The Wynn's Coolant Exchange Machine, model EW76501, is a specialized device designed for comprehensive automotive cooling system maintenance. Its primary function is to remove and refill engine coolant, as well as to pressure test the cooling system. This process is carried out by extracting and refilling coolant through the upper radiator hose connection, all without the need for the vehicle's engine to be running.
Function Description:
The machine offers a clean, safe, and thorough method for radiator fluid exchange. It addresses the historical neglect of cooling system maintenance, often due to inconvenient or inefficient methods. With the Wynn's Coolant Exchange Machine, virtually all of the old coolant can be replaced in less than 8 minutes, ensuring a long and trouble-free life for the vehicle's cooling system. The device helps extend the life of cooling system components by keeping them clean and functioning efficiently. When used with corresponding Wynn's products, it facilitates the dissolving of harmful deposits and suspends them in old coolant for easy removal.
Important Technical Specifications:
- Dimensions: 43" H x 24" W x 28" D
- Weight: 95 lbs.
- New Fluid Tanks: 24 Qt. (6 gallons each)
- Waste Fluid Tank: 24 Qt. (6 gallons)
- Power: 12V DC Power (connects to the vehicle's battery)
Usage Features:
The machine incorporates several features designed for ease of use and efficiency:
- Reverse Flow Operation: Enables complete service with the engine off, ensuring a safer and more controlled exchange process.
- Ambient Temperature Disconnection: Allows disconnection to be performed with coolant at ambient temperature, reducing the risk of burns.
- Coolant System Pressure Relief Feature: Provides safe access to a hot cooling system by relieving pressure.
- Built-In Loop Mode: Facilitates the cleaning process by circulating cleaner through the system.
- Automatic Shut-Off: The machine automatically shuts off upon service completion, indicated by a red light and an audible tone.
- EVAC Feature: Designed for easy fluid removal from the overflow tank.
- Quick-Connect Adapter System: Simplifies the connection and disconnection of hoses to the vehicle.
- Portable Roll-Around Unit: Equipped with 5" caster wheels for easy transport, including locking caster wheels on the front to prevent unwanted movement.
- Control Panel: Centralized interface for operating the machine.
- Recessed Storage Area: Provides convenient storage for tools while using or storing the machine.
- Hose Hangers: Allows service hoses to be easily hung out of the way when not in use.
- Fluid Level Windows and Scales: Clearly display the levels of new and waste fluid in their respective tanks, indicating how many quarts of fluid are present.
- Service Panel: Offers easy access to internal parts for maintenance.
- Black Service Hose: Carries used fluid from the vehicle to the machine.
- Red Service Hose: Carries new fluid from the machine to the vehicle.
- Waste Fluid Nipple: Delivers fluid to the waste fluid tank.
- Filter Screen: Removes for easy cleaning, ensuring clean fluid transfer.
Operating Instructions Highlights:
- Preparation: Includes road testing the vehicle, checking for leaks and damaged hoses, and connecting battery cables.
- Depressurizing the Cooling System: Involves turning the MODE SELECTION dial to EVAC and applying vacuum to the overflow nipple to relieve pressure.
- EVAC Old Coolant: Attaching the RED service hose to the waste fluid nipple and the BLACK vacuum hose to the overflow nipple to remove old coolant.
- Performing Cooling System Exchange: Requires securing adapters with worm gear style clamps, attaching RED and BLACK service hoses to the appropriate adapters, pouring Wynn's "Cooling System Cleaner" into the radiator, topping off with water, and blocking overflow/remote reservoir hoses.
- Loop Mode: Setting the MODE SELECTION dial to LOOP, running the engine at a specified RPM with heat and blower on high to circulate cleaner, and allowing the engine to run for an additional 10 minutes for the cleaner to work.
- Service Mode: Setting the MODE SELECTION dial to SERVICE and the switch to ON. The machine's pump pressure holds the thermostat open, allowing new coolant to be pushed into the system while used coolant goes to the waste tank.
- Completion: The pump stops, a red light illuminates, and an audible tone sounds. The switch is then set to OFF, ball valves are closed, and hoses are disconnected.
- Return Vehicle to Normal Operation: Disconnecting adapters, reconnecting the radiator hose, adding any additional products, topping off the radiator and overflow reservoir, performing system air bleeding, and checking for leaks and overheating.
Maintenance Features:
To ensure the machine works properly, regular maintenance is recommended:
- Keep debris out of new fluid tanks: Prevents contamination of new coolant.
- Ensure filter screen is clean before each use: Maintains efficient fluid transfer and prevents blockages.
- Avoid spilling fluid on the control panel: Protects electronic components and ensures proper operation.
- Draining the Used Fluid Tank: Involves removing the tank, detaching the drain hose, pouring contents into an approved disposal container, and replacing the cap and hose before returning the tank to the machine.
- Periodic Cleaning: Wiping down the machine with a clean, soft, dry cloth.
The manual also includes a comprehensive list of replacement parts with their part numbers, descriptions, and quantities, facilitating easy ordering and maintenance.
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