2-68. TIMER REPLACE (Models WPES-10, WPES-20 and WPES-30) -continued.
Install nut (17) and adapter (16) on timer (9).
If removed, position nut (15), seal ring (14) and seal (13) on cable assembly (12).
Feed wires of cable assembly (12) thru adapter (16) into timer (9) and provide about six inches of slack.
Screw nut (15) onto adapter (16).
Be sure to connect wires as tagged. If tags are lost or illegible, use
color code as follows to connect wires:
TERMINAL BOARD CONTACT
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
Connect wires (11) of electrical cable assembly (12) to terminal board (10) as marked, or use color code.
Position timer (9) on multimedia filter frame.
Position bracket (8) in timer (9) to align with mounting holes in timer and install two flat washers (7),
lockwashers (6), and screws (5).
Connect eight flexible tubes (1) to timer (9). Be sure tubes are connected as tagged during removal.
Connect cable assembly (12) to cable assembly (2).
Close cover (4) and fasten six latches (3).
Operate ROWPU (TM 10-4610-241-10). Check for proper operation in backwash mode and inspect for
2-266 Change 1