Sierra AX1 - User Manual

The Sierra LSV (Low Speed Vehicle) is an electric vehicle designed for various applications, including personal use, rentals, and fleets. It is available in multiple configurations, including two-passenger (AX1, AX2), four-passenger (AX4), and six-passenger (AX3) models, offering versatility for different user needs.

Function Description

The Sierra LSV is an electric vehicle primarily designed for low-speed operation. It features a key-switch or an optional Bluetooth Key Fob for activation. The vehicle is equipped with a Drive (D), Neutral (N), and Reverse (R) selector, which must be in Neutral before starting. An accelerator pedal controls speed, and a brake pedal provides stopping power. The vehicle also incorporates a motor braking system for downhill speed control and automatic park brake engagement when stopped or the key is off. Headlights, taillights, turn signals, and hazard lights are integrated for visibility and safety. A dash-mounted LCD display provides essential information such as speed, battery charge, mileage, and time, along with access to multimedia and settings.

Important Technical Specifications

Motor: All models are equipped with a 5kW AC brushless motor, delivering 6.8 horsepower. Brake System: Features 4-wheel hydraulic disc brakes with a motor brake for parking. Battery: Utilizes Lithium 105Ah batteries. The AX3 (6-passenger) model uses parallel Lithium 105Ah batteries (2x Lithium 105Ah), while other models use a single Lithium 105Ah battery. Charge Time: Charging times vary by model: 7-8 hours for AX1, AX2, and AX4; 9-10 hours for AX3. Dimensions:

• Length: AX1/AX2: 9'-8"; AX3: 12'-9"; AX4: 8'-10".
• Width: All models: 49.5".
• Max Height: AX1/AX2/AX3: 80.3"; AX4: 78.5".
• Ground Clearance: All models: 6.5".
• Wheelbase: AX1/AX2: 67.5"; AX3: 103.15"; AX4: 72.5". Weight (No Occupants): AX1: 1,036 lbs; AX2: 1,025 lbs; AX3: 1,334 lbs (with 2x Lithium 105Ah); AX4: 1,124 lbs. Payload: Maximum payload is 800 lbs (363 kg), including a maximum of two persons per seat bench. Speed: Forward speed ranges from 15 to 25 mph (32 to 40 km/h). A High/Low speed switch allows selection between a max speed of 25 mph (High) and 15 mph (Low). Tire Pressure: Recommended 18 to 20 psig (124 to 138 kPa). Charger: Enpower Ch 4200 Series Smart Charger 15A, 48V. Electrical System: Battery output 48V DC, through controller inverter to 48V AC. Transaxle: Double reduction helical gear with 12.3:1 direct drive axle. Suspension: Front and rear tapered mono-leaf springs with dual hydraulic shocks. Steering: Self-adjusting rack and pinion. Frame/Chassis: Available in Aluminum, Steel, or Hybrid (Steel & Aluminum) depending on the model. Body: PP materials for front and rear body.

Usage Features

• Start-up Procedure: Requires the DNR selector to be in Neutral, key turned to ON, and then selecting Drive (D) or Reverse (R).
• Safety Warnings: The vehicle includes various safety decals and an LCD display warning at start-up. It emphasizes reading the owner's manual, operating from the driver's side, keeping the body inside the vehicle, and using seat belts.
• Passenger Capacity: Designed for two persons per bench seat. The AX3 accommodates six passengers, and the AX4 accommodates four passengers.
• Driving Conditions: Users are advised to reduce speed in rough terrain, wet/icy roads, steep slopes, and sharp turns. It is not intended for highway use and should not be driven on slopes steeper than 18% grade.
• Motor Braking: Assists in controlling downhill speed and slows the vehicle to a stop when the accelerator is released.
• USB Port: A 5-volt 1/2.1 amp USB port is available for charging portable devices.
• LCD Display: Provides a speedometer, battery gauge, mileage, time, and icons for headlights and turn signals. It also offers access to multimedia (FM, Music, BT, Telephone, Movie, Language, Photo, Setting) and vehicle settings (Language, Auto Play, Tense, Unit, Car Info).
• Bluetooth Key Fob: An optional feature for keyless ON/OFF operation.
• Hazard Lights: Engaged by pressing a dedicated switch, flashing all four turn signals.
• Horn: Activated by a button on the steering column.
• Headlights: Controlled by a twist switch, with a pull function for high beams.

Maintenance Features

• Daily Safety Checklist: A pre-operation checklist is provided to ensure the vehicle is in proper working condition, covering items like the drive/reverse switch, brakes, steering, tire pressure, and charger cord.
• Periodic Service Schedule: Includes regular intervals for maintenance:
  • Daily: Owner checks battery posts, charger cord, and ensures proper securing of battery and charger.
  • Weekly: Owner charges battery after each daily use.
  • Monthly: Owner or trained technician checks battery connections.
  • Semiannual (every 50 hours): Trained technician checks brake shoes, lubricates the brake system, inspects brake cables, adjusts brake cable equalizer, checks electrical wiring and connections, and performs front wheel alignment and camber.
  • Annual (every 100 hours): Owner or trained technician manually checks all battery connections, inspects and replaces safety decals, checks battery performance, and inspects the pedal group for free movement.
• Battery Care:
  • Charging: Instructions for connecting the charger, ensuring proper ventilation, and avoiding charging frozen or damaged batteries. The charger has a status indicator with codes for heavy output, low power, charging progress, and full charge.
  • Storage: Recommendations for battery state of charge during storage (at least 60% for less than a month, 80% for up to 6 months) and temperature limits (-4°F to 131°F). The battery power switch should be OFF during storage.
  • Recycling: Lithium batteries should be taken to an approved recycle center.
• Cleaning: Hand-washable front and rear bodies using automotive cleaners. Avoid pressure washing or steam cleaning. Use non-abrasive wax products, but not on black plastic materials. Seats can be cleaned with a 10% liquid soap and warm water solution.
• Towing: Instructions for placing the vehicle in TOW mode, turning the key switch OFF, and disconnecting the battery before towing. Maximum towing speed is 5 mph (8 km/h).
• Transporting on a Trailer: Guidelines for securing the vehicle, removing the windshield and seat bottom, and using an approved trailer with adequate load rating.
• Error Codes: The manual provides a comprehensive list of LCD error codes with corresponding fault names, causes, and corrective actions for troubleshooting.
• Warranty: A limited warranty covers material, workmanship, and repair labor for specified components, with exclusions for improper maintenance, abuse, accidents, and unauthorized modifications.

The Sierra LSV is designed for ease of use and maintenance, with clear instructions and safety warnings to ensure optimal performance and longevity.