Hypertherm - Cut with Confidence

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  1. Loosen high-pressure gland from swivel nut with a 5/8" and 11/16" wrench.
    • Loosen high-pressure gland from swivel nut with a 5/8" and 11/16" wrench.

    • Unthread the high-pressure gland from the swivel nut.

    • Loosen high-pressure gland from base of swivel housing with a 1-1/8" and 5/8" wrench.

  2. Unthread the high-pressure gland from the base of the swivel housing.
    • Unthread the high-pressure gland from the base of the swivel housing.

    • Loosen the bearing half of the swivel housing from the seal half of housing with two 1-1/8" wrenches.

    • Unthread the bearing half of the swivel housing from the seal half of the swivel housing.

    • Loosen the swivel nut from the swivel shaft with a 3/4" and 11/16" wrench.

    • Unthread the swivel nut from the swivel shaft.

    • Remove the thrust washers and the thrust bearing from the swivel shaft.

    • Clean the swivel of all Blue Goop and lithium grease with isopropyl alcohol or a similar cleaning agent.

    • Clean the swivel nut of all Blue Goop with isopropyl alcohol or a similar cleaning agent.

    • Remove the wiper from the top of the bearing half of the swivel housing with a pick.

    • Clean all Blue Goop from the bearing half of the swivel housing with isopropyl alcohol or a similar cleaning agent.

    • Remove the O-ring from the outside of the seal half of the swivel housing.

    • Remove the back-up bearing from the seal half of the swivel housing.

      • If the back-up sticks in the housing, thread included 4-40 x 1.25 SHCS in to the back-up to remove from the housing.

    • Remove the high-pressure seal from the inside of the seal half of the swivel housing with a pick.

      • Be sure to not scratch the ID of the housing with a pick.

    • Clean the seal half of the swivel housing of all Blue Goop and any extra lubricants with isopropyl alcohol or a similar cleaning agent.

    • Apply high vacuum grease to the high-pressure seal.

    • Put high-pressure seal, with the O-ring first, into the bore of the seal half of the swivel housing using a dowel.

    • Place the back-up bearing into the seal half of the swivel housing with the small stepped end down.

    • Apply a layer of O-ring lube to the O-ring.

    • Place the O-ring onto the seal half of the swivel housing in the groove.

    • Apply lithium grease to the base of the swivel shaft.

    • Place the first thrust washer onto the swivel shaft.

    • Apply lithium grease to the top of the thrust washer.

    • Place the thrust bearing onto the swivel shaft.

    • Apply lithium grease to the top of the thrust bearing.

    • Put the second thrust washer onto the swivel shaft.

    • Apply lithium grease to the top of the thrust washer.

    • Put the wiper into the top of the bearing half of the swivel housing with the tapered end down.

    • Apply Blue Goop to threads of swivel shaft

    • Put swivel shaft ,threads first, through bottom (thread side) of bearing half of swivel housing

    • Thread swivel nut onto swivel shaft

    • Tighten swivel nut to swivel shaft

    • Apply Blue Goop to threads of bearing half of swivel housing

    • Apply high vacuum grease to stem of swivel shaft

    • Thread bearing half of swivel housing into seal half of swivel housing.

    • Tighten bearing half of swivel housing to seal half of swivel housing with two 1-1/8" wrenches.

    • Clean high-pressure gland of all Blue Goop.

    • Apply Blue Goop to threads of high-pressure gland.

    • Thread high-pressure gland into seal half of swivel housing.

    • Tighten high-pressure gland into seal half of swivel housing with 1-1/8" and 5/8" wrench.

    • Clean high-pressure gland of all Blue Goop with isopropyl alcohol

    • Apply Blue Goop to threads of high-pressure gland.

    • Thread high-pressure gland into swivel nut.

    • Tighten high-pressure gland into swivel nut with 5/8" and 11/16" wrenches.

Finish Line

One other person completed this guide.

Adam Dumas

Member since: 05/20/2013

36 Guides authored

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