Mityvac MV6400 Fluid Evacuator User Manual
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Principal of operation
This equipment is designed and intended for use as a means to dispense fluid. It utilizes a manual pressure pump to build pressure in the reservoir. The pressure forces fluid to dispense out of the reservoir through a fluid pickup tube. The output of the fluid pickup tube is connected to a quick-change coupler, to which a variety of accessories can be attached to control or direct the flow of fluid according to the intended application. The equipment should never be operated above a safe level of pressure depending on the application. A gauge is installed to indicate the pressure in the reservoir and should be observed regularly to ensure the pressure remains at or below what is recommended for the application.
Description
This equipment is designed to dispense and evacuate fluid using compressed air to build pressure or vacuum in the reservoir. Through a fluid pickup tube connected to a quick-change coupler, air pressure forces fluid to dispense out of the reservoir, or air vacuum pulls fluid into the reservoir. Accessories can be added to control or direct fluid flow in different applications. Operate equipment at an input pressure of 90-120 psi (6-8 bar).
Pressure brake bleeding
- Park the vehicle on a level surface, set the parking brake, and turn off the engine.
- Locate the brake or clutch master cylinder and remove the cap.
- Extract as much used hydraulic fluid from the master cylinder reservoir as possible.
- Refill with new fluid.
- Select the appropriate master cylinder pressure bleed adapter and install it securely onto the master cylinder reservoir.
- Before adding fluid to the reservoir (12), connect the fluid dispensing hose (14) to the quick-connect coupler (4) on the reservoir.
- Connect the opposite end of the fluid dispensing hose (14) to the male quick-connect coupler on the master cylinder pressure bleed adapter
- Ensure the shut-off valve on the fluid dispensing hose (14) is closed.
- Connect the air supply to the swivel coupler (7).
- Pull the top lever (6) back to build pressure in the reservoir.
- Observe the pressure gauge (9) and adjust the inlet air supply to achieve 10 psi (0.7 bar) in the reservoir. If the inlet air supply cannot be adjusted, push the top lever (6) to the center position when reservoir pressure reaches 10 psi (0.7 bar).
Refilling sealed automatic transmissions
1 Unscrew the lid w/ pump from the reservoir, and fill to desired level with new vehicle manufacturer’s recommended transmission fluid.
CAUTION
Lifetime “sealed” transmissions require the use of special manufacturer recommended fluids. Use of any other fluids may cause severe damage to the transmission and void the manufacturer’s warranty.
NOTE There are two scales of volume on the reservoir. One scale indicates the volume when the lid w/ pump is removed and one when the lid w/ pump is installed. Be sure to note the appropriate scale.
CAUTION If fluid is added above the MAX FILL line, the reservoir will overflow when the lid w/ pump is installed.
NOTE
Check the vehicle’s service manual to determine the proper method to check the transmission fluid level. Failure to follow the manufacturer’s recommended procedure could result in under- or over-filling the transmission, causing severe transmission damage. The pressure relief valve is designed to open and maintain maximum pressure between 17 and 23 psi (1.2 and 1.6 bar).
Continual operation of the pump is not required to maintain fluid flow. Fluid will continue to flow as long as there is pressure in the reservoir and the shutoff valve is open. Do not exceed 25 psi (1.7 bar) pressure in the reservoir.
The relief valve should prevent this, but if it fails and the pressure exceeds 25 psi, immediately discontinue use and send the unit to an authorized service center for repair or replacement.
Warranty
The instructions do not contain any information on the warranty. This can be found in the General Conditions of Sales, available at: www.lincolnindustrial.com/technicalservice or www.skf.com/ lubrication. skf.com | mityvac.com ® SKF and MityVac are registered trademarks of the SKF Group.
© SKF Group 2021 The contents of this publication are the copyright of the publisher and may not be reproduced (even extracts) unless prior written permission is granted. Every care has been taken to ensure the accuracy of the information contained in this publication but no liability can be accepted for any loss or damage whether direct, indirect or consequential arising out of the use of the information contained herein. January 2021 ·
Form 801193 Version 2
Caution
Do not allow fluids to contact skin or painted surfaces. Fluids are hazardous and corrosive to skin and painted surfaces. Failure to comply could result in injury or damage to equipment.
