Bleed Brake System - Toro Workman HDX Auto Service Manual

Bleed Brake System

IMPORTANT: Use DOT 3 brake fluid in the brake
system.
1. Remove hood to access brake master cylinder (see
Hood in this section). Make sure that brake fluid level is
correct.
2. Connect a suitable transparent hose to bleeder valve
on left rear wheel caliper and submerge other end of
hose in a clean glass container partially filled with clean
brake fluid.
3. Have a second person pump brake pedal several
times, then hold pedal down firmly.
4. With pedal firmly depressed, open bleeder valve of
left rear brake until pedal fades to floor, then close bleed-
er valve.
5. Repeat procedure until a continuous flow of brake
fluid, with no air bubbles, is released from bleeder valve.
Make sure fluid level is maintained in brake fluid res-
ervoir at all times.
6. Torque bleeder valve from 54 to 66 in−lb (6.2 to 7.4
N−m).
7. Complete steps 2 through 6 for right rear, left front
and then right front brake calipers.
8. Install hood (see Hood in this section).
CAUTION
After servicing the brakes, always check the
brakes in a wide open, level area that is free of
other persons and obstructions.
9. After bleeding of brakes is completed, test vehicle to
make sure brakes are operating correctly and brake
pedal is solid.
Chassis
Bleeder valve
Page 5 − 16
Figure 9
Workman HDX Auto