METABO WP 850-115 (01) PDF Document

The METABO WP 850-115 angle grinder, when fitted with original Metabo accessories, is suitable for grinding, sanding, separating, and wire brushing metal, concrete, stone, and similar materials without the use of water.

Before commissioning your METABO WP 850-115, ensure that the rated mains voltage and frequency stated on the type plate match your power supply. It is recommended to always install an upstream GFCI with a maximum trip current of 30 mA.

Always work with the additional handle (10) attached to your METABO WP 850-115. Attach the additional handle on the left or right of the machine and secure it.

For safety reasons, always use the guard provided for the specific accessory. There are two methods for attaching the safety guard depending on your model:

For models W 750-100, W 750-115, W 750-125, W 850-100, W 850-115, W 850-125, WP 850-115, WP 850-125, WEV 850-115, WEV 850-125, W 900-115, W 1100-115, W 1100-125:

1. Loosen the clamping screw (16) until the clamping ring (17) on the safety guard expands sufficiently.

2. Place the safety guard (11) in the position indicated in the manual’s illustration.

3. Turn the safety guard until the closed section is facing the operator.

4. Tighten the clamping screw (16) firmly. Ensure the guard is seated securely; you should not be able to turn the safety guard (11).

For models WP 1100-115, WQ 1100-125, WEQ 1400-125:

1. Push and hold the lever (18). Place the safety guard (11) in the indicated position.

2. Release the lever and rotate the guard until the lever latches.

3. Push the lever and turn the safety guard until the closed section faces the operator.

4. Make sure that the guard is attached securely: The lever must engage, and you should not be able to turn the safety guard.

Only use accessories that are covered by at least 3.4 mm by the safety guard.

To lock the spindle on your METABO WP 850-115:

1. Prior to any conversion work, pull the mains plug out of the socket. The machine must be switched off and the spindle at a standstill.

2. Press in the spindle locking button (4) and turn the spindle (3) by hand until the spindle locking button engages.

To place the grinding wheel on your METABO WP 850-115:

1. Fit the support flange (2) on the spindle. The flange should not turn on the spindle when properly attached.

2. Place the grinding wheel on the support flange (2). The grinding wheel must lay flat on the supporting flange.

The “M-Quick” clamping nut is only available on certain models (WQ1100-125; WEQ 1400-125).

Securing the “M-Quick” clamping nut (1):

Do not use the “M-Quick” clamping nut if the accessory has a clamping shank thicker than 7.1 mm. In this case, use the 2-hole nut (12) with the 2-hole spanner (13).

1. Lock the spindle (see chapter 7.1).

2. Position the “M-Quick” clamping nut (1) on the spindle (3) so that the 2 lugs engage in the 2 grooves on the spindle.

3. Tighten the “M-Quick” clamping nut by turning it clockwise by hand.

4. Turn the grinding wheel firmly clockwise to tighten the “M-Quick” clamping nut.

Releasing the “M-Quick” clamping nut (1):

The “M-Quick” clamping nut (1) must be attached before the spindle locking button (4) can hold the spindle.

1. The machine continues to run after switching off.

2. Press in the spindle locking button (4) just before the grinding wheel stops. The “M-Quick” clamping nut (1) is released.

Securing the 2-hole nut (12):

The two sides of the nut are different. Screw the two-hole nut onto the spindle as follows:

X) For thin grinding discs: The edge of the 2-hole nut (12) faces upwards so that the thin grinding disc can be attached securely.

Y) For thick grinding discs: The edge of the two-hole nut (12) faces downwards so that the two-hole nut can be attached securely to the spindle.

To secure, lock the spindle and turn the two-hole nut (12) clockwise using the two-hole spanner (13).

Releasing the 2-hole nut:

Lock the spindle. Turn the two-hole nut (12) anticlockwise using the two-hole spanner (13) to unscrew.

Always guide the METABO WP 850-115 with both hands. Switch it on first, then guide the accessory towards the workpiece.

There are two types of switches depending on your model:

Machines with a slide switch:

Switching on: Push the slide switch (5) forwards. For continuous operation, tilt it downwards until it engages.

Switching off: Press the rear end of the slide switch (5) and release it.

Machine with paddle switch (with deadman function), like the METABO WP 850-115:

Switching on: Slide the switch-on lock (9) in the direction of the arrow and press the trigger (8).

Switching off: Release the trigger switch (8).

Grinding and sanding operations:

Press down the machine evenly on the surface and move it back and forth so that the surface of the workpiece does not become too hot.

For rough grinding, position the machine at an angle of 30° – 40° for the best working results.

Cut-off grinding:

Always work against the run of the disc. Otherwise, the machine may kick back from the cut in an out of control manner. Guide the machine evenly at a speed suitable for the material being processed. Do not tilt, apply excessive force, or sway from side to side.

Wire brushing:

Press down the machine evenly.

Particles may become deposited inside the power tool during operation, which can impair cooling and create an electrical hazard. The METABO WP 850-115 power tool should be cleaned regularly, often, and thoroughly through all front and rear air vents using a vacuum cleaner or by blowing in dry air. Prior to this, separate the power tool from the power source and wear protective glasses and a suitable dust mask. Ensure appropriate suction is available when blowing out vents.

If your METABO WP 850-115 does not start, the restart protection may be active. If the mains plug is inserted with the machine switched on or if the power supply is restored following an interruption, the machine will not start up. To resolve this, switch the machine off and then back on again.

Key:

Ø = max. diameter of the accessory

tmax,1 = max. permitted thickness of the clamping shank on accessory when using two-hole nut (12)

tmax,2 = max. permitted thickness of clamping shank on accessory when using “M-Quick” clamping nut (1)

tmax,3 = max. permitted thickness of clamping shank on accessory when using (tool-free) clamping nut (14)

tmax,4 = roughing disc/cutting disc: max. permitted thickness of accessory

tmax,5 = max. permitted thickness of wheel-type wire brushes

M = Spindle thread

l = Length of the sanding spindle

n0 = No-load speed (maximum speed)

nV = No-load speed (adjustable)

P1 = Rated input power

P2 = Power output

m = Weight without mains cable

ah, SG = Vibration emission value (surface grinding)

ah, DS = Vibration emission value (sanding with sanding plate)

Kh,SG/DS = Uncertainty (vibration)

LpA = Sound-pressure level

LWA = Acoustic power level

KpA, KWA = Uncertainty