SECTION 7
HIGH PRESSURE WATER
May 2003
p. 7-16
49831951
3. Inspect the poppet, spring, and guide for wear. Replace the spring
and guide if worn.
4. Apply a thin film of High Purity Goop to the sealing face of the gland
nut. Install the guide, spring, and poppet into the gland nut.
5. Apply High Purity Goop to the gland nut threads. Install the gland
nut into the sealing head. The gland nut should be hand tightened
until there is a gap of 5mm (0.20”) between the gland nut and sealing
head. No threads should show. If the gap exceeds 5mm (0.20”), then
one of the parts has slipped out of place, and they must be removed,
inspected and reassembled.
6. Using a crowfoot/torque wrench combination, torque the gland nut to
176 Nm (130 ft-lbs.).
7. Reconnect high pressure and low pressure piping, per Section 7.2.1.
Operate waterjet pump to verify HP fittings do not leak, and that the
HP water signal is normal (indicative of normal check valve
operation).
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