Product Name:
Ariens Lawn Tractor 13989 13990 13948 913002 913003 GT-GT12-GT14-GT16 S8 S10 S14 Gear S8 S12 S14 S16 Hydro Complete Workshop Service Repair Manual PDF Download
Model Numbers Covered:
13989, 13990, 13948, 913002, 913003
Series Covered:
GT Series (GT-12, GT-14, GT-16), S Series (S8, S10, S12, S14, S16)
Transmission Types Covered:
Gear, Hydrostatic (Hydro)
Segment:
Residential and light-duty commercial lawn tractors.
Target Audience:
Ariens lawn tractor owners, DIY mechanics, service technicians.
Value Proposition:
Enables users to perform their own repairs and maintenance, saving significant costs compared to professional service.
Accessibility:
Downloadable to PC, Mac, tablets, and smartphones for convenient access.
Comprehensiveness:
Covers all models and all aspects of service and repair, from basic maintenance to complex overhauls.
Engine System:
Diagnosis, repair, overhaul, lubrication, cooling, fuel, ignition (if applicable)
Transmission System:
Gearbox (Gear Drive) and Hydrostatic (Hydro) system service, repair, fluid changes, and troubleshooting.
Drivetrain System:
Axles, drive shafts, differential (if applicable), mower deck drive systems.
Steering System:
Steering linkages, tie rods, steering column, adjustment, and repair.
Braking System:
Brake caliper, master cylinder, brake lines, brake pedal adjustment, and service.
Electrical System:
Wiring diagrams, battery service, starter motor, alternator (if applicable), lighting systems, ignition switch, safety interlocks.
Chassis And Frame:
Frame inspection, repair, front axle pivot, component mounting.
Mower Deck:
Deck removal, blade replacement, spindle service, belt replacement, height adjustment.
Operator Controls:
Throttle control, PTO engagement, steering wheel, brake pedal, transmission levers, safety switch functionality.
Routine Maintenance:
Oil changes, filter replacements, greasing, tire pressure checks, air filter cleaning/replacement, spark plug replacement.
Troubleshooting:
Diagnostic guides, symptom analysis, common problem identification and solutions.
Repair Procedures:
Step-by-step instructions for component removal, replacement, adjustment, and overhaul.
Component Rebuilds:
Detailed instructions for rebuilding major components like engines, transmissions, and hydraulic systems (where applicable).
Adjustment Procedures:
Carburetor adjustment, brake adjustment, PTO clutch adjustment, steering linkage adjustment.
Safety Systems:
Service and troubleshooting of safety interlocks (seat switch, brake switch, PTO switch).
Depth:
Comprehensive (from basic maintenance to in-depth repairs and overhauls)
Instruction Style:
Step-by-step instructions with pictures.
Engine Type:
Gasoline (Specific engine manufacturers and models vary by tractor configuration; likely Kohler, Briggs & Stratton, or similar)
Displacement Range:
Typically 12 HP to 16 HP (based on model series designations GT-12, GT-14, GT-16)
Horsepower Range:
Approximately 12 HP to 16 HP (exact figures depend on specific engine variant)
Torque Specifications:
Not specified in product info, but would be detailed within the manual.
Fuel Type:
Unleaded Gasoline
Carburetor:
Adjustable carburetor (adjustment procedures covered in manual)
Oil Type Specification:
SAE 30 or 10W-30 (Specific recommendations depend on engine model and operating temperature, detailed in manual).
Oil Capacity:
Varies by engine, typically 1.5-2 quarts (detailed in manual).
Cooling System:
Air-cooled
Ignition System:
Electronic Ignition (details on timing, spark plug gap, and replacement)
Gear Transmission:
Available on some models (e.g., S8 Gear), typically a manual shift transmission.
Hydrostatic Transmission:
Available on many models (e.g., GT-12 Hydro, S16 Hydro), featuring infinite speed control.
Transmission Fluid Type:
Specific hydrostatic fluid required (e.g., Ariens Hydro Trans Fluid, SAE 20W-50, or equivalent - detailed in manual).
Transmission Service:
Fluid change intervals, filter replacement (if applicable), troubleshooting for drive system issues.
Safety Standards:
Compliance with relevant lawn tractor safety standards (e.g., ANSI B71.1) - manual will detail safety features and operation.
Operator Presence System:
Seat-activated safety switch to disengage PTO and/or engine when operator leaves the seat.
Parking Brake:
Hand lever or foot pedal parking brake system.
Pto Engagement Safety:
Interlock system to prevent PTO engagement under unsafe conditions.
Roll Over Protection:
Not typically standard on these models, but manual covers safe operating practices.
Guarding:
Guards on belts, PTO shaft, and mower deck for user protection.
Engine Oil Change:
Typically every 50 operating hours or annually, whichever comes first (detailed in manual).
Air Filter Cleaning:
Clean every 25 operating hours, replace annually or as needed (detailed in manual).
Spark Plug Replacement:
Annually or every 100 operating hours (detailed in manual).
Transmission Fluid Change:
Every 100-200 operating hours or every 2 years for hydrostatic transmissions (refer to specific manual chapter).
Greasing Points:
Regular lubrication of steering components, front axle pivot, deck spindles, and wheel bearings (locations and schedule in manual).
Engine Oil SAE:
SAE 30 or 10W-30 (verify based on specific engine and ambient temperature).
Hydrostatic Transmission Fluid:
Manufacturer-specified hydrostatic fluid or SAE 20W-50 for some models (check manual for exact specification).
Fuel Type:
Unleaded gasoline with an octane rating of 87 or higher.
Hydrostatic Transmission Performance:
Potential for loss of drive, overheating, or noisy operation if fluid levels are low or fluid is contaminated. Manual covers fluid checks and replacement.
Carburetor Issues:
Clogging due to stale fuel, leading to hard starting or rough running. Manual provides cleaning and adjustment procedures.
Deck Belt Wear:
Normal wear and tear, requiring periodic inspection and replacement. Manual details belt routing and replacement.
Safety Switch Malfunction:
Faulty seat or brake switches can prevent engine starting or PTO engagement. Manual guides troubleshooting these circuits.
Brand Reputation:
Ariens is a well-established American brand known for durable outdoor power equipment, particularly snow blowers and lawn tractors.
Series Development:
The GT and S series represent Ariens' lineup of robust riding lawn tractors designed for residential use, evolving with updated transmissions and engines over their production lifespan.
Production Period Estimate:
The models listed likely span a period from the late 1990s through the 2000s, as Ariens has introduced newer series since then.
