2-68.1 TIMER REPLACE (H-9518-1, H-9518-2, AND H-9518-3) -continued.
Install adapter ( 13) with cable (3) into new timer and secure with lock nut (12).
Reconnect cable (3) to terminal strip (11) by following the tags.
Be sure to connect wires as tagged. If tags are lost or illegible, use color code as
follows to connect wires:
To connect wires to terminal board, loosen tiedown screw on terminal board, insert
bare part of wire into opening on terminal board. Tighten tiedown screw. If wire
ends are not stripped, strip wires, removing about 1/8 inch of insulation from end of
Position timer (6) on multimedia filter and install four screws (7), four flatwashers (8), four
lockwashers (9) and four nuts (10).
Close the cover on the timer (6) and tighten screws (5).
Connect electrical cable (3) to supply cable (4).
Connect control tubes (1) into the connectors (2) according to the tags. To do this, insert
the control tube into the fitting, past the collar. When inserted all the way, tug gently on
the tubes to see if it is secure.
Operate the ROWPU (TM 10-4610-241-10). Check for proper operation in backwash
mode and inspect for leaks.
2-268.2 Change 1