MODEL G8125
4" IMPACT WRENCH
INSTRUCTION SHEET
3
⁄
EyE/EAR INJURy HAzARD!
Wear safety glasses and
hearing protection when
using this tool!
Air Valve
Knob
INJURy HAzARD!
Always disconnect tool from
air to prevent unexpected
operation during service!
Reverse Valve
DO NOT EXCEED 120 PSI!
Personal injury could
occur.
Figure 1. Model G8125
SHATTERING HAzARD!
Use sockets rated for
impact wrench use only.
Air Supply
The model G8125 comes with a ⁄8"–1⁄4" NPT
adapter. For maximum results, we recommend
using a 3⁄8" air fitting and hose.
3
Specifications
Drive Size.........................................................3/4
"
Bolt Size Capacity .............................................1"
No-Load Speed .................................. 4,500 RPM
Maximum Torque .................................... 500 ft/lb
Air Inlet Size ................................... 3⁄8" or 1⁄4" NPT
Air Consumption...................................... 12 CFM
Operating Pressure ................................... 90 PSI
Weight .........................................................11 lbs
The impact wrench MuST be regularly lubricated
with 3-4 drops of air tool oil directly into the air fit-
ting before each use. For best results, we recom-
mend using an in line filter, lubricator, and regula-
tor, as shown in Figure 2.
Quick
Connector
Quick
Connector
Lubricator
Regulator
Operation
Your
Tool
Air
3
Install any ⁄4" drive socket onto your air impact
Compressor
wrench. To change direction, push the reverse
valve. To adjust the torque setting, turn the air
valve knob from 1 to 6, 1 being the lowest setting
(Figure 1). Connect to an air line regulated at 90
PSI.
Quick
Coupler
Quick
Coupler
Air Hose
Filter
Figure 2. Installing your tool.
If you need help with your new pneumatic tool,
call our Tech Support at: (570) 546-9663.
COPyRIGhT © MAy, 2008 By GRIzzLy INDuSTRIAL, INC.
WARNING: NO PORTION OF THIS MANUAL MAy bE REPRODUCED IN ANy SHAPE
OR FORM WITHOUT THE WRITTEN APPROvAL OF GRIzzLy INDUSTRIAL, INC.
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