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TM 5-5430-219-13
NOTE
The packing ring will remain in the bonnet until after the valve
stem, the disk riser, and the disk halves have been removed from
the bonnet.
5 Remove eight hex nuts (12), lockwashers (13), and hex-head capscrews
(14) holding bonnet (5) to valve body (15).
6 Lift bonnet (5), complete with valve stem (3), disk riser (9), and disk
halves (10 and 11) from valve body (15).
Take care to keep disk halves together when lifting them. Disk
halves must be grasped firmly when removing them from slots in
the valve body.
Dropping disk halves off disk riser can damage
sealing surfaces.
7 Remove
8 Remove
9 Remove
bonnet gasket (16).
disk riser (9) from valve stem (3). Rotate disk riser to left.
valve stem (3) from bottom side of bonnet (5). Rotate valve
stem to right.
NOTE
The packing should be removed only when it is to be replaced.
10 Using piece of hardwood, drive packing ring (8) through bottom of bonnet (5).
SERVICE
Cleaning solvent, P-D-680, used to clean parts, is potentially
dangerous to personnel and property. It produces toxic and
flammable fumes.
Use only in well-ventilated areas. Avoid
repeated and prolonged skin contact.
Do not use near an open
flame or excessive heat.
The flash point of solvent is 100°F to
138°F (38°C to 59°c).
1 Clean all parts with cleaning solvent and dry thoroughly.
2 Clean all gasket surfaces thoroughly with hot water and detergent.
3 I n s p e c t a l l m e c h a n i c a l p a r t s f o r c r a c k s , d e n t s , b r e a k s , o r w e a r.
Replace or repair if unserviceable.
3-22
WARNING
C A U T I O N
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