September 2017
Part No. 57.4400.9219
GTH-1256 AF
4-55
Section 4 • Repair Procedures
15-1
Braking circuit
How to bleed the braking
circuit
When servicing the service brake or the parking
brake, it is necessary to bleed the braking circuit
according to the following instructions. The front
axle features 4 bleed screws (for both service and
parking brakes), whereas the rear axle has 2 bleed
screws (for the service brake).
1 Reach the front axle. Steer the machine wheels
for more comfortable access to the service
area, if necessary.
Braking circuit
2 Remove the protective caps and loosen the 4
bleed screws “a” using an Allen wrench.
3 Reach the rear axle.
4 Remove the protective caps and loosen the 2
bleed screws “b” using an Allen wrench.
5 Depress and release the service brake pedal a
few times until oil with no air bubbles
fl
ows out
of the bleed screws.
6 Tighten all the 6 bleed screws and install the
protective caps.
a
b
a
