Page 1
44-PIECE AIR TOOL KIT
WARNING! Some dust created by using power tools contains chemicals known to the state of
California to cause cancer and birth defects or other reproductive harm. This product contains one
or more chemicals known to the State of California to cause cancer and birth defects or other
reproductive harm. Wash hands after handling.
OPERATOR’S MANUAL
PLUGS
SPORTS
NEEDLES
SAFETY
NOZZLE
TAPERED
NOZZLE
RUBBER
NOZZLE
GRINDING STONES
WRENCHES
OIL BOTTLE
TAPE SEAL
IMPACT SOCKETS
ADAPTOR
COLLET
EXTENSION BAR
24 mm
11 mm 9 mm
22 mm
17 mm
14 mm
50-PSI GAUGE
DUAL TIRE CHUCK
CHISELS
HAMMER
BLOW GUN
DIE GRINDER
IMPACT
RATCHET
EX4405KIT
Page 2
44-PIECE AIR TOOL KIT
TABLE OF CONTENTS
GENERAL SAFETY RULES.........................................................................................2
AIR SUPPLY..................................................................................................................5
PRODUCT DESCIPTION..............................................................................................7
TECHNICAL SPECIFICATIONS.................................................................................10
ASSEMBLY..................................................................................................................11
1/2” Air Impact Wrench...............................................................................11
3/8” Air Ratchet Wrench.............................................................................13
Air Hammer..................................................................................................14
1/4“ Air Die Grinder.....................................................................................16
OPERATION...............................................................................................................19
1/2” Air Impact Wrench..............................................................................19
3/8” Air Ratchet Wrench.............................................................................20
Air Hammer..................................................................................................21
1/4“ Air Die Grinder.....................................................................................22
TROUBLESHOOTING................................................................................................23
CARE AND MAINTENACE.........................................................................................23
EXPLODED DIAGRAMS AND PARTS LISTS...........................................................24
1/2” Air Impact Wrench...............................................................................24
3/8” Air Ratchet Wrench.............................................................................25
Air Hammer..................................................................................................26
1/4” Air Die Grinder.....................................................................................27
WARRANTY................................................................................................................28
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44-PIECE AIR TOOL KIT
GENERAL SAFETY RULES
WARNING!
● Improper operation or maintenance of this tool could result in
personal injury and/or property damage. Read and understand all
warnings and operation instructions before using this tool.
● When using this tool, these basic safety precautions should always
be followed to reduce the risk of personal injury and/or property
damage.
Workplace conditons
1. Always work in a clean, dry, well-ventilated area free of combustible materials.
Never operate the tool near flammable substances such as gasoline, naphtha,
cleaning solvent, etc.
2. Dress properly. Do not wear loose clothing. Tie up or cover long hair, remove any
jewelry, necklaces, etc., which might become caught by the tool.
3. Keep the work area well lit and free of clutter. Slips, trips and falls are major causes
of workplace injury. Be aware of excess air hose left on your walking way or on the
working surface.
4. Ensure that there are no electrical cables, gas pipes, etc., which can cause a
hazard if damaged by use of the tool.
5. Keep visitors a safe distance from the work area. Keep children away.
Use of air tools
1. Stay alert and use common sense. Watch what you are doing. Do not operate the
tool when you are tired or under the influence of alcohol, drugs or medication.
2. Do not overreach. Keep proper footing and balance at all times.
3. Always wear eye protectors which provides protection from flying particles from the
front and side when using the tool. Ear protectors should also be worn.
4. Never use oxygen, carbon dioxide, combustible gases or any other type of bottled
gases as a power source for this tool.
5. Always verify prior to using this tool that the air source has been adjusted to the
rated air pressure range. Never connect to an air source that is capable of exceeding 200psi.
6. Do not connect the air supply hose to the tool with your finger on the trigger.
7. Do not exceed the maximum working pressure 90psi/6.3bar for the tool. Excessive
pressure will reduce the tool life and/or might cause a hazardous situation.
8. Never leave the operating tool unattended. Disconnect the air hose when the tool is
not in use.
9. Keep the air supply hose away from heat, oil and sharp edges.
10. Check the air supply hose for wear and/or leaks before each use. Make sure that
all connections are tight and secure.
11. Do not use the tool for any other than its intended use.
12. Do not carry out any alternations and/or modifications to the tool.
13. Always disconnect the tool from air supply before replacing any accessories,
performing any repair and maintenance, moving to another work area, or passing
the tool to another person.
2
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44-PIECE AIR TOOL KIT
Air impact wrench safety instructions
1. Always use the impact wrench in the manner and for the functions described in this
manual.
2. Always ensure the wrench is not moving and disconnected from the air supply
when changing sockets etc. Only use impact sockets. Do not use standard
sockets.
3. Always finish tightening wheel nuts or engine parts with a torque wrench or suitable
spanner to the correct torque as recommended by the vehicle manufacturer.
4. Always avoid excessive use of the impact wrench. When tightening a nut or bolt,
never allow the wrench to impact more than 8 times. This is to avoid over-tightening. 3 to 4 impacts is normally sufficient.
5. Always ensure that the socket is correctly installed onto the tool anvil before
starting the tool.
6. Due to the possible presence of asbestos dust from brake linings, always wear
suitable respiratory protection.
7. Never carry the impact wrench by the air supply hose.
8. Always disconnect the tool from the air supply when changing impact sockets or
when the wrench is not required for immediate use in order to avoid accidental
start.
9. Hold the tool correctly. Always use both hands to control the impact wrench.
10. Always ensure that the wrench has come to a complete stop before putting it
down after use.
11. If necessary, use clamps or proper devices to securely fix the workpiece when
installing/tightening or removing/loosening threaded fasteners on the workpiece.
12. For overhead work, wear a safety helmet.
13. Do not discard the safety instructions, give them to the operator.
14. Always store this product in a dry and safe place out of reach of children or
untrained operators.
14. Never use the tool if it is defective, damaged, or operating abnormally.
15. Check for misalignment or binding of moving parts, breakage of parts and any
other condition that affects the tool operation. If damaged, have the tool serviced
before using.
16. Keep working parts of the tool away from hands and body.
17. Do not carry the tool by the air hose.
18. Do not apply excessive force of any kind to the tool. Let the tool perform the work
at the rate as it was designed.
19. Do not remove any labels on the tool. Replace if they become obscured or
damaged.
20. Always maintain the tool with care. Keep it clean for the best and safest perfor-
mance.
21. It is not recommended that quick change couplings should be located directly at
the air inlet, as they add weight and could fail due to vibration.
22. This tool vibrates with use. Continuous operation of this tool might be harmful to
your hands or arms. Stop using the tool if discomfort, a tingling feeling or pain
occurs. Resume work after recovery. Seek medical advice if a serious symptom
occurs.
3
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44-PIECE AIR TOOL KIT
Air ratchet wrench safety instructions
1. Always use the ratchet wrench in the manner and for the functions described in this
manual.
2. Always ensure the wrench is not moving and disconnected from the air supply
when changing sockets etc. Only use impact sockets. Do not use standard
sockets.
3. Always finish tightening threaded fasteners, bolts or nuts, or engine parts with a
calibrated torque wrench by hand to the correct torque as recommended by the
manufacturer where critical torque values are required.
4. Where critical torque values are not required, the final tightening of threaded
fasteners, bolts or nuts can be slightly tighter if gaskets are used between surfaces.
5. Use penetrating oil to assist in freeing off rusted fasteners, bolts and nuts if
necessary.
6. When assembling, first turn fasteners, bolts or nuts by hand onto workpiece. Then
start the tool for tightening.
7. Always ensure that the socket is correctly installed onto the tool anvil before
starting the tool.
8. Never carry the ratchet wrench by the air supply hose.
9. Always disconnect the tool from the air supply when changing sockets or when the
wrench is not required for immediate use in order to avoid accidental start.
10. Always ensure that the wrench has come to a complete stop before putting it
down after use.
11. If necessary, use clamps or proper devices to securely fix the workpiece when
installing/tightening or removing/loosening threaded fasteners on the workpiece.
12. For overhead work, wear a safety helmet.
13. Do not discard the safety instructions, give them to the operator.
14. Always store this product in a dry and safe place out of reach of children or
untrained operators.
Air hammer safety instructions
1. Always use the air hammer in the manner and for the functions described in this
manual.
2. Always ensure the tool is disconnected from the air supply when changing chisels.
3. Only use qualified chisels with sharp point or edge. Never use blunt chisels which
require excessive pressure and can break from fatigue.
4. Always ensure that the chisel is correctly installed onto the tool before starting the
tool.
5. Never contact the chisel during and after use as it can be hot and sharp. Wear
suitable gloves to protect hands.
6. If necessary, use clamps or proper devices to securely fix the workpiece.
7. Hold the tool firmly. Always use both hands to control the air hammer.
8. Make sure that there are no hidden electrical cables, gas pipes etc. inside or
around the workpiece to be free of a hazard if damaged by action of the chisels.
9. Never carry the tool by the air supply hose.
10. Always disconnect the tool from the air supply when the tool is not required for
immediate use in order to avoid accidental start.
11. Always ensure that the tool has come to a complete stop before putting it down
after use.
12. Do not discard the safety instructions, give them to the operator.
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44-PIECE AIR TOOL KIT
13. Always store this product in a dry and safe place out of reach of children or
untrained operators.
Air die grinder safety instructions
1. Always use the die grinder in the manner and for the functions described in this
manual.
2. Always ensure the grinder is not moving and disconnected from the air supply when
changing grinding stones etc.
3. Only use qualified grinding stones. Never use chipped or cracked grinding stones.
4. Always ensure that the grinding stone is correctly installed onto the tool before
starting the tool.
5. Avoid direct contact with the grinding stone during and after use as it can be hot
and sharp. Wear suitable gloves to protect hands.
6. Use respiratory protection when working in certain materials which creates
emission of dust and fumes.
7. If necessary, use clamps or proper devices to securely fix the workpiece.
8. Never carry the grinder by the air supply hose.
9. Always disconnect the tool from the air supply when the grinder is not required for
immediate use in order to avoid accidental start.
10. Always ensure that the grinder has come to a complete stop before putting it down
after use.
11. Do not discard the safety instructions, give them to the operator.
12. Always store this product in a dry and safe place out of reach of children or
untrained operators.
WARNING! Compressed air can be dangerous. Ensure that you
are familiar with all precautions relating to the use of compressors and compressed air supply.
1. Use only clean, dry, regulated compressed air as the power source.
2. Make sure that the air compressor being used for the tool operation supplies the
correct output (CFM).
3. Have the tool in "off" position when connecting the tool to the air supply.
4. Use normal 90psi working pressure for the tool. High pressure and unclean air will
shorten the tool life due to the faster wear and also may create a safety hazard.
5. Drain water from the air compressor tank daily, as well as any condensation in the
air lines. Water in the air line may enter the tool and cause damage to the tool
mechanisms at operation.
6. Clean the tool air inlet screen filter for blockage weekly. Clean if necessary.
7. Usually a 3/8" (inner diameter) air hose is recommended for air supply and airflow
to get the optimum performance of tool.
8. A long air hose (usually over 25 feet) may cause up to 15psi drop in pressure, so
you need to set the output pressure of the air compressor higher to maintain the
required working pressure at the tool.
AIR SUPPLY
Please refer to the typical air system layout recommended below.
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44-PIECE AIR TOOL KIT
9. Use proper hoses and fittings. We do not suggest connecting quick change
couplings directly to the tool since they may cause failure due to tool vibration at
operation. Instead, add a lead hose and connect coupling between air supply and
hose whip.
10. Check hoses for wear before each use. Make certain that all connections are in
security.
6. Shut Off Valve
7. Whip Hose
8. Coupler Body And Connector
9. Drain Daily
10. 1/2" Or Larger Pipe And Fitting
AIR SYSTEM LAYOUT：
1. Air Tool
2. Air Hose 3/8" (I.D.)
3. Oiler
4. Pressure Regulator
5. Filter
11. Air Dryer
12. 1" Or Larger Pipe And Fitting
13. Air Compressor
14. Auto Drain
15. Drain Daily
6
9
13
14
15
8
7
12
10
5
4
3
2
11
1
6
Page 8
44-PIECE AIR TOOL KIT
PRODUCT DESCRIPTION
DESCRIPTION
QUANTITY
PART
Female Plug
Safety Nozzle
Tapered Nozzle
Sports needle
Rubber Nozzle
Grinding Stone
Grinding Stone
Seal Tape
50-psi Tire Gauge
Dual Tire Chuck
Chisel
1/2" Air Impact Wrench
3/8" Air Ratchet Wrench
1
1
1
2
1
5
5
1
1
1
2
1
1
A
B
C
D
E
F
G
H
I
J
K
L
M
DESCRIPTIONPART
QUANTITY
Case
1/4" Air Die Grinder
Blow Gun
Spring Retainer
Air Hammer
1/2" Impact Socket
Collet
3/8" to 1/2" Adapter
1/2" Extension Bar
Oil Bottle
Wrench
Male Plug
1
1
1
1
1
6
1
1
1
1
2
5
N
O
P
Q
R
S
T
U
V
W
X
Y
PLUGS
SPORTS
NEEDLES
SAFETY
NOZZLE
TAPERED
NOZZLE
RUBBER
NOZZLE
GRINDING STONES
WRENCHES
OIL BOTTLE
TAPE SEAL
IMPACT SOCKETS
ADAPTOR
COLLET
EXTENSION BAR
24 mm
11 mm 9 mm
22 mm
17 mm
14 mm
50-PSI GAUGE
DUAL TIRE CHUCK
CHISELS
HAMMER
BLOW GUN
DIE GRINDER
IMPACT
RATCHET
Y
F
G
H
I
J
K
D
E
CB
A
X
W
S
T
U
V
R
P
O
L
M
Q
N
(1/4" Shank)
(1/8" Shank)
7
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44-PIECE AIR TOOL KIT
A1
DESCRIPTION
QUANTITY
PART
1/2" Air Impact Wrench
Air Inlet
Trigger
Grease Cap
Anvil
Forward/Reverse Rotation Control
1
1
1
1
1
1
A1
B1
C1
D1
E1
F1
1/2" AIR IMPACT WRENCH
3/8" AIR RATCHET WRENCH
DESCRIPTION
QUANTITY
PART
F/R Knob
Exhaust Deflector
3/8" Air Ratchet Wrench
Steel Ball
Air Inlet
Air Regulator
Trigger
Anvil
1
1
1
1
1
1
1
1
A2
B2
C2
D2
E2
F2
G2
H2
B1
C1
A2
B2
C2
D2
E2
F2
G2
H2
D1
E1
F1
8
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44-PIECE AIR TOOL KIT
1/4" AIR DIE GRINDER
DESCRIPTION
QUANTITY
PART
Lever
Trigger
Exhaust Deflector
Steel Ball
Air Inlet
Air Regulator
1/4" Air Die Grinder
Collet Holder
Collet Jacket
Collet
1
1
1
1
1
1
1
1
1
1
A4
B4
C4
D4
E4
F4
G4
H4
I4
J4
A4
B4
C4
D4
E4
F4
G4
H4
I4
J4
AIR HAMMER
DESCRIPTION
QUANTITY
PART
Air Inlet
Cylinder
Air Hammer
Trigger
1
1
1
1
A3
B3
C3
D3
B3
C3
D3
A3
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44-PIECE AIR TOOL KIT
TECHNICAL SPECIFICATIONS
1/2" AIR IMPACT WRENCH
3/8" AIR RATCHET WRENCH
1/4" AIR DIE GRINDER
AIR HAMMER
SPECIFICATIONS
COMPONENT
1/2"
7,000rpm
500Ft-Lb (680Nm)
1/4" NPT
3/8"
6.5cfm
90psi (6.3bar)
Square drive
Maximum no load speed
Maximum torque
Air inlet
Air hose (inner diameter)
Average air consumption
Working pressure
SPECIFICATIONS
COMPONENT
3/8"
160rpm
60Ft-Lb (85Nm)
1/4" NPT
3/8"
4cfm
90psi (6.3bar)
Square drive
Maximum no load speed
Maximum torque
Air inlet
Air hose (inner diameter)
Average air consumption
Working pressure
SPECIFICATIONS
COMPONENT
0.4" (10.2mm)
1-5/8" (41mm)
4,500bpm
1/4" NPT
3/8"
4.5cfm
90psi (6.3bar)
Chisel shank
Stroke length
Blow per min
Air inlet
Air hose (inner diameter)
Average air consumption
Working pressure
SPECIFICATIONS
COMPONENT
25,000rpm
1/4", 1/8"
1/4" NPT
3/8"
4cfm
90psi (6.3bar)
Maximum no load speed
Collets
Air inlet
Air hose (inner diameter)
Average air consumption
Working pressure
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44-PIECE AIR TOOL KIT
ASSEMBLY
C1
2
3
1. Remove the air inlet protective cap from the
air inlet (C1). (See Figure 1)
2. Mount a male plug by hand into the air
inlet (C1). (See Figure 2)
3. Place 2 - 3 drops of air tool oil into the male
plug before each use. (See Figure 3)
C1
1
NOTE: Use thread sealant tape
on the male plug and tighten it with
a wrench for airtight connection.
Do not overtighten.
1/2" AIR IMPACT WRENCH
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44-PIECE AIR TOOL KIT
V
S
5
F1
S
4
6
4. Choose the correct impact socket (S) as
needed and mount it onto the anvil (F1).
(See Figure 4)
5. If necessary, use the 1/2" extension bar (V)
and then mount impact socket onto the bar.
(See Figure 5)
6. Connect air supply hose to the male plug.
(See Figure 6)
7. Set the working pressure at 90psi/6.3bar for
best tool performance.
NOTE: Working pressure refers to the
air line pressure set to tool when tool
is under working conditions.
WARNING! Only use impact sockets
that have a RPM and Torque rating
equal to or greater than the tool itself.
12
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44-PIECE AIR TOOL KIT
3/8" AIR RATCHET WRENCH
E2
8
9
E2
7
1. Remove the air inlet protective cap from the
air inlet (E2). (See Figure 7)
2. Mount the male plug by hand into the air
inlet (E2). (See Figure 8)
NOTE: Use thread sealant tape
on the male plug and tighten it with
a wrench for airtight connection.
Do not overtighten.
3. Place 2 - 3 drops of air tool oil into the male
plug before each use. (See Figure 9)
13
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44-PIECE AIR TOOL KIT
AIR HAMMER
A3
12
1. Remove the air inlet protective cap from the
air inlet (A3). (See Figure 12)
11
10
4. Choose the correct impact socket (S) as
needed and mount it onto the anvil (H2).
(See Figure 10)
5. Connect air supply hose to the male plug.
(See Figure 11)
WARNING! Only use impact sockets
that have a RPM and Torque rating
equal to or greater than the tool itself.
6. Set the working pressure at 90psi/6.3bar for
best tool performance.
NOTE: Working pressure refers to the
air line pressure set to tool when tool
is under working conditions.
H2
S
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44-PIECE AIR TOOL KIT
A3
13
14
K
B3
15
4. Insert a chisel (K) into the opening of
cylinder (B3). (See Figure 15)
2. Mount the male plug by hand into the air
inlet (A3). (See Figure 13)
NOTE: Use thread sealant tape
on the male plug and tighten it with
a wrench for airtight connection.
Do not overtighten.
3. Place 2 - 3 drops of air tool oil into the male
plug before each use. (See Figure 14)
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44-PIECE AIR TOOL KIT
1/4" AIR DIE GRINDER
E4
18
1. Remove the air inlet protective cap from the
air inlet (E4). (See Figure 18)
Q
B3
16
17
5. Screw the spring retainer (Q) onto the
cylinder (B3) and firmly secure it.
(See Figure 16)
6. Connect air supply hose to the male plug.
(See Figure 17)
7. Set the working pressure at 90psi/6.3bar for
best tool performance.
NOTE: Working pressure refers to the
air line pressure set to tool when tool
is under working conditions.
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44-PIECE AIR TOOL KIT
E4
19
20
3. Place 2 - 3 drops of air tool oil into the male
plug before each use. (See Figure 20)
H4
I4
21
4. Loosen the collet jacket (I4) counterclockwise
by hand or with the large wrench while holding
the small wrench on the flats of the collet
holder (H4). (See Figure 21)
2. Mount a male plug by hand into the air
inlet (E4). (See Figure 19)
NOTE: Use thread sealant tape
on the male plug and tighten it with
a wrench for airtight connection.
Do not overtighten.
17
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44-PIECE AIR TOOL KIT
I
H4
I4
J4
F/G
22
23
24
7. Connect air supply hose to the male plug.
(See Figure 24)
8.
Set the working pressure at 90psi/6.3bar for
best tool performance.
NOTE: Working pressure refers to the
air line pressure set to tool when tool
is under working conditions.
5. Insert a grinding stone (F/G) into the
collet (J4). (See Figure 22)
NOTE: Two collets of different
sizes (1/4", 1/8") are provided.
Select whichever fits the shank of the
stone you have chosen.
6. Tighten the collet jacket (I4) clockwise with large
wrench while holding the small wrench on the
flats of the collet holder (H4). Make sure that
the grinding stone is installed securely and
tightly. (See Figure 23)
WARNING! Only use grinding
accessories that have a RPM and
Torque rating equal to or greater than
the tool itself.
18
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44-PIECE AIR TOOL KIT
B1
D1
B1
D1
B1
D1
OPERATION
25
26
27
1/2" AIR IMPACT WRENCH
Torque in Forward
135 ft-lbs (+/- 10%)
440 ft-lbs (+/- 10%)
500 ft-lbs (+/- 10%)
Torque in Reverse
515 ft-lb (+/- 10%)
Setting
1st Click
2nd Click
3rd Click
1. How to install/tighten threaded fasteners.
Push the Forward/Reverse rotation control (B1)
forward and have the arrow on the Forward/
Reverse rotation control (B1) pointing at either
of the three dots on the back housing as
shown. Press the trigger (D1). The tool
anvil (F1) runs clockwise. (See Figure 25)
2. How to remove/loosen threaded fasteners.
Push the Forward/Reverse rotation control (B1)
backward and have the arrow on the Forward/
Reverse rotation control (B1) pointing at the dot
on the back housing as shown. Press the
trigger (D1). The tool anvil (F1) runs
counterclockwise. (See Figure 26)
NOTE: This tool features a power
regulator valve. Turn the Forward/
Reverse rotation control (B1) slowly
forward and three clicks will be
detected. The three clicks do not
denote a specific power output but are
only for reference. The first click stands
for the least amount of power, which is
suitable for just mounting threaded
fasteners on workpiece. The third click
stands for the most amount of power,
which is for tightening threaded
fasteners on workpiece. This tool
operates in maximum power in reverse,
which releases threaded fasteners from
workpiece with ease. Choose the
correct torque needed on workpiece
when mounting or releasing threaded
fasteners by understanding the
reference torque listed below.
(See Figure 27)
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44-PIECE AIR TOOL KIT
28
E1
3/8" AIR RATCHET WRENCH
A2
H2
G2
29
1. How to install/tighten threaded fasteners.
Turn the F/R knob (A2) counterclockwise to “F”
position (F=Forward or Tighten). Press the
trigger (G2). The tool anvil (H2) runs clockwise.
(See Figure 29)
A2
H2
G2
2. How to remove/loosen threaded fasteners.
Turn the F/R knob (A2) clockwise to “R” position
(R=Reverse or Loosen). Press the trigger (G2).
The tool anvil (H2) runs counterclockwise.
(See Figure 30)
30
NOTE: This tool also features a grease
cap (E) on the protector cover. Remove
the screw in the grease cap (E1) with a
hex key (not provided). Use a grease
gun (not provided) and insert the gun
nozzle into the grease cap (E1). Several
drops of grease are recommended for
lubricating the internal hammer
assembly. This will help the hammer
assembly to work in good condition and
extend tool life. Lubricate the hammer
assembly once every working day.
(See Figure 28)
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44-PIECE AIR TOOL KIT
B2
32
31
D2
F2
E2
AIR HAMMER
D3
33
NOTE: This tool features a power
regulator valve. Rotate the air regulator
(F2) until desired output is achieved. The
settings 1, 2, 3, 4 are only for reference
and do not denote a specific power
output. “Setting 1” (one-line symbol) is
the least amount of power while
“Setting 4” (four-line symbol) is the most
amount of power. Rotate the air
regulator (F2) until the desired setting is
lined up with the small steel ball (D2) on
air inlet (E2). (See Figure 31)
NOTE: This tool features an exhaust
deflector (B2) 9 which can be rotated to
any position to direct air away from
workpiece or operator. (See Figure 32)
1. Hold the tool firmly with both hands. Bring the
tool towards the workpiece at an angle of
60-70 degrees approximately.
2. Press the trigger (D3) slowly with the chisel in
light contact with the workpiece. (See Figure 33)
3. Slowly move the chisel across the workpiece
surface.
NOTE: When removing scale, rust or
other contaminants, you only need to
apply a light force on the tool.
NOTE: Keep the chisel contacting the workpiece while you are releasing
the trigger to stop operation. The tool may impact briefly after the trigger
is released.
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44-PIECE AIR TOOL KIT
1/4" AIR DIE GRINDER
Push lever (A4) forward and press down on the
trigger (B4) to start the tool (G4). (See Figure 34)
G4
B4
A4
34
E4
D4
F4
35
C4
36
NOTE: This tool features a power
regulator valve. Rotate the air regulator
(F4) until desired output is achieved. The
settings 1, 2, 3, 4 are only for reference
and do not denote a specific power
output. “Setting 1” (one-line symbol) is
the lowest speed while “Setting 4”
(four-line symbol) is the highest speed.
Rotate the air regulator (F4) until the
desired setting is lined up with the small
steel ball (D4) on air inlet (E4).
(See Figure 35)
NOTE: This tool also features an
exhaust deflector (C4) which is rotatable
to direct air away in any directions.
(See Figure 36)
22
Page 24
44-PIECE AIR TOOL KIT
1. Flush the tool with air-tool oil or gum
solvent.
2. Lubricate the tool.
3. a. Adjust the regulator on the tool to
maximum setting.
b. Adjust the compressor regulator to tool
maximum of 90 PSI/6.3 BAR.
4. Tighten and seal hose fittings if leaks are
found. Use sealing tape.
5. a. Be sure the hose is the proper size.
Long hose or tools using large volumes
of air may require a hose with an I.D. of
1/2 in. or larger depending on the total
length of the hoses.
b. Do not use a multiple number of hoses
connected together with quick-connect
fittings. This causes additional pressure
drops and reduces the tool power.
Directly connect the hoses together.
6. Replace rotor blade.
7. Water in tank; drain tank. (See air
compressor manual). Oil tool and run
until no water is evident. Oil tool again
and run 1-2 seconds.
Tool runs
slowly or will
not operate
1. Grit or gum in tool.
2. No oil in tool.
3. Low air pressure.
4. Air hose leaks.
5. Pressure drops.
6. Worn rotor blade.
7. Moisture blowing
out of tool exhaust.
PROBLEM
TROUBLESHOOTING
CORRECTIVE ACTIONPOSSIBLE CAUSE
CARE AND MAINTENANCE
An in-line oiler is recommended to be installed on air supply line as it increases tool
life and keeps the tool in sustained operation. The in-line oiler should be regularly
checked and filled with air-tool oil. Proper adjustment of the in-line oiler is performed
by placing a sheet of paper next to the tool's exhaust ports and holding the throttle
open approximately 30 seconds. The in-line oiler is properly set when a light stain of
oil collects on the paper. Excessive amounts of oil should be avoided.
In the event that it becomes necessary to store the tool for an extended period of
time, it should receive a generous amount of lubrication at that time. The tool should
be run for approximately 30 seconds to ensure oil has been evenly distributed
throughout the tool. The tool should be stored in a clean and dry environment.
Recommended lubricants: use air-tool oil or any other high-grade turbine oil
containing moisture absorbent, rust inhibitors, metal wetting agents and an EP
(extreme pressure) additive.
Clean the tool all over with a cotton rag after each use. Keep the tool in a dry and
safe place out of reach of children.
23
Page 25
44-PIECE AIR TOOL KIT
EXPLODED DIAGRAM AND PARTS LIST
1/2" AIR IMPACT WRENCH
Part No.
Description
Qty.
Part No.
Description
Qty.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
Main housing*
Housing cover*
Bushing*
Screw*
F/R switch*
Screw*
Gasket*
Fix nut - EX1250IW-08
Spacer*
Throttle valve*
Spring - EX1250IW-11
Muffler*
Cushion*
Air inlet*
Soft grip*
Soft grip*
Spring*
O-ring*
Trigger*
Bolt*
O-ring*
Air flow regulator*
Gasket*
Valve seat*
Spring*
Steel ball*
1
1
4
4
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
Bushing*
Gasket*
E-clip*
Bearing*
Cylinder *
Steel ball*
Rotor*
Rotor blade - EX1250IW-34
Front cover*
Bolt*
O-ring*
Spacer*
Bearing*
Gasket*
Hammer case*
Dowel pin*
Hammer dog*
Anvil*
O-ring*
Anvil clip*
Anvil bushing*
Front housing*
Screw*
O-ring*
Grease cap*
1
1
1
1
1
2
1
6
1
1
1
1
1
1
1
2
2
1
1
1
1
1
4
1
1
24
*Replacement part not available
Page 26
44-PIECE AIR TOOL KIT
3/8" AIR RATCHET WRENCH
EXPLODED DIAGRAM AND PARTS LIST
Part No.
Description
Qty.
Part No.
Description
Qty.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
Main housing*
Bolt*
Trigger - EX3860AR1-03
Bolt*
Soft grip*
Rear cover*
Valve seat - EX3860AR1-08
Bolt*
Throttle valve*
Spring*
Screw cap*
O-ring*
Air regulator*
Set plate*
O-ring*
Set plate*
Gasket*
Air inlet*
Front cover*
Clip*
O-ring*
Exhaust deflector*
Bearing cap*
Bearing*
Rear plate*
Rotor*
Rotor blade - EX3860AR1-26
Cylinder*
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
4
1
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
Pin*
Front plate*
Bearing*
Washer*
Thread ring gear*
Idle gear*
Gear pin*
Gear plate*
Clamp nut*
Ring gear*
Bushing*
Crankshaft*
Drive bushing*
Ratchet housing*
Ratchet yoke*
F/R knob*
Sleeve*
Spring - EX 3860AR2-46
Washer*
Ratchet head*
Pin*
Ratchet pawl*
Thrust washer*
Retainer spring*
Spring*
Steel ball*
Spring- EX3860AR2-55
Steel ball*
1
1
1
1
1
3
3
1
1
1
1
1
1
1
1
1
2
2
1
1
2
2
1
1
1
1
2
2
27
26
20
19
6
5
2
55
56
51
52
48
50
49
54
53
45
47
46
44
43
42
33
39
7
25
29
9
24
23
10
22
21
32
31
30
1
28
41
40
37
35
36
34
38
3
4
8
18
16
15
17
14
13
12
11
25
*Replacement part not available
Page 27
44-PIECE AIR TOOL KIT
AIR HAMMER
EXPLODED DIAGRAM AND PARTS LIST
Part No.
Description
Qty.
Part No.
Description
Qty.
1
2
3
4
5
6
7
8
9
10
11
12
Housing*
Valve seat - EX0445AH1-05
Valve - EX0445AH1-06
End cap - EX0445AH1-07
Piston*
Cylinder*
Spring retainer*
Trigger sleeve*
Spring*
O-ring*
Trigger*
Set pin*
1
1
1
1
1
1
1
1
1
1
1
1
13
14
15
16
17
18
19
20
21
22
23
24
Plug*
Oil seal - EX1235IW-34
Pin*
Pin cover*
Spring - EX0445AH2-17
Washer*
Exhaust deflector*
Spacer*
Air inlet*
Soft grip*
Soft grip*
Chisel*
1
1
1
1
1
1
1
1
1
1
1
4
21
20
19
17
16
8
10
11
22
9
13
15
14
12
23
1
5
24
7
6
4
3
18
2
26
*Replacement part not available
Page 28
44-PIECE AIR TOOL KIT
1/4" AIR DIE GRINDER
EXPLODED DIAGRAM AND PARTS LIST
Part No.
Description
Qty.
Part No.
Description
Qty.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Housing*
Trigger*
Lever block*
Spring*
Bolt*
Trigger pin*
O-ring - EX1425DG1-08
O-ring - EX1425DG1-09
Valve stem*
Spring*
O-ring*
Screw nut*
Soft grip*
Plastic cover*
O-ring*
Muffler*
O-ring*
Air regulator*
O-ring*
Air inlet*
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
Pin*
Spring- EX1425DG2-22
Front cover*
Bearing*
Rear plate*
Bolt*
Rotor*
Rotor blade - EX1425DG1-30
Cylinder*
Bushing*
Front plate*
Steel ball*
Bearing*
Collet seat*
Set ring*
Protective cover*
Collet*
Collet jacket*
Small wrench*
Large wrench*
1
1
1
1
1
2
1
4
1
1
1
1
1
1
1
1
1
1
1
1
37
36
35
34
26
2
6
16
15
14
1
26
28
27
25
24
29
30
39
40
10
11
12
7
8
32
38
31
33
23
4
3
5
9
13
20
21
22
19
18
17
17
27
*Replacement part not available
Page 29
44-PIECE AIR TOOL KIT
MILTON INDUSTRIES AIR TOOL WARRANTY POLICY
For questions about our warranty on this product, contact us at:
MILTON INDUSTRIES, INC.
4500 W. CORTLAND STREET,
CHICAGO, IL 60639
Phone: 855-G04-MILT (855-464-6458)
www.exel-air.com
3 YEAR LIMITED WARRANTY
Please visit www.miltonindustries.com to register this product
for the 3-Year limited warranty oered by Milton.
To make any warranty claims or to learn more about the
3 year warranty please visit www.miltonindustries.com
28
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