Assembling the Powerhead

  1. Lubricate the lip seal with Aqua-Sil and insert into the housing [1].

  2. Lubricate the O-ring and lip seal with Aqua-Sil and install on the piston [2].

  3. Lubricate the O-ring with Aqua-Sil and install on the end cap [3].

  4. Apply a smear of hydraulic oil to the bore of the housing.

  5. Insert the piston into the housing and push it to the bottom of the housing bore.

  6. Apply Loctite 277 to the threads on the piston rod end and screw it into the piston rod.

  7. Clamp the piston rod end in a vice and torque the piston rod using a socket and extension bar.

    Model

    Installation Torque (Nm)

    Socket Size

    TFX02

    12

    9/16 in.

    TFX04

    40

    19 mm

    TFX08

    45

    24 mm

    TFX14

    80

    1-1/8 in.

    TFX18

    90

    1-1/8 in.

    TFX30

    100

    38 mm

  8. Insert the endcap into the housing.

  9. Apply Loctite 243 to the end cap screws; screw them into the housing and tighten to the correct installation torque.

    Model

    Hex Key (mm)

    Torque (Nm)

    TFX02

    4

    11

    TFX04

    5

    18

    TFX08

    6

    40

    TFX14

    8

    70

    TFX18

    8

    80

    TFX30

    10

    125

  10. Install the swivel manifold. See section Assembling the Swivel Manifold.

  11. Degrease the threads on the fixed pin and apply Loctite 243 to the female thread. Screw the 2 parts of the fixed pin together and tighten to the correct installation torque.

    Model

    Hex Key (mm)

    Torque (mm)

    TFX02

    4

    11

    TFX04

    5

    18

    TFX08

    6

    18

    TFX14

    6

    18

    TFX18

    6

    18

    TFX30

    6

    18

Seal lubrication and installation; steps 1–3
Piston rod installation; steps 4–7
Fixed pin installation; step 11