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Maintenance - Central Pneumatic 91107 Operating Instructions Manual

3/8'' stubby air ratchet wrench

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Reverse Switch (35)
Ratchet Anvil (38)
Warning! Disconnect the Ratchet from the air source
when attaching and removing sockets (not included). There
is no safety lock mechanism on this tool; always disconnect
from the air source when not in use.
Refer to the photograph above.
1.
Attach a 3/8" drive socket (not included) to the Ratchet
Anvil (38).
2.
By following the directions on page 4, attach the Ratchet to the air source hose.
3.
While holding the Ratchet securely with both hands, gently press the Throttle Lever
(48) to activate the Ratchet. Do not force the unit; allow it to do the work for you. Do not
overtighten hardware with this item. To change direction (loosen vs. tighten), stop the
tool and move it away from the workpiece, then turn the Reverse Switch (35).
4.
To adjust the torque, readjust the air pressure by changing the setting on the compressor,
or, you can fine tune the air pressure by gently turning the Air Regulator (6) with a
standard screwdriver. Turn the knob toward "L" (Counterclockwise) for low and "H"
(Clockwise) for high. Turn the knob gently or you will break the plastic Air Regulator (6)
knob. Do not exceed the maximum air pressure of 90 PSI. See the Air Regulator Inset
above.
5.
When you are finished working, turn off the compressor and disconnect the air source
hose.
Warning! There may still be air in the Ratchet. Squeeze the Throttle Lever (48) and activate
the Ratchet to expel any air still inside the tool.
6.
Remove the socket (not included).
Warning! Always disconnect the Ratchet from the air source hose before attempting any

maintenance.

1. Wipe the unit down with a lint free cloth.
2. Periodically apply a high grade, light machine oil to the Trigger Pivot area (see above).
3. Make sure the Ratchet Anvil (38), the Air Inlet (1), and the Reverse Switch (35) are clear of
grease, dirt, or debris.
4. Store the Ratchet in a clean, dry location, out of reach of children.
SKU 91107
Operation (continued)
Throttle Lever (48)
Maintenance
Page 5
Air Regulator (6) (see inset below)
Trigger Pivot Area
Air Regulator Inset
L
Air Inlet (1)
H

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