The Walter 55D600 Bio-Circle Maxi Parts Cleaner is a heated parts cleaning system designed for industrial and maintenance shop applications. It utilizes water-based alkaline cleaning compounds and is specifically engineered to function with genuine Walter Bio-Circle cleaning solutions, including CB100™ (L-155), CB100™ ALU (L-158), Bio-Circle™ L (L-78), Bio-Circle™ Ultra (L-148), and Bio-Circle™ Aero (L-161). The use of any other cleaning fluid will void the warranty.
Function Description:
The Bio-Circle Maxi Parts Cleaner is designed to efficiently clean various parts using a heated, filtered cleaning solution. It can be used for both hand cleaning with a flow-thru brush or flexible hose, and for soaking parts in its deep tank. The system incorporates bioremediation technology when used with Bio-Circle L, Ultra, or Aero solutions, where microbes continuously break down contaminants, requiring the unit to remain powered and heated for optimal performance. The unit features a thermostatic control for the heater, ensuring the cleaning solution maintains an optimal temperature for effective cleaning. A low liquid level device automatically shuts off the pump and heater if the fluid level drops below a set point, preventing damage and potential fire hazards. Electrical safety is enhanced by a GFI (Ground Fault Interrupter) that shuts down the entire unit in the event of an electrical short.
Important Technical Specifications:
- Operating Fluid Capacity: 12 to 30 Gallons (45 to 114 liters)
- Tank Capacity: 30 Gallons (114 liters)
- Overall Dimensions (L x W x H): 43" x 28-1/2" x 38" (110 x 72 x 97 cm)
- Working Space (L x W x D): 35" x 21-1/2" x 15" (89 x 55 x 38 cm)
- Soaking Depth: 9" Maximum (23 cm)
- Maximum Part Weight: 300 Pounds (Soak) / 150 Pounds (Shelf) (136 kg soak / 68 kg shelf)
- Pump Output: 300 GPH (1136 L/H)
- Heater: Thermostatically controlled 1,400 Watt heater (115V)
- Electrical Requirements: 115VAC, 1Ph, 60 Hz with a full-load amperage draw of 13 amps.
- Construction: Rugged thermoplastic corrosion-resistant construction.
- Warranty: One Year warranty on construction.
Usage Features:
The unit is shipped fully assembled and should be placed on a smooth, level surface in a well-ventilated area. Before operation, users must read all warnings and inspect the electrical control box, cord, and plug for damage.
- Filling: The unit requires approximately 30 gallons of cleaning solution, filling to the base of the sink. A plastic stopper is used in the center drain during filling.
- Operation: After plugging into a properly grounded circuit, the GFCI's TEST and RESET buttons should be used to ensure proper function. The "RESET" switch under the electrical box activates the unit, and a green "READY" light indicates adequate fluid level. The "PUMP" switch on the front of the electrical box controls fluid flow. A directional valve allows fluid to be directed through either the flow-thru brush, the flexible hose, or both.
- Soak Tank Functionality: To use as a soak tank, the plastic stopper is placed in the center drain. Parts are ideally placed in the sink before filling. The continuous flow of filtered and heated solution provides gentle agitation and refreshes the soaking fluid.
- Safety Features: The unit is equipped with a low liquid level device to prevent pump and heater burnout. A GFI provides protection against electrical shorts. A fusible link melts at 165°F (74°C) to automatically close the lid, preventing exposure to flammable vapors. The lid must lean forward when open to ensure automatic closure upon link melt. Operators are required to wear appropriate PPE (personal protective equipment) as detailed in the cleaning fluid's SDS.
- Bioremediation Specifics: For Bio-Circle L, Ultra, or Aero solutions, the unit must remain continuously powered and heated to maintain microbe activity. Bleach, disinfectants, biocides, or excessive oil can destroy the microbe colony and impair cleaning ability.
Maintenance Features:
Regular maintenance is crucial for the longevity and efficient operation of the Bio-Circle Maxi Parts Cleaner.
- Daily Maintenance: Remove the rubber strainer and dispose of solid waste. Check and top off the fluid level, ensuring it is within 2 inches of the sink's bottom, accounting for evaporation and drag-out.
- Monthly or As Needed Maintenance: Inspect the heating coil for contaminant accumulation. This requires moving the sink off the tank. Deposits can cause premature heater failure. Replace the undersink filter (55B042).
- Tank Access: Accessing the heater and liquid level float requires careful disassembly. This involves detaching hose clamps from the filter or 3-way valve, and potentially from the filter cartridge if the sink is fully removed. The sink is lifted straight up from the base.
- Cleaning: The cleaning fluid can be pumped or dumped out for tank cleaning, and should be saved or disposed of responsibly according to local regulations. The tank bottom should be cleaned of debris. The float switch should be checked for free movement, and the heater coil cleaned with a wire brush if deposits are found.
- Semi-Annual Maintenance: Walter recommends a complete system inspection and cleaning every six months, though frequency may vary based on usage.
- Filter Cartridge Replacement: The filter cartridge requires periodic replacement, indicated by a significant reduction in flexible hose flow. The process involves unscrewing the cartridge bowl, removing the old cartridge, cleaning the assembly, removing plastic packaging from the new cartridge (55B021), installing it, and re-attaching the bowl.
- Tank Cleaning: Follow the "Tank Access" instructions. Empty the tank completely, dispose of fluid as needed, tip the tank to clean out debris, and rinse if desired, ensuring compliance with local regulations. Reassemble the tank, control box, filter assembly, and sink, then refill according to initial instructions.
Troubleshooting:
A dedicated troubleshooting section helps diagnose common issues such as the pump not running, pump running but not pumping fluid, noisy pump operation, and no heat. Solutions typically involve checking power connections, circuit breakers, switches, clearing clogs, raising liquid levels, or replacing components like the pump, heater element, or switches.
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