Milwaukee 2420-20 ASSEMBLY, OPERATION WARNING , WARNING , Symbology, WARNING , Functional Description, Speci cations 1. Shoe

Fig. 2

HACKZALL

Blade clamp

Blade

ASSEMBLYOPERATION

WARNING To reduce the risk of injury,

keep hands away from the blade and other

moving parts. Always wear safety goggles or

glasses with side shields. Use only speciﬁ -

cally recommended accessories. Others may

be hazardous.

Trigger Lock

To lock the trigger,

push the trigger lock as

shown.The trigger will

not work while the switch

is in the locked position.

Always lock the trigger

and remove the battery

pack before performing

maintenance and chang-

ing accessories. Lock the

trigger when storing the

tool and when the tool is

not in use.

To unlock the trigger,

push the trigger lock as

shown.

WARNING

To reduce the risk

of injury, be sure the

blade always extends

beyond the shoe and

workpiece throughout

the stroke. Blades may

shatter if they impact

the workpiece or shoe

(Fig. 3).

Stroke

Fig. 3

WARNING Always remove battery

pack before changing or removing acces-

sories. Only use accessories specifically

recommended for this tool. Others may be

hazardous.

Inserting/Removing the

Battery

To remove the battery, push in

the release buttons and pull the

battery pack away from the tool.

To insert the battery, slide the

pack into the body of the tool.

Make sure it latches securely

into place.

less than 3-1/2” long since they won’t extend

beyond the shoe throughout the stroke.

For best performance and longest life, see your

MILWAUKEE Electric Tool catalog or go online to

www.milwaukeetool.com to select the best blade

for the job.

Installing and Removing Blades from the Quik-

Lok® Blade Clamp

Remove battery pack before changing blades.

Make sure the spindle and blade clamp areas are

clean. Metal chips and sawdust may prevent the

Quik-Lok® Blade Clamp from clamping securely.

1. Depending on the job, the blade may be inserted

with the teeth facing up or down. To install a

blade, twist collar in the direction of the arrow

while inserting the blade into the clamp until the

tang butts against the collar.

2. Release collar and the spring loaded mechanism

will clamp the blade ﬁ rmly in place.

3. Twist collar in the opposite direction of the ar-

row to ensure that the blade is locked into the

clamp.

4. Tug on blade to make sure it is securely locked

in place.

5. To remove a blade, twist collar in the direction of

the arrow while pulling on the blade. Be careful

when handling hot blades.

Symbology

Direct Current

No Load Strokes

per Minute (SPM)

Underwriters Laboratories, Inc.

United States and Canada

Release

buttons

Fig. 1

WARNING Recharge only with the char-

ger speciﬁ ed for the battery. For speciﬁ c charg-

ing instructions, read the operator’s manual

supplied with your charger and battery.

Push for

Unlock

Fig. 4

Push for

Lock

Fuel Gauge

To determine the amount of charge left in the bat-

tery, pull the trigger. The Fuel Gauge will light up

for 2-3 seconds.

To signal the end of charge, 1 light on the fuel gauge

will ﬂ ash for 2-3 seconds.

Starting, Stopping and Controlling Speed

To start the tool, grasp the handle ﬁ rmly and pull

the trigger. An LED is turned on when the trigger

is pulled.

To vary the speed, increase or decrease the pres-

sure on the trigger. The further the trigger is pulled,

the greater the speed.

To stop the tool, release the trigger. Make sure the

blade comes to a complete stop before removing

the blade from a partial cut or laying the tool down.

• Point the tool downward, twist the collar, and

shake the tool up and down (DO NOT turn the tool

on while your ﬁ ngers are holding the blade clamp

open). The shank of the broken blade should drop

out of the clamp.

• If shaking the tool doesn't work - In most cases, a

corner of the broken blade will extend beyond the

blade clamp. Twist the collar and pull the broken

blade out of the clamp by this corner.

• If the broken stub doesn't extend far enough to be

grabbed by its corner, use a thin blade with small

teeth (such as a metal cutting blade) to hook the

blade that is jammed in the clamp while twisting

the collar and pull it out.

Quik-Lok® Blade Clamp Maintenance

• Periodically clean dust and debris from the Quik-

Lok® Blade Clamp with dry compressed air.

• If the collar resists twisting, twist the collar back

and forth to shake debris loose.

• Periodically lubricate Quik-Lok® Blade Clamp with

a dry lubricant such as graphite.

Removing broken blades from the Quik-Lok®

Blade Clamp

Broken blades can be removed by the following:

• Remove battery pack before removing blades.

Selecting a Blade

The Quik-Lok® Blade Clamp can be used with

all 1/2” shank universal Hackzall® and Sawzall®

blades. Use MILWAUKEE blades for best perfor-

mance. When selecting a blade, choose the right

type and length. Many types of blades are available

for a variety of applications: cutting metal, wood,

nail-embedded wood, scroll cutting, roughing-in,

and contours.

Many lengths are also available. Choose a length

long enough to extend beyond the shoe and your

work throughout the stroke. Do not use blades

Functional Description

Cat. No. Volts

DC No Load Strokes

Per Minute Length of

Stroke

2420-20 12 0 - 3000 1/2”

Speciﬁ cations 1. Shoe

2. Quik-Lok™ blade clamp

3. Fuel Gauge

4. Handle

5. Trigger

6. Trigger lock

7. LED