Ryobi BDS4600 Operation manual

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OWNER'S OPERATING MANUAL
100mm x 150mm BELT & DISC SANDER
MODEL BDS46OO
THANK YOU FOR BUYING A RYOBI BELT & DISC SANDER
Your new Belt & Disc Sander has been engineered and manufactured to Ryobi's high standard for
dependability, ease of operation, and operator safety. Properly cared for, it will give you years of
rugged, trouble free performance.
A CAUTION: Carefully read through this entire owner's manual before using your
IL new Bel[ & Disc Sanier.
Pay close attention to the Rules for Safe Operation, Warnings and Cautions. lf you use your Belt & Disc
Sander properly and only for what it is intended, you will enjoy years of safe, reliable seryice.
Thank You again for buying Ryobi tools.
C Al'E TIJIC N'T A I\It I A I ErlEI EI ITI IEtE E)EEEEIEh,t'^E
-r
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Safety is a combrnation of common sense, stayrng alert
and knowing how your belt & disc sander works' Read this
manual to understand this sander.
r BEFORE USING THE SANDER
WARNING: To avoid mistakes that could cause
,"riorr, permanent iniury, do not plug the sander in
until the following steps are completed'
* Assembly and alignment.
. Learn the use and function of the ON-OFF switch'
backstop, belt tracking knob, belt tension lever, work
table and work table tilt lock nut.
. Review and understanding of all safety instructions and
operating procedures in this manual'
. Review of maintenance methods for this sander'
IWHEN INSTALLING OR MOVING THE SANDER
AVOID DANGEROUS ENVIRONMENT' Use the sander in
a dry, indoor place protected from rain' Keep work area
welllit.
Place the sander so neither the user nor bystanders are
forced to stand in line with the abrasive belt or disc'
To avoid iniury from unexpected sander movement:
. Always unplug the sander before moving it'
. Put the sander on a firm level surface where there is
plenty of room for handling and properly supporling the
workpiece.
. Support the sander so it does not rock'
. Bolt the sander to its work surface Use the fasteners
and method shown in "Assembly and Alignrnert '
. NEVER STAND ON TOOL. Serious in1"n c:- 1 :::-' '
the tooltips. Do not store anything above or nea':-3 i:l
where anyone might stand on the toolto reach then"''
To avoid iniury or death from electrical shock:
. GROUND THE SANDER. This sander has an approved
3-conductor cord and a 3-prong grounding type plug'
Use onty 3-wire, grounded outlets raled 240 volts' 15
amps. T'he green ionductor in the cord is the grounding
wire. To av6id electrocution, NEVER connect the green
wire to a live terminal.
. Make sure your fingers do not touch the plug's metal
prongs when plugging or unplugging the sander'
IBEFORE EACH USE
lnspect Your sander.
DISCONNECT THE SANDER. To avoid injury from
accidental starting, unplug the sander, turn off the switch
and remove the switch key before changing the setup'
sanding disc or belt or adjusting anything'
CHECK DAMAGED PARTS. Check for
. alignment of moving Parts,
. binding of moving Parts'
. broken parts,
. work parts that cause a gap lar.ger th-an 1 6mm
between work supporl stop and sanding surface'
. sanding belt narrower than 100mm' Narrower belts
uncovei parts that could trap your fingers'
o worn or damaged electrical cords'
. any otner conaltlolls tllal Illdy drruuL tr rE
works.
lf any part is missing, bent, or broken in. any way, or any
"r""tildrr parts don't-work properly, turn the sander off and
unpfrg ihe sander. REPLACE damagecl, missing, or failed
parts 6efore using the sander again.
MAINTAIN TOOLS WITH CARE. Keep the sander clean
forthebestandsafestperformance.Followinstructionsfor
lubricating.
REMOVE ADJUSTING KEYS AND WRENCHES from tool
be{ore turning it on.
To avoid injury from iams, slips or thrown pieces:
. USE ONLY RECOMMENDED ACCESSORIES.
Consult this owner's manual for recommended
accessories. Follow the instructions that come with the
accessories. The use of improper accessories may
cause risk of injurY to Person.
. Adjust any work support to clear the sanding surlace by
no more than 1.6mm. When checking clearance
between the belt and work support' press the belt flat
against the metal beneath it'
. Make sure all clamps and locks are tight and no parts
have excessive PIaY.
. KEEP WORK AREA CLEAN' Cluttered areas and
benches rnvite accidents. Floor must not be slippery'
To avoid burns or other fire damage, never use the sander
near flammable liquids, vapours and gases'
IPLAN AHEAD TO PROTECT YOUR EYES,
- HANDS, FACE AND EARS.
KNOW YOUR SANDER. Read and understand the
c,',^:f s manual and labels affixed to the tool' Learn its
a:: :a:.- a^a - iaiions as well as the specific potential
'.2)'a=:::- a'il :- s:ac
To avoid inlury from accidental contact with moving
parts:
. Don't do layout, assembly. or sel!p "';ork on the sander
while anY Parls are movirg
. AVOID ACCIDENTAL STARTING Make sure switch is
"OFF" before plugging sander into a power outlet'
Plan your work.
USE THE RIGHT TOOL. Don't force tool or attachment to
do a job it was not designed to do.
CAUTION: This machine is not designed for heavy
Jeburring operations. When finishing meta.ls-,.sparks
or hot frigments could cause a fire' To avoid this:
. Disconnect any dust collecting hose from the sander'
. Remove all traces of wood dust from inside the sander'
. Remove all traces of metal dust from inside the sander
before sanding wood again.
ELT & DISC SANDER

WEAR YOUR
Dress for safety.
Any power sander can throw foreign objects into the eyes.
This can cause permanent eye damage. Wear safety
goggles (not glasses). Everyday eyeglasses have only
impact resistant lenses. They are not safety glasses.
Glasses or goggles not in compliance with safety standards
could seriously hurt you when they break. Contact your
retailer for stores where safety goggles are available.
. Do not wear loose clothing, gloves, neckties or jewellery
(rings wrist watches or bracelets). They can get caught
and draw you into moving parts.
. Wear nonslip footwear
. Tie back long hair.
Noise levels vary widely. To avoid possible hearing
damage, wear ear plugs or muffs when using sander for
hours at a time.
. Sanding operations are usually dusty. Wear a dust
mask along with the safety goggles.
lnspect your workpiece.
Make sure there are no nails or foreign objects in the part
of the workpiece to be sanded.
Plan your work to avoid THROWBACKS - when the
workpiece catches on the sanding belt or disc and is
torn from your hands.
. Make sure there's no debris between the workpiece and
its supports.
. When sanding irregu ar1-v shacec \',cr(c eaes a a' \'a,r!''.',c'r
suppoft so it rvil not sl c a.J :e a - ?:'':- .:-' ^a-l:
. Use extra
',vo rkpieces
Plan the way you will hold the workpiece from start to
finish.
Avoid awkward operations and hand positions where a
sudden slip could cause fingers or hand to move into a
sanding surface. Keep fingers away from where the belt
goes into the dust trap.
DON'T OVERREACH. Keep good footing and balance.
Keep your face and body to one side, out of line with
possible throwback.
IWHENEVER SANDER IS RUNNING
WARNING: Don't let familiarity (gained from frequent
use of your belt and disc sander) cause a careless
mistake. A careless fraction of a second is enough to
cause a severe injury.
Before starling your work, watch the sander while it runs. lf
it makes an unfamiliar noise or vibrates a lot, stop
immediately. Turn the sander off. Unplug the sander. Do
not restart until finding and correcting the problem.
Make sure the sanding disc turns counterclockwise before
using the sander.
KEEP CHILDREN AWAY. Keep all visitors a safe distance
from the sander. Make sure bystanders are clear of the
sander and workpiece.
DON'T FORCE TOOL. lt will do the job better and safer at
its designed rate. Press the workpiece against the sanding
material only hard enough to let it sand without bogging
down or binding.
Before freeing any jammed material:
. Turn switch'OFF".
. Unplug the sander.
. Wait for all moving pafts to stop.
IBEFORE LEAVING THE SANDER
NEVER LEAVE TOOL RUNNING UNATTENDED. TURN
POWER OFF. Don't leave tool until it comes to a complete
stop.
MAKE WORKSHOP CHILDPROOF Lock the shop.
Disconnect the master srr,,rtches Remove the yellow switch
ke',,. Store rl a',',a!, from chiloren and others not qualified to
-:: : .- -
tsDS.1600
J f i/di.t5
. . .: 3C.,l- x 914mm
j35 metres minute
. 150mm
. ..2900 RPM
.....270mm x 180mm
Sano i: ) sc Speeo:
Sandrng Tab e Srze:
. Use extra supporls (tables. saw horses.
any workpieces large enough to tip v;he''
to the table top.
NEVER use another person as a substitute for a lac e
extension, or as additional supporl for a workpiece that
is longer or wider than the basic sander table. or to help
feed, support or pull the workpiece.
When finishing on the disc, always press the workpiece
against the "DOWN" side oJ the disc. Sanding against
the side coming up from under the table could damage
the work by making it "chatter," or tear the work from
your hands and throw it.
Sand only one workpiece at a time.
Clear everything except the workpiece and related
suppoft devices from the table before turning the sander
!l
- ^ _- i
'^'-=
. FORESIGHT IS
BETTER THAN
NO SIGHT
SAFETY GOGGLES
SPECIFICATIONS

ICOUr'reCTlNG TO POWER SUPPLY
This machine must be grounded while in use to proteci the
user from electric shock'
ln the event of a malfunction or breakdown' grounding
,io"iO"t i path of least resistance for electric current to
reduce the iisk of electric shock'
Plug power cord into a 24OY properly grounded type outlet
proi"tt.o by a 10 amp fuse or circuit breaker'
WARNING: To avoid electrocution: Do not let fingers
i;r';;h the terminals of plugs when installing or
removing the plug to or from the outlet'
WARNING: lf not properly grounded, this power tool
""n "rr"" an eleciricil sno6r, particularly when used
in a"mo tocations. lf an electrical shock occurs there
i" in" 'pot"ntial of a second hazard, such as your
hands iontacting the sanding surface'
ff-l,t po*"r. tool is equipped with a 3-conductor cord and
gr"r,ioi.g tvoe piug. ihe grouncl .o,n1r..tor.^li: ?]i:l--t^:l
Y;;;;"]"Ji *ilr, 6tu.n siripes and rs attached to the tool
i-ror=lng ,i on* un-d io the ground lug in the attachment
oiuo at"the otlrer end. if re"pair and repiacement of the
Ei"E,ri. ;;rJ ;; plug is necessarv, do not connect the
eq*pm*nt grounciing conductor to a live ierminal'
This plug requires a mating 3-conductor grounding type
ourtiei. Tiis outtet must b"e instailed and grounded in
accordance with all local codes and ordinances'
lf the grounding instructions are not completely understood
or it ydu are noit sure that your tool or outlet box is properly
grornO"O, check with a qualified electrician'
Useonly3-wlreextensioncordswhichhavegroundingtype
pf rgt i.O receptacles which accept the tools plug'
Separate all parts from packing materials and check each
item with illustration and "Table of Loose Parts "
Note: Make certain all items are accounted for before
discarding anY Packing material
WARNING: To avoid iniury' if any parts are missing'
do not attempt to assemble the Belt and Disc Sander'
oluo in the power cord, or turn the switch on until the
ilGting pr*. "t" obtained and installed correctly
WARNING: For your own safety, never connect F 'g Io
;;;;; ;;rice 'outlet, or insert switch kev ur-': ar!
assembly steps are complete and until you have reac
inA unAerstoba tne entire owner's manual'
TOOLS NEEDED
C:= -3;
l Omrn Wrench
:-
Phillips screwdriver
)"-;, gnt lrne on board
2 3"9 this edge
l:-c'ai cn Sq,are must be true
Combination Square
&:
6mm Hex "L" wrench
Should be no qap or overlaP
here when square is fliPPed
over in dotted Position'
,C,
{l
D
r------)
GO
srraiqnt edqe of board
19mri thick. This edge
must be PerfectlY
A./+-___
E(>z
B -----\t--l.
F- ll.D%\
(@rt
U
rr- /
TABLE OF LOOSE PARTS
Belt & Disc Sander Assembly
Owner's Manual
Table AssemblY
Work SuPPort StoP
Sanding Pad
Bag AssemblY
Containing the following Parts:
Screw,Hex Hd, M6x12
Alien KeY 4mm
Alien KeY 6mm
A
B
C
D
E
F
ECKING Cg
-a

I MOUNTING BEET AND DISC
SANDER TO WORKBENCH
lf belt and disc sander is to be used in a perman'ent
location, it should n" iuri"nio:securely to a 1rm supporting
tutfr"" such as a workbench'
lf mounting to a workbench' holes should be drilled
i;;;;;ii' ;ripporting"'suriace'ot the workbench usins
dimensions illustrated'
1. The unit shoutd be bolted securely..uslno .s91ew1a1!
hex nuts (not incf-uieO)' -screw.tenlth should be 38mm
pf ut tf," thickness of the benchtop'
2. Looate and mark the holes where belt and disc sander
is to be mounted'
3. Drilltwo diameter holes through workbench'
4. Place belt and disc sander on workbench aligning holes
- ;;;;*it r'ot"t drilled in workbench'
5. lnsert two screws and tighten hex nuts'
Analternatemethodofmountingistofastenbeltanddisc
sander to a mountinq bliro ihe board should be of
sufficient size to uuo'iiipping of sander-while in use' Any
;;;;;;o; ol prv*o'ii o"r chipboard with a lemm
minimum thicKness 't "'"***tnded (Thinner chipboard
can break.)
CAUTION: To avoid iniury from tool movement' use
8mm or larger screws and nuts'
1. Follow rnstructions f or mounting to wgrf U-91q!t
' s,iosiiiuting a ooiro 457mm x 6.1Omm minimum stze
and using ttat neiicrlws' lockwashers' and hex nuts
(not rncludeOl. ScLw fength should be 38mm plus the
ir'i.xn".. of the mounting board'
Note: For proper stability, holes must be countersunk so
screw heads;;;'ii';; ;ith the bottom surrace or
suPPorting board'
CAUTION: To avoid iniury from tool movement'
;tn*i :m ll'kY*;::'P:' I'1,,,m",'.xl$i! ii
insurethatnomo,ementduringusecanresult.lfany
iifii;d';; *rixi"g it noted' l-""-Y,t-" workbench or
supporting ","""o" before operating belt and disc
sander.
I CLAMPING BELT AND DISC
SANDER TO WORKBENCH
61cfr.-r
l- I
outline of Sander
EI
s
{r
T-= -:' a-l l:- ::' -= --.-'
y;Orrb€.C. _S - I :,', - a' -' -"=
rn no . )a..') -' :1-' a': -' -
\vr vv
^ - -_-.: l '!-t ,, lo 3
- A !=J 'J' ts_.' '"
: ;-:: -- :::: :' '- '
Fig 1
gaao 6
ISSEMBLY

I INSTALLiN-G SANDING DlSg 4ND GUARD
1. Locate sandrng oiil:dhiipeei backing from disc' Align
' ;;ffi;i;t ot "0i." with plate and press f irmlv into
position all the waY around'
2. Locate disc guarcl and two pan head screws,51'1 2 r 10'
from loose oarts bag
3. Position disc guard against lower 1/3 of disc aligning
holes as shown.
4. Using phillips head screwdriver, fasten the
..i",it' securely applying slight pressure to pan head
thread the
holes.
Fig 7A
Table
2. Tighten the hex bolt as shown'
I IruSTEILING WORK SUPPORT STOP
T'Lb-.ii.i*iit<iupport stop and hex screws M6 ' 1l
washer and lockwasher'
2. Hold work support stop into position ano fas:en as
I IruSTRILING TABLE ASSEMBLY
1. lnsert the index pin into the hole as shown
WARNING: To avoid the trapping the work or fingers
let','reen the table and sanding surface' the table edge
1 Table adiusts from 0o to 45oby loosening and tightening
the adjustment knob as shown'
shown. Do not overtighten'
should be a maxirnum of 1'6mm from sanding surface'
lndex Pin
Fig 78
*.
A
tr

I AUXTLTARY MOUNTTNG
FOR VERTICAL SANDING
1. Tighten the hex bolt as shown"
I souaRIruG TABLE ASSEMBLY
WABNING: To avoid injury from accidental starting, make
sure tool is unplugged before aligning.
1. Using a combination square, check the angle of the worktable
with the disc.
Note: The combination square must be "true' - (See Unpacking -
Tool's Needed" section for checking method.)
2. lf the table is not 90u with the disc, loosen the table lock nut
screw and tilt table.
3. Adjust worktable square to the disc and retighten table lock nut.
4. Attach scale label to 0o mark on dust quard.
I INSTALLING THE SANDING BELT-
TENSIONING AND TRACKING
WABNING: To avoid injury from accidental starting, turn
switch "OFF", remove key and remove plug from power
source outlet before removing or installing sanding belt. To
avoid iniury from belt failure, use only sanding belts
recommended by the seller.
On the smooth side of the sanding belt, you w l f nd a directional
arrow". The sanding belt must run in the directron of this arrow so
that the splice does not come apan.
1, Slide tension lever to the right to release the belt tension.
2. Place the sanding belt over the drums with the directional
arrow pointing as shown. Make sure the beit is centred on
both drums.
3. Slide tension lever to the left to apply belt tension.
tr
"OFF", noting if the belt tends to slide off the idler drum or
drive drum. lf it did not tend to slide off, it is TRACKING
properly.
lf the sanding belt moves toward the disc, turn the tracking
knob clockwise 114 turn.
lf the sanding belt moves away from the disc, turn the
tracking knob counterclockwise 1 l4 lurn.
Turn switch "ON" and immediately "OFF" again, noting belt
movement. Readjust tracking knob if necessary.
B After tracking the belt. switch the machine off and place a spirit
leve on the belt and move the sanding arm until level using the
adjustment nuts and then lock with a wrench as shown.
6.
4. Plug in the power cord. Turn switch "ON" and immediately
1. lnsert the index pin into the hole as shown

Fig 14
Belt
Bed
6
Auxiliary
Mounting Hole
5
Table Lock
Nut
2A
Vertical& Horizontal
Adjustment Holes. Mounting Hole
28
Table Locking
Hex Head Bolt
1
Work Support StoP
Fig 15
Sanding Belt
4 Tension Lever
Sanding PIate
Sanding
J
Tracking
Knob
Worktable
Assembly Disc Guard
Mounting
Hole
WARNING: To avoid injury from accidental starting,
turn switch "OFF" and-remove the plug from power
source outlet before making any adiustments'
1. Work Support Stop. Supports the workpiece on the
sanding belt.
2A. Vertical & Horizontal Adjustment Holes. Verlical and
-- horiiontal adjustment hole-s for inserlion of allen wrench
to adjust beltirom horizontalto veftical position'
28. Table Locking Hex Head Bolt. Hex head bolt for
locking worktable assemblY.
3. Tracking Knob. Turning knob counterclockwise causes
sanOinfOett to move t-owards the disc, turning knob
Tension Lever. Sliding lever to the right releases the
sanding belt tension, stiOing Iever to the left applies
belt tension.
Table Lock Nut. Loosening nut allows the worktable
to be tilted lor bevel sanding. (Scale pointer on table
trunnion; scale attached to base.)
Auxiliary Mounting Hole. Allows table assembly. to
be mounied lor end-sanding when the bed is placed in
vertical position.
On-Off Switch.
4.
5.
6.
7.
GETTING TO KNOW YOUR BELT AND DISC SANDER

I ON.OFF SWITCH
The On-Off switch has a locking feature. THIS FEATURE
IS INTENDED TO HELP PREVENT UNAUTHORISED
AND POSSIBLY HAZARDOUS USE BY CHILDREN AND
OTHERS.
1. To turn machine "ON" insert key into switch as shown.
t^
72.
I
t
lnsert finger under switch
shown. lever and switch on as
3. Turn switch "OFF" as shown.
NEVER LEAVE THE MACHINE UNATTENDED UNTIL IT
HAS COME TO A COMPLETE STOP.
4. To lock switch in OFF posrtion.,. remcve key with hand
as shown.
WARNING: For your own safety. always Iock the
switch "OFF" when machine is not in use... remove
key and keep it in a safe place...also..,in the event of a
power failure (all of your lights go out) turn switch
off...remove the key and store it remote from belt and
disc sander.

I BEVEL SANDING
The worktable can be tilted from 0o to 45'for bevel
sanding. Loosen the table lock nut and tilt the worktable to
desired angle as shown. Retighten table lock nut.
WARNING: To avoid trapping the work or fingers
between the table and sanding surface, the table
should be repositioned on the table support to retain a
maximum of 1.6mm distance between sanding surface
and table.
I6Eglrr?JM.ENr FRoM HoRrzoNrAL ro vERrrcAL
1. To adjust the sanding belt assembly f rom horizontal to
vertical position insert the allen wrench provided into
the holes marked horizontal position as shown, and
turn in an anti clockwise direction until both screws
inside the holes are loose and the belt assembly can
move.
2. Move the belt assembly arm to the vertical position as
shown.
3. To lock the sanding belt assembly arm in the vertical
position insert the allen wrench into the holes marked
vertical position (as shown) and turn the two scre\^,/s
inside the holes in a clockwise dtrection until tight
BASIC OPERATION
Fig20
Worktable
Fig21

I END SANDING ON THE SANDING BELT
It is more convenient to sand the ends of long workpieces
with sanding belt in a vertical position.
Move the work evenly across the sanding belt. For
accuracy, use a mitre gauge.
I SURFACE SANDING ON THE SANDING BELT
WARNING: To avoid injury from slips, jams or thrown
pieces, adjust the backstop to clear the sanding
surface by no more than 1.6mm. When checking
clearance between the belt and work support, press
the belt flat against the metal beneath it.
Hold the workpiece firmly, keeping {ingers away from the
sanding belt.
Keep the end butted against the backstop and move the
work evenly across the sanding belt. Use extra caulion
when sanding very thin pieces
For sanding long pieces remove ihe r^,ork support.
Apply only enough pressure to allor,nr the sanding belt to
remove material.
I SANDING CURVED EDGES
Always sand inside curves o. :re i e' iic.- as shown.
WAHNING: Never attempt to sand the ends of a
workpiece on the idler drum. Applying the end of the
workpiece to the idler drum could cause the workpiece
to fly up and result in an injury.

Always sand outside curves on the left side of centre on
the sanding disc as shown.
WARNING: Applying the workpiece to the right side of
the disc could cause workpiece to fly up (kickback)
and result in an injury.
I SANDING SMALL END SURFACES
ON THE SANDING DISC
Note: Use of a mitre gauge is recommended {or this
operation.
Always move the work across left side of centre on the
sanding disc face as shown.
WARNING: Applying the workpiece to the right side of
the disc f irst could cause workpiece to f ly u p
(kickback) and result in an injury.
Always position the workpiece to the left of centre on
sanding disc with disc rotating counterclockwise as shown,
The table may be tilted for bevelled work.
Workcrece

WARNII,IG: For your own safety, turn switch "OFF"
,nO turore the plug from power source outlet before
,Oir.iing, maintainiig or lu-bricating your belt and disc
sander.
WARNING: To avoid electrocution or fire, any repairs
to electrical systems should be done only by qualified
i"tri"" technicians. Unit must be reassembled exactly
to factorY sPecifications.
lf the power cord is worn, cut or damaged in any way' have
it replaced immediatelY.
Frequently blow out or vacuum out any dust that may
accumulate inside the motor.
A coat of automobile-type wax applied to the worktable will
make it easier to {eed the work while finishing'
Do not apply wax to the abrasive belt table because the
O"ft .orlO'ptt ,p the wax and deposit it on the pulleys'
causing the belt to sliP.
I LUBRICATION
The BALL BEARINGS in this machine are packed with
gi"ut" ,i tf," factory. They require no further lubrication'
6f"""" bearings sfroutO be lubricated with 30 weight oil or
eq-uivatent ajter each 10 hours of operation - See
instructions below.
IOILING SLEEVE BEARINGS
WARNING: To avoid iniury. turn switch "OFF'" remove
k;, ;;e **ove plug fiom power source outlet before
oiling unit.
1. Release belt tension by sllding the tension lever to the
right.
2. Move the sanding belt slightly to either side of the idler
drum to expose the oiling section'
3. Apply two to three drops of oil in the .hole on each side
as'sho*n. Do not apply more than three drops of oil'
Too much oil can cause- the belt to slip, and oil may get
on the workPiece.
4. Adjust belt tracking as described in the Assembly
insiructions under tlie heading "lnstatting the Sanding
Belt - Tensronrng and Tracking"'
IREMOVING PULLEY COVER
1. Using a phillips screwdrtver. remove the f lat head screw
located in the middle of the cover'
2. Remove the cover,
Sleeve Bearings
ldler Drum

3. When installing a new drive belt or if the sander makes
a chattering noise under load the driving belt will need
to be tensioned. Test the drive belt as shown, if the belt
is not tight enough see figure 33.
4. To tension the belt loosen
headed screw then insert the the nut around the allen
allen wrench and tighten.
5. Test belt tension by placing fingers on either side of
belt and squeeze. There should be about 6mm give to
the belt. Tighten the nut around the allen headed
screw, this will lock the tension.
NOTE: EXCESSIVE TIGHTNESS ON PULLEY BELT
MAY CAUSE INCREASED NOISE AND OVEB
LOAD MOTOR. EXCESSIVE LOOSENESS ON
PULLEY BELT MAY CAUSE BELT TO FAIL
PREMATURELY AND MAKE A SEVERE
CHATTERING NOISE.
IINSTALLING PULLEY COVER
1. Locate the pulley cover and position it inside the relief
edges of pulleY housing'
2. Using a phillips screwdriver, reinstall and tighten the flat
head screw.
Fig33
&t.

WARNING: For your own safety, turn switch "OFF" and remove the plug from power source outlet before
troubleshooting your belt and disc sander.
TROUBLE PROBABLE CAUSE REMEDY
Motor will not run. 1. Defective On-Off switch.
Defective switch cord.
Defective switch box.
2. Burned out motor.
1. Replace defective parts before
using belt and disc sander
again.
2. Consult seller's service. Any
attempt to repair this motor
may create a HAZARD unless
repair is done by a qualified
service technician. Consult the
seller for the nearest stores or
centres at which repair service
is available.
Machine slows down
when sanding. 1. Timing belt is too tight.
2. Applying too much pressure
to workpiece.
1. Decrease belt tension, see
Maintenance section,
Removing Pulley Cover and
lnstalling Timing Belt".
2. Ease up on pressure.
Sanding Belt runs off
drums. 1. Not tracking properly. 1. Adjust tracking, see Assembly
section, "lnstalling the sanding
belt - Tensioning and Tracking"
Wood burns while
sanding. 1. Sanding disc or belt is
glazed with sap. 1. Replace disc or belt.
Excessive noise. 1. Timing belt too tight. 1. Decrease belt tension, see
Maintenance Section
"Removing Pulley Cover and
lnstalling Timing Belt".

RYOBI POWER EQUIPMENT
WARRANTY
Subject to the warranty condition below, this Ryobi tool
(hereinafter called "the product") is warranted by Ryobi
(hereinafter called "the Company") to be free from
defects in material or workmanship for a period of 12
months from the date of original purchase covering
both parts and labour. Under the terms of this warranty,
the repair or replacement of any part shall be the
opinion of the Company or its authorised agent. Should
service become necessary during the warranty period,
the owner should contact the Authorised Ryobi Retailer
from whom the Product was purchased, or the nearest
Company Branch Office. ln order to obtain warranty
service, the owner must present the sales docket and
Warranty Certificate to confirm date of purchase. This
product is sold by the dealer or agent as principal and
the dealer has no authority from the Company to give
any additional warranty or guarantee on the
Company's behalf except as herein contained or hereiir
referred to.
Warranty Conditions
This warranty only applies provided that the Prod,rct
has been used in accordance with the manufacturer's
recommendations under normal use and reasonable
care (in the opinion of the Company) and such warranty
does not cover damage, malfunction or failure resulting
from misuse, neglect, abuse, or used for a purpose for
which it was not-designed or is not suited; and no
repairs, alterations or modif ications have been
attempted by other than an Authorised Service Agent.
This guarantee will no apply if the tool is damaged by
accident or if repairs arise from normal wear and tear.
The Company accepts no additional liability pursuant to
this warranty for the costs of travelling of transportation
of the Product or parts to and from the service dealer or
agent - which costs are not included in this warranty.
Certain legislation, including the Trade Practices Act,
1974 (as amended) and other state and territorial laws
give rights to the buyer and impose liability on the seller
in certain circumstances. Nothing herein shall have the
effect of excluding, restricting or modifying any
condition, warranty, right or liability imposed, to the
extent only that such exclusion, restriction or
modification would render any term herein void.
RYOE}I.
RYOBI AUSTRALIA PTY. LTD.
A.C.N. 002 277 509 lncorporated in N.S.W.
SYDNEY: 359-361 Horsley Road. Milperra, N.S.W.
2214. ?hane. (.02) 9772 2444
BRISBANE: A2141 Bellrick Street, Acacia Ridge,
Qld, 41 10, Phone: [phone]
TOWNSVILLE: 16 Catalyst Court, Mt St John, Qld, 4814,
Phone: [phone]
MELBOURNE: 960 Stud Road, Rowville, Vic, 3178.
Phone: [phone]
HOBART: All Enquiries Phone: [phone]
ADELAIDE: All Enquiries Phone: [phone]
PERTH: 33-35 Sorbonne Crescent, Canning Vale, WA,
6155, Phone [phone]
RYOBI NEW ZEALAND LIMITED
Auckland: 503 Mt Wellington Highway,
Mt Wellington NZ, Phone: [phone]
THIS WARRANTY FORM
SHOULD BE RETAINED BY THE CUSTOMER AT ALL TIMES
For your record and to assist in establishing date of purchase (necessary for in-warranty service)
please keep your purchase docket and this form completed with the following particulars.
PURCHASED FROM
ADDRESS OF DEALER
DArE 23"A-a /MODEL NO i.,-.--- , 'i-SERIAL NO
Present This Form With Your Purchase Docket When Warranty Service ls Required
ti.

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8D46083
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8D46017
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Page 2 of 10

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Ryobi BD4600 Parts List and Diagram : eReplacementParts.com
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8D46058
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8D46102
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8D46091
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8D46063
8D46ffi
8H669
Pin (M5 X l0 mml
Belt Tension Lever
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Flat Washer
Toothed bck washer
Pan l'afre
S@w (M5 X 10 mm)
Tensionino Plate
ConnecEon PlaE
Om End Pin (M2 X 10 mm)
Pin(M5Xamm)
S6ew tM5 X 16 mml
S@w (MSX5 mm)
Beadno Cao
Rubber Pad
&lt (tr12 x 20 mm)
S@w (t8 X 12 mm)
Sandlm Bdt Dftino Shaft
Cro Drive Belt
Drivino Pullev
Sandino &lt Ddve Rollet
Pat Name
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