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HIGH PRESSURE MOTOR VALVES REPAIR MANUAL
HPMV DISASSEMBLY
Remove the Retainer washer (Fig. 6.9)
Remove the Wiper from the Lower
Adjusting Screw (Fig. 6.10)
STEP 7
STUFFING BOX ASSEMBLY
Use an adjustable wrench to remove the
stuffing Box from the Body (Fig. 7.1)
Figure 6.9 Figure 6.10
Remove the Stuffing Box from the Body
(Fig. 7.2)
Figure 7.1 Figure 7.2
Clamp the two flat sides of the Stuffing
Box in vise and loosen seat with an
adjustable wrench. (Fig. 7.3)
Leave the Seat attached to cage. Insert a
screw driver through cage and unscrew
(Figure 7.4).
Note: Leaving the seat attached prevents
the cage from egg shaping.
Figure 7.3 Figure 7.4
Pull Stem and Cage out of Stuffing Box
(Fig. 7.5), if it doesn’t come out then flip
the Stuffing Box over and tap the Stem
with a hammer and a small punch (Fig.
7.6)
Figure 7.5 Figure 7.6
Remove Cage and Stem from the Stuffing
Box (Fig. 7.7)
Remove the Spring (Fig. 7.8)
Figure 7.7 Figure 7.8
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