CHICAGO 92474 Assembly And Operating Instructions Manual page 6

Brake bleeder & vacuum pump kit
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master cylinder is full of brake fluid. If not full, fill the master cylinder to capacity with
clean, new brake fluid. (Use only the kind of brake fluid recommended by the ve-
hicle manufacturer.)
6.
NOTE: Determine the proper brake bleeding sequence from your vehicle service
manual (i.e., right rear wheel, left rear wheel, right front wheel, left front wheel).
7.
Connect the 23" Vacuum Hose (4) to the remaining port on the Jar Lid (2a) and then
connect the other end to the Brake Bleeder Screw Adapter (9). (See Figure A.)
8.
Squeeze the Handle of the Brake Bleeder/Vacuum Pump (1) 10 to 15 times to
create a vacuum in its Reservoir Jar (3). NOTE: The Gauge on the Brake Bleeder/
Vacuum Pump should read at approximately 10 in/Hg. Do not exceed 20 in/Hg. A
greater vacuum could damage the vehicle's brake system. (See Figure A.)
9.
Once the Brake Bleeder/Vacuum Pump (1) is ready, check for leaks at the Reser-
voir Jar (3) and at all Vacuum Hose (4, 5) connections. If there is a leak, release the
vacuum in the Brake Bleeder/Vacuum Pump with the Vacuum Release Control.
CAUTION! NEVER remove the Jar Lid (2a) before releasing the vacuum
in the Brake Bleeder/Vacuum Pump.
Correct the leak, and once again create a vacuum in the Brake Bleeder/Vacuum
Pump to approximately 10 in/Hg. (See Figure A.)
10.
Open the vehicle's wheel caliper bleeder screw, and allow brake fluid to flow into the
Reservoir Jar (3). Then, retighten the wheel caliper bleeder screw after bleeding.
(See Figure A.)
11.
Release the vacuum in the Brake Bleeder/Vacuum Pump (1) with the Vacuum Re-
lease Control. Then, disconnect the Brake Bleeder Screw Adapter (9) from the
vehicle's wheel caliper bleeder screw. (See Figure A.)
12.
NOTE: When necessary, release the vacuum in the tool and empty its Reservoir
Jar (3) of old brake fluid. To assist in transport, this set includes a leak-resistant Lid
(2b) without hose connections. After the brake fluid is disposed of properly, resume
bleeding the brakes.
13.
Remove the cap from the vehicle's master cylinder, and refill the master cylinder
back to its normal capacity with clean, new brake fluid. Then, replace the cap on
the master cylinder.
14.
Proceed to the vehicle's next wheel, and perform the same steps as above.
SKU 92474
For technical questions, please call 1-800-444-3353.
PAGE 6

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