Group 23, Brake System
SM 765, Nov ’06 Brake Bleeding • 23-4-1
Bleed brakes when:
• The brake pedal feels spongy.
• The brake master cylinder or wheel cylinders-or
lines between-have been leaking and/or have been
repaired or replaced.
• Troubleshooting otherwise indicates that air has
been introduced into the system.
Bleed the brakes as follows:
1. Park truck on level floor. Put direction control in neu-
tral. Lower forks to floor, tilt forward, and apply
parking brake.
2. Remove cap from the brake reservoir to be sure it is
full of fluid.
3. Attach a clear hose to a bleed screw on one of the
brake cylinders. Place the other end of the hose in a
jar containing Hydraulic fluid, RANDO HD32 or
NUTO H32
in accordance with CLARK specification MS-68
(CLARK #2776239).
4. Open the bleed screw.
5. Depress the brake pedal and watch fluid flow into the
jar. When the fluid appears to be free of bubbles,
tighten the bleed screw, then release the pedal.
6. Check the fluid in the brake reservoir. Refill as
required.
7. Release the parking brake and operate the brake
pedal. If the brake pedal does not come up or still
feels spongy, bleed the system again.
Section 4
Brake Bleeding
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