The provided manual describes the XL15-4 Offroad Caravan by AUSRV, a hybrid caravan designed for off-road travel and comfortable living in remote areas.
Function Description
The XL15-4 is a hybrid caravan that combines the ruggedness of an off-road trailer with the amenities of a caravan. Its primary function is to provide a mobile, self-contained living space for extended off-road adventures. It features a robust chassis, independent suspension, and various electrical and gas systems to support off-grid living. The caravan includes a kitchen, internal and external ensuites, sleeping arrangements, and power generation capabilities through solar panels and battery systems.
Important Technical Specifications
- Dimensions (Closed): 2230mm W x 6700mm L x 2600mm H (Including Air Conditioner & TV Aerial)
- Towball Weight: 250kg
- Tare Weight: 2375kg
- ATM (Aggregate Trailer Mass): 3000kg
- Berth: 4
- Chassis: 120mm x 50mm x 3mm - Q345 Galvanised Steel RHS
- Drawbar: 150mm x 50mm x 4mm - Q345 Galvanised Steel RHS
- Body Construction: Combination of welded 75 x 25 RHS and 50 x 25 RHS and 25 x 25 square aluminium alloy + bonded composite panels
- Stoneguard: Front mounted Toolbox with forward facing integrated mudflap protection
- Suspension: Independent trailing arm with 4x shock absorbers and coil springs
- Wheels & Tyres: 265/75 R16 Goodride radial mud terrain + 2x Spare Wheels
- Coupling: Cruisemaster™ DO35 hitch
- Brakes: 4WD 12" electric with hand brake
- Gas Cylinders: 2 x 4.5kg/9kg adjustable gas cylinder holders
- Jerrycan Holder: Secure Mounting Points to hold 2 x 20L jerrycan holders
- Kitchen Construction: Stainless steel slide out 4 burner stove & sink. 12V electric water
- Water Tank: 120L + 120L fresh water & 80L grey water
- Water Delivery: 12V electric pump x 1
- Hot Water System: Truma UltraRapid Boiler 14L (gas + electric)
- Internal Ensuite: Thetford C400 Casette Toilet + Hot/Cold Shower
- External Ensuite: Hot/cold external shower includes van side mounted ensuite tent
- Awning: Electric
- Battery: Enerdrive (EPL-200BT-12V-G2) B-TEC 12V 200Ah G2 Lithium Battery
- Air Conditioner: Truma Aventa Comfort, 2400W cooling output and 1700W Heating Output (Reverse Cycle)
- AC Charger: Enerdrive (EN31240) ePOWER 12V 40A Battery Charger
- DC Charger: Enerdrive (EN3DC40+) 12V 40A DC2DC + Battery Charger
- Inverter: Enerdrive (EN1120S-X) ePOWER 2000W True Pure Sinewave, 12V W/ RCD & AC Auto Transfer
- Outlets: Multiple 12V, 240V x 3
- Jockey Wheel: ARK XO, 10" swing up and lockable
- Stabiliser Legs: 4 x heavy duty lockable and adjustable drop down
- Mattress: 200mm custom pillow top King size innerspring
- Sound: Head unit with internal & external speakers
- Solar: 3 x 100W solar panels included
- Annex: Included, Roof, Walls, and Floor
- Fridge Slide (L x W x H): 1000mm L x 540mm W x 500mm H
Usage Features
- Towing Compatibility: Requires a tow vehicle rated for the caravan's Gross Vehicle Weight (GVM) and a suitable hitch. The manual emphasizes checking tow vehicle manufacturer specifications for Aggregate Trailer Mass (ATM) and Gross Combination Mass (GCM).
- Loading: Proper weight distribution is crucial, with an optimum ball weight of 9-11% of the total caravan weight. Heavy items should be loaded over or close to the axle and as low as possible. Overhead cupboards are for lightweight items.
- Braking System: Fitted with electric brakes and a "Breakaway System" requiring a maintenance charge from the tow vehicle via an Anderson plug.
- Jacking Points: Purpose-built jacking points are provided for safe lifting.
- Electrical System: Features a 240V electrical system certified by a trade-qualified person, including an RCD safety device. It requires a 15amp lead for mains power connection. A main electrical panel monitors water levels, battery level, voltage, and current draw, with switches for various circuits (power, fridge, socket, lamp, pump).
- Charging: Can be charged via mains power using the Projecta Enerdrive EN31240 multistage charger, solar panels through the Enerdrive EN3DC40+ DC to DC controller, or the tow vehicle via an Anderson plug and Enerdrive EN3DC40+ DC to DC controller.
- Gas System: Approved and certified gas installation. Users must follow safety instructions, including checking for leaks with soapy water, closing cylinder valves when not in use or refueling, and ensuring proper ventilation.
- Hot Water System: Truma UltraRapid Boiler (gas + electric) requires external flue covers to be removed before operation. Users must fill the system with water before switching on and drain it if there is a risk of frost.
- Kitchen: Slide-out kitchen with a 4-burner stove and sink. Requires the annex to be fully erected when in use to ensure safety and proper operation.
- Awning: Electric awning that needs to be supported when extending. It should be lowered on one side during rain to prevent water pooling and retracted completely in strong winds. Sail track inserts are available for guy ropes.
- Stabiliser Legs: Heavy-duty lockable and adjustable drop-down legs for stabilizing the caravan when set up. Not designed for jacking the trailer.
- Jockey Wheel: ARK XO 10" swing-up and lockable jockey wheel.
- Off-Road Driving: Emphasizes lowering tyre pressures for sand and corrugated roads, reducing speed, and taking regular breaks to prevent driver fatigue and component overheating.
- Anti-Theft Devices: Recommendation to use theft protection devices for insurance benefits.
Maintenance Features
- Regular Servicing: The manual provides a detailed service record booklet and logbook for tracking kilometers and service records. Service intervals are outlined for 500km/3 months, 6 months/5,000km, 12 months/10,000km, 18 months/15,000km, 24 months/20,000km, 30 months/25,000km, 36 months/30,000km, 42 months/35,000km, 48 months/40,000km, 54 months/45,000km, 60 months/50,000km, 66 months/55,000km, 72 months/60,000km, 78 months/65,000km, and 84 months/70,000km.
- Hitch Maintenance: Check hitch bolts to 76Nm and lubricate with high-temp bearing grease.
- Handbrake: Inspect and adjust the handbrake cable tension.
- Brakes & Bearings: Inspect and adjust electric brakes, check lining thickness and drum wear. Remove, clean, and re-lubricate wheel bearings.
- Wheel Nuts: Inspect condition and torque to 125Nm (12mm studs) or 140Nm (14mm studs alloy rims) or 200Nm (14mm studs steel rims).
- Tyres: Inspect for abnormal wear, damage, and pressure. Check manufacturing date and sidewalls for perishing.
- Suspension: Lubricate and check bushes for excess movement. Torque bolts to 190Nm. Check retaining chain shackles.
- Seals & Latches: Regularly check and adjust locks and latches for 30-50% seal compression. Inspect rubber seals for damage and replace if necessary.
- Sealants: Regular checking (every 6 months) to avoid water ingress.
- Paint & Finishes: Regular washing with mild, non-abrasive detergents. Annual waxing with carnauba wax for protection against oxidation. Acrylic windows should be cleaned with a soft cloth.
- Galvanised Finishes: Maintain zinc coating with a zinc-rich coating.
- High Tensile Bolts & Fittings: Coat with a lanolin-based protectant (e.g., Lanotec).
- Stainless Steel: Clean with purpose-made cleaners or 10% white vinegar solution.
- Corrosion Protection: Thoroughly wash the product after use in seaside or salted road areas and coat unpainted metal surfaces with a suitable protectant.
- Roof Maintenance: Clean solar panels as necessary. Inspect sealants around solar panel mounts annually.
- Canopy Lifting Mechanism: Light lubrication with lanolin-based lubricant every 6 months. Protect the spring with lanolin-based lubricant every 12 months.
- Roof Skirt Elastic Cord: Regular inspection and replacement to ensure proper tension.
- Water System: De-scale the Truma hot water system every 6-12 months. Empty and flush grey water tanks regularly, using tank fresheners. Maintain fresh water tanks with products like Camec Tank Clean and use a potable water grade hose.
- Toilet Care: Use manufacturer-recommended water treatment and conditioning products for the waste holding tank and cassette tank.
- Moisture & Mould Protection: Ensure good ventilation, air and dry the caravan thoroughly, especially after wet conditions. Check under mattresses for condensation. Use mould deterrents like Glen20.
- Electrical Troubleshooting: Provides tables for troubleshooting 240V inverter and 12V system issues, including error codes and remedies.
- Plumbing Troubleshooting: Provides tables for troubleshooting hot water system and water pump issues.
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