Monogram Systems
COMPONENT MAINTENANCE MANUAL
BASIC PN 15900
38-31-09
Page 305
Feb 23/04
C. Drain Valve Assembly, PN 4650-24 or 4650-31 (refer to IPL Figure 3.)
(1) Remove cotter pins (10 or –10A and 40), washers (15 or –15A and 35), clevis
pin (20), drilled pin (30) and pulley (5).
(2) Remove cable assembly (45) by removing nut (50) and washer (55 or –55A)
from the bottom of the valve.
WARNING: COVER ASSEMBLY (60) IS SPRING LOADED IN INSTALLED
CONDITION. EXERCISE CARE WHILE REMOVING TO AVOID
POSSIBLE INJURY.
(3) Remove cover assembly (60) from housing (-85 or 85A) by removing nuts (65)
and washers (70 or –70A).
(4) Remove boot (130) and doubler (135) from the stem assembly (120 or –120A)
by removing the screw (140) and spirolox (125) from the stem assembly (120
or –120A).
(5) Remove spirolox (80) from stem assembly (120 or –120A) by telescoping the
stem assembly into housing (-85 or 85A).
(6) Remove spring (75).
(7) Remove O-rings (90) from housing (-85 or 85A).
(8) Remove nut (95) to remove plate (100), seal (105), seal plug (115) and support
plate (110).
D. Timer Assembly, PN 11059-79 (refer to IPL Figure 4)
(1) Remove timer plate assembly (5) from timer enclosure (80) by removing screws
(10).
(2) Remove PC Board (15) by removing nuts (20), washers (25), lock washer (30),
terminal lug (35) and screws (40).
(3) If necessary, remove disconnects (45), connector (50), clamp (55), plug (60),
pins (65), plug (85), sockets (90) and grommet (70).
(4) If required, remove decal (75).