Ariens Model 915223 Service Manual

The Ariens Model 915223 is a professional-grade snow thrower designed for heavy-duty snow removal. This service manual provides detailed information for maintenance, troubleshooting, and repair procedures to ensure optimal performance and longevity. Below are key sections covering safety, specifications, maintenance schedules, troubleshooting, and parts identification.

1. Features at a Glance 2. Safety Information 3. Specifications 4. Maintenance Schedule 5. Engine Service 6. Drive System 7. Auger & Impeller 8. Electrical System 9. Troubleshooting 10. Parts List & Diagrams 11. Warranty & Support

Features at a Glance

Key components: Heavy-duty steel auger, Two-stage impeller system, Electric start, Power steering, Heated hand grips, LED headlights, Skid shoes with adjustable height.

FeatureDescription
Engine420cc Ariens AX Engine with electric start
Clearing Width28 inches
Clearing DepthUp to 21 inches per pass
Drive SystemDual-stage friction disc with 6 forward/2 reverse speeds
Chute ControlPower rotator with remote control
Auger MaterialSteel with rubber paddles
Impeller14-inch diameter steel
Tires20 x 4-10 pneumatic with chains
Weight298 lbs
Fuel Capacity1.5 gallons

Safety Information

Always follow safety procedures before servicing.

  1. Disconnect spark plug wire before performing any maintenance.
  2. Allow engine to cool completely before servicing.
  3. Use proper lifting equipment - unit is heavy.
  4. Wear appropriate personal protective equipment (gloves, eye protection).
  5. Work in a well-ventilated area when handling fuel.

WARNING! Failure to follow safety instructions can result in serious injury or death. Never operate with safety devices removed or bypassed.

Specifications

Maintenance Schedule

Regular maintenance ensures optimal performance.

IntervalService Required
Before each useCheck oil level, tire pressure, fuel level
First 5 hoursChange engine oil (break-in period)
Every 25 hoursChange engine oil, check spark plug
Every 50 hoursChange oil, replace spark plug, check belts
Every 100 hoursReplace fuel filter, clean carburetor
Season endDrain fuel or add stabilizer, lubricate cables
Season startCheck all systems, replace if necessary

Note: Service intervals may vary based on operating conditions.

Engine Service

Engine maintenance procedures for Ariens AX 420cc.

  1. Oil Change: Drain plug on bottom of engine. Refill with 20 oz SAE 5W-30.
  2. Spark Plug: Remove with 13/16" socket. Gap to 0.030".
  3. Air Filter: Remove cover, clean foam element with soapy water.
  4. Fuel System: Shut off fuel valve, drain carburetor bowl.
  5. Valve Clearance: Intake: 0.004-0.006", Exhaust: 0.007-0.009" (cold).

Torque Specifications: Spark plug: 18 ft-lbs, Drain plug: 15 ft-lbs.

Drive System

Service procedures for transmission and drive components.

  1. Drive Belt Replacement: Remove belt cover, release tension, install new belt.
  2. Friction Disc: Inspect for wear every 50 hours. Replace if worn more than 1/8".
  3. Wheel Adjustment: Adjust traction drive cable for proper engagement.
  4. Gear Case: Check oil level annually. Use SAE 80W-90 gear oil.

Belt Part Numbers: Drive belt: 21507900, Auger belt: 21507901.

Auger & Impeller

Maintenance of snow throwing components.

  1. Shear Pins: Replace with genuine Ariens pins (1/4" x 1-1/4").
  2. Auger Paddles: Inspect for wear. Replace if worn to less than 1/4" thickness.
  3. Impeller: Check for damage or imbalance. Replace if bent.
  4. Skid Shoes: Adjust height for surface conditions. Replace when worn 50%.
  5. Chute Mechanism: Lubricate pivot points with silicone spray.

WARNING! Always disconnect spark plug before working on auger system.

Electrical System

Troubleshooting and service of electrical components.

ComponentTest ProcedureSpecification
Starter MotorBench test with 12V supplyDraws 80-120 amps
Charging SystemMeasure AC voltage at stator28V AC at 3600 RPM
Key SwitchContinuity testSee wiring diagram
Safety SwitchesCheck for continuity when engaged0 ohms when closed
HeadlightsCheck voltage at socket12V DC when engine running

Fuse: 20 amp in-line fuse near battery.

Troubleshooting

SymptomPossible CauseCorrective Action
Engine won't startFuel, spark, compressionCheck fuel level, spark plug, choke setting
Loss of powerClogged fuel filter, dirty air filterReplace fuel filter, clean air filter
No driveDrive belt broken, friction disc wornReplace drive belt, inspect friction disc
Auger won't engageShear pins broken, belt looseReplace shear pins, adjust belt tension
Poor throwing distanceEngine RPM low, impeller wornAdjust governor, inspect impeller blades
Electric start not workingDead battery, bad starterCharge battery, test starter motor
Excessive vibrationAuger imbalance, loose boltsBalance auger, tighten all fasteners

Parts List & Diagrams

Key replacement parts for Model 915223.

Note: Always use genuine Ariens parts for optimal performance and warranty coverage.

Warranty & Support

Ariens Limited Warranty: 3 years residential use, 1 year commercial.

Warranty Registration: Register within 30 days of purchase at www.ariens.com

Technical Support: 1-800-678-5443 (Monday-Friday 8am-6pm CST)

Online Resources: Manuals, parts diagrams, and videos available at www.ariens.com

Authorized Service Centers: Locate nearest dealer at www.ariens.com/dealer-locator

Safety Recall Information: Check serial number at www.ariens.com/safety

CAUTION! Unauthorized repairs may void warranty. Keep receipts for parts and service.

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