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Casita trailer

• 2016, 17', Liberty Deluxe
• VIN 1C9TB1718G1213577
• 2,210 lbs Dry
• Rear dinette that converts into a double bed, Wet bath, bunk beds
• The A/C has a heat strip for heat (doesn't have a propane furnace)
• 16 gal freshwater tank

WIP

Black water tank

Notes

• Tank Capacities

  • Black water: 15 gallons
  • Grey water: 25 gallons
• Don't use RV toilet paper
• Don't clean with bleach
• Always fill 3/4 full before dumping (add fresh water)
• Always keep the blackwater tank 3-10% full

Water treatment options

- thetford aqua chem
- Happy camper (odor free)
- "Geo Method" - Borax + Dawn dishsoap

Keep 2" of water above the valve

- Vapor barrier
- Keeps valve from drying out

TP: Walmart, Great Value, Everday Soft 2-ply, Septic safe

Use a lot water when flushing

dumping

- Dump at 2/3-3/4 full (use a flashlight to look into the tank)
- Use a clear elbow at the end of the hose
- Use slunky support		
- after initial flush, flush 2-3 more times
	- Close blacktank valve
	- Fill directly with ~5 gals water (10%?) 
	- Close blacktank valve
- Flush hose with greywater
- Fill to 10% and add treatment

Maintain valve with thetford toilet seal lubricant & conditioner

Grey water tank

• Pour dishsoap directly down the drain

  • Try shower drain instead of kitchen drain
• Flush the same way as black tank

Freshwater Tank Cleaning Procedure (Sanitize + Flush)

1. Drain the tank completely

   • Kitchen faucets - both hot and cold
   • bathroom faucets - both hot and cold
   • shower
   • outdoor sprayer
   • low-point drain
2. Mix ~1/2 cup bleach with 1–2 gallons of clean water
3. Add bleach solution to tank through the freshwater fill port using a funnel
4. Fill the tank fully with fresh water
5. Turn on pump & Run water through entire system until bleach is smelled

   • Kitchen faucets - both hot and cold
   • bathroom faucets - both hot and cold
   • shower
   • outdoor sprayer
6. Let sit overnight (8–12 hours)
7. Drain the tank completely again (see early step)
8. Refill with clean water
9. Turn on pump & flush entire system until bleach smell is gone

   • Kitchen faucets - both hot and cold
   • bathroom faucets - both hot and cold
   • shower
   • outdoor sprayer
10. Repeat "flush" step until all odor is removed (typically 2 full tanks)

Towing Tips

• Check wheel temps and tire pressure at gas stops
• Breakaway switch & Breakaway cable: triggers the trailer-mounted breakaway battery to send full 12V power to the brake magnets.
• "sway bar ball plate"

FBMP Listing

• Link
• Gary 727-946-0538
• 604 E. Center St, Tarpon springs
• Asking $17,300, sold for $17,000
• Listsing: 2016 Casita travel trailer, completely fiberglass 2400 pounds dry easy to tow Has everything air-conditioning. Stove. Sink. Shower and toilet Microwave Air conditioner has easy start for generator use Travel trailer is ready to go camping  sleeps 4

My Casita Inspection Checklist

Note: Some of these are invalid checks, especially having to do with power from battery as there's no invertor that could posibly power an AC and/or microwave off of a camper battery.

Pre Checks

• [ ] Confirm VIN on title matches trailer VIN
• [ ] Check all 3 tires' DOT date and condition (cracks, dry rot, tread wear)

LiFePO₄ Battery (% SOC - State of Charge)

• [ ] No swelling, cracks, or corrosion
• [ ] Voltage at rest: ~13.3–13.4V (100% SOC)
• [ ] 12V+ with water pump on (~6A)
• [ ] Label states

  • [ ] Built-in BMS
  • [ ] Brand/model
  • [ ] Capacity
• [ ] Lithium-compatible converter/charger

  • Charges at 14.4–14.6V on shore power
  • No float or equalize mode (AI check)
• [ ] Lithium-compatible DC-DC charger

  • Charges at 14.4–14.6V while driving
  • No float or equalize mode (AI check)
• [ ] fuse/breaker sizing for an LiFePO₄ system

  • within 7" of battery on positive cable
  • ANL or MIDI (marine-rated) sealed resettable breakers rated for 12V DC
  • 10–20% above expected load, but below wire ampacity
  • breakers mounted just outside the battery box or in it
  • Shore Power → Converter → Battery: max output + 5-10A
  • Battery → 12V Load Center: battery’s continuous discharge rating or load center max draw, whichever is lower
  • DC-DC charger: Max input/output + 5-10A
• [ ] (Optional) Battery disconnect switch

Trailer Lights & Battery Charging

• [ ] Check turn signals, brake lights, running lights, and reverse lights
• [ ] battery is charging at ~14.5V LiFePO₄, 13V+ SLA/AGM. Engine must be rev'd up!

Trailer Brakes

• [ ] Breakaway Test

  • [ ] Pull breakaway cable; compass should detect magnet pull at wheels
  • Note: Disconnect battery if working on switch for long as magnets can overheat
• [ ] Tug Test

  • Roll forward slowly, apply brake controller (no foot brake)

Test-Tow

• Get baseline temp of fridge & each hub before hitting the road
• [ ] No growling/humming from wheels (wheel bearings)
• [ ] No clunks over bumps (suspension bushings)
• [ ] Trailer tracks straight — no pull or wander
• [ ] No bouncing/sway after dips (axle/springs)
• [ ] Re-Measure temp of fridge & each hub after test drive
• [ ] No brake drum smell

Roof, Exterior & Fiberglass ( press gently)

• [ ] Roof seams (front/rear curve) – check for cracks/spiderwebbing
• [ ] A/C opening – check for flex, softness, bad sealant
• [ ] AC shroud — hairline cracks
• [ ] AC bolts are tight
• [ ] AC Wiring entry point sealed — silicone or dicor looks clean
• [ ] AC Soft start mounting
• [ ] Is soft start brand/model transferable?
• [ ] Roof fan vent – check for cracking, bubbling, seal failure
• [ ] Window perimeters – look for cracks, staining, discoloration
• [ ] Door frame & entry step – check for floor flex, softness
• [ ] Bottom edges near stabilizers/jacks – check for gelcoat cracks, impact damage
• [ ] Inside cabinets under windows – check for bubbling or odor
• [ ] Tail lights & marker lights – inspect for cracks or seal gaps
• [ ] Bathroom ceiling panel – check for swelling or softness
• [ ] Underside near water heater – check for delam or leak residue

Mechanical

• [ ] Inspect axle arms — horizontal = good, tilt = sag
• [ ] Inspect awning for operation & mildew
• [ ] check wheel bearing play (Jack up trailer)
• [x] Look under trailer for frame rust, cracks, weld issues

AC - Interior and operation

• [ ] Startup is smooth, not a loud “THUMP” => soft start is working
• [ ] Run unit on fan and cool modes — listen for weird hums or squeals
• [ ] No yellowing/browning around vents = no heat damage

Electrical

• [ ] Shore power (AC)

  • Disconnect battery (pwr = AC -> Convertor)
  • [ ] Test each outlet for 118–122V AC ("Baseline")
  • [ ] Load test

    • Stick probes into a trailer outlet
    • Run AC + microwave together
    • [ ] Confirm converter fan kicks on (located under a seat)
    • [ ] Confirm 113–120V at outlet
    • 108–112V marginal
    • <108V bad (stop test immediately)
• [ ] Battery Power (DC)

  • [ ] Interior lights Main cabin & bathroom – all run on 12V
  • [ ] Water pump Pressurizes fresh water for sinks & shower
  • [ ] Fridge control board Fridge uses 12V for brain (even when cooling via propane or 120V)
  • [ ] Furnace blower Runs on 12V even though heat comes from propane
  • [ ] Vent fan(s)
  • [ ] Tank level monitor Button panel that shows battery/fresh/gray/black levels
• [ ] Flip each AC breaker with something on the circuit turned on
• [ ] DC fuses

  • [ ] Confirm fuse amperage matches labeling
  • [ ] test continuity w/multimeter

Plumbing

• [ ] Water heater test — electric + propane mode if available
• [ ] Drain tanks: check for cracks, odor, working valves
• [ ] Fill fresh water tank and check:

  • [ ] pump
  • [ ] faucets
  • [ ] shower
  • [ ] toilet
• [ ] Check under sinks and fixtures for leaks
• [ ] Check city water inlet (hose hookup) for leaks under pressure
• [ ] Check the poop hose

Structure & Interior

• [ ] Walk around interior floor, check for soft spots, esp. by entry
• [ ] Look for fiberglass stress cracks near jack points, frame mounts
• [ ] Run fridge on propane — confirm cool down
• [ ] Test all interior/exterior lights, switches, fans
• [ ] Sit/press on beds and dinette — listen/feel for flex or damage
• [ ] Open/close all windows, test latches/cranks -- [x] Open/close all cabinets, drawers, and the main door

Hose test - Check for drips around

• [ ] windows
• [ ] roof
• [ ] AC
• [ ] light fixtures
• [ ] under beds
• [ ] ceiling corners
• [ ] inside cabinets