TM 10-4610-239-24
TM 08580B-24/3
REMOVAL. (Cont)
CAUTION
Improper connection of pressure tubes to backwash timer will damage the timer. Label
all tubes before disconnecting.
b. Unscrew 13 coupling nuts (3) and disconnect 11 tubes (4) from backwash timer (5).
c.
Remove two screws (6) from nutplate (15) and remove backwash timer (5).
d. Loosen two setscrews (9) and remove indicator knob (10) from extension adapter (11).
e. Remove four screws (12), locknut (13), and plate (14).
INSTALLATION.
a. Position backwash timer (5) on mounting bracket (7) and open cover (8).
b. Position nutplate (15) and align holes with holes in backwash timer (5) and mounting bracket (7).
c.
Install two screws (6).
d. Position plate (14) and install four screws (12) and locknut (13) on the reset switch.
e. Position indicator knob (10) on extension adapter(11) with setscrews (9) opposite pointer in line with flat surface
of extension adapter. Tighten two setscrews.
CAUTION
Improper connection of pressure tubes to backwash timer will damage timer. Check
attached tags before connecting tubes.
f.
Connect 11 tubes (4) with coupling nuts (3).
g. Connect control box power cable (1) to backwash timer electrical connector (2).
2-206
