Komatsu 830E-AC Shop Manual page 574

4. Remove locknut from plug and poppet assem-
bly using a spanner wrench and an adjustable
wrench. One for torque and one for counter-
torque to prevent the poppet assembly from
rotating. (Refer to Figure 3-13).
5. Remove spacer, Figure 3-14.
6. With palm of hand, push plug and poppet
assembly into the shell.
7. Insert hand into shell and remove O-ring,
washer and anti-extrusion ring from plug. Fold
anti-extrusion ring to enable removal. (Refer to
Figure 3-15).
8. Remove plug and poppet assembly from shell.
(Refer to Figure 3-16.)
FIGURE 3-13. LOCKNUT REMOVAL
FIGURE 3-14. SPACER REMOVAL
J3-20
FIGURE 3-15. ANTI-EXTRUSION RING
FIGURE 3-16. PLUG AND POPPET REMOVAL
9. With wrench on valve stem flats, remove the nut
from the valve stem.
10. Insert hand into shell fluid opening. Depress
bag and eliminate as much gas pressure as
possible.
11. Grasp heel of the bladder and withdraw from
shell. (Refer to Figure 3-17).
Brake Circuit Component Service
REMOVAL
FIGURE 3-17. BLADDER REMOVAL
J03034