Hilti Te 17 Parts Diagram !!top!! Official

If your drill is sparking excessively or failing to start, the carbon brushes are the first place to look. These are "wear parts" designed to be replaced. Most diagrams will show them located near the rear of the motor housing. 2. The Chuck (Tool Holder)

Intermittent running, sparking inside housing, or complete loss of power. Maintains air compression

Armature pinion, intermediate gear, rotary sleeve, and mechanical clutch. hilti te 17 parts diagram

| Part Category | Specific Part | Description & Common Issues | | :--- | :--- | :--- | | | Chuck (Bit Holder) | The component that holds the drill bit. The TE 17 exists in two versions: older models with a "twist-type" chuck (insert bit and twist), and newer versions with a "pull-back" chuck. This part is prone to wear and frequently needs replacement. | | | Bayonet Assembly | The interlocking mechanism connecting the chuck to the tool's body. This can be a complex area to disassemble, and owners have noted that it does not use a standard circlip like other brands, making replacement tricky. | | Motor & Drive | Armature | The rotating part of the electric motor. In the TE 17, the armature rode on a porous, oil-impregnated bearing (an "oilite bushing"), which is a known wear point that can cause the armature to rub against the stationary field windings. | | | Carbon Brushes | These transfer electricity to the spinning armature. They are a standard wear item that should be checked and replaced periodically when worn down (typically below 5mm). | | | Field | The stationary part of the motor that provides the magnetic field. It can be damaged if the armature fails. | | Lubrication System | Gear Housing | The sealed compartment for the gear train. | | | Gear Oil | The TE 17 does not use grease but requires a specific amount of gear oil to lubricate its internal components. Owners recommend using about 30-50cc of a light-bodied gear oil and replacing it every few years of use. | | | Fill Cap | A cap on top of the gear housing. A black cap indicates the model lacks a safety slip clutch, while a red cap indicates the presence of one. | | Electrical & Controls | Trigger Switch | The on/off switch. This is an electrical component that can fail over time and is a common issue. | | | Power Cord | The external power cable. It should be regularly inspected for cuts or damage and replaced if necessary to prevent electrical hazards. | | Housing & Mechanical | Hammering Mechanism Coupling | A "rubber-clad, studded bayonet" between the drill bit and motor housing. Rotating and sliding this ring forward disengages the hammering action for rotation-only drilling; pulling it back locks rotation and hammering together. The TE 17 does not have a dedicated hammer-only mode. |

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Dust and debris frequently enter this area, causing wear on the locking balls and nose cap. 2. The Electro-Pneumatic Hammering Mechanism

Located between the motor and the gearbox to prevent oil from leaking into the electrical windings. | Part Category | Specific Part | Description

Dust cap, retaining ring, steel locking balls, chuck spring, and guide sleeve.