7-77
• Slip off the motor carbon brushes (see
fig. 7.4.6-31)
7.4.6-31 Carbon brush re-
moval
• Replace the worn out carbon
brushes with new ones.
• Proceed at reverse to restore the
parts.
7.4.7 Drain Hose
Checks
The Drain Hose has to be perfectly fitted
in the recovery tank fittings. The Drain
Cap (see fig. 7.4.7-32) has to seal perfectly
the hose to avoid any pressure drop or
dirty water leakage. The Drain Flexible
Manifold (see fig. ??) has to be flexible and
has to have no cracks to avoid any break
down during the bending to drain the
machine.
7.4.7-32 Drain Hose