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8 Maintenance and Repair Work
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8.1 Maintenance
•
Clean out the inside of the sprinkler housing using an industrial wet/dry vacuum cleaner or similar
(as necessary).
•
Cut sprinkler housing free of any overgrowing grass. It is recommended this is completed prior to
spring startup.
•
Regularly check that the sprinkler is flush with the surface, especially in the case of natural grass.
8.2 Changing the Nozzles
It is recommended that the tools listed in Section 3.3 are used for changing the nozzles.
Use 10mm socket wrench (RT15745) for the driving nozzle and 1" (26mm) socket wrench
for the main nozzle.
8.3 Cleaning or Changing the Valve Insert
The sprinkler module needs to be taken out of the housing in order to carry out the repairs described
in section 8.4.
14
An unexpected jet of water can cause serious injury. Prior to any maintenance
or repair work ensure that the water supply is securely turned off.
•
Lift the cover and secure the sprinkler module
against snapping back (using a screwdriver or
other brace). Locate the cover clip (see photo)
and pull the clip to release. Remove cover.
•
Use a long shank screwdriver to unscrew
the four flange screws at the base of the riser
assembly. (Retain screws.)
Pull sprinkler module out of the housing.
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