Walter Meier (Manufacturing) Inc., warrants every product it sells. If one of our tools needs service or repair, one of
our Authorized Service Centers located throughout the United States can give you quick service. In most cases, any
of these Walter Meier Authorized Service Centers can authorize warranty repair, assist you in obtaining parts, or
perform routine maintenance and major repair on your JET® tools. For the name of an Authorized Service Center in
your area call 1-800-274-6848.
MORE INFORMATION
Walter Meier is consistently adding new products to the line. For complete, up-to-date product information, check with
your local Walter Meier distributor, or visit jettools.com.
WARRANTY
JET products carry a limited warranty which varies in duration based upon the product (MW = Metalworking, WW =
Woodworking).
WHAT IS COVERED?
This warranty covers any defects in workmanship or materials subject to the exceptions stated below. Cutting tools,
abrasives and other consumables are excluded from warranty coverage.
WHO IS C OVERE D?
This warranty covers only the initial purchaser of the product.
WHAT IS THE PERIOD OF COVERAGE?
The general JET warranty lasts for the time period specified in the product literature of each product.
WHAT IS NOT COVERED?
Five Year Warranties do not cover woodworking (WW) products used for commercial, industrial or educational
purposes. Woodworking products with Five Year Warranties that are used for commercial, industrial or education
purposes revert to a One Year Warranty. This warranty does not cover defects due directly or indirectly to misuse,
abuse, negligence or accidents, normal wear-and-tear, improper repair or alterations, or lack of maintenance.
HOW TO GET SERVICE
The product or part must be returned for examination, postage prepaid, to a location designated by us. For the name
of the location nearest you, please call 1-800-274-6848.
You must provide proof of initial purchase date and an explanation of the complaint must accompany the
merchandise. If our inspection discloses a defect, we will repair or replace the product, or refund the purchase price,
at our option. We will return the repaired product or replacement at our expense unless it is determined by us that
there is no defect, or that the defect resulted from causes not within the scope of our warranty in which case we will,
at your direction, dispose of or return the product. In the event you choose to have the product returned, you will be
responsible for the shipping and handling costs of the return.
HOW STATE LAW APPLIES
This warranty gives you specific legal rights; you may also have other rights which vary from state to state.
LIMITATIONS ON THIS WARRANTY
WALTER MEIER (MANUFACTURING) INC., LIMITS ALL IMPLIED WARRANTIES TO THE PERIOD OF THE
LIMITED WARRANTY FOR EACH PRODUCT. EXCEPT AS STATED HEREIN, ANY IMPLIED WARRANTIES OR
MERCHANTABILITY AND FITNESS ARE EXCLUDED. SOME STATES DO NOT ALLOW LIMITATIONS ON HOW
LONG THE IMPLIED WARRANTY LASTS, SO THE ABOVE LIMITATION MAY NOT APPLY TO YOU.
WALTER MEIER SHALL IN NO EVENT BE LIABLE FOR DEATH, INJURIES TO PERSONS OR PROPERTY, OR
FOR INCIDENTAL, CONTINGENT, SPECI AL, 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.
Walter Meier sells through distributors only. The specifications in Walter Meier catalogs are given as general
information and are not binding. Members of Walter Meier reserve 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® branded products are not sold in Canada by Walter Meier.
2
Table of contents
Section Page
Warranty and Service ............................................................................................................................................ 2
Table of contents ................................................................................................................................................... 3
Before operation .................................................................................................................................................... 4
Belt replacement ................................................................................................................................................... 5
Replacement Parts ................................................................................................................................................ 7
JSM-606 Mini Belt Sander ................................................................................................................................. 8
JSM-610 Mini Belt Sander ................................................................................................................................. 9
JSM-612 Mini Belt Sander ............................................................................................................................... 10
JSM-620 Mini Belt Sander ............................................................................................................................... 11
JSM-630 Mini Belt Sander ............................................................................................................................... 12
Safety warnings
1. Read and understand the entire contents of this manual before attempting operation.
2. Never operate a belt sander without proper eye and face protection.
3. Do not operate sander while wearing gloves, loose clothing, jewelry or anything that may get caught in a
rotating belt. Long hair must be contained.
4. Wear ear protectors (plugs or muffs) during extended periods of operation.
5. Do not operate sander over 100 PSI.
6. Do not operate sander without the silencer (muffler) installed.
7. Keep hands and fingers away from sanding belt.
8. Disconnect sander from air source before making repairs, adjustments or belt changes.
9. Some dust created by power sanding, sawing, grinding, drilling a nd other construction activities contain
chemicals known to cause cancer, birth defects or other reproductive harm. Some examples of these
chemicals are:
• Lead from lead based paint.
•
Crystalline silica from bricks, cement and other masonry products.
•
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. Use the right tool at the correct speed and feed rate. Do not force a tool or attachment to do a job for
which it was not designed. The right tool will do the job bett er and mor e safely.
11. Use recommended accessories; improper accessories may be hazardous.
12. Don’t use in dangerous environment. Don’t use power tools in damp or wet location, or expose them to
rain. Keep work area well lighted.
13. Failure to comply with all of the above warnings may lead to serious injury.
Air press u re (psi) .............................. 90 ..................... 90 ...................... 90 .......................... 90 ........................... 90
Air con sumption (CFM) ...................14.2 .................. 14.2 ................... 14.2 ....................... 1 8.4 ........................... 24
The specifications in this manual were current at time of publication, but because of our policy of continuous
improvement, Walter Meier (Manufacturing) Inc., reserves the right to change specifications at any time and without
prior notice, without incurring obligations.
70-100 PSI, and be rated at 3HP minimum for
models JSM-606/610/612. Models JSM620/630 require a compressor delivering 18-24
CFM rated at 5HP minimum.
2. Use 3/8” air hose between the compressor and
the sander.
3. To avoid moisture damage to the sander, use
an inline filter to trap moisture and an inline
oiler to keep the sander running at top
efficiency. These are placed inline between the
compressor and the sander. See Figure 1.
For further inform ation, see “Air Tool s – Instructio n
and Care” enclosed with the sander.
Before operation
Disconnect sander from air
hose before making any repair or adjustment.
Failure to comply may cause serious injury.
1. Run compressor and blow out hose before
connecting sander to clear line of any
contaminants.
2. Before connecting the hose to the sander, add
4 to 5 drops of air tool oil to the air inlet.
3. If an inline oiler is not used, add 4 to 5 drops at
the air inlet for every three to four hours of
operation.
4. Adjust head to desired angle and tighten hex
socket cap screw (A, Figure 2), with hex
wrench supplied.
Always tighten hex socket
cap screw firmly after adjustment, or the
head could rotate causing loss of control.
Figure 1
4
JSM-620/630:
Insert hex wrenc h into hex socket ca p screw and
turn clockwise or counterclockwise until belt is
cente red on i d le pulley. See Figure 4.
Figure 4
Figure 2
Tracking adjustment
Tracking adjustment requires
the sander to be connected to the hose and
running. Use caution when hands and tools are
close to a running belt. Failure to comply may
cause serious injury.
Belt is tracking properly on all models when
centered on the idle pulley.
JSM-606: no adjustment
JSM-610/612:
1. Loosen set screw with wrench. See Figure 3.
2. With belt running, turn adjusting screw
clockwise or counterclockwise until it is
centered on the idler pulley.
3. Tighten set screw.
Belt replacement
JSM-606/610:
1. Disconnect sander from air source.
2. Loosen hex cap screw (A , F igure 2), t urn head
90-degrees to the handle, and tighten screw to
lock. See Figure 5.
3. Steady the sander with one hand while
pushing down on the idle wheel assembly with
the other until assembly locks in place. See
Figure 5.
4. Remove old belt. Install new belt.
5. Press safety lever (A, Figure 5) to tension belt.
Figure 5
Figure 3
JSM-612:
1. Disconnect sander from air source.
2. Loosen hex cap screw (A , F igure 2), t urn head
90-degrees to the handle, and tighten screw to
lock. See Figure 6.
3. Steady sander with one hand while pushing
down on the idle pulley assembly and
removin g belt with the o ther.
4. Install new belt over idle pulley.
5. Push idle pulley assembly down and place belt
on drive pulley. See sequence in Figure 6.
5
Figure 6
JSM-620/630:
1. Disconnect sander from air source.
2. Loosen hex cap screw (A , F igure 2), t urn head
90-degrees to the handle, and tighten screw to
lock.
3. G rab hand le wit h t he le f t ha nd. P us h dow n o n
the idle pulley assembly and turn 1/8 of a full
turn clockwise to lock in place. See sequence
in Figure 7.
4. Remove old belt. Install new belt.
5. Push down and turn idle pulley assembly
counterclockwise to tension belt.
Figure 8
JSM-630:
1. Disconnect sander from air source.
2. Remove belt (see section titled “Belt
Replacement”).
3. Turn shoe holder (A, Figure 9) a quarter of a
turn with screwdriver to release shoe.
4. Insert new shoe and turn shoe holder to lock
new shoe. Replace belt.
Figure 7
Shoe Replacement
The shoe or sanding platen should be replaced
when, due to wear, it no longer sits flat but is
convex in shape.
JSM-606/610/612:
1. Disconnect sander from air source.
2. Remove belt (see section titled “Belt
Replacement”).
3. Remove screw(s) and remove old shoe.
4. Install new shoe and fasten with screw(s).
Make sure insert on shoe end engages slot on
sander body.
JSM-620:
1. Disconnect sander from air source.
2. Remove belt (see section titled “Belt
Replacement”).
3. Loosen hex socket cap screw (A, Figure 8).
Figure 9
Idle pulley replacement
Disconnect sander from air
hose before making any repair or adjustment.
Failure to comply may cause serious injury.
Follow diagram in Figure 10 for your sander model
when replacing the idle pulley.
4. Remove old shoe. Replace with new shoe.
5. Tighten screw (A) and replace belt.
6
Figure 12
Storage
1. Avoid storing sander in locations with high
humidity.
2. Before storing, apply four to five drops of air
tool oil at the air inlet and run for a short time.
Speed adjustment
All models have a brass screw used for belt speed
adjustment found on the underside of the handle.
This has been set at the factory. It is highly
recommended that the end user not attempt any
adjustment to the speed control.
Figure 10
Bracket replacement
JSM-606/610/612
1. Disconnect sander from air source.
2. Remove belt.
3. Pull out bracket in direction labeled A, Figure
11. Be careful not to lose spring.
Figure 11
4. Insert new bracket by lining up pin with pin
groove. See Figure 12.
Replacement Parts
Replacement parts are listed on the following
pages. To order parts or reach our service
department, call 1-800-274-6848 Monday through
Friday (see our website for business hours,
www.jettools.com). Having the Model Number and
Serial Number of your machine available when you
call will allow us to serve you quickly and
accurately.
7
JSM-606 Mini Belt Sander
39
43
38
37
35
41
42
44
36
40
46
24
4
16
32
33
25
30
2
34
31
19
20
1
18
12
14
15
17
27
21
13
45
23
22
Index Part No. Description Qty.
1
60601NPN
2
60602NPN
3
60603NPN
4
60604NPN
5
60605NPN
6
60606NPN
7
60607NPN
8
60608NPN
9
60609NPN
10
60610NPN
11
60611NPN
12
60612NPN
13 BB-607ZZ Ball Bearing 1
14
60614NPN
15
60615NPN
16
60616NPN
17
60617NPN
18
60618NPN
19
60619NPN
20 BB-628ZZ Ball Bearing 1
21
60621NPN
22
60622NPN
23
60623NPN
Housing 1
Guard Subass em bl y (w /60626) 1
Air Inlet 1
Lever 1
Valve Stem 1
Adjust Valve 1
O-Ring 1
Spring 1
O-Ring 1
Spacer 1
Retaining Ring 1
Spacer 1
Rear End Plat e 1
Rotor 1
Vane 4
Sunk Key 1
Cylinder 1
Front End Plat e 1
Shoe 1
Hexagon S ocket Head Bolt 1
Dust C over 1
Nipple 1
Spring 1
Silencer 1
Cross-Recessed Pan Hd Mach Screw 1
Lever Support 1
Cross-Recessed Pan Hd Mach Screw 3
Spring Washer 2
Hexagon Nut 1
Grinding Belt 1
Lock Pin 1
Cross-Recessed Fl at Hd Mach Screw 1
Idle Pulley Shaft 1
Spring 1
Tension B ar 1
Bushing 1
Idle Pulley 1
Spring Pin ø2. 5x8L 1
Spring 1
Safety Lever 1