Cascade Clamps 50D

Clamp the extreme base end of the cylinder in a soft-jawed vise.

Remove the retainer using a claw type spanner wrench.

Remove the rod assembly from the cylinder.

Clamp the rod assembly on the wrench flats. Avoid clamping directly on the rod sealing surface.

Remove the nut fastening the piston to the rod using a wrench on the rod end nut flats to prevent rotation.

Place the piston or retainer in a soft-jawed vise to remove the seals. Pry the seals up with a blunt screwdriver and cut to remove.

Ensure pressure does not exceed 2300 psi (160 bar)

Verify hydraulic flow falls within the volume range shown in Section 6.1

Restrictor Cartridge Adjustment Steps

Identify restrictor cartridge installation location

Remove the bumper if restrictor cartridges are installed in the cylinder rod end ports

Loosen the jam nuts on the restrictor cartridges

Screw in the plungers with a screwdriver until they bottom, then back out three full turns

Operate the attachment to determine the arm speed

Cylinder Anchor Joint Inspection and Lubrication

Inspect the cylinder anchor joint for lubrication and correct hold

Lubricate the cylinder anchor joint with wheel bearing grease

Is a light application of chassis grease permitted by your application?

Apply a light application of chassis grease to the arm bearing if permitted

Arm Capscrews Torque Adjustment

Tighten arm capscrews to the specified torque value

WARNING: Relieve pressure in the hydraulic system before removing a restrictor cartridge.

Open the truck auxiliary control valves several times in both directions.

Remove the bumper if the restrictor cartridges are installed in the cylinder rod end ports.

Remove the restrictor cartridge from the cylinder port.

Tighten the restrictor cartridge to 10–15 ft.-lbs. (13–20 Nm) during reassembly.

Inspect the arm bearings for wear

Are any bearings worn to less than .040 in. (1 mm) thickness?

Replace all bearings if any are worn to less than .040 in. (1 mm) thickness

Frame Mounting Plate Capscrews Tightening

Tighten the frame mounting plate capscrews to the specified torque value