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4. Use a 5/32” Allen wrench, and a small adjustable wrench to remove all port plugs and
hoses from the body.
5. Install a Sherwood regulator support handle (p/n TL113) into one of the low-pressure ports.
Use the support handle and a 15” adjustable wrench or bench vise to loosen the yoke nut
from the body . See Photo #1.
6. Remove the yoke and yoke nut from the body.
7. Use the Sherwood regulator support handle and a 15” adjustable wrench or a bench vise to
remove the cap from the main body.
8. Remove the spring any shims and the piston assembly from the cap. Remove both
piston O-rings and discard them.
9. Remove the piston seat by pushing through the stem with the Sherwood piston seat
removal tool (p/n TL112) from the large end. The seat will then pop out. Discard the old seat.
6
Photo #1
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NOTE
: If a Sherwood DIN adapter (p/n SAA5200, or SAA5300) is installed in place of the more common yoke
assembly, remove it at this time. See Sherwood Technical Bulletin #104 for servicing procedures for the DIN
adapter.