JET warrants every product it sells against manufacturers’ defects. If one of our tools needs service or repair, please
contact Technical Service by calling 1-800-274-6846, 8AM to 5PM CST, Monday through Friday.
Warranty Period
The general warranty lasts for the time period specified in the literature included with your product or on the official
JET branded website.
• JET products carry a limited warranty which varies in duration based upon the product. (See chart below)
• Accessories carry a limited warranty of one year from the date of receipt.
• Consumable items are defined as expendable parts or accessories expected to become inoperable within a
reasonable amount of use and are covered by a 90 day limited warranty against manufacturer’s defects.
Who is Covered
This warranty covers only the initial purchaser of the product from the date of delivery.
What is Co vered
This warranty covers any defects in workmanship or materials subject to the limitations stated below. This warranty
does not cover failures due directly or indirectly to misuse, abuse, negligence or accidents, normal wear-and-tear,
improper repair, alterations or lack of maintenance.
Warranty Limitations
Woodworking products with a Five Year Warranty that are used for commercial or industrial purposes default to a
Two Year Warranty. Please contact Technical Service at 1-800-274-6846 for further clarification.
How to Get Technical Support
Please contact Technical Service by calling 1-800-274-6846. Please note that you will be asked to provide proof
of initia l p u rch a s e whe n calling. If a product requires further inspection, the Technical Service representative will
explain and assist with any additional action needed. JET has Authorized Service Centers located throughout the
United States. For the name of an Authorized Service Center in your area call 1-800-274-6846 or use the Service
Center Locator on the JET website.
More Informat io n
JET is constantly adding new products. For complete, up-to-date product information, check with your local distributor
or visit the JET website.
How S tate Law A pplies
This warranty gives you specific legal rights, subject to applicable state law.
Limitations on This Warranty
JET LIMITS ALL IMPLIED WARRANTIES TO THE PERIOD OF THE LIMITED WARRANTY FOR EACH PRODUCT.
EXCEPT AS STATED HEREIN, ANY IMPLIED WARRANTI ES OF MERCHANTABILITY AND FITNESS FOR A
PARTICULAR PURPOSE ARE EXCLUDED. SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG AN
IMPLIED WARRANTY LASTS, SO THE ABOVE LIMITATION MAY NOT APPLY TO YOU.
JET SHALL IN NO EVENT BE LIABLE FOR DEATH, INJURIES TO PERSONS OR PROPERTY, OR FOR
INCIDENTAL, CONTINGENT, SPECIAL, OR CONSEQUENTIAL DAMAGES ARISING FROM THE USE OF OUR
PRODUCTS. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR
CONSEQUENTIAL DAMAGES, SO THE ABOVE LIMITATION OR EXCLUSION MAY NOT APPLY TO YOU.
JET sells through distributors only. The specifications listed in JET printed materials and on official JET website are
given as general information and are not binding. JET reserves the right to effect at any time, without prior notice,
those alterations to parts, fittings, and accessory equipment which they may deem necessary for any reason
whatsoever. JET
Product Listing with Warranty Period
90 Days – Parts; Consumable items; Light-Duty Air Tools
1 Year – Motors; Machine Accessories; Heavy-Duty Air Tools; Pro-Duty Air Tools
2 Year – Metalworking Machinery; Electric Hoists, Electric Hoist Accessories; Woodworking Machinery used
for industrial or commercial purposes
5 Year – Woodworking Machinery
Limited Lifetime – JET Parallel clamps; VOLT Series Electric Hoists; Manual Hoists; Manual Hoist
Accessories; Shop Tools; Warehouse & Dock products; Hand Tools
NOTE: JET is a division of JPW Industries, Inc. References in this document to JET also apply to JPW Industries,
Inc., or any of its successors in interest to the JET brand.
®
branded products are not sold in Canada by JPW Industries, Inc.
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2.0 Table of contents
Section Page
1.0 Warranty and Service ..................................................................................................................................... 2
2.0 Table of contents ............................................................................................................................................ 3
11.5 Semi-automatic arm ................................................................................................................................. 8
12.4 Replacing variable speed belt ................................................................................................................ 11
13.0 Replacement parts ..................................................................................................................................... 11
13.1.1 HBS-1321W – Bed and Base Assembly – Exploded View ................................................................. 12
13.1.2 HBS-1321W – Bed and Base Assembly – Parts List .......................................................................... 13
13.2.1 HBS-1321W – Arm Assembly – Exploded View ................................................................................. 16
13.2.2 HBS-1321W – Arm Assembly – Parts List .......................................................................................... 17
14.1 Wiring Diagram Symbol Glossary .......................................................................................................... 22
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3.0 Safety warnings
1. Read and understand the entire instruction manual before attempting assembly or operation.
2. All JET band saws are designed and intended for use by properly trained and experienced
personnel only. If you are not familiar with the proper and safe operation of a band saw, do not use
until proper training and knowledge have been obtained.
3. Always wear approved safety glasses/face shields while using this machine.
4. Make certain the machine is properly grounded.
5. Before operating the machine, remove tie, rings, watches, other jewelry, and roll up sleeves above the
elbows. Remove all loose clothing and confine long hair. Do NOT wear gloves.
6. Keep the floor around the machine clean and free of scrap material, oil and grease.
7. Keep machine guards in place at all times when the machine is in use. If removed for maintenance
purposes, use extreme caution and replace the guards immediately.
8. Do NOT over reach. Maintain a bala nced stance at a ll t im es so t hat you do not fal l or lean agai nst blades
or other moving parts.
9. Make all machine adjustments or maintenance with the machine unplugged from the power source.
10. Use the right tool. Don't force a tool or attachment to do a job which it was not designed for.
11. Replace warning labels if they become obscured or removed.
12. Make certain the motor switch is in the OFF position before connecting the machine to the power supply.
13. Give your work undivided attention. Looking around, carrying on a conversation, and "horse-play" are
careless acts that can result in serious injury.
14. Keep visitors a safe distance from the work area.
15. Use recommended accessories; improper accessories may be hazardous.
16. Make a habit of checking to see that keys and adjusting wrenches are removed before turning on the
machine.
17. Always keep hands and fingers away from the blade when the machine is running.
18. Never hand hold the material. Always use the vise and clamp it securely.
19. Keep belt guard, blade guards, and wheel covers in place and in working order.
20. Always provide adequate support for long and heavy material.
21. Use a sharp blade and keep machine clean for best and safest performance.
22. Failure to comply with all of these warnings may cause serious injury.
23. Some dust created by power sanding, sawing, grinding, drilling and other construction activities contain
chemicals known to cause cancer, birth defects or other reproductive harm. Some examples of these
chemicals are:
24. Lead from lead based paint.
25. Cr y stalline silica from bricks, cement and other m asonry pr oduc ts.
26. A r seni c and c hr omium from chemically treat ed lum ber.
27. Your risk of exposure 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 face or dust masks that are specifically designed to filter out microscopic
particles.
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4.0 Specifications
Model Number ........................................................................................................................HBS-1321W
Blade Speeds (SFP M) .................................................................................................................... 80-2 60
Floor Space Requi r ed (i n) ............................................................................. 84” x 32-1/2” (2134x826 mm)
Bed Height (in) ..................................................................................................................... 3 2” (813 mm)
Motor ............................................................................................ 3 HP, 3 PH, 230/460V (Prewired 230V)
Coolant Motor ................................................................................................................................. 1/6 HP
Net Weight (approx.)........................................................................................................ 1,276 lb (579 kg)
The specifications in this manual were current at time of publication, but because of our policy of continuous
improvement, JET reserves the right to change specifications at any time and without prior notice, without incurring
obligations.
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5.0 Uncrating and cleanup
1. Read and understand the entire manual before
attempting setup or operation.
2. Finish uncrating the saw and inspect for
damage. If any damage has occurred, contact
your local distributor.
3. Remove all bolts attaching machine to
shipping base.
4. Leave packing material between vice clamps
and saw head intact until band saw has been
lifted to its final position.
5. Clean all rust protected surfaces with kerosene
or diesel oil to remove protective coating. Do
not use gasoline, paint thinner, mineral spirit s,
etc. These may damage painted surfaces.
6. Lubricate all slideways with a light film of Mobil
DTE® Oil Heavy Medium.
6.0 Installation
7.0 Assembly
1. Insert stop rod (A, Figure 2) into the base
below the vise. Place stop bracket (B) onto
stop rod and tighten lock knob (C). Attach the
connecting plate (D) to stop bracket with hex
cap bolt and washer (E), and tighten. Attach
the work stop (F) to the connecting plate with
lock handle (G), and tighten.
For best performance, the band saw should be
locat e d on a solid a nd level f ou nd atio n. Allow r o o m
for servicing and f or m oving large stock around the
band saw when deciding a location for the
machine.
1. Using lifting straps of adequate lifting capacity,
which are isolated from the band saw's
finished surfaces, lift machine and place in
desired location. See Figure 1 for strap
placement.
2. Install four leveling bolts with lock nuts on both
sides of the base.
3. Place a level on the bed surface and check
side to side and front to back.
4. Adjust leveling screws until machine is level in
both directions and tighten locking nuts.
Figure 2
2. Slide the te nsioning handle (A, Figure 3) onto
the shaft and tighten the hex socket set screw.
Figure 3
Figure 1
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8.0 Electrical connections
All electrical connections must
be made by a qualified electrician. Failure to
comply may result in serious injury.
Disconnect machine from
power source before changing any voltage
components. Failure to comply may result in
serious injury.
E. Arm Up Button: Depress to raise arm.
F. Arm Down Butt on: Depress to lower arm.
G. Coolant Switch: Turn arrow to ON starting
flow of coolant. Turn arrow to OFF stopping
flow of coolant. Blade must be circulating for
coolant pump to work.
H. Downfeed Rate Knob: Turn clockwise to
increase down feed rate. Turn counterclockwise to decrease down feed rate. See
sect. 11.7, Adjusting feed rate.
The HBS-1321W band saw is rated at 230/460V,
3-phase and is prewired 230 volt from the factory.
Confirm power source available at the saw's
location is the same as the saw is wired. To switch
the HBS-1321W from 230V to 460V, the followi ng
items will have to be changed. NOTE: Band saw must always be properly grounded.
1. Main Motor: Follow diagram inside junction
box cover.
3. Control Transformer: Open electrical panel
on rear of base and switc h only the one 230V
primary wire on transformer to the 460V
posit ion.
4. Hydraulic Pump: Remove access p anel a nd
follow diagram inside junction box cover.
9.0 Controls
Refer to Figure 4.
10.0 Prior to operation
1. All JET band saws are designed and intended
for use by properly trained and experienced
perso nne l o nly. If yo u ar e not f a milia r wit h t he
proper and safe operation of a band saw, do
not use until proper training and knowledge
have been obtained.
2. Check that blade tooth direction matches
diagram on blade guides.
3. Check to see that blade is properly seated on
wheels after applying correct tension
(approximately 25,000 lbs.).
4. Check blade guides for proper adjustments.
See sect. 11.9, Blade guide adjustment.
5. Position sliding blade guide arms as close to
workpiece as possible.
6. Select proper speed a nd feed rate f or material
being cut. Refer to Machinery’s Handbook or
sim ilar source for speed and feed charts.
7. Material to be cut must be securely held in the
vise. See sect. 11.1 through 11.3.
8. Check to see that coolant level is adequate
and turn on coolant pump if material to be cut
requir es it. See sect. 12.3, Coolant pump.
9. Do not start cut on a sharp edge.
Figure 4
A. Power Indicator Light: Lit whenever machine
has power.
B. Start Button: Depress to start band saw. Will
not work if emergency button is depressed.
C. Stop Button: Depress to stop band saw.
D. Emergency Stop Button: Depress to
immediately stop all machine functions.
11.0 Adjustments
With the exception of blade
tracking, disconnect machine from the power
source before making adj ustments or c hangi ng
vise position. Failure to comply may cause
serious injury.
11.1 Adjusting vise square to blade
(Position A, Figure 5)
1. Place a machinist's square on the bed against
the blade and the vise. The square should lie
along the entire length of the vise and blade
without a gap.
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2. If adjustment is necessary, loosen bolts (A,
Figure 5) holding the vise and adjust vise so
square lines up properly. Tighten bolts.
3. You may want to perform a test cut. Cut off
the end of the stock. Make another cut so that
you have an accurate section to measure.
Measure thickness with calipers.
Figure 5
11.2 Adjusting vise for miter cuts
Figure 6
11.5 Semi-automat ic arm
Preset the height, which the arm stops when it
raises automatically. The height the arm raises
depends upon the piece you want to cut. The limit
switch is lowered or raised by loosening a locking
handle (A, Figure 7). Tighten the locking handle
when the limit switch has been properly adjusted.
(Position B, Figure 5)
1. Move the vise into the second set of threaded
holes (B, Figure 5) by removing hex cap bolts
(A, Figure 5).
2. When angle has been set tighten bolts.
3. Adjust other jaw.
4. There is an angle label on the backside of the
bed. This is for reference only. Check angles
with a machinist’s protractor.
For your own safety: only use position B for miter
cuts. Vise square to the blade, in position B would
expose more of the blade, rig ht of the vise, t han is
necessary for the cut.
11.3 Positioning vise
To position the moveable vise:
1. Pull up on the rack block (C, Figure 5).
2. Move vi se to desired location by sliding along
bed.
3. Tighten vise by turning hand wheel, found at
the left end of the bed, clockwise.
4. Loosen vise by turning hand wheel counterclockwise so you can pull up on the rack block.
Figure 7
11.6 Automatic shut-off
The blade will stop after the material has been cut,
and the arm reaches its lowest position. The arm
will automatically rise to the preset height.
11.4 Changing blade speeds
Adjust the variable blade speed only while the
machine is running. The dial (A, Figure 6) sticking
out of the belt cover (right side) controls the
variable speeds between 66 FPM to 264 FPM.
11.7 Adjusting feed rate
Rate of downfeed is adjusted by turning the
downfeed knob on the control panel. Rate of feed
is important to band saw performance; excessive
pressure may break the blade or stall the saw.
Ins ufficient pressure rapidly dulls the blade.
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Material chips or shavings are the best indicator of
proper speed and downfeed. The ideal chip is thin,
tightly curled, and warm to the touch. Chips that
range from golden brown to black indicate
excessive force. Blue chips indicate extreme heat
from too high a band speed, which will shorten
blade life. Thin or powdered chips indicate
insufficient downfeed rate.
9. Install all guards, close covers and fasten
securely. Connect machine to power and run
freely for approximately two minutes.
10. Turn power off and re-check blade tension and
wire brush adjustment. If further adjustment is
necessary, disconnect saw from power source,
make adjustments, and re-connect to power.
11.8 Changing blades
Disconnect machine from the
power source before making any adjustments
or repairs. Failure to comply may result in
serious injury.
1. Raise the saw arm approximately 6".
2. Disconnect machine from power source.
3. Open both wheel covers and clean chips out of
both wheel housings. Loosen lock knobs and
remove upper and lower blade guards.
4. Release blade tension by turning blade
tensioning handwheel (A, Figure 8) counterclockwise until blade is free.
11.9 Blade guide adjustment
11.9.1 Bearing guides
The bearings come pre-adjusted from the factory.
If adjustment is needed follow the below steps.
Refer to Figure 9.
1. Disconnect machine from power source.
2. Loosen two hex socket cap screws (A, F igure
9).
3. Move guide seat (B) up or down until an
approximate clearance of .003" between blade
and bearing is obtained, (C).
4. Tighten two hex socket cap screws (A).
Figure 8
5. Loosen lock handle and slide left blade guide
arm (B, Figure 8) to the right as far as
possible.
Remove old blade from both wheels and out of
each blade guide.
Even dull blades are sharp
to the skin. Use extra caution handling
band saw blades.
6. Install a new blade making sure teeth are
pointed downward in the proper cutting
direction.
7. Position blade on wheels and tighten just
enough to hold blade on wheels. Make sure
back of blade rests lightly against the wheel
flange of both wheels. Twist blade slightly to
allow it to slip into guides.
8. Tension blade to approximately 25,000 lbs.
Blade tension is indicated on the tension wheel
shaft housing (left side).
Figure 9
Refer to Figure 10:
5. Adjust the eccentric bearings (A, Figure 10) by
loosening hex socket cap screw (B) about one
full turn.
6. With a 19mm wrench turn hex nut (C) until the
ball bearings are approximately .003” from
blade. Note: Do not pinch the blade.
7. Tighten the hex socket cap screw (B) while
holding the hex nut (C) in place.
8. Repeat for other blade guide assembly.
9. Connect machine to power source.
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Figure 10
11.9.2 Stationary guides
The stationary blade guides come pre-adjusted
from the factory. If adjustment is needed, follow the
below steps.
Refer to Figure 11.
1. Disconnect machine from power source.
2. Adjust spring loaded blade guide (A, Figure
11) by loosening or tightening the guide
adjustment screw (B).
Blade tracking has been set at the factory and
should require no adjustment. If a track ing problem
occ urs, adjust the machine as follo ws:
Tracking adjustment is done
with the wheel covers open to observe the
blade. Use extreme caution to prevent coming
into contact with the blade.
1. Raise saw arm to its highest position.
2. Locate tracking adjustment plate on the
backside of the idle wheel.
3. Loosen the three bolts (A, Figure 12) located
on the top of the tracking nuts.
4. Tracking adjustment is accomplished by either
loosening or tightening three adjusting nuts (B,
Figure 12).
5. Tracking is set properly when the back of the
blade lightly touches the wheel flange. Note:
over-tracking (allowing blade back to rub hard
against wheel flange) will damage the blade
wheels and blade.
6. Tighten locking bolts (A) once proper tracking
is completed.
3. The blade guide should place a light pressure
on the blade.
4. Connect machine to the power source.
Figure 11
11.10 Blade tracking adjustment
Since tracking can only be adjusted while machi ne
is running, it is suggested that this adjustment be
accomplished by qualified personnel that are
familiar with this type of adjustment and the
dangers associated with it.
Figure 12
12.0 Maintenance
12.1 Lubrication and gearbox
All ball bearings are permanently lubricated and
sealed. They require no further lubrication.
The gearbox lubricant should be changed after the
first 3 months of operation. Use Mobil SHC 634, or
equivalent. Change lubricant from then on every
year.
To check level of gear box lubricant, place arm in
down position and allow a few minutes to pass so
that oil drains down. Check level in sight glass on
side of gear casing. Correct level is the dot in t he
middle of sight glass.
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To change gear box lubricant:
1. Disconnect machine from power source.
2. Remove drain plug and allow lubricant to drain
completely. The drain plug is located on lower
front of gear case under right wheel cover.
Remove drain plug with a hex wrench.
3. Reinstall drain pl ug.
4. Remove filler cap and fill gearbox with Mobil
SHC 634 until level reaches dot in middle of
sight glass.
5. Reinstall filler cap.
6. Use Mobil DTE® Oil Heavy Medium to
lubricate all other moving parts as needed.
12.2 Hydraulic pump
Figure 14
If you need to add hydraulic fluid to the tank
remove cap (A, Figure 13). Add Mobil DTE® 24
until the black ball floats to the full position.
Figure 13
12.3 Coolant pump
The coolant tank should be filled with 6 gallons of a
cutting coolant. Fill by pouring coolant into the chip
tray. Add coolant in the same manner when
coolant is low. To drain coolant, remove hex cap
screw (A, Figure 14). Follow all coolant
manufacturer’s instructions for safety, mixing
disposal, etc.
12.4 Replacing variable speed belt
1. Disconnect the machine from power source.
2. Take the belt co ver off by removing the knob
and washer.
3. Loosen tension on the belt by turning the
variable speed dial (A, Figure 15) to t he lowest
setting. This will allow you to remove the belt
(B, Figure 15).
4. W hen installing the new belt, turn the pulley by
hand while increasing variable speed dial
sett ing.
5. After running the machine, additional
adjustment of the variable speed dial may be
needed.
The spray nozzle (B, Figure 14) e nables the user
to wash chips out of the way. There are three ball
valves that control the coolant distribution to the
spray nozzle and each blade guide.
Figure 15
13.0 Replacement parts
Replacement parts are listed on the followi ng pages. To order parts or reach our service departm ent, call 1800-274-6848 Monday through Friday, 8:00 a.m. to 5:00 p.m. CST. Having the Model Number and Serial
Number of your machine available when you call will allow us to serve you quickly and accurately.
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13.1.1 HBS-1321W – Bed and Base Assembly – Exploded View
12
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13.1.2 HBS-1321W – Bed and Base Assembly – Parts List
157 ............ 1321W-157................ Arm Up Switch ......................................................... ...................................... 1
158 ............ 1321W-158................ Arm Down Switch .................................................... ...................................... 1
173 ............ 1321W-173................ Spring Support Shaft ............................................... ...................................... 1
174 ............ 1321W-174................ Belleville Spring ....................................................... W=2.5mm ................... 16
LS1 Cut off Limit Switch 1321W-45
LS2 Roller Limit S witch 1321W-45-1
SB1 Emergency Switch 1321W-156
SB2 Start Switch 1321W-154
SB3 Arm Down Switch 1321W-158
SB4 Arm Up Switch 1321W-157
SB5 Stop Switch 1321W-155
HL Power Indicator Light 1321W-153
TC Control Transformer 1321W-76
FU1 3A Fuse 1321W-77-1
FU2 3A Fuse 1321W-77
M1 Magnetic Switch (w/OL) 1321W-74
M2 Magnetic Switch 1321W-74-1
M3 Magnetic Switch 1321W-74-2
R1 Arm Up Relay 1321W-75
R2 Arm Down Relay 1321W-75-1
SA1 Coolant Pump On / Off Switch 1321W-159
SOL SOL Valve 1321W-152
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427 New Sanford Road
LaVergne, Tennessee 37086
Phone: 800-274-6848
www.jettools.com
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