Milwaukee 5368-22 用户手册

MILWAUKEE   7/8" Rotary Hammers have 
two settings: drilling only and hammering 
with rotation.

1. To 

select  drilling only, rotate the shift 

knob 180° in the direction of the double 
arrow so that the tab portion of the knob 
points toward the “Drill” symbol.  Do not 
shift the tool when it is running or coast-
ing to a stop.  

 

When drilling in wood or steel, shift knob 
to drilling and use chuck adapter kit (see 
“Accessories”).

2. 

To select hammering with rotation, rotate 
the shift knob 180° in the direction of the 
double arrow so that the tab portion of 
the knob points toward the “Hammer” 
symbol.  

NOTE:   To engage the hammering 
mechanism, maintain pressure on 
the bit.  When pressure on the bit is 
released, the hammering action will 
stop.

1.  For forward (clockwise) rotation, push 

the forward/reverse switch to forward 
as shown.

2.  For reverse (counterclockwise) rota-

tion, push the forward/reverse switch to 
reverse as shown. Check the direction 
of rotation beofre use. Although an in-
terlock prevents Using forward/reverse 
switch (Fig. 4) Check the direction of 
rotation before use. Although an inter-
lock prevents reversing the tool while 
the motor is running, allow the motor to 
come to a full stop before reversing.

1. To start the tool, pull the trigger

2. To 

stop the tool, release the trigger.

3.  To vary the driving speed, simply in-

crease or decrease pressure on the 
trigger.  The further the trigger is pulled, 
the greater the speed.

Hammer

symbol

Drill 

symbol

Forward

Reverse

Forward

Reverse

If this tool is stored for a long period of time 
or at cold temperatures, it may not hammer 
initially because the lubrication has become 
stiff.  To warm up the tool:

1.  Insert and lock a bit into the tool.

2. 

Turn the tool on, applying force to the bit 
against a concrete or wood surface.

3.  Turn the tool on and off every few sec-

onds.  In a short time, the tool will start 
hammering.  The colder the tool is, the 
longer it will take to warm it up.

Position the tool, grasp the handles fi rmly 
and pull the trigger.

Always hold the tool securely using both 
handles and maintain control. Use only 
enough pressure to hold the tool in place 
and prevent the tip of the bit from wandering. 
This tool has been designed to achieve top 
performance with only moderate pressure. 
Let the tool do the work. 

If the speed begins to drop off when drilling 
deep holes, pull the bit partially out of the hole 
while the tool is running to help clear dust.

NOTE: Do not use water to settle the dust 
since it will clog the bit fl utes and tend to 
make the bit bind in the hole. If the bit should 
bind, a built-in, non-adjustable slip clutch pre-
vents the bit from turning. If this occurs, stop 
the tool, free the bit and begin again.

Core bits are useful for drilling larger holes 
for conduit and pipe. MILWAUKEE Thin Wall 
Core Bits have heat-treated steel bodies with 
durable carbide tips. These core bits are spe-
cially designed for fast, accurate drilling with 
combined hammering and rotary action.

1.  Clean and lubricate the threads on 

the adapter and core bit to make later 
removal easier. Screw the threaded end 
of the adapter into the rear of the core 
bit.

 

NOTE: For core bits 1- 1/4" and larger, 
push the guide plate onto the pointed 
end of the center pin. Insert the center 
pin and guide plate assembly into the 
core bit. Be sure the small end of the 
center pin is securely placed into the 
hole in the center of the core bit (Fig. 5).

2.  Insert the adapter into the nose of the 

tool as described in “Installing Bits”. Set 
the hammer/drill shift knob to hammer-
ing with rotation.

3.  Press the center pin fi rmly against your 

center mark, hold the tool fi rmly and pull 
the trigger (Fig. 6).

 

NOTE: If a center pin and guide plate are 
not available, use a template or notched 
board to start the hole (Fig. 7).