Operation & Service Manual
823145 2/01
8DL & 8RDO Series Drills
Series:
8
Rotation:
Non Reversible
R
Drill:
Handle:
L
O
Gear Train Designation:
NORTH AMERICA EUROPE
CooperTools
P.O. Box 1410
Lexington, SC 29071
Reversible
Inline
(Lever)
Offset (Pistol)
3
7
9284050
14
8
XDX X- XX
- XX
Drill Chuck:
(3/8-24B) 1/4 Hex Quick Change
21
38
(3/8-24B)
(3/8-24B)
42
(3/8-24B)
43
(3/8-24B)
No Chuck (3/8-24B)
40
Generation:
B
Cooper Power Tools GmbH & Co.
Postfach 30
D-73461 Westhausen
1/4 Capacity
1/4 HD Capacity
3/8 HD Capacity
3/8 Capacity51
Concept
Second
1
Safety Recommendations
For your safety and the safety of others, read and understand the safety recommendations and operating instructions before operating a drill.
Always wear protective equipment:
WARNING!
Impact resistant eye protection
must be worn while operating
or working near this tool.
For additional information on eye protection and face
protection, refer to Federal OSHA Regulations, 29 Code
of Federal Regulations, Section 1910.133., Eye and Face
Protection, and American National Standards Institute,
ANSI Z87.1, Occupational and Educational Eye and Face
Protection. Z87.1 is available from the American National
Standards Institute, Inc., 11 West 42nd Street, New York,
NY 10036.
CAUTION!
Personal hearing protection is
recommended when operating
or working near this tool.
Hearing protection is recommended in high noise areas
85 dBA or greater. The operation of other tools and
equipment in the area, reflective surfaces, process noises
and resonant structures can substantially contribute to,
and increase the noise level in the area. Excessive air
pressure above 90 PSIG or worn motor components can
also increase sound level emitted by tool. Proper hearing
conservation measures, including annual audiograms
and training in the use and fit of hearing protection devices
may be necessary. For additional information on hearing
protection, refer to Federal Regulations, Section 1910.95,
Occupational Noise Exposure, and American National
Standards Institute, ANSI S12.6, Hearing Protectors.
!
WARNING
Wear respirator where
necessary.
Drilling operations may produce hazardous fumes and/or
dust. To avoid adverse health effects utilize adequate
ventilation and/or wear a respirator. Respirators should be
selected, fitted, used and maintained in accordance with
Occupational Safety and Health Administration and other
applicable regulations. Read the material safety data
sheet of any cutting fluids or materials involved in the
drilling process.
WARNING
!
Do not wear loose fitting clothes,
long hair, gloves, ties or jewelry.
Cleco drills are designed to operate on 90 psig (6.2 bar)
maximum air pressure. If the tool is properly sized and
applied, higher air pressure is unnecessary. Excessive air
pressure increases the loads and stresses on the tool
parts and may result in breakage. Installation of a filterregulator-lubricator in the air supply line ahead of the tool
is recommended.
Before the tool is connected to the air supply, check the
throttle for proper operation (i. e., throttle moves freely and
returns to closed position). Being careful not to endanger
adjacent personnel, clear the air hose of accumulated
dust and moisture. Before removing a tool from service or
changing a drill bit, tap, reamer, or any accessory make
sure the air line is shut off and drained of air. This will
prevent the tool from operating if the throttle is accidently
engaged.
CAUTION
!
• drill motor stalls by excessive load being applied to drill
bit or drill bit snags on material being drilled.
• on break-through when the drill bit passes through the
material being drilled. User must be prepared to resist
torque.
Sudden and high reaction torque may
be experienced with any drill if:
Follow good machine shop practices.
Rotating shafts and
moving components
can entangle and entrap, and can result
in serious injuries.
Never wear long hair,
loose-fitting clothes,
gloves, ties, or jewelry when working
with or near a drill of
any type.
2
Safety Recommendations
CAUTION
!
• Drill bits are sharp. Handle them carefully to avoid injury.
• Cutting tool maximum speed rating must equal or exceed
rated speed of tool.
• Drill bits or accessories not centered properly in the chuck
can cause excessive wobble or vibration.
• Use appropriately sized chuck key to securely tighten drill
bit, tap, or reamer in drill chuck. Always remove chuck key
before starting tool.
• Use care when drilling because of the possibility of the
cutting tool bending or breaking.
CAUTION
!
Tools equipped with chuck capacity over 1/4" should have
at least one handle offset at a right angle to drill axis to
counteract torque developed by tool. If tool is equipped with
a chuck over 3/8" capacity, two handles at right angles to
the drill axis should be used. One handle should contain the
tool throttle, such as pistol grip or offset handle models.
Always use a dead handle with low RPM — high torque
tools.
WARNING
!
Repetitive work motions and/or vibration
may cause injury to hands and arms.
Use minimum hand grip force consistent
with proper control and safe operation.
Keep body and hands warm and dry.
Avoid anything that inhibits blood circulation.
Avoid continuous vibration exposure.
Keep wrists straight.
Avoid repeated bending of wrists and hands.
Some individuals may be susceptible to disorders of the
hands and arms when performing tasks consisting of highly
repetitive motions and/or exposure to extended vibration.
Cumulative trauma disorders such as carpal tunnel syndrome and tendonitis can be caused or aggravated by
repetitious, forceful exertions of the hands and arms.
Vibration may contribute to a condition called Raynaud's
Syndrome. These disorders develop gradually over periods of weeks, months, and years. It is presently unknown
to what extent exposure to vibrations or repetitive motions
may contribute to the disorders. Hereditary factors,
vasculatory or circulatory problems, exposure to cold and
dampness, diet, smoking and work practices are thought to
contribute to the conditions. Any tool operator should be
aware of the following warning signs and symptoms so that
a problem can be addressed before it becomes a debilitating injury. Any user suffering prolonged symptoms of
tingling, numbness, blanching of fingers, clumsiness or
weakened grip, nocturnal pain in the hand, or any other
disorder of the shoulders, arms, wrists, or fingers is advised
to consult a physician. If it is determined that the symptoms
are job related or aggravated by movements and postures
dictated by the job design, it may be necessary for the
employer to take steps to prevent further occurrences.
These steps might include, but are not limited to, repositioning the workpiece or redesigning the workstation, reassigning workers to other jobs, rotating jobs, changing work
pace, and/or changing the type of tool used so as to
minimize stress on the operator. Some tasks may require
more than one type of tool to obtain the optimum operator/
tool/task relationship.
The following suggestions will help reduce or moderate the
effects of repetitive work motions and/or extended vibration
exposure:
• Use a minimum hand grip force consistent with proper
control and safe operation
• Keep body and hands warm and dry (cold weather is
reported to be a major factor contributing to Raynaud's
Syndrome)
• Avoid anything that inhibits blood circulation
—Smoking Tobacco (another contributing
factor)
—Cold Temperatures
—Certain Drugs
• Tasks should be performed in such a manner that the
wrists are maintained in a neutral position, which is
not flexed, hyperextended, or turned side to side.
Avoid Avoid
Extension
• Stressful postures should be avoided — select a tool
appropriate for the job and work location
• Avoid highly repetitive movements of hands and wrists,
and continuous vibration exposure (after each period of
operation, exercise to increase blood circulation)
• Keep tool well maintained and replace worn parts
OK Avoid OK
Neutral
Flexion Radial Deviation
Neutral Ulnar Deviation
Avoid
3
Safety Recommendations
Work gloves with vibration reducing liners and wrist supports are available from some manufacturers of industrial
work gloves. Tool wraps and grips are also available from
a number of different manufacturers. These gloves, wraps,
and wrist supports are designed to reduce and moderate
the effects of extended vibration exposure and repetitive
wrist trauma. Since they vary widely in design, material,
thickness, vibration reduction, and wrist support qualities,
it is recommended that the glove, tool wrap, or wrist support
manufacturer be consulted for items designed for your
specific application. WARNING! Proper fit of gloves is
important. Improperly fitted gloves may restrict blood
flow to the fingers and can substantially reduce grip
strength.
Warning Labels
The warning labels found on these tools are an essential
part of this product. Labels should not be removed. Labels
should be checked periodically for legibility. Replace warning labels when missing or when the information can no
longer be read. Replacement labels can be ordered as any
spare part.
READ
OPERATING
INSTRUCTIONS
203185-4
203185
WARNING!
Impact resistant eye protection
Read Operating Instructions carefully. Follow
the Safety Recommendations for your safety
and the safety of others.
Do not remove this tag until
the operator of this tool has
read these safety precautions.
CAUTION!
Personal hearing protection is
must be worn while operating
or working near this tool.
recommended when operating
or working near this tool.
Hearing protection is recommended in high noise
areas (above 85 dBA). Close proximity of other
tools, reflective surfaces, process noises, and
OVER
WARNING
!
Avoid repeated bending of wrists and hands.
Repetitive work motions and/or vibration
can cause injury to hands and arms.
Use minimum hand grip force consistent with
proper control and safe operation.
Keep body and hands warm and dry.
Avoid anything that inhibits blood circulation.
Avoid continuous vibration exposure.
Keep wrists straight.
resonant structures can substantially contribute
to the sound level experienced by the user.
203287
This information is a compilation of general safety practices
obtained from various sources available at the date of
production. However, our company does not represent
that every acceptable safety practice is offered herein, or
that abnormal or unusual circumstances may not warrant
or require additional procedures. Your work may require
additional specific safety procedures. Follow these procedures as required by your company. For more information,
see the latest edition of ANSI B186.1, Safety Code for
Portable Air Tools, available from the American National
Standards Institute, Inc., 11 West 42nd Street, New York,
NY 10036.
4
OPERATING INSTRUCTIONS
FOR YOUR SAFETY AND THE SAFETY OF OTHERS READ AND UNDERSTAND THE SAFETY
RECOMMENDATIONS ON PAGES 2 thru 4 BEFORE OPERATING A DRILL.
OPERATION
The No. 8 Series drills are designed to operate on 90 psig air
pressure. They should be connected to a 1/4" hose up to 8'
in length. If additional length is required, a 3/8" or larger hose
should be connected to the 1/4" hose.
Pistol grip drills are started by pulling the trigger and stopped
by releasing the trigger. Lever operated drills start by depressing the lever and stop by releasing it.
LUBRICATION
An automatic in-line filter-lubricator is recommended as it
increases tool life and keeps the tool in sustained operation.
The in-line lubricator should be regularly checked and filled
with a good grade of 10W machine oil. Proper adjustment of
the in-line lubricator is performed by placing a sheet of paper
next to the exhaust ports and holding the throttle open
approximately 30 seconds. The lubricator 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 (overnight, weekend, etc.), it
should receive a generous amount of lubrication at that time
and again when returned to service. The tool should be
stored in a clean and dry environment.
Application of the tool should govern how frequently it is
greased. It is recommended that the idler gears, gear pins
and bearings receive a generous amount of NLGI 2-EP
grease. Grease is applied by unscrewing (left hand threads)
the spindle bearing retainer, No. 202031, and removing the
gear train from the front of the gear case.
5
SERVICE INSTRUCTIONS — DISASSEMBLY
DISASSEMBLY - GENERAL - ALL MODELS
Non-Reversible Models
Insert a hex wrench into the drill chuck and tighten the chuck
securely. Use a suitable hammer to strike the hex wrench
sharply in a counterclockwise direction when facing the
chuck. Remove the drill chuck from the spindle. Unscrew
and remove the gear case. The motor unit may now be
removed from the front of the handle. See the following
paragraphs for complete disassembly instructions on the
various subassemblies.
Reversible Models
Press the adjustment sleeve off the chuck and drive the roll
pin out of the chuck and spindle. Unscrew (left hand threads)
the spindle bearing retainer and remove the spindle assembly from the front of the gear case. Clamp the spindle in a vise
and unscrew the chuck. The spindle may now be pressed
out of the spindle bearings.
Unscrew and remove the gear case. The motor unit may now
be removed from the front of the backhead. See the following paragraphs for complete disassembly instructions on the
various subassemblies.
MOTOR DISASSEMBLY
Slip the front bearing plate and bearing off the front of the
rotor and remove the cylinder and four (4) rotor blades. Set
the rear bearing plate on the vise jaws with the rotor hanging
down. Use a 7/32" punch to drive the rotor out of the rear rotor
bearing.
DL BLACKHEAD DISASSEMBLY
For inspection or replacement of the throttle valve seal, No.
847426, unscrew and remove the throttle valve cap, No.
832207.
Unscrew the air inlet bushing, No. 867882, for inspection
and cleaning of the air inlet screen, No. 833300, and the
muffler, No. 869510. If either the screen or muffler is clogged
or torn, it should be replaced.
RDO HANDLE DISASSEMBLY
For inspection or replacement of the throttle valve, unscrew
the air inlet bushing, No. 867916. The air inlet screen, No.
412775, should also be inspected at this time. Replace the
screen if clogged or torn.
GEAR TRAIN DISASSEMBLY
Unscrew (left hand threads) the spindle bearing retainer
202031. The spindle may now be pressed out of the spindle
bearings.
If replacement of the idler gear pins is necessary, the old pins
should be pressed out the rear and the replacement pins
pressed in as shown in the following diagrams.
.240
(6.10mm)
.255
(6.48mm)
Front
Rear
SINGLE REDUCTION MODEL
.360
(9.14mm)
.375
(9.53mm)
Front
Rear
The muffler, No. 869200, may be removed for cleaning and
inspection by removing the muffler screen retainer, No.
847033.
.240
(6.10mm)
.255
(6.48mm)
Front Rear
DOUBLE REDUCTION MODEL
6
SERVICE INSTRUCTIONS — REASSEMBLY
REASSEMBLY—GENERAL
All parts should be washed in a solvent and inspected for
damage or wear. Particular attention should be given to all
bearings, gears, gear pins, and rotor blades as failure of
these parts could cause damage to more expensive parts.
Particular attention should be paid to the governor assembly, replacing any of its' parts that show wear or damage. It
is recommended that new rotor blades be installed at each
repair cycle. If not replaced, the used ones must measure a
minimum of 3/16" (4.7mm) at both ends. Failure of these
parts could cause damage to more expensive components.
Must be replaced if less than
3/16" (4.7mm) on either end.
All gears, gear pins, and open bearings should receive a
generous amount of NLGI 2-EP grease during reassembly.
Reassembly of all of the various subassemblies is in the
reverse order of disassembly; however, the following paragraphs list some of the more important reassembly procedures.
MOTOR REASSEMBLY
Install the rear rotor bearing, No. 847609, into the rear
bearing plate. Press the bearing plate assembly (press on
the bearing's inner race) onto the rear rotor shaft until there
is approximately .0015" (.038mm) clearance between the
rear bearing plate and rotor. Install the cylinder with the
slotted end toward the front bearing plate.
.0015" (.038mm)
Clearance
GEAR CASE REASSEMBLY
The front spindle bearing, No. 202032, must be installed on
the spindle with its sealed side out (visible after assembly).
REASSEMBLY—COMPLETE TOOL
Install the motor block, No. 867857, into the handle with the
smaller notch lined up with the cylinder pin hole.
Line up the rear cylinder pin with the notch in the motor block
and install the motor unit and spacer. Screw the gear case
into the handle at this time.
NOTE: The gear train may have to be rotated to engage the
rotor pinion.
Put a few drops of 10W machine oil into the tool's air inlet to
insure immediate lubrication of all motor parts when the tool
is tested.
7
8DL GEAR TRAINS
202031
F
F
O
202312
202037
202263
884125
867925
867903
884125
867903
869584
869552
869552
869552
202032
843635
869255
842728
202261
-3 Gear Train - CAUTION: High Torque Tool - Always Use Dead Handle
202031
F
F
O
202032
202312
843635
202037 -7
202038 -9
202038 -14
842728 -7
832128 -9
832128 -14
869255 -7
867904 -9
867904 -14
867907
869256 -7
869259 -9
867905 -14
867922 -7
867922 -9
884125 -14
-7,-9, & -14 Gear Trains
867921 -28
867921 -40
846177 -50
202031
F
F
O
202032
202312
843635
202033 -28
202034 -40
202035 -50
867922 -28
867922 -40
867922 -50
-28, -40, & -50, Gear Trains
867866 -28
869181 -40
869554 -50
None -28
None -40
865862 -50
867871 -28
867871 -40
867871 -50
867921 -7
867921 -9
867925 -14
869584
(-50 Only)
865576
867905
869254 -7
869258 -9
867903 -14
867902
(-14 Only)
867902
867925
869584
(-14 Only)
PARTS LIST
PART NO.
202031
202032
202033
202034
202035
202037
202038
202261
202263
202312
832128
842728
843635
846177
865576
865862
867866
867871
867902
867903
The complete gear train can be purchased as a sub-assembly using the part numbers below:
-3* — 201020
-7 — 861954
-9 — 861955
*Does not include pinion spacer
NAME OF PART
Bearing Retainer
Spindle Bearing (Front)
-28 Spindle - Incl. 867922
-40 Spindle - Incl. 867922
-50 Spindle - Incl. 867922
-3 & -7 Spindle
-9 & -14 Spindle - Incl. 832128
-3 Spider (15T) - Incl. 884125
-3 Gear Case (45T)
Bearing Spacer
Gear Pin
Gear Pin
Spindle Bearing (Rear)
Gear Bushing
Thrust Washer
-50 Pinion (12T)
-28 Idler Gear (18T) - Incl. 867921
-28, -40, & -50 Gear Case (42T)
-3 & -14 Pinion (15T)
-3 Idler Gear (15T) - Incl. 867925
(-14 Require 3 Only)
-14* — 861956
-28 — 861957
-40 — 861958
-50* — 861959
QTY.
1
1
1
1
1
1
1
1
1
1
3
3
1
3
1
1
3
1
1
6
PART NO.
867904
867905
867907
867921
867922
867925
869181
869254
869255
869256
869258
869259
869552
869554
869584
869640
884125
NAME OF PART
-9 & -14 Idler Gear (15T)
-3 & -14 1st Red. Spider (15T) - Incl. 884125
-7, -9, & -14 Gear Case (45T)
Gear Bearing
Gear Pin
-3 Gear Bushing (-14 Require 3 Only)
-40 Idler Gear (16T) - Incl. 867921
-7 Idler Gear (19T) - Incl. 867921
-3 & -7 Idler Gear (15T)
-7 1st Red. Spider (15T) - Incl 867922
-9 Idler Gear (17T) - Incl. 867921
-9 Spider (15T) - Incl. 867922
Chuck Spacer
-50 Idler Gear (15T)
-3, -14 & -50 Pinion Spacer
Gear Pin
-3 Gear Pin (-14 Require 3 Only)
QTY.
3
1
1
3
3
6
3
3
3
1
3
1
1
3
1
3
6
8
8RDO GEAR TRAINS
202031
F
F
O
202312
202037
202263
884125
867925
867903
884125
867903
869584
869552
869552
202032
843635
869255
842728
202261
-3 Gear Train - CAUTION: High Torque Tool - Always Use Dead Handle
202031
F
F
O
202032
202312
843635
202037 -7
202038 -9
202038 -14
842728 -7
832128 -9
832128 -14
869255 -7
867904 -9
867904 -14
867907
869256 -7
869259 -9
867905 -14
867922 -7
867922 -9
884125 -14
-7,-9, & -14 Gear Trains
867921 -28
867921 -40
202031
F
F
O
202312
202033 -28
202034 -40
867922 -28
867922 -40
867866 -28
869181 -40
865576
867921 -7
867921 -9
867925 -14
867902
867905
869254 -7
869258 -9
867903 -14
867902
(-14 Only)
867925
869584
(-14 Only)
Chuck Retainer Screw
617166 included in
Spindle on Reversible
Models
869552
PART NO.
202031
202032
202261
202263
202312
203735
203736
203737
203738
617166
832128
842728
843635
846177
865576
867866
867871
867902
867903
202032
843635
-28 & -40 Gear Trains
NAME OF PART
Bearing Retainer
Spindle Bearing (Front)
-3 Spider (15T) - Incl. 884125
-3 Gear Case (45T)
Bearing Spacer .003"
-3 & -7 Spindle (Incl. 617166)
-9 & -14 Spindle - Incl. 832128 (Incl. 617166)
-28 Spindle - Incl. 867922 (Incl. 617166)
-40 Spindle - Incl. 867922 (Incl. 617166)
Chuck Retainer Screw (Not Shown)
-9 & -14 Gear Pin
-3 & -7 Gear Pin
Spindle Bearing (Rear)
-50 Gear Bushing
-3 Thrust Washer
-28 Idler Gear (18T) - Incl. 867921
-28 & -40 Gear Case (42T)
-3 & -14 Pinion (15T)
-3 Idler Gear (15T) - Incl. 867925
(-14 Require 3 Only)
PARTS LIST
PART NO.
QTY.
867904
1
867905
1
867907
1
867921
1
867922
1
867925
1
869181
1
869254
1
869255
1
869256
1
869258
3
869259
3
869552
1
869584
3
884125
1
3
1
1
6
867871 -28
867871 -40
NAME OF PART
-9 & -14 Idler Gear (15T)
-3 & -14 1st Red. Spider (15T) - Incl. 884125
-7, -9, & -14 Gear Case (45T)
-7, -9, -28 & -40 Gear Bearing
-7, -9, -28, -40 & -50 Gear Pin
-3 Gear Bushing (-14 Require 3 Only)
-40 Idler Gear (16T) - Incl. 867921
-7 Idler Gear (19T) - Incl. 867921
-3 & -7 Idler Gear (15T)
-7 1st Red. Spider (15T) - Incl 867922
-9 Idler Gear (17T) - Incl. 867921
-9 Spider (15T) - Incl. 867922
Chuck Spacer
-3 & -14 Pinion Spacer
-3 Gear Pin (-14 Require 3 Only)
QTY.
3
1
1
3
3
6
3
3
3
1
3
1
1
1
6
The complete gear train can be purchased as a sub-assembly using the part numbers below:
-3* — 201494
-7 — 201495
-9 — 201496
*Does not include pinion spacer
-14* — 201497
-28 — 201498
-40 — 201499
9
SPACER
Model Part No.
-9 869180
-40
-3 867873
-7
-14
-28
-50
FRONT BEARING
Model Part No.
-9 847095
-40
-3 847609
-7
-14
-28
-50
847603
Pistol Models
Only
FRONT
BEARING PLATE
Model Part No.
-9 869179
-40
-3 869179
-7
-14
-28
-50
REAR CYLINDER PIN
Non-Rev. Lever 833718
Rev. Offset 812167
844234
CYLINDER
Type Part No.
Non-Rev. 867853
Rev. 867936
REAR BEARING PLATE
Non-Rev. 867854
Rev. 867937
863738
ROTOR
Model Part No.
-9 869183
-40
-3 867880
-7
-14
-28
-50
847609
PART NO.
812167
833718
844234
847095
847609
863738
867853
867854
867855
Rear Cylinder Pin
Rear Cyiinder Pin
Front Cylinder Pin
Rotor Bearing
Rotor Bearing (-9 & -40 require one (1 ) only)
Rotor Blade
Cylinder
Rear Bearing Plate
Front Bearing Plate
NAME OF PART
10
QTY.
1
1
1
1
2
4
1
1
1
PART NO.
867873
867880
867936
867937
869179
869180
869183
869584
NAME OF PART
Spacer
Rotor (6T)
Cylinder
Rear Bearing Plate
Bearing Plate
Spacer
Rotor (9T)
Spacer
QTY.
1
1
1
1
1
1
1
1
847426
832207
844060
412603
867857
869044
869036
869510
867877
832636
867874
865728
833300
202410
867882
863454
PART NO.
202410
412603
832207
832636
833300
844060
847426
863454
865728
The complete handles can be purchased as a subassembly using Part No. - 861628.
*Parts not included in subassembly.
Throttle Lever Pin
Bail
Throttle Valve Cap
Throttle Valve Cap Gasket
Inlet Screen
Throttle Valve Spring (incl. 847426)
Throttle Valve Seal
"O"-Ring 9/16" x 11/16"
Inlet Screen Spring
NAME OF PART
QTY.
1
1
1
1
1
1
1
1
1
PART NO.
867857*
867874
867877
867882
869036
869044
869510
NAME OF PART
Valve Block
Exhaust Deflector
Throttle Lever
Inlet Bushing (incl. 833300)
Throttle Valve
Backhead
Muffler
QTY.
1
1
1
1
1
1
1
11
202339
202020
867915
201905
847033
833303
867878
867911
869200
865770
844787
869350
869253 Locking
202674 Non-locking
412775
847411
847767
847272
867916
Part No. Name of Part Qty. Part No. Name of Part Qty.
201905
202020
202339
202674
412775
833303
847033
847411
847767
The complete Offset handle can be purchased as a subassembly using part no. 861581.
The handle includes non-locking reversing valve 202674.
Trigger Assembly
Drive Screw
-3 Caution Label
Non-Locking Reversing Valve
Air Inlet Screen
Muffler Screen
Muffler Screen Retainer
O-Ring 11/16" X 13/16"
Throttle Valve Spring
12
1
4
1
1
1
1
1
1
844787
865770
867878
867911
867915
867916
869200
869253
869350
Trigger Pin
Reversing Valve Spring
Reversing Valve Retainer Screw
Throttle Link Pin
Reversible Handle
Air Inlet Bushing
Muffler
Locking Reversing Valve
Throttle Valve
1
1
1
1
1
1
1
1
MODELS
STANDARD EQUIPMENT
OPTIONAL EQUIPMENT
8RDO-3
8RDO-7
8RDO-9
8RDO-14
8RDO-28
8RDO-40
8DL-7B
8DL-9B
8DL-14B
8DL-28B
8DL-40B
8DL-50B
43 - 3/8" CHUCK 849103
CHUCK KEY 849123
51 - 3/8" CHUCK (Small Diameter) 849108
CHUCK KEY 849120
38 - 1/4" CHUCK 849102
CHUCK KEY 849116
ANY CHUCK AND RESPECTIVE KEY LISTED
21 - 1/4" HEX QUICK-CHANGE CHUCK 849414
SUPPORT HANDLE 861006
42 - 1/4" CHUCK (Heavy Duty) 849106
CHUCK KEY 849118
51 - 3/8" CHUCK (Small Diameter)* 849108
CHUCK KEY 849120
43 - 3/8" CHUCK* 849103
CHUCK KEY 849123
SUPPORT HANDLE 861006
21 - 1/4" HEX QUICK CHANGE CHUCK 849414
*STRAIGHT HANDLE DRILLS MUST BE EQUIPPED
WITH DEAD HANDLE (861006), IF CHUCKS LARGER
THAN 1/4" ARE SPECIFIED.
DO NOT USE CHUCKS LARGER THAN 3/8" ON
THESE DRILLS.
13
NOTES
14
NOTES
15
16
CooperTools
670 Industrial Drive
Lexington, SC 29072
Phone: (803) 359-1200
Fax: (803) 359-2013
www.cooperindustries.com
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