SDS+ Drill IssuesUpdated 4 hours ago

SDS Bit Won't Lock Into the Chuck

One of the most common SDS drill faults.

Possible Causes

• Dirt or debris in the chuck
• Lack of lubrication
• Worn locking balls
• Damaged SDS shank

Resolution

• Clean the chuck thoroughly.
• Apply suitable SDS grease.
• Inspect the drill bit shank for wear.
• Replace worn chuck components if necessary.

SDS Bit Gets Stuck

The drill bit cannot be removed from the chuck.

Possible Causes

• Dust build-up
• Lack of lubrication
• Worn retention mechanism
• Damaged chuck assembly

Resolution

• Apply lubricant to the chuck.
• Operate the chuck sleeve repeatedly.
• Clean the mechanism thoroughly.
• Replace damaged components where required.

Weak Hammer Action

The SDS drill rotates but struggles when drilling masonry.

Possible Causes

• Worn piston assembly
• Damaged internal seals
• Mechanical wear
• Insufficient lubrication

Resolution

• Confirm hammer mode is selected.
• Check for unusual sounds during operation.
• Arrange professional servicing if hammer action remains weak.

Excessive Vibration

Strong vibration often indicates internal wear.

Possible Causes

• Damaged bearings
• Worn hammer mechanism
• Bent SDS accessory
• Gearbox wear

Resolution

• Replace damaged accessories.
• Check for excessive play in the chuck.

Have the gearbox and bearings inspected if vibration continues.