Mityvac MVA660 Instructions

Instructions
Evac
Adapter

Precautions

• Always read carefully and understand instruc-
tions prior to using this equipment
• Wear safety glasses at all times
• Operate vehicle only in a well ventilated area,
and away from potential sources of flame or
ignition
• Prior to and during operation of the engine,
make sure all equipment components, body
parts, and personal clothing are clear of rotating
engine components
• Avoid burns by remaining cautious of engine
parts that may become hot when the engine is
running
• Never leave a vehicle unattended while per-
forming this procedure

Procedures

Bleeding Air from the Power Steering System

. Check the level of power steering fluid in the
1
reservoir. It should be between the MAX and
MIN level when the fluid is at normal ambient
temperature. Adjust the level as necessary.
2. Remove the reservoir cap and insert the Power
Steering Evac Adapter into the neck of the res-
ervoir until it is snug.
NOV - 2010
Power Steering Evac Adapter
Power Steering Reservoir
Figure 1
3. Connect the hand vacuum pump and reservoir
to the evac adapter as shown in figure 1.
NOTE: The fluid bottle is required to prevent
fluid from entering the pump.
4. Operate the vacuum pump to apply 20-25 in-
Hg (68-85 kPa) vacuum to the system. Main-
tain the vacuum for at least three minutes.
WARNING: To prevent damage to the pump,
do not run the engine while the system is under
vacuum.
5. Release the vacuum and remove the evac plug
from the reservoir
6. Top-off the fluid level as required
7. Repeat the process until the fluid level remains
stable
8. Start the engine and turn the wheel lock-to-lock
three to five times
WARNING: Do not hold the wheel at the stops.
9. Stop the engine and check the power steering
system for leaks.
10. Check the fluid in the reservoir for bubbles
and check the level. If bubbles are present or
the fluid level is low, repeat the procedure as
necessary.
Form 824864
Fluid Bottle
- MV101
Section
MVA660
Hand Vacuum Pump
- 1
Page