How to Remove Drawer Runners: Operating Release Levers on Telescopic Slides

March 16, 2026

The release lever on a telescopic slide is a mechanical plastic latch that disengages the inner runner profile, enabling the complete separation of the drawer from the cabinet carcase.

Properly removing a drawer fitted with side-mounted ball-bearing runners requires an understanding of the built-in mechanism. Unlike traditional roller runners, where the drawer is simply lifted over a ramp, telescopic slides feature a firm mechanical catch. This prevents the drawer from accidentally falling out under maximum load. To carry out repairs inside the cabinet, replace the runners, or clean the interior, this catch must be released manually.

This guide is aimed at fitters and experienced DIY enthusiasts, explaining the exact operation of the release mechanism, the correct techniques for damage-free removal, and typical pitfalls during reinstallation.

Mechanical Design: How Does the Release Mechanism Work?

A typical telescopic runner consists of three interlocking steel profiles: the carcase profile (screwed firmly to the cabinet), the intermediate profile (which extends the travel distance), and the drawer profile (mounted directly to the drawer). Between these profiles, steel balls run inside a ball cage, ensuring low-friction movement.

The system operates much like railway points: the release lever, usually a small, pointed plastic lever in the front third of the drawer profile, normally blocks the runner from travelling past its end stop. When the lever is pressed, it clears the path, allowing the drawer profile to be pulled entirely out of the intermediate profile.

Difficulty and Time Required

Difficulty: Low (basic mechanical understanding required)
Time required: approx. 2 to 5 minutes per drawer
Personnel: 1 person (for very wide drawers or weights exceeding 15 kg: 2 people)

Required Tools and Materials

For standard removal via the release lever, no specialist tools are generally required. The mechanism is designed for manual operation. However, the following items are advisable:

Slotted screwdriver (3 mm or 4 mm blade width): Helpful if the plastic lever is stuck due to dust or hardened grease.
Work gloves: Telescopic runners are lubricated at the factory with heavy bearing grease. In addition, stamped steel profiles often feature sharp edges.
Timber offcuts / blanket: For setting the removed drawer down safely to prevent scratches to the front panel.

Step-by-Step Guide: Removing Drawer Runners

The following instructions apply to classic side-mounted telescopic slides. It makes no difference whether you are dealing with a partial extension (approx. 75 % extension length) or full-extension drawer runners, where the drawer can be pulled out 100 % from the carcase.

Step 1: Empty and Unload the Drawer

Before releasing the mechanism, reduce the weight. A fully loaded drawer creates significant leverage on fully extended runners. Especially on slides with a load capacity of 30 kg or more, pulling from one side during removal can lead to permanent bending of the carcase profiles.

Step 2: Pull the Drawer Out to the Stop

Pull the drawer out slowly and evenly until you feel clear resistance. The runner is now in its end position. On standard runners for kitchen furniture, such as 500 mm drawer runners, the drawer profile is now maximally visible.

Step 3: Locate the Release Levers

Look at the outer sides of the drawer. Along the innermost runner profile (the one screwed directly to the timber), you will see a small plastic lever. This is usually black, grey, or blue and protrudes slightly from the metal profile. It is located on both sides of the drawer.

Step 4: Operate the Levers (Note the Opposing Directions!)

This is the most critical technical step, where most errors occur. The levers on the right and left sides must be operated simultaneously to release the catch.

Important rule: With nearly all manufacturers, the levers are mounted in mirror image. This means:

The lever on the right-hand side must be pressed downwards.
The lever on the left-hand side must simultaneously be pulled upwards.

Hold both levers in this disengaged position. If the levers are stiff, carefully use a slotted screwdriver as a prying aid.

Step 5: Pull the Drawer Straight Out

While holding both levers in the release position, pull the drawer horizontally forward out of the carcase with a slight tug. Once the first 20 mm have cleared, you can release the levers. Now pull the drawer completely out of the guide profiles.

Step 6: Secure the Runner Profiles

After removal, the sharp-edged intermediate and carcase profiles will protrude into the room. Push them back manually into the cabinet carcase as far as they will go immediately. This prevents injury and protects the runners from being bent if accidentally knocked.

Special Considerations for Specific Slide Types

The method described applies to standard telescopic runners. However, modern furniture hardware includes specific designs that feature notable differences.

Heavy-Duty Slides

Heavy-duty drawer runners (often with load ratings between 45 kg and 130 kg) utilise thicker steel profiles. The release lever here is frequently made of metal and requires more effort to operate. Due to the high weight of the drawer itself (often constructed from thick chipboard or solid timber), removal must be carried out by two people.

Slides with Soft-Close or Push-to-Open

Many modern runners feature integrated mechanisms. Soft-close drawer runners cushion the drawer gently over the final few centimetres. Push-to-open drawer runners (tip-on) eject handleless fronts upon light pressure.

Neither system alters the position or function of the release lever. However, when pulling the drawer out, take care not to snap the delicate plastic catch pin of the soft-close damper unit at the rear of the slide. Pull the drawer straight forward without tilting.

Undermount Drawer Runners

Please note: A concealed undermount runner does not feature side-mounted release levers. Here, the drawer is released using plastic locking clips located invisibly under the drawer base directly behind the front panel. Squeezing these clips allows the drawer to be lifted upwards and off the tracks.

Error Prevention and Installation (Reassembly)

Removal is usually straightforward, but reinstallation carries the highest risk of component damage. If a runner binds or grates after insertion, it is almost always due to an installation error.

Position the ball cages: Before sliding the drawer back in, pull the ball cages (the units holding the small steel balls) inside the carcase profiles fully forward towards the front opening.
Align straight: Insert the drawer profiles horizontally and squarely into the intermediate profiles. Tilting to one side can force the steel balls out of the cage. Once the ball bearing is damaged, the slide generally cannot be repaired and must be replaced.
Engage the catch: Push the drawer into the cabinet with gentle, steady pressure. You will encounter significant resistance halfway through. Continue pushing until you hear a distinct click. The release levers are now re-engaged in their locked position.

Frequently Asked Questions (FAQ)

Why will the lever not move? Often, the runner lubricant has mixed with household dust and hardened. A drop of silicone spray or gently prising with a 3 mm slotted screwdriver usually resolves this. Never apply brute force.

Are the levers designed differently on short runners? No. The mechanism on 250 mm drawer runners for narrow bathroom units is identical to that on longer slides. The components are merely scaled down, requiring slightly more dexterity.

My drawer has no side levers and cannot be lifted off. What should I do? If it is neither a ball-bearing slide with levers nor an undermount slide with front clips, you are likely dealing with basic roller drawer runners. These must be pulled out almost to the end and then lifted upwards at an angle of approx. 30° so that the front drawer wheel can ride over the rear carcase wheel.

What is the difference between soft-close and push-to-open during removal? There is no difference in how the release lever operates. It is simply important to understand that they are opposing mechanisms: soft-close actively pulls the drawer shut and cushions it (requiring a handle), whereas push-to-open tensions a spring that pops the drawer open upon pressure (for handleless fronts). The mechanical disconnection of the runner profiles remains identical.

Related Categories and Replacement Fittings

Should the runners become damaged during removal, or if you wish to upgrade your furniture fittings, you can find suitable components across various dimensions and load classes: