Delta 37-350, 37-365X User guide
INSTRUCTION MANUAL
DJ-20
8" Jointer
(Model 37-350)
(Model 37-365X)
PART NO. 909948 - 02-14-03
Copyright © 2003 Delta Machinery
To learn more about DELTA MACHINERY
visit our website at: www.deltamachinery.com.
For Parts, Service, Warranty or other Assistance,
please call
1-800-223-7278 (In Canada call 1-800-463-3582).
SHOWN WITH ACCESSORY MODEL 50-221
DUST COLLECTOR CONNECTOR
2
Woodworking can be dangerous if safe and proper operating procedures are not followed. As with all machinery, there
are certain hazards involved with the operation of the product. Using the machine with respect and caution will
considerably lessen the possibility of personal injury. However, if normal safety precautions are overlooked or ignored,
personal injury to the operator may result. Safety equipment such as guards, push sticks, hold-downs, featherboards,
goggles, dust masks and hearing protection can reduce your potential for injury. But even the best guard won’t make
up for poor judgment, carelessness or inattention. Always use common sense
and exercise caution
in the workshop.
If a procedure feels dangerous, don’t try it. Figure out an alternative procedure that feels safer. REMEMBER: Your
personal safety is your responsibility.
This machine was designed for certain applications only. Delta Machinery strongly recommends that this machine not
be modified and/or used for any application other than that for which it was designed. If you have any questions relative
to a particular application, DO NOT use the machine until you have first contacted Delta to determine if it can or should
be performed on the product.
Technical Service Manager
Delta Machinery
4825 Highway 45 North
Jackson, TN 38305
(IN CANADA: 505 SOUTHGATE DRIVE, GUELPH, ONTARIO N1H 6M7)
1. FOR YOUR OWN SAFETY, READ INSTRUCTION
MANUAL BEFORE OPERATING THE TOOL. Learn the
tool’s application and limitations as well as the specific
hazards peculiar to it.
2. KEEP GUARDS IN PLACE and in working order.
3. ALWAYS WEAR EYE PROTECTION.
Wear safety
glasses. Everyday eyeglasses only have impact resistant
lenses; they are not safety glasses. Also use face or dust
mask if cutting operation is dusty. These safety glasses
must conform to ANSI Z87.1 requirements. NOTE:
Approved glasses have Z87 printed or stamped on them.
4. REMOVE ADJUSTING KEYS AND WRENCHES. Form
habit of checking to see that keys and adjusting wrenches
are removed from tool before turning it “on”.
5. KEEP WORK AREA CLEAN. Cluttered areas and
benches invite accidents.
6. DON’T USE IN DANGEROUS ENVIRONMENT. Don’t
use power tools in damp or wet locations, or expose them
to rain. Keep work area well-lighted.
7. KEEP CHILDREN AND VISITORS AWAY. All children
and visitors should be kept a safe distance from work area.
8. MAKE WORKSHOP CHILDPROOF – with padlocks,
master switches, or by removing starter keys.
9. DON’T FORCE TOOL. It will do the job better and be
safer at the rate for which it was designed.
10. USE RIGHT TOOL. Don’t force tool or attachment to
do a job for which it was not designed.
11. WEAR PROPER APPAREL. No loose clothing, gloves,
neckties, rings, bracelets, or other jewelry to get caught in
moving parts. Nonslip footwear is recommended. Wear
protective hair covering to contain long hair.
12. SECURE WORK. Use clamps or a vise to hold work
when practical. It’s safer than using your hand and frees
both hands to operate tool.
13. DON’T OVERREACH. Keep proper footing and
balance at all times.
14. MAINTAIN TOOLS IN TOP CONDITION. Keep tools
sharp and clean for best and safest performance. Follow
instructions for lubricating and changing accessories.
15. DISCONNECT TOOLS before servicing and when
changing accessories such as blades, bits, cutters, etc.
16. USE RECOMMENDED ACCESSORIES. The use of
accessories and attachments not recommended by Delta
may cause hazards or risk of injury to persons.
FAILURE TO FOLLOW THESE RULES MAY RESULT IN SERIOUS PERSONAL INJURY
Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.
Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.
Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury
Used without the safety alert symbol indicates potentially hazardous situation which, if not avoided, may
result in property damage.
This manual contains information that is important for you to know and understand. This information relates to protecting YOUR SAFETY and PREVENTING EQUIPMENT PROBLEMS. To help you recognize this information, we use the
symbols to the right. Please read the manual and pay attention to these sections.
SAFETY GUIDELINES / DEFINITIONS
Read Operator’s Manual. Do not operate equipment until you have read Operator’s Manual for Safety,
Assembly
, Operation, and Maintenance Instructions
.
SOME DUST CREATED BY POWER SANDING, SAWING, GRINDING, DRILLING, AND OTHER
CONSTRUCTION ACTIVITIES contains chemicals known to cause cancer, birth defects or other reproductive harm.
Some examples of these chemicals are:
· lead from lead-based paints,
· crystalline silica from bricks and cement and other masonry products, and
· arsenic and chromium from chemically-treated lumber.
Your risk from these exposures varies, depending on how often you do this type of work. To reduce your exposure to
these chemicals: work in a well ventilated area, and work with approved safety equipment, such as those dust masks
that are specially designed to filter out microscopic particles.
GENERAL SAFETY RULES
3
17. REDUCE THE RISK OF UNINTENTIONAL STARTING.
Make sure switch is in “OFF” position before plugging in
power cord.
In the event of a power failure, move switch
to the “OFF” position.
18. NEVER STAND ON TOOL. Serious injury could occur
if the tool is tipped or if the cutting tool is accidentally
contacted.
19. CHECK DAMAGED PARTS. Before further use of the
tool, a guard or other part that is damaged should be
carefully checked to ensure that it will operate properly and
perform its intended function – check for alignment of
moving parts, binding of moving parts, breakage of parts,
mounting, and any other conditions that may affect its
operation. A guard or other part that is damaged should be
properly repaired or replaced.
20. DIRECTION OF FEED. Feed work into a blade or
cutter against the direction of rotation of the blade or cutter
only.
21. NEVER LEAVE TOOL RUNNING UNATTENDED.
TURN POWER OFF. Don’t leave tool until it comes to a
complete stop.
22.
STAY ALERT, WATCH WHAT YOU ARE DOING, AND
USE COMMON SENSE WHEN OPERATING A POWER
TOOL. DO NOT USE TOOL WHILE TIRED OR UNDER
THE INFLUENCE OF DRUGS, ALCOHOL, OR
MEDICATION. A moment of inattention while operating
power tools may result in serious personal injury.
23. MAKE SURE TOOL IS DISCONNECTED FROM
POWER SUPPLY while motor is being mounted,
connected or reconnected.
24. THE DUST GENERATED by certain woods and wood
products can be injurious to your health. Always operate
machinery in well ventilated areas and provide for proper
dust removal. Use wood dust collection systems whenever
possible.
ADDITIONAL SAFETY RULES FOR JOINTERS
FAILURE TO FOLLOW THESE RULES MAY RESULT IN SERIOUS PERSONAL INJURY.
1. WARNING: Do not operate the jointer until it is
completely assembled and installed according to the
instructions.
2. IF YOU ARE NOT thoroughly familiar with the oper-
ation of jointers, obtain advice from your supervisor,
instructor or other qualified person.
3. KEEP cutterhead sharp and free of all rust and
pitch.
4. BEFORE starting machine, check cutterhead guard
to make sure it is not damaged and operates freely.
5. ALWAYS make sure exposed cutterhead behind the
fence is guarded, especially when jointing near the edge.
6. NEVER perform jointing or planing operations with
the cutterhead guard removed.
7. MAKE CERTAIN the infeed and outfeed tables are
tightened before starting the machine.
8. NEVER start the jointer with the workpiece
contacting the cutterhead.
9. ALWAYS hold the workpiece firmly against the
tables and fence.
10. NEVER perform any operation “Free-hand” which
means using your hands to support or guide the
workpiece. ALWAYS use the fence to position and guide
the work.
11. AVOID awkward operations and hand positions
where a sudden slip could cause your hand to move into
the cutterhead.
12. ALWAYS use hold-down/push blocks for jointing
material less than 3 inches in height or planing material
thinner than 3 inches.
13. DO NOT perform jointing operations on material
shorter than 10 inches, narrower than 3/4 inch or less
than 1/2 inch thick.
14. DO NOT perform planing operations on material
shorter than 10 inches, narrower than 3/4 inch, wider
than 8 inches or less than 1/2 inch thick.
15. NEVER make jointing or planing cuts deeper than
1/8 inch. On cuts more than 1-1/2 inches wide, adjust
depth of cut to 1/16 inch or less to avoid overloading
machine and to minimize chance of kick-back (work
thrown back toward you).
16. MAINTAIN the proper relationship of infeed and
outfeed table surfaces and cutterhead knife path.
17. SUPPORT the workpiece adequately at all times
during operation; maintain control of the work at all
times.
18. DO NOT back the workpiece toward the infeed
table.
19. DO NOT attempt to perform an abnormal or little-
used operation without study and the use of adequate
hold-down/push blocks, jigs, fixtures, stops, push
blocks, etc.
20. SHUT OFF power before servicing or adjusting jointer.
21. DISCONNECT jointer from power source and clean
the machine before leaving it.
22. MAKE SURE the work area is clean before leaving
the machine.
23. SHOULD any part of your jointer be missing,
damaged, or fail in any way, or any electrical component
fail to perform properly, shut off switch and remove plug
from power supply outlet. Replace missing, damaged or
failed parts before resuming operation.
24. THE USE of attachments and accessories not
recommended by Delta may result in the risk of injuries.
25. ADDITIONAL INFORMATION regarding the safe
and proper operation of this product is available from
the National Safety Council, 1121 Spring Lake Drive,
Itasca, IL 60143-3201 in the Accident Prevention Manual
for Industrial Operation and also in the Safety Data
Sheets provided by the NSC. Please also refer to the
American National Standard Institute ANSI 01.1 Safety
Requirements for Woodworking Machinery and the U.S.
Department of Labor OSHA 1910.213 Regulations.
SAVE THESE INSTRUCTIONS.
Refer to them often
and use them to instruct others.
4
A separate electrical circuit should be used for your machines. This circuit should not be less than #12 wire and should
be protected with a 20 Amp time lag fuse. If an extension cord is used, use only 3-wire extension cords which have 3prong grounding type plugs and matching receptacle which will accept the machine’s plug. Before connecting the
machine to the power line, make sure the switch is in the “OFF” position and be sure that the electric current is of the
same characteristics as indicated on the machine. All line connections should make good contact. Running on low
voltage will damage the machine.
DO NOT EXPOSE THE MACHINE TO RAIN OR OPERATE THE MACHINE IN DAMP LOCATIONS.
Your machine is wired for either 120/240 volt single phase, or 200-230/460 volt three phase, 60 HZ alternating current.
Before connecting the machine to the power source, make sure the switch is in the “OFF” position.
THIS MACHINE MUST BE GROUNDED WHILE IN USE TO PROTECT THE OPERATOR FROM
ELECTRIC SHOCK.
MOTOR SPECIFICATIONS
GROUNDED OUTLET BOX
CURRENT
CARRYING
PRONGS
GROUNDING BLADE
IS LONGEST OF THE 3 BLADES
GROUNDED OUTLET BOX
CURRENT
CARRYING
PRONGS
GROUNDING BLADE
IS LONGEST OF THE 3 BLADES
POWER CONNECTIONS
GROUNDING INSTRUCTIONS
Fig. A
Fig. B
SINGLE PHASE
INSTALLATION
If the motor on your machine is wired for 115 Volt, Single
Phase, the power cord is equipped with a plug that has
two flat, parallel current-carrying prongs, and one longer
round or “U” shaped, ground prong which requires a
mating 3-conductor grounded type receptacle, as
shown in Fig. A.
If the motor on your machine is wired for 230 Volt, Single
Phase, the power cord is equipped with a plug that has
two flat, current-carrying prongs in tandem, and one
round or “U”-shaped longer ground prong. This is used
only with the proper mating 3-conductor grounding type
receptacle,as shown in Fig. B.
When either the 115 Volt or 230 Volt three prong plug on
your machine is plugged into a grounded 3-conductor
receptacle, the long ground prong on the plug contacts
first so the machine is properly grounded before electricity reaches it.
IN ALL CASES, MAKE CERTAIN THE RECEPTACLE IN QUESTION IS PROPERLY GROUNDED.
IF YOU ARE NOT SURE, HAVE A CERTIFIED ELECTRICIAN CHECK THE RECEPTACLE.
THREE PHASE
INSTALLATION
If the motor on your machine is wired for 200, 230 or 460
Volts, Three Phase, refer to the electrical instruction
manual supplied with your machine for instructions on
how to connect electrical power.
CHANGING VOLTAGE
The single phase 1-1/2 H.P. (push button switch only),
8" Jointer is supplied wired for 230 Volts. If you desire
to change the voltage on this unit it is necessary to
disconnect the machine from the power source,
reconnect the leads in the motor junction box, as
shown on the motor nameplate and change the plug to
a 115 Volt plug.
If you desire to change the voltage on either the single
or three phase, 1-1/2 H.P., 8" Jointer that is equipped
with 24 Volt push button station, magnetic starter,
transformer and 3-leg overload protection, refer to the
the “CHANGING VOLTAGE OF THE LVC MOTOR
STARTER” section in the electrical manual supplied
with your jointer. The following steps must be
completed:
5
Use proper extension cords. Make sure your extension cord is in good condition and is a 3-wire
extension cord which has a 3-prong grounding type plug and matching receptacle which will accept the machine’s
plug. When using an extension cord, be sure to use one heavy enough to carry the current of the machine. An
undersized cord will cause a drop in line voltage, resulting in loss of power and overheating. Fig. D, shows the correct
gauge to use depending on the cord length. If in doubt, use the next heavier gauge. The smaller the gauge number,
the heavier the cord.
EXTENSION CORDS
FOREWORD
Delta Model 37-350 and 37-365X DJ-20 is a 8" Precision Jointer with a cutting capacity of 8" (203mm) width, 5/8" depth
(16mm max.) and 5/8" (16mm) rabbeting. Unit includes; heavy-duty 1-1/2 hp, 120/240 volt motor, fence, three-knife
cutterhead, cutterhead guard, and push blocks.
Carefully unpack the machine and all loose items from the shipping container(s). Remove the protective coating from
all unpainted surfaces. This coating may be removed with a soft cloth moistened with kerosene (do not use acetone,
gasoline or lacquer thinner for this purpose). After cleaning, cover the unpainted surfaces with a good quality household
floor paste wax.
NOTICE: THE MANUAL COVER PHOTO ILLUSTRATES THE CURRENT
PRODUCTION MODEL. ALL OTHER ILLUSTRATIONS ARE REPRESENTATIVE
ONLY AND MAY NOT DEPICT THE ACTUAL COLOR, LABELING OR
ACCESSORIES AND MAY BE INTENDED TO ILLUSTRATE TECHNIQUE ONLY.
Fig. D
Fig. D
MINIMUM GAUGE EXTENSION CORD
RECOMMENDED SIZES FOR USE WITH STATIONARY ELECTRIC MACHINES
Ampere Total Length Gauge of
Rating Volts of Cord in Feet Extension Cord
0-6 120
up to
25 18 AWG
0-6 120 25-50 16 AWG
0-6 120 50-100 16 AWG
0-6 120 100-150 14 AWG
6-10 120
up to
25 18 AWG
6-10 120 25-50 16 AWG
6-10 120 50-100 14 AWG
6-10 120 100-150 12 AWG
10-12 120
up to
25 16 AWG
10-12 120 25-50 16 AWG
10-12 120 50-100 14 AWG
10-12 120 100-150 12 AWG
12-16 120
up to
25 14 AWG
12-16 120 25-50 12 AWG
12-16 120
GREATER THAN 50 FEET NOT RECOMMENDED
MINIMUM GAUGE EXTENSION CORD
RECOMMENDED SIZES FOR USE WITH STATIONARY ELECTRIC MACHINES
Ampere Total Length Gauge of
Rating Volts of Cord in Feet Extension Cord
0-6 240
up to
50 18 AWG
0-6 240 50-100 16 AWG
0-6 240 100-200 16 AWG
0-6 240 200-300 14 AWG
6-10 240
up to
50 18 AWG
6-10 240 50-100 16 AWG
6-10 240 100-200 14 AWG
6-10 240 200-300 12 AWG
10-12 240
up to
50 16 AWG
10-12 240 50-100 16 AWG
10-12 240 100-200 14 AWG
10-12 240 200-300 12 AWG
12-16 240
up to
50 14 AWG
12-16 240 50-100 12 AWG
12-16 240
GREATER THAN 100 FEET NOT RECOMMENDED
1. Disconnect the machine from the power source.
2. Move the transformer primary pigtail to the proper terminal corresponding to the new input voltage.
3. Change the leads in the motor junction box for the proper line voltage, as shown on the motor nameplate.
4. Change the heater elements in the overload block for the proper voltage/amperage, as shown on the motor
nameplate. The correct heater elements can be identified by referring to the chart inside the motor starter box.
OPERATING INSTRUCTIONS
UNPACKING AND CLEANING
CUTTERHEAD ROTATION
The rotation of the cutterhead must be in a clockwise direction when viewed from the left side of the
machine; that is, the knives must be rotating toward the infeed table from the top. If the cutterhead rotation is incorrect,
disconnect the machine from the power source and proceed as follows:
Single Phase Machines – Interchange leads T5 and T8 in the motor junction box.
Three Phase Machines – Interchange any two of the three incoming power lines.
6
JOINTER PARTS
Fig. 2
1. Jointer
2. Rabbeting Ledge
3. Motor Pulley
4. Fence
5. Cutterhead Guard
6. Fence Carriage Assembly
7. Fence Tilting Handle
8. 10x13mm Open End Wrench
9. 4mm Hex Wrench
10. 2.5mm Hex Wrench
11. M8x1.25x25mm Socket Head Screw (8)
12. M8.1 Lockwasher (8)
1
2
3
4
5
6
7
8
9
10
11
12
7
STAND PARTS
Fig. 3
1. Stand, Motor, and Electricals
2. Belt
3. Cutterhead Pulley/Belt Guard
4. Push Blocks (2)
5. 1/4-20x5/8" Hex Head Screw (2)
6. 1/4" Flat Washer (2)
7. 1/4-20 Hex Nut (2)
1
2
3
4
5
6
7
8
ASSEMBLY
JOINTER TO STAND
If you purchased your jointer complete with stand and
electricals, factory mounted and wired, the stand is
shipped with the motor and switch completely wired and
assembled to the stand, as shown in Fig. 4.
The outfeed end of the jointer Fig. 4A must be pointing
toward the end of the stand with dust chute (A) Fig. 4.
Fig. 4
Fig. 5
2. Line up the eight holes (B) Fig. 5, on the top of the
stand with the eight threaded holes on the bottom of the
jointer base and fasten the jointer to the stand using the
eight M8x1.25x25mm socket head cap screws and
M8.1 lockwashers supplied.
THE JOINTER IS EXTREMELY HEAVY.
HAVE TWO OR MORE PEOPLE LIFT THE MACHINE
ONTO THE STAND.
A
C
D
E
B
B
Fig. 4A
1. Remove three screws (C) Fig. 4, and loosen three
screws (D). Then remove back panel (E) from stand by
lifting upward.
Outfeed Table
Infeed Table
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