Bostitch BTE820K User Manual download pdf (Page 12)

SURFACE FINISHING WITH SANDING FLAP DISCS

1. Allow the tool to reach full speed before touching the tool to the work surface.

 2.Applyminimumpressuretoworksurface,allowingthetooltooperateathighspeed.

Sanding rate is greatest when the tool operates at high speed.

 3.Figure K - Maintaina5˚to10˚anglebetweenthetoolandwork

surface.

 4.Continuouslymovethetoolinaforwardandbackmotiontoavoid

creating gouges in the work surface.

5. Remove the tool from work surface before turning tool off. Allow

the tool to stop rotating before laying it down.

MOUNTING SANDING BACKING PADS

WARNING: To prevent accidental operation, turn off and unplug tool before

performing the following operations. Failure to do this could result in serious

personal injury.

NOTE: Guard may be removed when using sanding backing pads.

WARNING: Proper guard must be reinstalled for grinding wheel, sanding flap disc,

cutting wheel, wire brush or wire wheel applications after sanding

applications are complete.

1. Figure L - Placeorappropriatelythreadbackingpad(14)

on the spindle.

 2.Placethesandingdisc(15)onthebackingpad(14).

 3.Whiledepressingspindlelock,threadclampnut(13)on

spindle, piloting the raised hub on the clamp nut into the

center of san ding disc and backing pad.

 4.Tightentheclampnutbyhand,thendepressthespindle

lock button while turning the sanding disc until the sanding

disc and clamp nut are snug.

5. To remove the wheel, grasp and turn the backing pad and

sanding pad while depressing the spindle lock button.

USING SANDING BACKING PADS

Choose the proper grit sanding discs for your application. Sanding discs are available in

various grits. Coarse grits yield faster material removal rates and a rougher finish. Finer

grits yield slower material removal and a smoother finish.

Beginwithcoarsegritdiscsforfast,roughmaterialremoval.Movetoamediumgrit

paper and finish with a fine grit disc for optimal finish.

Coarse 16-30grit

Medium 36-80grit

FineFinishing 100-120grit

Very Fine Finishing 150 - 180 grit

1. Allow the tool to reach full speed before touching tool to the work surface.

 2.Applyminimumpressuretoworksurface,allowingthetooltooperateathighspeed.

Sanding rate is greatest when the tool operates at high speed.

 3. Figure M - Maintaina5˚to15˚anglebetweenthetoolandwork

surface. The san ding disc should contact approximately one inch

(25mm)ofworksurface.

 4.Movethetoolconstantlyinastraightlinetopreventburningand

swirling of work surface. Allowing the tool to rest on the work

surface without moving, or moving the tool in a circular motion

causes burning and swirling marks on the work surface.

5. Remove the tool from work surface before turning tool off. Allow the tool to stop

rotating before laying it down.

PRECAUTIONS TO TAKE WHEN SANDING PAINT

 1.SandingofleadbasedpaintisNOTRECOMMENDEDduetothedifficultyof

controlling the contaminated dust. The greatest danger of lead poisoning is to children

and pregnant women.

 2.Sinceitisdifficulttoidentifywhetherornotapaintcontainsleadwithoutachemical

analysis, we recommend the following precautions when sanding any paint:

1212

5˚-10˚

5˚-15˚

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Bostitch BTE820K User Manual Page 12

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