Hydrotech 89DF Series, Owner'S Manual, Page: 33 / 52

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2.
1.
4X Screws
4.
2 X Motor Screws
3.
Wire connection to Circuit Board
Circuit
Board
1.
3.
2.
4.
Cover 4X Screws
Microswitch
Microswitch
Screws
Front Cover
Wire connections to Circuit Board
REPLACE MICROSWITCHES
Screen
1.
3.
5.
2.
4.
2X Screws
Gasket
Injector Cap
Injector Assembly
REPLACE MOTOR
1. Remove Screws from the back of the valve and pull the cover
2.
Remove all connections from the circuit board
3. Remove the two screws from the motor. Remove
the motor and watch for the pin under the motor.
4. Replace the motor, connections and cover
1. Remove Screws from the back of the valve and pull the cover
2. Remove all connections from the circuit board
3. Remove the two screws from the microswitch
4. Replace the microswitch, connections and cover
CLEAN INJECTOR ASSEMBLY
1. Remove the two screws from the injector cap
2.
Pull the injector cap and gasket
3. Pull the injector assembly and Screen
4.
Replace/Clean screen and injector assembly and
put it back in the valve in appropriate location as
shown
5. Put back the injector cap. Grease the injector
assembly orings and injector cap gasket. Care
should be taken to put all orings and gaskets in
place and grease them so that they dont pinch