Machine Compatibility

• You can install the Oil Skimmer on machines that have an external 55-gallon (208 L) or 95-gallon (360 L) coolant tank. 
• UMC-400/SS with a 45-gallon (170 L) coolant tank.
• SMM/MM/MM-EDU with a 45-gallon (170 L) coolant tank.
  
• SMM2/MM2 with a 45-gallon (170 L) coolant tank.
  
• ST-10/15/L machines: Require Oil Skimmer Mount Bracket Kit (P/N: 93-1001137). ST-10/15/L HPC option is not compatible with the Oil Skimmer.

The coolant tanks in the list below have a hole and a slot in the coolant tank cover for the Oil Skimmer:

• 55-gallon (208L) coolant tanks made after May, 2019.
• 95-gallon (360L) coolant tanks made after Feb, 2019.

For all other machines, you must use the Tank Cover Template to make the hole and the slot in the coolant tank cover.

For all machines made before October 2014, you must use the Enclosure Apron Template to makes holes in the enclosure apron for the female connector on the 25 FT EXTENSION CABLE [B].

 Note: This procedure shows a vertical machine. The installation on lathes and horizontal machines is similar.

• Drill
  
• Jigsaw
  
• Drill Bit - 5/32" (0.156")
  
• Hole Saw - 1.75"
  

Tank Cover -Template

Use this template to make the hole and the slot in the coolant tank cover.

Cut the hole and slot on the left or right side of the cover. Choose the side for your machine that gives you access the Oil Skimmer.

On the top of the cover for the coolant tank, measure and mark the dimensions o the holes.

• A - 1.20" (3 cm).
• B - 12.50" (32 cm).
• C - 8.10" (21 cm).
• D - 2.20" (6 cm).
• E - 5.00" (13 cm).
• F - 3.50" (9 cm).
• G - 1.50" (4 cm).
• H - 1.10" (3 cm).

Cut and de-burr the hole and the slot.

Enclosure Apron - Template

For all machines made before October 2014, you must use this template to make (3) holes in the enclosure apron for the female connector on the 25 FT EXTENSION CABLE.

Choose a location in the apron that is near the Oil Skimmer. Put a mark in the apron [A] for the center of the hole.

Measure and mark these dimensions for the holes:

• B - Ø1.75" (4.4 cm).
• C - 0.07" (0.1 cm).
• D - 1.00" (2.5 cm).
• E - 0.90" (2.3 cm).
• F - 0.25" (0.6 cm).
• G - Ø0.156" (0.4 cm).
• H - 0.156" (0.4 cm).

Cut and de-burr the (3) holes.

Note: This step is for DC-1 machines only.

Install OIL SKIMMER BRACKET [1] onto the coolant tank edge before hanging the OIL SKIMMER BASE [2]. 

Hang the OIL SKIMMER BASE [2] over the OIL SKIMMER BRACKET [1].

 Note: This step is for ST-10/15/L machines only.

 Note: For machines that were purchased with the oil skimmer option [2], the bracket [1] must be adjusted to match the image.

Install OIL SKIMMER BRACKET [1] onto the coolant tank edge before hanging the OIL SKIMMER BASE [2]. 

Hang the OIL SKIMMER BASE [2] over the OIL SKIMMER BRACKET [1].

Hang the OIL SKIMMER BASE [A] from the Coolant Tank with the hanging hooks engaged onto the Coolant Tank Lid [1].  The horizontal surface of the hanging hooks should be flat on the top of the Coolant Tank Lid edge.

Fill the Oil Skimmer Chambers with clean coolant up to the drain [1] facing the coolant tank.

NOTE: The two chambers are connected with a slot at the bottom [2]. Make sure both chambers are filled. 

Install the OIL SKIMMER TOP ASSEMBLY [H] by positioning the narrow end of the Oil Skimmer into the Coolant Tank lid opening and then fitting the motor end onto the base engaging the alignment slots [1].

Attach the female connector on the 25 FT EXTENSION CABLE [B] to the enclosure apron. Use the (2) BOLTS [G].

Apply the DECAL [C] to the enclosure apron.

Connect the 25 FT EXTENSION CABLE [B] to the GFCI outlet [1] on the control cabinet.

Use the CABLE TIES [D], the CLAMPS [E], and the MOUNTS [F] as necessary to route the cable.

Connect the power cable [2] for the Oil Skimmer to the female connector on the 25 FT EXTENSION CABLE [B] in the enclosure apron.

Identify where the replacement components and their corresponding storage locations are.

Place excess scrapers on holder [1] and held with wing nut.

Extra O-rings should be placed in holder [2].

When replacing the O-ring, make sure the O-ring is not twisted and in between the grooves of both rollers. 

While installing the O-ring install the scrapers, make sure the scrapers are in the slot highlighted [1]. 

Once completed run the oil skimmer and ensure it runs properly. 

When:

• Coolant level is below the drain [2] 
• Coolant gets dirty and appears gold [3]

Clean thoroughly with water and refill the Oil Skimmer Chambers with clean coolant [1] up to the drain [2] facing the coolant tank. 

The image shows the following components of the Oil Skimmer system.

1. Oil Skimmer Chamber (x2)
2. Scraper (x2)
3. O-ring
4. Oil container
5. Extra Scrapers and O-rings
6. Power Cord with Switch

Make sure the connection is secure between the oil skimmer assembly cable [1] and the Ground-Fault Circuit-Interrupter [2] (GFCI). Some larger machines have an enclosure panel side-skirt connector [3] that the oil skimmer assembly cable [1] connects to.

Make sure the GFCI [2] has not been tripped. If it has, reset it.

This procedure tells you how to install an Oil Skimmer system. The Oil Skimmer does these functions:

• Automatically removes tramp oil. This decreases bacteria and helps to keep the coolant clean
• Uses tubing that constantly turns in the coolant tank to remove the oil from the coolant. This puts the oil into an external container.
• Starts and stops easily with the toggle switch on the side of the unit. You can also add an electrical timer to automatically start and stop the Oil Skimmer.

Tank Cover -Template

Use this template to make the hole and the slot in the coolant tank cover.

Cut the hole and slot on the left or right side of the cover. Choose the side for your machine that gives you access the Oil Skimmer.

On the top of the cover for the coolant tank, measure and mark the dimensions [A] from the front edge and [B] from the side edge of the cover.

• A - 16.1" (40.9 cm).
• B - 5.7" (14.5 cm).

Measure and mark these dimensions for the hole:

• C - 3.5" (8.9 cm).
• D - 1.5" (3.8 cm).
• G - 0.5" (1.3 cm). Radius

Measure and mark these dimensions for the slot:

• E - 1.8" (4.6 cm).
• F - 0.2" (0.5 cm).

Cut and de-burr the hole and the slot.

Enclosure Apron - Template

For all machines made before October 2014, you must use this template to make (3) holes in the enclosure apron for the female connector on the 25 FT EXTENSION CABLE.

Choose a location in the apron that is near the Oil Skimmer. Put a mark in the apron [A] for the center of the hole.

Measure and mark these dimensions for the holes:

• B - Ø1.75" (4.4 cm).
• C - 0.07" (0.1 cm).
• D - 1.00" (2.5 cm).
• E - 0.90" (2.3 cm).
• F - 0.25" (0.6 cm).
• G - Ø0.156" (0.4 cm).
• H - 0.156" (0.4 cm).

Cut and de-burr the (3) holes.

Install the OIL SKIMMER [A].

Put the long tab [1] on the OIL SKIMMER [A] into the slot [3] on the cover for the coolant tank.

Install the flexible grommet [4] on the hole.

Put the tubing and washer [2] into the hole on the coolant tank cover.

Attach the female connector on the 25 FT EXTENSION CABLE [B] to the enclosure apron. Use the (2) BOLTS [G].

Apply the DECAL [C] to the enclosure apron.

Connect the 25 FT EXTENSION CABLE [B] to the GFCI outlet [1] on the control cabinet.

Use the CABLE TIES [D], the CLAMPS [E], and the MOUNTS [F] as necessary to route the cable.

Connect the power cable [2] for the Oil Skimmer to the female connector on the 25 FT EXTENSION CABLE [B] in the enclosure apron.

Push the toggle switch to start and stop the Oil Skimmer.

 Note: You can use an electrical timer to stop and start the Oil Skimmer automatically. This kit does not supply the electrical timer.

 Note: After you install the Oil Skimmer, check it frequently to determine how often you must empty the container [1].

Unplug the Oil Skimmer power cable and remove the Oil Skimmer from the coolant tank.

Remove the (3) screws [1] and the cartridge [2] from the oil-skimmer assembly.

Turn the cartridge to the other side. Remove the (4) screws [3] and the bottom cover [4] of the cartridge.

Remove the tubing [5] and gears for the Oil Skimmer.

Add grease [6] to the top cover [7] of the cartridge.

Put the tubing on the top cover as shown with the replacement gears.

 Note: Make sure the ceramic scraper [8] is installed in the correct position on the top cover.

Install the bottom cover [4]. Use the (4) screws [3].

Align the motor shaft [2] to the drive-wheel hole [1]. The hole is on the bottom cover of the cartridge.

Attach the cartridge [4] to the Oil Skimmer. Use the (3) screws [3].

Install the Oil Skimmer.

Put the long tab on the Oil Skimmer into the slot on the cover for the coolant tank.

Connect the power cable for the Oil Skimmer.

Push the toggle switch to turn the Oil Skimmer on.

Make sure the tubing moves freely.

The Oil Skimmer operates correctly when the oil is scraped off of the tubing and drips into the container.

The image shows the following components of the Oil Skimmer system.

1. Oil Skimmer cartridge
2. Pickup tube (Pickup kit for the oil skimmer.)
3. Clamp (Push wire mount for cable routing.)
4. 25 ft (7.6 m) Power Cord
5. Oil container

Make sure the connection is secure between the oil skimmer assembly cable [1] and the Ground-Fault Circuit-Interrupter [2] (GFCI). Some larger machines have an enclosure panel side-skirt connector [3] that the oil skimmer assembly cable [1] connects to.

Make sure the GFCI [2] has not been tripped. If it has, reset it.

 Note: The illustration shows a disassembled oil skimmer cartridge.

Check that the drive wheels inside the oil skimmer cartridge are not damaged or jammed with chips. Remove the cover of the oil skimmer cartridge. Check the drive wheels for wear. If the teeth on the drive wheels are damaged or the center bore stripped, rebuild the oil skimmer cartridge with the service kit 93-2352.

Replace the pickup tube, ceramic wiper assembly, and gears together. Refer to Oil Skimmer - Tubing - Replacement for replacement instructions.