TM 10-4610-215-24
TM 08580A-24/2
(2) Tighten setscrew (16).
(3) Install washer (32) and screw (33) through cams.
(4) Install upper fill cam (23) and lower fill cam (24) on timer mechanism (17).
(5) Tighten two setscrews (16).
(6) Install timer motor assembly (25) with two screws (27) on timer mechanism assembly (17).
(7) Install timer mechanism assembly (20), timer mechanism plunger (21 ), four locknuts (19), and four
screws (26) in cover (34).
(8) Install terminal block (15) with two washers (29), two screws (18), and two nuts (22) in cover (34).
(9) Install switch base plate assembly (3) on timer mechanism assembly (17) and cover (34) using two
screws (14) and two nuts (13).
(10) Install five insulators (9) and four switches (8) on two screws (12) on switch base plate assembly (3)
using two washers (11 ) and two nuts (10).
(11 ) Install two insulators (4) one switch (5), two washers (6), and two screws (7) on switch base plate
assembly (3).
(12) Install spring (35).
(13) Reconnect electrical wires in accordance with schematic (figure 3-19)
(14) Install timer mechanism assembly (17) in timer case (l).
j. Test and Adjustment
WARNING
ELECTRICAL HIGH VOLTAGE
Electrical high voltage can cause serious injury or death. Some
tests performed in testing require power to be connected. Always
take proper measures to ensure personal safety.
(1) Secure backwash timer to test bench.
(2) Connect pipe fittings to test fixture in accordance with proper inlet/outlet functions.
(3) Connect timer wiring in correct phase to bench test leads of proper voltage.
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