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Bimba Ultran

Slide Rodless Cylinder

Repair Instructions

CAUTION!

The magnets used in the Ultran product line are of an extremely high

strength and brittle material. Caution should be used in handling these

magnets.

If the magnets are cracked due to impact fractures during the repair

process, they will repel each other and y apart.

During the repair of the product, be sure your ngers do not get between

the piston and the carriage. The magnets on both these parts will attract

each other and could cause injury.

NOTES

Cleanliness of the internal parts is imperative for maximum life of the slide unit.•

Parts that have been repaired should be covered or bagged until needed for •

nished assembly.

Any high grade of bearing grease should be used for lubrication purposes.•

Tools required:

knife or wire cutters

hex driver

arbor press

screwdriver

retaining ring pliers

torque wrench

plastic bags or clean containers to hold parts during the repair

lubricant

NOTE on Arbor Press: Using an arbor press is the safest and preferred way to

perform some of the operations in these instructions. Pressing through the body’s

length is necessary, so the arbor press must have its table a distance from the oor

that is equal to or greater than the stroke of the cylinder. A proper repair is unlikely

if these warnings are not followed.

Summary of content (4 pages)

PAGE 1
Bimba Ultran® Slide Rodless Cylinder Repair Instructions CAUTION! The magnets used in the Ultran product line are of an extremely high strength and brittle material. Caution should be used in handling these magnets. If the magnets are cracked due to impact fractures during the repair process, they will repel each other and fly apart. During the repair of the product, be sure your fingers do not get between the piston and the carriage.
PAGE 2
SLIDE REPAIR INSTRUCTIONS Refer to Figure 1 for Steps 1–7 1. Remove air pressure and fittings. 2. Wipe down and clean the unit. 3. Remove the four cap screws that fasten the end blocks to the guide rods. 4. Remove the end blocks and the guide rods keeping the carriage, body and piston together as a unit. 5. Remove any grease, dirt or oil from the individual pieces. 6. Place the carriage, body and piston assembly in an arbor press.
PAGE 3
Note: The Ultran guide shaft bearings were upgraded in the second half of 2000. All new repair kits shipped after September 2000 will contain the new style shaft bearings, which utilize internal press rings. If the Ultran assembly being repaired does not have internal press rings, be sure to add them before pressing the bearings in place. Figure 3: Refer to Figure 4 for Steps 18–21 18. Remove the piston from the body. 19. Using cutters, cut the seal and pull it out of the groove.
PAGE 4
Refer to Figure 6 for Steps 23–25 23. Remove the body O–ring tube seal from the large hole in both end blocks. Figure 6: 24. Clean the end blocks and the O–ring groove of any grease or contaminants. 25. Lightly lubricate the new O–rings. Stretch the O–rings slightly and place them in the grooves by hand. 26. Apply a coating of lubricant to the inside surface of the tube. Best performance will be achieved when the lubricant is applied evenly over the whole surface. 27.