This article explains how to bleed the air out of the brake circuit of a Komatsu forklift
Komatsu CSS Net ΕPC 05.2022
• Bleeding air from brake circuits
# This procedure should be carried out whenever work is
performed on the brake circuit to remove or replace a
component, or when air enters the circuit.
# The machine should be stopped, with the equipment to
the ground.
1 -Make sure the oil in the brake system oil tank (1) is at
max level.
2 -Remove the safety caps and apply a clear hose (3) to the bleed screws (2) to collect the oil.
3
-Press the brake pedal to the floor and simultaneously loosen the bleed
screw (2) of the brake unit under main tenance until the pedal reaches
the end of its travel.
4 -Hold the pedals at the end of their travel while simulta neously tightening the bleed screw (2).
5
-Release the brake pedal, wait a few seconds, and re peat the steps
described so far until there are no bubbles in the oil coming out of the
bleed screw.
6 -Repeat the same steps on the other brake units.
# Frequently check the oil level in the oil tank and fill
whenever the level is near minimum.
# At the end of the bleeding procedure, apply the safe
ty caps to the screws (2).
Komatsu LinkOne Construction Parts Catalogue 2017