CHART Cryo-Cyl80HP, Product Manual

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38
Maintenance Product Manual - Liquid Cylinders
5
Place bonnet (Item 5) over stem and, while holding
square end of stem to keep it from turning, thread
bonnet into valve body Hold body with one wrench
and, using another wrench (15/16 socket), tighten
bonnet to 1000 in/lbs torque
Caution! Hex section of bonnet (Item 5)
must be free of burrs or raised
edges and top of bonnet must
be absolutely flat to provide an
effective seal with bonnet gasket
washer (Item 7).
6
Install bonnet washer (Item 7) over stem (Item 6) on
bonnet
7
Place hand wheel (Item 1) over stem and on bonnet.
8
Install seal (Item 10) over stem into recess of hand
wheel
9
Install seal washer (Item 13) over seal at the bottom of
hand wheel recess as shown
10
With the flat side facing downward, place retainer
washer (Item 8) on top of seal.
11
Align the holes of these parts and place spring (Item 4)
over seal
12
Place spring retainer over assembly as shown, keeping
center hole aligned with parts installed in steps 6-11.
13
Install washer and screw (Items 3 & 14) over retainer.
Tighten firmly with a screwdriver, turning clockwise.
14
Turn hand wheel (Item 1) fully clockwise to close valve.
15
Pressurize system, check valve for proper operation and
check all seal points for leaks by inspecting thoroughly.