4.6
MAIN BODY
See Section 1.8 for Bill of Materials.
a. Firstly, remove the Speed Control Assembly. Note the Control Space Seal below it.
b. Rest the valve on the rear face.
c. To gain access to the internal O-ring seals loosen the casing bolts around the valve.
d. Lift the casing. Note the main body O-ring seal and control space O-ring seal.
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