RIDGID SP6263 User Manual

RS1000 OWNERS MANUAL
10 INCH RADIAL SAW
For Your Safety:
Read all instructions carefully Save this manual for future reference
Part No. SP6263 PrintedinU.S.A.

Table of Contents

Safety .................................................................. 3
Introduction.............................................................. 12
Assembly ............................................................... 12
Adjustments ............................................................. 19
Alignment ............................................................... 28
Controls ................................................................ 37
ElectricalConnections ..................................................... 42
Crosscutting ............................................................. 45
Ripping................................................................. 49
CuttingAids ............................................................. 58
O.S.H.A.Requirements .................................................... 61
Accessories ............................................................. 62
Maintenance............................................................. 63
Troubleshooting .......................................................... 65
RepairParts ............................................................. 70
2

Safety

This manual has safety information and instructions to help users eliminate or reduce the risk of accidents and injuries, including:
1. Severe cuts, and loss of fingers or other body parts due to contact with the blade.
2. Eye impact injuries and blindness, from being hit by a thrown workpiece, workpiece chips or pieces of blade.
3. Bodily impact injuries, broken bones and internal organ damage from being hit by a thrown workpiece.
4. Shock or electrocution.
5. Burns.
Major Hazards
Three major hazards are associated with usingthe radial arm saw for ripping. They are outfeed zone hazard, kickback and wrong way feed.
This section only briefly explains these haz­ards. Read the ripping and crosscutting safety sections for more detailed explana­tions of these and other hazards.
Outfeed Zone Hazard
Safety Symbol and Signal Words
An exclamation mark inside a triangle is the safety alert symbol.
It is used to draw attention to safety infor­mation in the manual and on t he saw. It is followed by a s ignal word, DANGER, WARNING or CAUTION, which tells the level of risk:
DANGER
tion is not followed someone will be seri­ously injured or killed.
WARNING
tion is not followed someone could be seri­ously injured or killed.
CAUTION
tion is not followed someone may be injured. Read and follow all safety information
and instructions.
: means if the safety informa-
: means if the safety informa-
: means if the safety informa-
If you reach around the blade to the outfeed side when ripping, and try to hold down or pull the workpiece through tocomplete a cut, the rotational force of the blade will pull your hand back into the blade.
Fingers will be cut off.
Read and follow the information and instructions under ripping safety.
3

Safety

Kickback Hazard
Kickback is the uncontrolled propelling of the workpiece back toward the user during rip­ping.
The cause of kickback is the binding or pinching of the blade in the workpiece. Sev­eral conditions can cause the blade to bind or pinch.
When a workpiece kicks back, it could hit hard enough to cause internal organ injury, broken bones, or death.
Read and follow the information and instructions under ripping safety.
Wrong Way Feed Hazard
Wrong way feed is ripping by feeding the workpiece into the outfeed side of the blade.
The rotational force of the blade can grab and pull the workpiece.
Before you can let go or pull back, the force couldpull your hand along with the work­piece into the blade. Fingers or hand could be cut off.
The propelled workpiece could hit a bystander, causing severe impact injury or death.
Read and follow the information and instructions under ripping safety.
4
Guard Function and Features
The guard is a very importantsafety feature, designed to reduce the risk of injury associ­ated with blade contact. Install the guard
correctly. Follow the specific instructions in the ripping and crosscutting sections to set and use the guard correctly for each type of cut.
Guard Features Include:
1. A non-moveable metal upper portion, (Upper Guard) which is fastened to the motor by the guard clamp screw, and which fullycovers the upper half of the blade.
2. A moveable clear plastic portion, (Plas­tic Lower Guard) which partially covers the lower half of the blade. It protectsagainst contact with the side of the blade during crosscutting when blade is in its rearmost position and the guard is resting on the table, so the leading and trailing teeth of the blade are not exposed. It also protects against contact with the outfeed side of the blade during ripping,andacts as a barrier to prevent wrong way feed.

Safety

Handle/Squeeze
Trigger
3. A squeeze trigger in the saw handle to fully raise the clear plastic guard at the start of a crosscut. Note:
This is necessary because the guard will not automatically raise to clear the fence.
4. A hold down to be lowered to just clear the top of the workpiece for ripping. It acts as abarriertotheinfeedsideoftheblade, keeps the workpiece fromfluttering,andacts as a sawdust deflector. It is locked/unlocked by the hold down knob.
5. A riving knife tobeloweredtothetable forripping. It keeps the workpiecekerf open, thereby reducing blade pinching and the risk of kickback. It also acts as a barrier to the hazardous outfeed side and prevents wrong way feed. It is locked/unlocked by the riving knife/pawls knob. When lowered for cross­cutting, it acts as a barrier to the leading edge of the blade.
Upper Guard
Hold Down
Knob
Hold Down
Plastic Lower
Workpiece
Guard
Pawls, Riving
Knife Knob
Riving
Knife
Pawls
5

Safety

6. Set of pawls tobeloweredtothework­piece surface for ripping. They allow the workpiece to pass freely from infeed to out­feed side, but help stop the kickback motion fromoutfeedtoinfeedsidebygrabbinginto the workpiece surface. Pawls must be reset each time a different thickness workpiece is cut.
7. A guard tab to manually raise the plastic guard at the start of ripping unusual work­pieces whose size/shape do not cause the guard to raise automatically.
Hazards Associated with Clear Por­tion of Guard
The following safety information applies to all blades and accessories.
WARNING
Clear plastic portion of guard w ill not provide any protection during cross­cutting if blade is pulled over your hand, or your hand enters blade path from front or rear of blade. Fingers or hand can be cut or cut off.
Guard Tab
CAUTION
Clear plastic portion of guard can get caught or jam in fence or table kerfs. Read and follow the warning on the guard:
WARNING:
TO AVOID INJURY
SHUT OFF P OWER
BEFORE CLEARING A
JAMMED LOWER GUARD
Clear plastic guard will increase risk of certain hazards:
• During rip and bevel cuts, narrow cut off pieces can be pinched between guard and blade. Cut-off pieces can kickback.
• In bevel position blade teeth are fully exposed. Fingers or ha nd can be cut off.
6
WARNING
• Cut-off pieces can jam between guard and blade. Turn saw off and wait for blade to stop before freeing jammed guard or blade.
• Workpiece or cut-off pieces can be violently thrown by blade. Wear safety goggles. Stand out of workpiece path.

Safety

Safety Instructions
Read and follow all safety instructions.
Personal Safety Instructions
WARNING
Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemi­cals known (to the State of California) to cause cancer, birth defects or other reproductive harm. Some examples of these chemicals are:
• Lead from lead-bases paints,
• Crystalline silica from bricks and cement and other masonry products, and
• Arsenic a nd chromium from chemi­cally-treated lumber. Your risk from these exposures varies, depending on how often you do this type of work. To reduce your exposure to these chemicals: work in a well ven­tilated area, and work with approved safety equipment, such as those dust masks that are specially designed to filter out microscopic par ticles.
2. Turn saw off, remove yellow key, and unplug before leaving work area. Do not leave until bladehas stopped spinning.
3. Make work area child-proof: remove yel­low key to prevent accidental start-up; store key out of sight and reach; lock work area.
4. Keep floorsclean and free of sawdust, wax and other slippery materials.
5. Keep work area well lighted and unclut­tered.
6. Use saw only in dry area. Do not use in wet or damp areas.
Safety Goggles
Dust Mask
1. Wear safetygoggles labeled ANSI Z87.1 (or in Canada CSA Z94.3-99) on the pack­age. It means the goggles meet impact stan­dardsset by the American National Standards Institute. Regular eyeglasses are not safety goggles.
2. Wear close fitting clothes, short sleeved shirts, and non-slip shoes. Tie up long h air. Do not wear gloves, ties, jewelry, loose cloth­ing, or long sleeves. These can get caught in the spinning blade and pull body parts into the blade.
3. Wear dust mask to keep from inhaling fine particles.
4. Wear ear protectors, plugs or muffs if you use saw daily.
5. Keep good footing and balance; do not over-reach.
Work Area Safety Instructions
1. Keep children, pets, and visitors out of work area; they could be hit by a thrown workpiece, workpiece chips or pieces of blade.
Ear Protectors
7

Safety

Saw Safety Instructions
1.Useguard,pawlsandrivingknifeaccord­ing to instructions. Keep them in working order.
2. Routinely check saw for broken or dam­aged parts. Repair or replace damaged parts before using saw. Check new or repaired parts for alignment, binding, and correct installation.
3. Unplug saw before doing maintenance, making adjustments, correcting alignment, or changing blades.
4. Do not forcesaw. Use saw,blades and accessories only as intended.
5. Have yellow key out and saw switched off before plugging in power cord.
Workpiece Safety Instructions
6. Beforeturningonsaw,cleartableofall objects except workpiece to be cut and nec­essary fixtures, clamps, or feather-boards.
7. If blade jams, turn saw off immediately, removeyellowkey,thenfreeblade.Donot trytofreebladewithsawon.
8. Turn saw off if it vibrates too much or makes an odd sound. Correct any problem before restarting saw.
9. Do not layout, assemble,or setup work with saw on, or while blade is spinning.
10. Keep saw table clean.
11. Store items away from saw.Do not climb on saw or stand on saw table to reach items because saw can tip over.
1. Cut only wood, woodlike or plastic materials. Do not c ut m et al.
2. Cut only one workpiece at a time. Stack­ing or placing workpieces edge to edge can cause user to lose control of workpiece.
8
3. Rip only workpieces longer than the diameter of the blade. Do not rip workpieces that are shorter than the diameter of the blade being used.
4. Workpieces that extend beyond the saw table can shift, twist, rise up from the table, or fall as they are cut or afterwards. Support workpiece with table extensions the same height as the saw table.
5. To prevent tipping, support outer ends of extensions with sturdy legs or an outrigger.

Safety

Dia.
6. Do not use another person to help sup­port workpieces or to aid by pushing or pull­ing on workpieces, because these actions can cause kickback. Use table extensions.
7. Useclampsorvicetoholdworkpiece.It's safer than using your hands.
Blade Safety Instructions
1. Use only blades marked for at least 3450 rpm.
2. Use only 10" or smaller diameter blades.
3. Use blades for their recommended cut­ting procedures.
4. Keep blade sharp and clean.
5. Do not overtighten blade nut because blade collar could warp.
6. Do not turn saw on and off in rapid sequence because blade can loosen.
7. Blade should stop within 15 seconds after saw is switched off. If blade takes longer, the saw needs repair. Contact Authorized Ser­vice Center.
9

Safety

On-Product Safety Labels
There are several safety labels on the saw. They alert the user to hazards explained in the manual and remind the user how to avoid the hazard.
At the out feed side, t o t he right of the guard near the saw handle is this safety label to alert you to wrong way feed:
Note where they are located on the saw. Read and follow the safety information and instructions in these labels. Refer to the manual for de tailed explanations and instructions.
On the infeed side of the guard is this safety label to remindyoutolowerthe
hold down to just clear the top of the workpiece for ripping:
Ontherearoftheyoke,visible from the
infeed side when the saw is in a rip position, is this safety label to alert you to outfeed
zone hazard:
10
On the clear plastic guard is this OSHA required label:
Onthebottom surface of the m otor, visible when the cutting tool is horizontal, is this safety label alerting you to use a guard
when edge molding, and to position the cutting t ool behind the fence:
(see Accessories Section)

Safety

Near the saw handle is this safety label to
alert you to thrown objects andtoremind you to wear safety goggles:
On the front of the yoke is this general
safety instruction label:
11

Assembly

Introduction
In order to get the most enjoyment out of your radial saw it is important that the machine be prop­erly assembled, adjusted, and aligned. This procedure, although not difficult, takes time; perhaps eighthours or longer for the inexperienced user. However, after this initial set-up a weekly tune-up can be completed in approximately ten minutes by checking the alignment and only adjusting those settings which are incorrect.
Identify Parts
The following parts are included:
Note:
parts are included If you are missing any par t, do not assemble the saw. Contact 1-800-4­the missing part. Sometimes small par ts can get lost in packaging material. Do not t hrow away any packag­ing unt il saw is put t ogether.Check packaging for missing par ts before contacting parts list (Repair Parts) is at the end of the manual. Use the list to identify the number of the missing part.
This model includes:
Before beginning assembly, check that all
RIDGID
RIDGID
A. Basic Saw Assembly ........................... 1
B. Rear Table ........................................... 1
C. Spacer Table ........................................ 1
D. Fence (wooden) ................................... 1
E. Front Table ........................................... 1
F. Table Support ...................................... 2
G.Loose Parts Bag(s) H. Bag Containing
Accessory Guard.................................. 1
J. Leg ....................................................... 4
K. Stiffener, Side ...................................... 2
L. Stiffener, Front/Rear ............................ 2
............................ *
to get
.Acomplete
A
BC
Remove protective covering from arm trim
D
F
E
GH
* Number varies; bags can contain other smaller bags. Note:
To make assembly easier keep contents of each bag together and separate from contents of other bags.
12
K
J
L

Assembly

5/16-18 x 3/4" Long Square Head Screw (4)
1/4-20 x 1" Long Pan Head Screw (4)
1/4-20 x 1-3/ 4" L ong Pan Head Screw (1)
#6-32 x 1/2 Pan Head Screw (4)
#10-32 x 7/8" Long Pan Head Self Threading Screw (2)
1/4-20 x 1" Long Slotted Cup PointSet Screw (1)
5/16" Diam. Hex Nut (4)
1/4" Di am . Hex Nut (4)
1/4" Hex “L” Wrench (1)
3/16" Hex “L” Wrench (1)
Wrench (2)
17/64" Flat Washer (5)
11/32" x 7/8" x 1/16"
Flat Washer (4)
5/16" Lockwasher (4)
1/4" Lockwasher (4)
Tee Nut (1)
Rip Scale Indicator (2)
Yellow Key (1)
1/4" U-Clip (1)
Twin Nut (2)
Table Clam p Assem bly (2)
- Thumbscrew
- Square Nut
- Clamp Bracket
- Cup Washer
13

Assembly

Crank
Arm Cap
1/4" Diam. x 5/8" Long Truss Head Screw (24)
Leveling Foot (4)
3/8" Diam. Hex Nut (8)
5/16" Diam. Hex Nu t (4)
1/4" Di am . Hex Nut (24)
Tools Needed for Assembly and Alignment
1/4" External Tooth Lockwasher (24)
5/16" Diam. External Lockwasher (4)
11/32" x 11/16" x 1/16" Washer (8)
5/16"Diam.x5/8"Long Hex Head Screw (4)
14
7/16-inch Wrench
1/2-inch Wrench
9/16-inch Wrench
Small Hammer
5/8-inch Wrench
15/16-inch Wrench
1/8" Hex Wrench
Pliers
Pencil
Medium Screwdriver
Phillips Screwdriver
Framing Square

Assembly

WARNING
Plugging in saw during assembly could result in electrical shock, or severe cuts from contact with spinning blade.
Do not plug in s aw at any time during assembly.
Plug in saw only when it is to be used.
Assembly Steps
It is important for your safety and to get accurate cuts that you p ut the saw together according to these instructions. Follow these steps in order.
Assembling steel legs
For easy assembly it is recommended to fin­ger tighten all screws, lockwashers, and hex nuts until the legset is fully assembled. Then go back and tighten all nuts securely.
From among the loose parts, find the follow­ing Hardware:
24 Truss Head S c rews, 1/4-20 x 5/8 24 Lockwashers, 1/4-External 24 Hex Nuts, 1 /4-20
8 Hex Nuts, 3/8 - 16 4 Leveling Feet
1. Insert three truss head screws through the three holes near the top of one Leg. Place the Side Stiffener up to the Leg, as shown, so that the three screws line up with the holes in the Side Stiffeners ma r ked with an "X" in the illustration.
2. Place a lockwasher and hex nut on each screw and finger tighten the hex nut.
3. Followingthesameprocedureasabove, continue to fasten together the remaining Legs, Side Stiffeners, and Front/Rear Stiffen­ersasillustrated.
5. Set stand upright and securely tighten all nuts.
6. To level steel legs,loosen nut on inside of leg and turn nut on outside to raise or lower feet. Adjust all four levelers if necessary, and then tighten nuts on inside of leg.
Note:
These levelers are not intended for height
adjustment.
X = Location of Truss Head Screws
Front/Rear
Stiffener
Side
Stiffener
Leveling Foot
Truss H ead
3/8" Hex Nuts
Screws
4. Install one 3/8-16 hex nut completely onto each of the leveling feet. Insert one leveling foot through hole in bottom of each leg and install a 3/8-16 hex nut.
15

Assembly

Mounting Saw
1. Fromamong the loose parts, find the fol­lowing hardware:
4 H ex Head Screws, 5/16-18 x 5/8 4 Lockwasher, 5/16 in. Exter nal Type 8 Washers,11/32 ID 4 Hex Jam Nuts, 5/16-18
2. Place saw on legs so that holes in bottom ofsawlineupwithholesmarkedXintopof legs and RIDGID logo on leg set is facing front.
3. Install screws, washers and nuts as shown.
4. If you mount the saw on any other RIDGID base or flat bench, make sure Ele­vation Crank has proper clearance to rotate. The saw must be bolted down. Position saw toslopeslightlyrearward,sowhenthecar­riage is installed it w ill not roll forward due to gravity.
Saw Base
Hex Head
Screw
Flat Washer
Stiffener
Flat Washer
Lockwasher
Hex Nut
Leg
Side
Stiffener
Front Stiffener
Leg
WARNING
Saw must slant slightly towards rear to keep blade carriage from rolling for­ward. Workpiece or saw can move unexpectedly if leg set rocks. Fingers, hand or arm could be cut off by blade contact. Adjust leveling feet before using s aw.
Attach Elevation Crank.
Install crank on elevation shaft. Be sure set­screw is tightened o n flat of shaft.
Elevate arm approximately 3 to 4 Inches.
Remove shipping block and discard.
16
Shipping Block
Elevation Crank (Turn clockwise
to raise arm)
Attaching Carriage - Motor to Arm
Remove carriage stop screw, lockwasher and tag. Read and understand warning tag before discarding tag.
Lock miter/arm lock before proceeding.
Holding carriage assembly with both hands, carefullystartandslidethecarriageontothe tracks. The assembly must be held parallel with the arm so that all four bearings slide smoothly onto the arm, preventing any excessive strain on bearings and track.
Warning
Tab
Lockwasher
Stop Screw
Hex “L” Wrench 1/4 Inch
Push toward rear of
saw to lock

Assembly

(Supplied)
Miter/Arm
Lock Lever
WARNING
Reinstall carriage stop screw and lock­washer to prevent carriage f rom rolling off arm. Tighten carriage stop screw securely.
Note:
threaded into bottom of motor
Removetwo (2) motor packing studs t hat are
.
Install arm cap.
WARNING
Make certain power cord is unplugged.
Packing
Studs
Bottom
of Motor
Arm Cap
Screw
1. Insert finger under left end of switch lever and pull out to the "ON" position.
2. Placearmcapinpositionandinstallwith (2) 10-32 x 7/8 self th reading screws.
3. Push switch to "OFF" position.
Reinstall carriage stop screw and lockwasher
17

Assembly

Remove saw blade.
1. Tightencarriage lock knob, located on rightsideofarm.
2. Loosen guard clamp screw approximately 4 turns. Rotate dust elbow so opening is fac­ing left.
3. Use one hand to lift the clear plastic guard at the front of the saw.
4. Use the other hand to grasp the rear of the guard (below the dust elbow).
5. Rotate the entire guard assembly forward approximately 45°.
6. Re move the guard assembly.
7. Motor shaft has left hand threads. Hold shaft wrench and rotate arbor wrench down (clockwise).
8. Remove shaft nut, outer collar, saw blade, and inner collar. Set aside and out of the way.
Pull down
to loosen
Blade
Rotation
Attach Table Supports
1. Set out:
- two table supports
- four 5/16" 18 x 3/4" long square head screws
- four 11/32" x 7/8" x 1/16" flatwashers
-four5/16"lockwashers
- four 5/16" hex nuts
2. Attach supports to side frame, making sure to use correct holes in table supports and side frame: Use two screws per support (insert screws through base and then sup­port); on end of each screw put a flat washer, lockwasher and nut then finger tighten so table supports rest in lowest posi­tion.
Table
Support
Screws
Here
Nut
Lockwasher
Flatwasher
Square Head Screw
5/16 - 18 x 3/4"
Table
Support
Base
Front
Mount rails using
these holes
This concludes the assembly section. Except for installing table boards, fence, and table clamps the saw should be completely assembled. The next section deals with adjusting your saw to remove any "looseness" in order to get accurate cuts.
18
Read “Controls” section and familiarize your­self with control names and location before beginning “Adjustments”.

Adjustments

Arm Lock Adjusting Wheel
With the arm at an "unindexed" position (other than 90° or 45°) and the miter lock applied, the locking action should feel tight and secure.
Considerable effort should be required to move the a r m back towards 0°. It i s a lways possible to force the arm because of the leverage advantage the long arm provides. However,the arm should resistmovingwhen a reasonable amount of force is applied.
To check follow these steps:
1. Pull miter/arm lock forward to unlock and rotate arm to approximately 30° left or right.
2. Lock miter/arm lock by pushing handle toward rear of saw.
Miter/Arm
Lock Lever
3. Apply pressure as shown above.
4. If the arm moves easily: a.)Unlock miter lock. b. Locate the adjusting wheel as shown. c. Turn wheel clockwise to tighten, coun-
terclockwise to loosen.
5. Repeat steps 1, 2, 3 above and readjust as necessary.
Tighten
Arm Lock
Adjusting Wheel
19

Adjustments

Yoke Clamp Adjustment
To check the yoke clamp adjustment follow these steps:
1. Pull the yoke lock handle towards the
front of saw to unlock yoke. Pull forward on theyokeindexlever(ontheleftsideofcar­riage) to disengage index pin.
2. Swivel the motor halfway between the
crosscutting and rip position so the index pin is not engaged.
3. Lock the yoke lock handle.
4. Grasp the motor with both hands and try
to swivel it back into the crosscut position. It should not move.
5. If it does move follow these steps: a. Remove arm cap. b. Remove carriage stop screw and lock-
washer with a 1/4 inch hex-L wrench.
Yoke Lock
Handle
Arm Cap
Lockwasher
c. Grasp the carriage assembly, move it carefully off the end of radial arm, holding it parallel to the radial arm until all car­riage bearings are free of their tracks.
d. Rest the motor and carriage assembly on saw frame.
e. Set yoke lock handle at unlocked posi­tion. Tighten nut with 15/16" wrench, until lock handle locks mid-way between the two legs of the yoke.
f. Hold the motor and carriage assembly parallel to radial arm and start the rear bearings onto the tracks. Continue to hold the assembly parallel to the tracks until the forward bearings are on the tracks.
g. Slide the carriage rearward on the radial arm and installthe carriage stop screw and lockwasher.
h. Repeat steps 1-4. Readjust if neces­sary.
i. Install arm cap.
Carriage Stop
Screw
15/16" Wrench
Screw
Hex “L” Wrench
(1/4-Inch)
WARNING
Reinstall carriage stop screw and lock­washer to prevent carriage from rolling off arm.
20
Bevel Lock Lever
The purpose of the bevel locklever is to lock the motor at any angle. To check follow these steps:
1. Unlock the bevel lock lever. Move the
bevel index pin to the left and rotate the saw to approximately 30°. Lock the bevel lock lever.
2. Use both hands as shown and try to force
them otor out of position. If the motormoves, the bevel lock lever needs to be tightened. On the other hand if it is extremely hard to lock the bevel lock lever it has been over
-tightened.
3. Follow these steps to adjust: a. Remove the socket cap screw with hex
wrench as shown.

Adjustments

Bevel I ndex
Pin
Bevel Lock
Lever
b. Use the bevel lock lever as a wrench to tighten or loosen the clamp bolt. Do not over tighten.
c. Repeat steps 1 and 2. Re-adjust if nec­essary.
d. Replace bevel lock lever in the locked position.
e. Tighten the socket cap screw.
Note:
The clamp bolt has a left handed thread. Therefore, to increase the clamping effect, rotate the bevel lock lever - when used as a wrench -from right to left, or clockwise when viewed from above. If you acci­dentallyrotateit the wrong way and disengage the bolt from the matching steel nut, it will be necessary to remove the Yoke Handle, and Bevel Scale, in order to reinstall the bolt into the nut.
Bevel Lock
Lever
Lockwasher
Socket Cap Screw
1/8" Hex “L” Wrench
Bevel Lock Lever
In Locked Position
21

Adjustments

Arm to Column Adjus tment
If you can move the end of the radial arm up and down when the arm is unlocked, adjust as directed below:
a. Remove two (2) screws from rear cover plate. Tighten evenly top two 3/8-16 bolts until the play is removed and the arm will still move side to side freely .There should be no vertical or horizontal movement in the arm when miter/arm lock is locked and unlocked.
3/8-16 Bolts
b. Bottom two nuts should be snugged ev en ly, but not nearly as tight as top two bolts.
c. Re-install Rear Cover Plate.
Adjusting Column Tube in Column Support
This adjustment will remove any looseness between the column tube and column sup­port while serving two purposes:
• To insure accurate cuts; and
• To allow the column tube to raise and lower smoothly.
Note:
The following adjustment is
very critical
. Allfuture alignmentprocedures rely on t his adjustment being per formed correctly. All looseness must be removed.
This section is set up in two sections: Alignment checks and adjustments. It is very
important that the column tube and the inside of the columnsuppor t are coated with a film of uncontaminated lubricant.
Alignment Checks
Twochecks are required, theseare adjusted at the factory, but may have shifted during shipment.
1. Index and lock arm at 0° Miter.
Vertical Alignment Check:
2. The two piece column support needs to be
compressed by tightening the black and sil­ver screws to properly control the movement of the column tube. Precise alignment is done only by tightening or loosening the sil­ver 5/16-18 screws in combination with the brass set screw. Push up slightly on the end of the arm. Look for a noticeable movement between the column tube and the column support.
3/8-16 Nuts
Upward
Pressure
Look for Movement
Between Column Tube and Support
22
3. Rotational Alignment Check: While holding the arm with one hand, hold
fingers of other hand as shown, between col­umn tube and column support. Apply gentle side-to-side pressure at end of arm. Any side-to-side or rotational movement can be felt with finger at arrow location.
Alignment Adjustments

Adjustments

Note:
not
IfVer tical Alignment wasOK and adjustmentis
needed, proceed to step 6.
1. Loosen (2) 1/4 - 20 Gib socket cap screws on the left side at the rear of the col­umn support slightly (1/2 turn).
Vertical Adjustment:
2. Using the closed end of a box wrench, tighten
all of the 5/16-18 black screw heads on the col­umn support casting 1/16th to 1/8th of a turn. Tighten the (2) 5/16-18 silver screw heads slightly more than the black ones to achieve a close fit to the column tube (Fig. 2). (A 1/4" drive ratchet with a six point socket may be needed to get enough torque on bolts.) Loosen nut on brass set screw . Tighten the brass set screw firmly and retighten nut (Fig. 2).
3. Elevate and then lower the Arm using the elevation crank.
4. If the column tube binds and elevation is difficult, go back to step 2 and loosen the screws until you achieve smooth but firm ele­vation, recheck step 3.
5. Repeat "Vertical Alignment Check
".
Fig. 1
Front
Brass Set Screw
Bright Plated
Bolts
Tighten
Loosen
Fig. 2
a. If vertical misalignment still exists, repeat steps 2 through 4.
b. If vertical misalignment no longer exists, and you have achieved smooth but firm elevation, proceed to step 6.
6. Rotational
Adjustment:
Tighten the (2) 1/4-20 Gib socket cap screws until no noticeable rotational playexists.(Fig. 3).
7. Repeat "Rotational Alignment Check"
a. If rotational misalignment still exists, repeat step 6.
b. If rotational misalignment no longer exists, and you have achieved smooth but firm elevation, this alignment procedure is complete.
Front
Gib Socket Capscrews
Hex “L” Wrench
(Supplied)
Fig. 3
23

Adjustments

Adjusting Carriage Bearings
If the carriagebearingsare loose it not only allows the saw blade to move up, down, and sideways but also results in inaccurate cuts. Before following these steps make sure the tracks (steel rods) and carriage bearings have been cleaned by wiping them with a clean cloth.
When properly adjusted, the top and bottom face of all four bearing grooves should be in contact with the arm tracks for their entire length and carriage should roll smoothly with some resistance.
To test for looseness between bearings and tracks on radial arm, perform the following steps.
1. Remove left-hand carriage cover.(2 screws)
2. Push the carriage to its full rearward position.
3. Grasp front carriage bearing as shown and hold as tight as possible. At the same time pull carriage forward. If you can stop the bearing from turning, it requires adjusting.
Wipe track on each side with a clean cloth
Remove Carriage
Cover
4. Check rear bearingin the same manner.
5. Adjust as follows:
a. Hold the eccentric screw in place with a 9/16" wrench. Use a 1/2" wrench to loosen the nut on the bottom just enough to permit the e ccentric screw to turn.
b. Rotate the e ccentric screw a partial turn (left or right) as required to take up looseness.
c. Hold the head of eccentric screw in the position established in the preceding step and tighten nut on underside of carriage. Correct adjustment exists when you can­not keep the bearings from turning. How­ever, excessive bearing pressure will cause difficult operation and rapid wear.
d. Install carriage cover.
Eccentric
Screw
Carriage
Plain
Washer
Washer
Assembly
Carriage
Bearing
Lockwasher
Nut
Left Side Carriage Bearings
24
Loading...
+ 56 hidden pages