Ariens Gravely Pro-Turn 452 Lawn Mower Manual

The Ariens Gravely Pro-Turn 452 is a commercial-grade zero-turn riding lawn mower featuring a 452cc engine, dual hydrostatic transmissions, a 52-inch fabricated steel cutting deck, and a heavy-duty frame. Designed for professional landscapers and demanding residential use, it offers superior maneuverability, cutting performance, and durability. Below are key sections for safety, features, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Assembly & Setup 3. Controls & Operation 4. Specifications 5. Cutting Deck Operation 6. Maintenance Schedule 7. Engine Care 8. Storage & Winterization 9. Safety Information 10. Warranty & Support 11. Troubleshooting

Features at a Glance

Key components: 452cc Commercial Engine, Dual Hydrostatic Transmissions, 52-inch Fabricated Steel Deck, Zero-Turn Steering Levers, High-Back Suspension Seat, Electric PTO Clutch.

FeatureDescription
Engine452cc Ariens Commercial OHV Engine with cast iron sleeve
TransmissionDual Hydro-Gear EZT-2100 hydrostatic pumps
Cutting Deck52-inch 10-gauge fabricated steel, 3-blade system
Cutting Height1.5 to 5 inches, adjustable in 0.25-inch increments
Fuel Capacity4.5 gallons
Turning RadiusZero-turn capability
SeatHigh-back suspension seat with armrests
PTO EngagementElectric PTO clutch with dash switch
Drive SystemTwo independent lap bars for speed and direction control
FrameHeavy-duty welded steel construction

Assembly & Setup

Unpack and inspect all parts. Assembly requires basic tools.

  1. Install steering levers: Attach to control panel per instructions.
  2. Mount seat: Position on seat plate and secure with provided bolts.
  3. Attach cutting deck: Lower deck onto mounting points and secure pins.
  4. Connect battery: Attach cables (red positive, black negative).
  5. Add fluids: Fill engine with oil (check manual for type/capacity). Add fuel.

WARNING! Mower is heavy; use assistance or lifting equipment. Ensure all bolts are tightened to specified torque.

Controls & Operation

Familiarize yourself with all controls before starting.

  1. Pre-start checklist: Check oil, fuel, tire pressure, and deck engagement.
  2. Starting engine: Sit on seat, set parking brake, move levers to neutral, turn key.
  3. Driving: Release parking brake. Move levers forward to go forward, back to reverse.
  4. Steering: To turn, move one lever slower than the other or in opposite directions.
  5. Cutting engagement: Engage PTO switch only at full throttle.
  6. Shutdown: Disengage PTO, return levers to neutral, set parking brake, turn key off.

CAUTION! Never operate on slopes greater than 15 degrees. Keep hands and feet away from moving parts.

Specifications

Cutting Deck Operation

The 52-inch deck provides a wide, even cut. Adjust height via deck lift lever.

Deck Leveling: Park on level surface. Adjust deck height to desired setting. Measure blade tip height at all four corners; adjust linkage to level.

Blade Engagement: Always engage at full engine RPM. Do not engage on wet grass.

Cutting Patterns: Overlap passes by 2-3 inches for even cut. Alternate mowing direction weekly.

Maintenance Schedule

Regular maintenance ensures longevity and performance.

IntervalTask
Before each useCheck tire pressure, oil level, fuel, and for debris.
Every 8 hoursCheck deck belts for wear and tension.
Every 50 hoursChange engine oil and filter. Check air filter.
Every 100 hoursReplace spark plug. Check battery terminals.
Every 300 hoursChange hydraulic fluid and filter (transmissions).
SeasonallySharpen or replace blades. Grease fittings.

Engine Care

The 452cc engine requires proper care for optimal performance.

  1. Oil: Use SAE 10W-30 (above 32°F) or 5W-30 (below 32°F). Capacity: 1.5 quarts.
  2. Air Filter: Clean foam pre-cleaner every 25 hours. Replace paper element annually.
  3. Fuel: Use fresh, unleaded gasoline. Add fuel stabilizer for storage over 30 days.
  4. Cooling: Keep cooling fins and air intake clear of debris.

Tip: Always run engine at full throttle when mowing for proper cooling and cutting performance.

Storage & Winterization

Proper storage prevents damage during off-season.

  1. Clean: Thoroughly clean mower and deck of grass and debris.
  2. Fuel: Add fuel stabilizer and run engine for 5 minutes. Either drain tank or fill completely.
  3. Battery: Disconnect and store in a cool, dry place. Charge monthly.
  4. Fluids: Change oil and filter before storage.
  5. Cover: Store in a dry, covered area. Elevate deck off ground if possible.

CAUTION! Never store with fuel in carburetor without stabilizer; it can cause gumming.

Safety Information

Read and understand all safety labels and instructions.

DANGER! Keep hands and feet away from cutting deck and discharge chute at all times.

Warranty & Support

Ariens Company provides a limited warranty: 3 years commercial use, 5 years residential use. Proof of purchase required. Warranty covers defects in materials and workmanship. Does not cover normal wear, misuse, or lack of maintenance. For support, contact Ariens Customer Service at 1-920-756-2141 or visit www.ariens.com. Register your product online for warranty validation.

Troubleshooting

SymptomPossible CauseCorrective Action
Engine won't startDead battery, empty fuel, safety switchCheck battery charge; ensure seat is occupied and parking brake set; verify fuel level.
Uneven cutDeck not level, dull bladesLevel deck; sharpen or balance blades.
Loss of powerClogged air filter, old fuelClean/replace air filter; drain old fuel and refill.
Hydrostatic drive sluggishLow hydraulic fluid, air in systemCheck fluid level; purge air per manual.
Excessive vibrationDamaged or unbalanced blade, loose pulleyInspect and replace blade; tighten deck components.

Service: For complex issues, contact an authorized Ariens Gravely service dealer.

Support: 1-920-756-2141; www.ariens.com

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