Electrolux WSF67251S Service Manual page 22

3.5 SUPPORT SPRAY ARM LOWER
It distributes water from diverter to upper and
lower spray arms.
3.6 TUBE FEED SPRAY ARM UPPER
It transfers water from support spray arm lower to
spray arm upper.
3.7 CHANNEL UPPER SPRAY ARM FEED
It transfers water from support spray arm lower to
spray arm upper.
There are two holes at the back of the spray arm
upper. These holes provide water to pass through
when the upper basket is in the upper or lower
positions
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