PRODUCT SPECIFICATIONS
SAVE THIS MANUAL
You will need this manual for the safety warnings and precautions, assembly, operating,
inspection, maintenance and cleaning procedures, parts list and assembly diagram.
Keep your invoice with this manual. Write the invoice number on the inside of the front
cover. Keep this manual and invoice in a safe and dry place for future reference.
GENERAL SAFETY RULES
WARNING!
READ AND UNDERSTAND ALL INSTRUCTIONS
Failure to follow all instructions listed in the following
pages may result in electric shock, fire, and/or serious injury.
SAVE THESE INSTRUCTIONS
SKU 91831 For technical questions please call 1-800-444-3353 PAGE 2
UNPACKING
When unpacking, check to make sure all the parts shown on the Parts List on page 8 are
included. If any parts are missing or broken, please call Harbor Freight Tools at the num-
ber shown on the cover of this manual as soon as possible.
Item Description
Drive Size
3/8” Square Drive
Free Speed
10,000 RPM
Maximum Torque
260 Ft./Lbs
Blows Per Minute
1,300
Maximum PSI
90 PSI
Cubic Feet Per Minute
4.0 CFM @ 90 PSI
Anvil Retainer Type
Hog Ring
Air Inlet Size
1/4”-18 NPT
Inlet Screen
20-Mesh or Finer
Bolt Size
Standard, 7/16”
Hose Size
3/8” I.D.
Regulator Settings
Forward 1, Forward 2, Forward 3.
Reverse
Weight 2.7
Pounds