Northern Industrial 139275 User Manual
Made in China
ITEM# 139275
3/8" REVERSIBLE AIR DRILL
USER'S MANUAL
Air Tools
Read carefully and understand all ASSEMBLY AND OPERATION INSTRUCTIONS before operating.
Failure to follow the safety rules and other basic safety precautions may result in serious personal injury.
4 of 5
3.When drilling metals, mark the point to be drilled using a centre punch to assist in
starting the hole in the correct place.
4.To prevent damage to drills, apply some coolant to the bit, but do not wet the tool itself.
5.When drilling wood, plastic, hard rubber or cast iron no lubricant is needed. Use light
mineral oil for brass or bronze, kerosene for aluminum. For steel and other metals use
soluble oil.
MAINTENANCE
WARNING!
Always disconnect the air supply before attempting any maintenance.
After disconnecting the air supply, squeeze the trigger to make sure no air remains in the
unit.
1.After each use, wipe down the drill with a lint-free cloth. Do not use solvents or harsh
detergents to clean the tool.
2.Make sure the air inlet is clean of dirt, grease, or debris.
WARNING!
If you encounter a problem with operation, stop using the tool
immediately. Disconnect tool from air supply before attempting any adjustment.
PART LIST
Description
Part#
Qty.
19
20
21
1
23
22
24
25
31
26
32
27
33
28
34
29
35
30
36
6
1
1
2
1
1
1
1
1
1
1
1
4
1
6
1
Pin
Front Plate
Washer
Gear
Gear
Pin
Gear Plate
Gear
Work Spindle
Tread Ring Gear
Bearing
Clamp Nut
Washer
Chuck
Chuck Screw
Handle
Brass Ring
Chuck Key
2
Description
Part#
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
1
1
1
3
1
1
1
1
1
1
2
1
2
Qty.
1
1
16
17
18
1
5
Housing
O-ring
O-ring
Valve Stem
O-ring
Bushing
Trigger Spring
Trigger
Trigger Screw
Pin
Muffler Cover
Screw
Air Inlet
Bearing
End Plate
Rotor
Rotor Blade
Cylinder
1
5 of 5
DIAGRAM