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Aluminum Oxide:

 For fast cutting, general purpose

discs for most metal jobs. Best for cold-rolled steel,

stainless steel or metals requiring tough, fast cutting, 

long lasting abrasives.

Aluminum Zirconia Bi-Cut: 

Unique grit pattern is

arranged in clusters for faster stock removal and

cleaning. Ideal for removing paint from cars, boats,

etc. without clogging.

Ceramic: 

Lasts up to 3 times longer than Aluminum

Oxide Discs. For general metal working. Ideal for

tough jobs.

Installing Backing Pad and Sanding Discs

1. Unplug tool and place it upside down on a level

surface as shown. Remove any accessories from

spindle. 

WARNING!

 Always unplug tool before

changing or removing accessories.

2. Thread nylon washer onto spindle. Attach backing

pad and sanding disc.

NOTE: 

When installing flap disc without hub, po

-

sition disc nut as shown. 

Use only MILWAUKEE

mounting hardware designed for your tool.

3.  Press in the spindle lock button while turning disc

nut clockwise. Tighten securely.

4. To r

emove 

backing pad and sanding disc, unplug

the tool and reverse the procedure.

Rubber 

backing pad

Disc nut

Sanding disc

Spiral 

backing pad

Polypropylene 

backing pad

Nylon washer

Spindle

Rubber pad

Type 27 flange

Flap disk

without hub  

Flap disk

with hub

Disc nut position

Phenolic

backing pad

Disc nut

Sanding disc

Nylon washer

Spindle

Removing and Replacing Quik-Lok

®

 Cords

 (Select Models) 

MILWAUKEE's exclusive Quik-Lok

®

 Cords provide 

instant field replacement or substitution. 

1. To remove the Quik-Lok

®

 Cord, turn the cord nut

1/4 turn to the left and pull it out.

2. To replace the Quik-Lok

®

 Cord, align the connector

keyways and push the connector in as far as it will 

go. Turn the cord nut 1/4 turn to the right to lock.

OPERATION

WARNING

To reduce the risk of injury, always
wear safety goggles or glasses 

with side shields. Never grind without proper 

safety equipment.

Always hold the tool firmly with both hands using 

the handles provided before and during grinding.

  

Starting and Stopping the Motor

1. To 

start

 the tool, pull the trigger.

2. To 

stop

 the tool, release the trigger.

WARNING

To reduce the risk of injury or dam-
age to the tool, do not use the 

spindle lock button to stop the spindle while the 

tool is in use or is coasting after shut-off.

Locking the Trigger

(Select Models)

The lock button holds the trigger in the ON position 

for continuous use.

Lock-on button

1. To 

lock

 the trigger on, hold the lock-on button in

while pulling the trigger. Release the trigger.

2. To 

unlock

 the trigger, pull the trigger and release.

The lock-on button will pop out.

WARNING

To reduce the risk of injury, do not 
operate tool with handle release 

button pressed in or with handle not locked into 

position. If the handle does not lock securely into 
position, do not operate tool. Return the tool to 
a MILWAUKEE service facility for repair immedi-
ately.

Summary of Contents for 6088-30

Page 1: ...Cat No 6088 30 6088 31 6089 30 6089 31 SANDERS GRINDERS OPERATOR S MANUAL WARNING To reduce the risk of injury user must read and understand operator s manual...

Page 2: ...a key left attached to a rotating part of the power tool may result in personal injury Do not overreach Keep proper footing and bal ance at all times This enables better control of the power tool in u...

Page 3: ...r tool out of your control Do not run the power tool while carrying it at your side Accidental contact with the spinning accessory could snag your clothing pulling the accessory into your body Regular...

Page 4: ...possibility of wheel breakage Flanges for cut off wheels may be different from grinding wheel flanges Do not use worn down wheels from larger power tools Wheel intended for larger power tool is not s...

Page 5: ...rly installed and grounded in accordance with all codes and ordinances The plug and outlet should look like those in Figure A Double Insulated Tools Two Prong Plugs Tools marked Double Insulated do no...

Page 6: ...p the tabs with the slots Then lift the guard straight up and away from the tool 1 Operator s Zones 1 1 1 Installing Removing Type 1 Guard Assembly Adjusting Shoe 1 To install the guard unplug tool an...

Page 7: ...ottom of the guard Threaded hub grinding wheels may require a deeper guard see Accessories 1 Unplug tool and place it upside down on a level surface as shown Remove any accessories from spindle WARNIN...

Page 8: ...indle Removing and Replacing Quik Lok Cords Select Models MILWAUKEE s exclusive Quik Lok Cords provide instant field replacement or substitution 1 To remove the Quik Lok Cord turn the cord nut 1 4 tur...

Page 9: ...the tool 4 Allow accessory to come to full speed before beginning work 5 Control pressure and surface contact between ac cessory and workpiece WARNING Never bang grinding wheel onto work Too much pre...

Page 10: ...ncing forward to produce the desired finish Hold at a 5 to 15 angle For best results use only this portion of disc Cross Sanding When finishing a surface that has been prepared by a coarse disc or whe...

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