JET 718200K User Manual
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Operating Instructions and Parts Manual
8-inch Woodworking Jointer
Models JJ- 8C S an d JJ- 8 HH
Model JJ-8CS Model JJ-8HH
JET
427 New Sanford Road
LaVergne, Tennessee 37086 Part No. M-708458
Ph.: 800-274-6848 Revision H2 02/2014
www.jettools.com Copyright © 2014 JET
Warranty and Service
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 Informa tion
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 Applies
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 WARRANTIES 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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Table of Contents
Warranty and Servic e .............................................................................................................................. 2
Table of Contents .................................................................................................................................... 3
Warning ................................................................................................................................................... 4
Introduction ............................................................................................................................................. 5
Levers and Controls ................................................................................................................................ 6
Specifica tions ................................................................................................................ .......................... 6
Unpacking and Cleanup .......................................................................................................................... 7
Unpacking and Cleanup ....................................................................................................................... 7
Installing B ed to Stand ......................................................................................................................... 8
Installing P edest al Switch (JJ-8HH only) .............................................................................................. 8
Installing Handwheel s .......................................................................................................................... 9
Assembling Knife-Setting Gauge (JJ-8CS only) .................................................................................... 9
Installing V-Belts .................................................................................................................................. 9
Installing Cutterhead Guard ................................................................................................................ 10
Installing Access Door ........................................................................................................................ 10
Installing Dust Chute .......................................................................................................................... 10
Electri c al Connec tions ........................................................................................................................ 10
Extension Cords................................................................................................................................. 11
Adjustments .......................................................................................................................................... 11
90° Fence Adjustment ........................................................................................................................ 11
45° Fence Adjustment ........................................................................................................................ 12
Leveling Outfeed Table to Cutterhead Knives .................................................................................... 12
Removing and Replacing Knives (JJ-8CS only) .................................................................................. 14
Replacing or Rotating Knife Inserts (JJ-8HH only) .............................................................................. 14
Gib Adjustment .................................................................................................................................. 15
Operation .............................................................................................................................................. 1 5
Jointing Warped Material .................................................................................................................... 16
Direction of Grai n ............................................................................................................................... 16
Bevel Cut ........................................................................................................................................... 16
Taper Cut ........................................................................................................................................... 17
Rabbet Cut ........................................................................................................................................ 17
Maintenance .......................................................................................................................................... 18
Lubrication ......................................................................................................................................... 18
Blade Care ......................................................................................................................................... 18
Sharpening the Kniv es (J J - 8CS only ) ................................................................................................. 18
Cutterhead Rem ov al .......................................................................................................................... 1 8
Replacement Parts ................................................................................................................................ 20
Fence As sembly (al l mod els) ................................................................................................... .......... 21
Parts List – Fence Assembly (all models) ........................................................................................... 21
Bed Assembly (all models) ................................................................................................................. 22
Parts List – Bed Assembly ( all m odels) ............................................................................................... 23
Stand and Motor Assembl y (JJ- 8CS only) .......................................................................................... 24
Parts List – Stand and Mot or Assembl y (JJ - 8CS only ) ........................................................................ 25
Stand and Motor Assembl y (JJ- 8HH only ) .......................................................................................... 26
Parts List – Stand and Mot or Assembl y (JJ-8HH only) ........................................................................ 27
Parts List – Cutterhead A ssembly (JJ-8CS only)................................................................................. 28
Parts List – Cutterhead A ssembly (JJ-8HH only) ................................................................................ 29
Electri c al Connec tions (JJ-8CS only) .................................................................................................. 30
Electric al Connec tions (JJ-8HH only).................................................................................................. 31
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Warning
1. Read and understand t he entire owners manual bef or e attempti ng assem bly or operation.
2. Read and understand the warning s posted on t he m achine and i n this manual. Failure t o comply wit h
all of these warnings m ay cause seriou s i njury.
3. Replace t he warning labels if they become obscured or removed.
4. This jointer is designed and i ntended for use by prope rly trai ned and experienced personnel only. If
you are not familiar with the proper and safe operation of a jointer, do not use until proper training and
knowledge have been obtained.
5. Do not use this j ointer for ot her than i ts intended u se. If used for ot her purpos es, JET di sclaim s any
real or implied warranty and holds itself harmless from any injury that m ay result from that use.
6. Always wear approved safet y glasses/face shi elds while using thi s jointer. Ev eryday eyeglasses only
have impact resistant lenses; they are not safety glasses.
7. Before operati ng this jointer, remove tie, rings, watches an d other jewelry, and roll sleeves up past
the elbows. Remove all loose clothing and confine long hair. Non- sl ip footwear or anti-skid floor st r ips
are recommended. Do not wear gloves.
8. Wear ear protectors (plugs or muffs) during ex tended periods of operation.
9. Some dust created by power sanding, sawing, grinding, drilling and other construction activities
contains chemicals known to cause c anc er , birth defects or other reproductive harm. Some examples
of these chemic als are:
• Lead from lead based paint.
• Crystalli ne sil ic a from bricks, cement and other masonry produc ts.
• Arsenic and chromium from chemically treated lumber.
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.
10. Do not oper ate this machine while tired or under t he influence of drugs, alcohol or any medic ation.
11. Make c er tain the switch is in the OFF position before connecting the machine to the power supply.
12. Make c er tain the machine is properly grounded.
13. Make all machine adjustments or mai ntenance with the machine unplugged from the power source.
14. Remove adjusting keys and wrenches. Form a habit of checking to see that keys and adjusting
wrenches are removed from the machine before turning i t on.
15. Keep safety 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.
16. Make sure t he jointer is firmly secured to the stand or a bench before use.
17. Check damaged parts. Before further use of the machine, a guard or other part that is damaged
should be carefully checked to determine that it will operate properly and perform its intended
function. Chec k for alignment of moving par ts, binding of moving parts, breakage of parts, mounting
and any other condi ti ons that m ay affect its operati on. A guard or ot her part that i s damaged should
be properly repaired or replaced.
18. Prov ide for adequate space surrounding work area and non-glare, over head lighting.
19. Keep t he floor around the machine clean and free of scrap mater ial, oil and grease.
20. Keep visitors a safe distance from the work area. Keep children away.
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21. Make y our workshop child proof with padlock s, m aster switches or by removing starter k ey s.
22. Giv e your work undivi ded attention. Looki ng around, carryi ng on a conversati on and “horse-play” ar e
careless acts that can r esul t in serious injury.
23. Maintai n a balanced stance at all times so that you do not fall or lean against t he knives or other
moving part s. Do not over r eac h or use excessive force to perform any machine oper ation.
24. Use the right tool at the correc t speed and f eed rat e. Do not force a t ool or attac hment to do a j ob for
which it was not designed. T he ri ght tool will do the job better and saf er.
25. Use recommended accessories; improper accessories may be hazardous.
26. Mai ntain tools with care. K eep knives sharp and clea n for the best and saf est performance. Foll ow
instructions for lubricating and changi ng ac c essori es.
27. Turn of f the m achine and discon nect f rom power bef ore cleani ng. Use a bru sh or com pressed air to
remove chips or debris — do not use your hands.
28. Do not stand on the machine. Serious injury c ould oc c ur if the mac hi ne tips over.
29. Never leave the machine runni ng unattended. Turn the power off and do not leave the machine until it
comes to a complete stop.
30. Remove loose items and unnecessary work pieces from the area before starti ng the mac hine.
Familiariz e you rself with the following safety notices u sed in this manual:
This means that if precautions are not heeded, it may result in mi nor i njur y and/or
possible machine damage.
This means that if precautions are not heeded, it may result in serious injury or possibly
even death.
Introduction
This manual is provi ded by JET covering the saf e operation and mai ntenance procedures for the JET
Model JJ-8CS and JJ-8HH Woodworking Jointers. This manual contains instructions on installation,
safety prec autions, general operating pr ocedures, maintenance i nstructi ons and parts breakdo wn. This
machine has been designed and constructed to provide years of trouble free operation if used in
accordance with instructions set forth in this manual. If there are any questions or comments, please
contact eit her y our l oc al suppli er or JET. JET can also be reached at our web site: www.jettools.c om .
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Levers and Controls
1. Handwheel for Outf eed Table 8. On/Off Switch (Pedestal style on JJ-8HH)
2. Outfeed Table 9. Rabbeting Ledge
3. Fence 10. Table Lock Knob
4. Fence Adjustment Handle 11. Fence Tilt Lock Handle
5. Cutter Guard 12. Fence Contr ol Handle
6. Infeed Table 13. Belt Guard
7. Handwheel for Infeed Table 14. Dust Chute
Specifications
Model JJ-8CS JJ-8HH
Stock Number – Bed and Stand Kit ................................ 708458K................................................ 708468K
Stock Number – Bed Assembly ..................................... 708458J................................................. 708468J
Stock Number Stand...................................................... 708458S................................................ 708460S
Cutting Capacity ....................................................... 8"W x 1/2"D ........................................... 8"W x 1/2"D
Cutterhead Speed ...................................................... 5500 RPM.............................................. 5500 RPM
Number of Knives ...................................................................... 3....................................... 36 knife inserts
Rabbeting Capaci ty .............................................................. 1/2"......................................... not applicable
Rabbet Ledge ........................................................ 3-1/8" x 8-3/4 "........................................ 3-1/8" x 8-3/4"
Table Surface .......................................................9”W x 66-1/2”L....................................... 9”W x 66-1/2”L
Fence ...................................................................4”W x 38-1/2”L....................................... 4”W x 38-1/2”L
Knife Size .................................................. 8”L x 11/16”W x 1/8”T......................... 0.59”L x 0.59”W x 0.10T
Fence Tilt ................................................................... 45ºL, 45ºR ............................................ 45ºL , 45ºR
Positive Stops...................................................... 45ºL, 90º, 45ºR...................................... 45ºL, 90º, 45ºR
Motor ................................................ 2HP, 1Ph, 60Hz, 230V only.................... 2HP, 1Ph, 60Hz, 230V only
Net Weight, Joint er and Stand ( appr ox .) ......................... 400 lbs.................................................... 411 lbs
Shipping Weight , Jointer and Stand ................................ 495 lbs.................................................... 505 lbs
The above specifications were current at the time this manual was published, but because of our policy of
continuous impr ovement, JET reserves the ri ght to change specific ations at any time and without prior
notice, without incurring obligations.
6
Unpacking and Cleanup
Cont en ts of Shipping Carton s
Note: Unit shipped in two cartons.
Stand Carton
1 Stand with Mot or
1 Stand Door
1 Dust Chute with Mounting Hardware
1 Pedestal Switc h with Mounting Hardware
(JJ-8HH only)
Main Unit Carton
1 Bed Assembly
1 Fence Assembly
1 Cutterhead Guard
1 Belt Guard
2 V-Belts
2 Handwheels with handle
1 Fence Handle
3 Mounting Bolts
3 3/8" Lock Washers
1 Operating Instr uc tions and Parts Manual
1 Warranty Card
Tools Included with JJ-8CS
1 12/14mm Open End Wr enc h
1 8/10mm Open End Wrench
3 Hex Wrenches (3, 4 and 5 mm)
1 Knife Gauge Assembly
Tools included with JJ-8HH:
1 12/14mm Open End Wr enc h
1 8/10mm Open End Wrench
4 Hex Wrenches (3, 4, 5, 6 mm)
2 Star Point Screwdrivers
5 Knife Inserts
10 Knife Insert Screws
Tools Required for Assembl y:
#1 Cross Point Screwdriver
6-8” Adjustable Wrench or 17 & 19mm Wrench
Unpacking and Cleanup
1. Carefully finish removing all contents from
both shipping car tons. Compare cont ents of
the shipping car tons with the l ist of content s
above. Place part s on a prot ec ted surface.
2. Set packing material and shippi ng c ar tons to
the side. Do not discard until machine has
been set up and is running properly.
3. Clean all rust protected surfaces (bed,
fence, etc.) with kerosene or diesel oil. Do
not use gasoline, paint thinner, mineral
spirits, etc. These may damage painted
surfaces.
7
Cutterhead knives are
dangerously sharp! Use
extreme cautio n when cl eani ng.
4. Appl y a thi n layer of paste wax t o the bright
surfaces of the fence and t ables to prevent
rust.
Installing Bed to Stand
1. Use an assistant or hoist mechanism to
place bed assembly on top of stand. Be
sure identifi cati on label on t he bed fac es the
same direction as the label on the stand
(Fig. 1).
2. Line up two holes i n top of stand with holes
in bed assembl y by viewing through acces s
door in stand.
3. Attach bed assembl y to stand with two 3/8"
lock bolts and l ock washers (Fig. 2). Hand
tighten only at t his tim e.
4. Line up thir d hole in stand with hole in bed
assembly by viewing t hr ough dust c hute.
Figure 1
5. Install third 3/8" lock bolt and lock washer
through dust chute t o secure bed to stand.
6. Tighten all three mounting bolt s with 14mm
wrench.
Installing Pedestal Switch (JJ-8HH only)
Referring to Fi gur e 3:
1. The switch may be installed in either high
position or l ow position to suit the operat or.
Slide the connection plug through the
opening (A) and secure the pede stal switch
using two 5/16”x3” screws (C) and 5/16” flat
washers (B).
2. Connect the plug from the pedestal switch
to the motor plug inside t he c abinet.
Figure 2
Figure 3
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Installing Handwheels
1. Remove protective tape from shaft, and
remove screw and washer.
2. Press handwheel (A, Fig. 4) onto shaft,
aligning the keyway with the key. If
necessary, use a hammer with a block of
wood to tap the hand wheel complet ely onto
the shaft.
3. Re-install screw and washer (B, Fig. 4).
4. Mount handl e ( C, Fig. 4) onto handwheel.
Assembling Knife-Setting Gauge (JJ8CS only)
Place the t wo ba se s (A, Fig. 5) ont o eac h end of
the bar (B, Fig. 5). Snap the four E-rings (C,
Fig. 4) into the grooves on the bar as shown,
one E-ring on each si de of a base.
Installing V-Belts
Figure 4
1. Disconnect the machine from the power
source, unplug.
2. Remove the lock knob (A, Fig. 6) and belt
guard (B, Fig. 6).
3. Place v - belts onto cutterhead pul ley grooves
and through opening i n st and.
4. Pull v-belts down and place onto motor
pulley (Fig. 7). If necessary, loosen the
mounting screws (A, Fig. 7) and slightly lift
motor. Re-tighten the screws when belt is
placed.
5. Check to make sure that motor pulley and
cutterhead pulley are vertically aligned and
the v-belt does not contact the sides of the
opening in the base. If the pulleys are not
aligned, loosen t he screws (A, F ig. 7) on the
motor base and sli de the m otor unt il the belt
is aligned. Re-tighten screws.
6. The v -belt i s properly tensioned when f inger
pressure on the belt half way between the
two pulleys cau se s 1/2" deflection. If the belt
is too loose, loosen the lower screws (B,
Fig. 7) on the mounting plate and push
down on the plate. When belt tension is
correct, re-tighten screws.
Figure 5
Figure 6
7. After two hours of operation, check belt
tension again. Re-t ensi on if necessary.
8. Re-install belt guard and lock knob.
Figure 7
9
Installing Cutterhead Guard
Orient guard (Fig. 8) in proper position and
insert post int o hole i n table. Tighten l ock screw
(A, Fig. 8) .
Installing Access Door
Install access door by placing bottom of panel
into access in stand and fastening by turning
latch ( Fig. 9) .
If the access door latch need s adju st ment:
1. Remove the acc ess door from the stand.
2. Loosen t he hex lock nut (A, Fig. 9). Rotate
the latch a quar ter turn clockwise to ti ghten
and countercl oc k wise to loosen.
3. Tighten the lock nut (A, Fig. 9).
4. Re-install the access door.
Installing Dust Chute
Attach the dust chute (Fi g. 10) t o the stand wit h
four screws and four flat washers, through the
pre-tapped holes i n the stand.
Figure 8
Figure 9
Electrical Connections
Electrical connections must
be made by a qualified electrician in
compliance with all relevant codes. This
machine must be properly grounded to help
prevent electrical shock and possible fatal
injury.
Model JJ-8CS: Rem ove the cover of the switch
box (A, Fi g. 11) and mount the box to the right
side of the stand using t he two scre ws prov i ded.
Insert the motor leads through the hole in the
stand as shown, and i nsert a grommet (B, Fig.
11).
Consult the wiri ng diagram insi de the switc h box
cover. The diagram is also on page 30 of this
manual.
Figure 10
Figure 11
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