Monogram Systems
COMPONENT MAINTENANCE MANUAL
BASIC PN 15900
38-31-09
Page 709
Feb 23/04
C. Drain Valve Assembly, PN 4650-24 or 4650-31 (refer to IPL Figure 3)
(1) List of Materials
NOTE: Equivalent substitutes may be used for listed items
ITEM IDENTIFICATION SOURCE
Lubricant No. 33 Dow Corning
(2) Procedure
(a) Install plate support (110), seal plug (115), seal (105) and plate (100) on
valve stem assembly (120 or –120A), secure with nut (95).
(b) Install O-rings (90).
(c) Apply silicone grease (Dow Corning 33) to grooves in base of housing
(-85 or 85A.)
(d) Install boot (130) into valve stem assembly ( 120 or –120A) with screw
(140) and doubler (135).
(e) Install spirolox (125) in the grooves of valve stem assembly (120 or
–120A).
(f) Install housing (-85 or 85A) over the valve stem assembly (120 or –120A)
until valve assembly projects above the mounting plate of the housing
assembly. Install spirolox (80) in groove of valve stem assembly (120 or
–120A).
(g) Slide spring (75) into valve stem assembly (120 or –120A).
(h) Supporting the housing (-85 or –185A) by the mounting plate, compress
spring (75) by pushing cover (60) into position on four mounting studs of
the housing assembly.
(i) Install washers (70 or –70A) and nuts (65) to secure cover (60) to the
housing (-85 or –85A).
(j) Insert loose end of cable (45) through the top of pulley slot to bottom of
valve stem assembly (120 or –120A). Tighten cable (45) using nut (50)
and washer (55 or –55A).
(k) Install pulley (5), using clevis pin (20), washers (15 and 35), drilled pin
(30) and cotter pins (10 and 40).
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