Functional Description Tool Assembly, Speciﬁcations

FUNCTIONAL DESCRIPTION

TOOL ASSEMBLY

1.	1/2" drive shank	7	6
2.	Forward/Reverse switch		Cat. No. 0779-20
			Cat. No. 0779-20

3.Trigger

4.Battery pack

5.Battery pack release buttons

6.Tool hanger

7.	Tool hanger ring	1
8.	7/16" hex quick-change chuck	2
		3
		3

Cat. No. 0799-20

WARNING

Always lock trigger or remove battery pack before changing or removing accessories. Only use accessories speciﬁcally recommended for this tool. Others may be hazardous.

Removing Battery Pack from Tool

Push in the release buttons and pull the bat- tery pack away from the tool.

Inserting Battery Pack into Tool

To insert the battery pack onto the tool, slide the pack onto the body of the tool. Make sure it latches securely into place.

1.For working in restricted spaces. Insert the battery pack from the front by pressing in the release buttons and sliding battery pack into the body of the tool. Insert the battery pack until clamp engages.

Attaching and Removing the Tool Hanger

Fig. 1	Ring
Gear	Tool
case	Tool
screws	hanger

1.To attach, remove the two top gear case screws (Fig. 1).

2.Place the ring through the tool hanger.

3.Position the tool hanger on the tool over the two gear case screw holes.

4.Replace the two gear case screws. Hand tighten the screws.

5.To remove, reverse the procedure.

Speciﬁcations

	Volts	No Load		Impacts	Average
Cat.	Volts	No Load	Drive	Per	Torque
No.	DC	RPM	Shank	Minute	Output*
0779-20	28	0 - 1450	1/2"	0 - 2450	325 ft-lbs.*
0799-20	28	0 - 1450	7/16" Hex	0 - 2450	325 ft-lbs.*

*Output rated at full speed

Drilling Capacities

Cat. No.	Quick Change Auger Bits	Selfeed Bits
0779-20	1-1/2"	2-9/16"
0799-20	1-1/2"	2-9/16"

2.For optimum weight distribution and balance. Insert the battery pack from the back by pressing in the release but- tons and sliding the battery pack into the body of the tool. Insert the battery pack until clamp engages.

WARNING

Use only sockets and other accessories speciﬁcally designed for use on impact wrenches and drivers. Other sockets and accessories might shatter or break causing injury.

Attaching and Removing Accessories

(Cat. No. 0779-20)

This impact wrench is intended only for use with sockets designed for impact wrenches and that have a 1/2" square drive. Other sockets could shatter or break, causing injury.

Symbology

Volts Direct Current

Impacts per Minute Under

Load (IPM)

Underwriters Laboratories, Inc., United States and Canada

Fig. 2

Drive shank

Detent pin