Bosch SHP78CM5N how to clean the spray arms

Regularly, and when food is left on dishware. Limescale and debris in the dishwashing water may block the nozzles and bearings.

Steps

  1. Unscrew the upper spray arm and pull it down to remove it.
  2. Check that the lower spray arm is at the 6 o'clock position.
  3. Hold the lower spray arm in the center and lift it straight up to remove it.
  4. Check the outlet nozzles on the spray arms for blockages under running water and remove any foreign objects.
  5. Reinsert the lower spray arm by first setting it in the 6 o'clock position, then push down until it clicks.
  6. Insert the upper spray arm and screw it firmly in place.

Source: Cleaning and maintenance: Cleaning spray arms Source: Cleaning and maintenance: Cleaning spray arms, pp. 37-38

Used for

Other SHP78CM5N procedures

Sources

  1. Use and Care Manual, Dishwasher SHP78CM5N. BSH Home Appliances Corporation. Document 9001641455, revision C, 56 pages, en-US. media3.bsh-group.com (PDF). Listed on the manufacturer's support page. Retrieved 13 November 2026.

Page numbers are the numbers printed in the manual. Where this page and the manual differ, follow the manual.

Applies to
SHP78CM5N. United States and Canada.
Source
Use and Care Manual, Dishwasher SHP78CM5N, 9001641455 revision C
Last verified
Handbook
Bosch SHP78CM5N dishwasher in Dishwashers; all Bosch handbooks