Brandt BF3424CW Manuel D'instructions page 16

Spray arms
It is necessary to clean the spray arms regularly for hard water chemicals will clog the
spray arm jets and bearings.
To clean the spray arms, follow the instructions below:
1
To remove the upper spray arm,
hold the nut in the center still and
rotate the spray arm counterclockwise
to remove it.
3 Wash the arms in soapy and warm
water and use a soft brush to clean
the jets. Replace them after rinsing
them thoroughly.
2
To remove the lower spray arm, pull
out the spray arm upward.
15