RotoZip DR1 manual Maintenance

RZ 2610955525 10-07 10/11/07 8:19 AM Page 10

THE DRYWALL ROUTER ONLY COUNTER- CLOCKWISE to take advantage of the “hugging” action of the bit along the contours of the template. Remember to use a smooth, continuous motion. The exception to this rule

applies to cutting window and door openings. Since you are tracing around the inside of the framing members, move the bit clockwise to take advantage of the bits “hugging” action.

			Maintenance
			Service	rotating it counter-clockwise (Fig. 1). Be careful
!	WARNING		Preventive maintenance	not to lose the screw.
			performed by unauthorized	3. Using your fingernail, pry the brush door
personnel may result in misplacing of				loose and remove it from the tool.
internal wires and components which could				4. In order to remove the brush, you must pull
cause serious hazard. We recommend that				back the spring that is holding the brush in
all tool service be performed by a				place. Using needle nose pliers, carefully pull
Rotozip/Bosch Factory Service Center or				back the end of the brush spring and place it to
Authorized Rotozip/Bosch Service Station.				the side of the brush near the hole for the
		TOOL LUBRICATION		brush door screw. Once the spring has been
Your Rotozip tool has been properly lubricated				moved, you can remove the brush by pulling
and is ready to use.				on the brush wire connector (Fig. 11). Be
			BEARINGS	careful not to bump the brush spring or
After about 75-100 hours of operation, or at				damage the brush wire connector. Make a
every second brush change, the bearings				note of which side of the tool the brush was
should be replaced at Bosch Factory Service				removed.
Center or Authorized Bosch Service Station.				BRUSH
Bearings which become noisy (due to heavy
load or very abrasive material cutting) should				WIRE
be replaced at once to avoid overheating or				CONNECTOR
motor failure.CARBON BRUSHES
				BRUSH WIRE
The brushes and commutator in your tool have
been engineered for many hours of				FIG. 11
dependable service. To maintain peak motor
efficiency, we recommend the brushes be
examined every two to six months. Only use
genuine		Rotozip replacement brushes
specially designed for your tool.				SPRING
If your tool runs sporadically, loses power,				SCREW HOLE
makes unusual noises, or runs at a reduced
speed, check the brushes. Continuing to use				5. Check both brushes. The brushes in your
the tool in this condition will permanently
damage the motor.				Drywall Router will not wear at the same rate.
Do not attempt to operate the tool with				If either brush is less than 3/16" (4.8mm) long
broken, missing, or loose brush doors. If				or the worn end of the brush is rough or pitted,
the brush doors or brush door screws become				replace both brushes. Place the new brush in
lost or damaged, please contact Rotozip				the brush holder, making sure the brush wire is
Customer Service for replacement parts.				securely connected to its terminal inside the
To Replace the Brushes				tool. Fold the brush wire away from the screw
				hole as shown. Place the end of the spring into
1. Disconnect the tool from the power supply.				its original position.
2. Each door is held in place by a screw.				6. Replace the brush doors. Be careful not to
Using a screwdriver, loosen the screw by				over-tighten the brush door screw.

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