Valve Reassembly
1. Apply Moly-Lithium grease liberally to the outside
diameter (OD) threads of the upper stem.
•WARNING
Before removing the valve from service,
to avoid personal injury, you must:
• Depressurize the system.
• Cycle the valve.
• Purge system to remove any residual
system media left in valve.
NOTICE
Do not scratch any sealing surfaces while
following these instructions. Scratches
on the sealing surfaces may affect valve
performance.
Disassembly
1. Remove the valve from the system.
2. Place the valve in the vise.
3. Loosen the socket head cap screw and remove
the handle assembly.
3
Instructions
5. Remove the stem assembly.
6. Discard the stem assembly.
7. Clean the valve body and bonnet.
2. Assemble the bonnet onto the upper stem until
bottomed.
NOTICE
To prevent damage to the sealing area during
reassembly, thread the stem to the fully open
position prior to insertion into the valve body.
3. Apply the supplied MS-LTK-WL8-1 lubricant lightly
to the packing and packing rings of the exposed
lower stem.
Bonnet
Stem assembly
Upper stem
Liberal
Moly-Lithium grease
Bonnet
Upper stem
Socket head cap screw
Handle
assembly
4. Loosen and remove the bonnet.
Bonnet Light
MS-LTK-WL8-1 lubricant
Lower stem
Stem packing
