BM 2609932842 03-12_BM 2609932842 03-12.qxp 3/12/12 9:21 AM Page 9

BACKING PAD DAMPER

Your tool is equipped with an integrated backing pad damper ring. This damper reduces the no-load speed, which helps prevent swirl marks on the workpiece surface and provides uniform finishing.

NOTE: If you notice steadily increasing no-load speed, this indicates that the damper ring is worn and needs to be replaced.

To replace damper ring, remove backing pad as described in “Backing Pad Installation” and remove worn damper ring by pulling firmly out of locating groove. Align notch on damper ring with locating tab on shroud and depress ring with thumbs until shroud seats into groove completely around ring (Fig. 4).

Re-attach backing pad as described in “Backing Pad Installation”

IMPORTANT: Ring should not have bends or ripples when correctly seated.

FIG. 4

BACKING

 

 

PAD

 

NOTCH

LOCATING

TAB

DAMPER

RING

SHROUD

Dust Collection

MICROFILTER DUST CANISTER

The integral dust extraction system collects sanding dust in canister supplied with your sander. For maximum efficiency, the dust canister should be emptied frequently during operation.

!WARNING Your tool is equipped with a dust canister, empty it

frequently, after completion of sanding and before storing the sander. Be extremely careful of dust disposal, materials in fine particle form may be explosive. Do not throw sanding dust on an open fire. Combustion from mixture of varnishes, lacquers, polyurethane, oil or water with dust particles can occur if there is a static discharge, spark introduced in the box, or excessive heat.

REMOVING AND INSTALLING

DUST CANISTER

To attach dust canister, slide canister support in direction of arrow (A) until it stops. Insert mounting clip into the pocket provided on canister. Then slide canister support through mounting clip in direction of arrow (B) and push onto the dust port (Fig. 5).

To remove dust canister, squeeze release tabs on both sides of canister and simply pull away from the tool (Fig. 6).

FIG. 5

A

CANISTER

SUPPORT

DUST

CANISTER B

MOUNTING

CLIP

FIG. 6

RELEASE

TABS

1

2

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Bosch Power Tools 3727DEVS, 3725DEVS manual Dust Collection