEATH FROM ROLL OVER: DO NOT touch parts which are Keep roll bar in the raised hot from operation. ALWAYS position and use seat belt. allow parts to cool.
  • Page 7 Check for weak spots on docks, ramps or ALWAYS keep hands and feet away from all floors. Avoid uneven work areas and rough rotating parts during operation. Rotating parts terrain. Stay alert for hidden hazards or can cut off body parts. traffic.
  • Page 8 Never carry passengers. Avoid starting or stopping on the slope. If tires lose traction, disengage the blades and DO NOT try to stabilize the machine by proceed slowly straight down the slope. putting your foot on the ground. If you cannot back up a slope or you feel Never direct discharge towards persons or uneasy on it, do not mow it.
  • Page 9 This product is equipped with an internal Explosive Gases from battery can cause combustion type engine. DO NOT use unit on death or serious injury. Poisonous battery or near any unimproved, forest-covered or fluid contains sulfuric acid and its contact with brush covered land unless exhaust system is skin, eyes or clothing can cause severe equipped with a spark arrester meeting...
  • Page 10: Assembly

    EMISSION CONTROL SYSTEM Use only attachments or accessories designed for your unit. This equipment and/or its engine may include Check all hardware at regular intervals, exhaust and evaporative emissions control system components required to meet U.S. especially blade attachment bolts. Keep all Environmental Protection Agency (EPA) hardware properly tightened.
  • Page 11 Install ROPS See Figure 3. 1. Slide the lower support tubes (item 1) into ROPS brackets on unit frame and secure with four 1/2 x 3" hex bolts (item 6), eight washers (item 7) and four 1/2" top flange locking nuts (item 4) (Figure 3).
  • Page 12: Controls And Features

    CONTROLS AND FEATURES Figure 4 1. Parking Brake Lever 11. Hydraulic Oil Cooler 2. Throttle Lever 12. Muffler 3. Choke Control 13. Hydraulic Pump 4. Oil Pressure Warning Light 14. Transmission Bypass Valve 5. Hourmeter 15. Hydraulic Reservoir Fill 6. Deck Lift Lever 16.
  • Page 13: Operation

    OPERATION Ignition Switch WARNING: AVOID INJURY. Read The ignition switch is and understand entire Safety operated by a removable section before proceeding. key. To start: 1. Insert the key. CONTROLS AND FEATURES 2. Turn the switch clockwise from the OFF (1) position to See (Figure 4) on page 12 for all Controls OF1210 the START (3) position.
  • Page 14 Deck Lift Lever PTO Switch Push lever forward to The power take-off switch is FLOAT (1) position for used to engage and disengage mowing. the attachment. Place lever in HOLD Lift switch to engage (1) (2) position to hold attachment. mower in current Push switch down to position.
  • Page 15 Seat Adjustment Lever SEAT BELT USAGE Pull lever out and slide seat to desired With the ROPS installed, a seat belt must be position. Release lever to lock seat in installed, used, and correctly adjusted at all position. times. Replace damaged seat belts immediately.
  • Page 16 NOTE: All gasoline is not the same. If the 1. Take foot off direction control pedal to engine experiences starting or performance place unit in neutral. problems after using a new gasoline, switch 2. Place throttle lever in middle position. to a different fuel provider or fuel brand.
  • Page 17: Maintenance

    MAINTENANCE Gravely Dealers will provide any service or MAINTENANCE SCHEDULE adjustments which may be required to keep Intervals Service Performed your unit operating at peak efficiency. Should engine service be required, contact an Before storage: Check Fasteners Gravely dealer or an authorized engine Check and Clean Battery manufacturer's service center.
  • Page 18 CHECK AND CLEAN BATTERY 1. Stop engine. 2. Place deck lift lever in FLOAT position. 3. Remove any dirt that may be around the WARNING: Battery posts, cap on the tank. terminals and related accessories 4. Remove cap and dipstick. contain lead and lead compounds, 5.
  • Page 19 SERVICE AIR FILTER OUTER CHANGE OIL AND FILTER ELEMENT See engine manual for recommendations and detailed instructions. Service air filter outer element every 25 hours. Service more often when operating in CLEAN COOLING AREAS dirty or dusty conditions. See engine manual for detailed instructions.
  • Page 20: Service And Adjustments

    SERVICE AND ADJUSTMENTS ADJUSTING NEUTRAL WARNING: AVOID INJURY. Read (Figure 8) and understand entire Safety Adjust neutral on hydraulic pump if tractor section before proceeding. "creeps" when direction control pedal is not depressed. REPLACING THE DRIVE BELT WARNING: The following (Figure 7) adjustment requires engine 1.
  • Page 21 2. Remove bolt and nut connecting rod end to direction control pedal. 3. Turn rod end farther onto rod to angle pedal back. Turn rod end farther off of rod to angle pedal forward. 4. Check that pedal is in a comfortable position.
  • Page 22 STEERING CHAIN ADJUSTMENT WARNING: FROZEN BATTERIES 1. Loosen idler nut. CAN EXPLODE and result in death 2. Tighten adjustment bolt until the chain is or serious injury. taut. DO NOT charge a frozen battery. 3. Turn the handlebar through its full range Let the battery thaw before of motion to check for binding in the steering chain.
  • Page 23 CHANGING HYDRAULIC OIL 7. Add 15W-50 synthetic oil as needed to hydraulic reservoir. Do not overfill. Capacity: 5 qt. (4.73 L) IMPORTANT: Ensure hydraulic oil is at proper level before starting engine. Use Mobil WARNING: HYDRAULIC FLUID 1 15W50 Extended Performance Synthetic UNDER PRESSURE can Oil.
  • Page 24: Storage

    ACCESSORIES Remove weight from wheels by putting blocks under frame or axle. See your authorized Gravely Dealer to add Clean and charge the battery. Charge battery these optional accessories. every three to four weeks when storing unit. Part No.
  • Page 25: Troubleshooting

    TROUBLESHOOTING PROBLEM PROBABLE CAUSE CORRECTION No sound 1. PTO engaged. 1. Disengage PTO. 2. Directional control pedal 2. Place direction control pedal in when ignition depressed. neutral. key placed in 3. Loose battery cables. 3. Check connections. Tighten start position battery cable clamps.
  • Page 26: Specifications

    SPECIFICATIONS Model Number 990024 990025 Model PM 320 HD PM 3084 Engine Engine Kawasaki Engine Model Number FX751V Displacement - in. (cc) 58.09 (952) Governed RPM (May be different from 3600 maximum RPM) Liquid or Air Cooled Speed Forward Maximum – mph (km/h) 9.5 (15.2) Reverse Maximum –...
  • Page 27: Warranty

    Commercial Mowing Equipment Limited Warranty Ariens Company (Ariens) warrants to the original purchaser that Ariens, Gravely and Countax brand products purchased on or after 1/1/2011 and designated or labeled commercial products by Ariens Company 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 28 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 warranty.
  • Page 32 GRAVELY 655 West Ryan Street Brillion, WI 54110 920-756-4688 Fax 920-756-2407 www.gravely.com WARNING The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm.

This manual is also suitable for:

Pro-master pm 3084990024990025

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