Rivet King RK21 Operator's manual

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User Instruction Manual
Model# RK21
RK21-M

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CONTENTS
Safety Page 3
Specifications Page 3
Jaw Maintenance and Replacement Page 4
Conversion to Blind Rivets Page 5
Conversion to Rivet Nuts Page 6
To Install Rivet Nuts Page 7
To Install Rivet Blind Rivets Page 8
Schematic Page 9-10
Troubleshooting Page 11
Warranty Page 12

3
SAFETY
DO NOT USE OUTSIDE DEISNG INTENT OR WITH EQUIPMENT THAT IS NOT RECOMMENDED BY THE MANUFACTURER.
DO NOT OPERATE A TOOL THAT IS DIRECTED TOWARDS ANY PERSON(S)OR WITH THE MANDREL CATCHER OFF THE TOOL
ALL MODIFICATIONS CARRIED OUT ON THE TOOL WITHOUT EXPRESS WRITTEN CONSENT OF THE MANUFACTURER SHALL BE DONE
SO AT THE CUSTOMERS’SOLE RESPONSIBILITY
REFER TO THIS MANUAL BEFORE ATTEMPTING ANY MAINTENANCE OPERATION.DO NOT DISASSEMBLE THIS TOOL BEFORE
RFERING TO THIS MANUAL.
AVOID EXCESSIVE CONTACT WITH LUBRICANT,AS SOON AS POSSIBLE WASH HANDS THOROUGHLY
INSPECT THE TOOL USING PREVENTITIVE MAINTENANCE TECHNIQUES AT REUGULARLY SCHEDULED INTERVALS.INSPECT FOR
DAMAGE AND FUNCTION BY TRAINED COMPETANT PERSONEL.REPLACE COMPONENTS WHERNEVER THERE IS EVIDANEC OF
IMPACT DAMAGE,CHIPPING,OR CRACKING.
WEAR SAFETY GLASSES AND ADOPT FIRM FOOTING DURING OPERATION.
SPECIFICATIONS
The specifications and information contained in this manual are applicable only to the tool with which it was
supplied. Industrial Rivet & Fastener Co reserve the right to make any changes without notice as part of
Industrial Rivet & Fastener Co policy of continuous improvement.
SPECIFICATIONS FOR RK-21 RIVET TOOL
Model# Description Rivet Nuts Rivets
RK21 Inch Tool #8-32, #10-32, ¼-20”,
5/16”-18, 3/8-16”
1/8”, 5/32”, 3/16”, ¼”
RK21-M Metric Tool M4,M5, M6, M8, M10 3.2, 4.0 , 4.8, 6.4
Purchased Separately
#8-24, #10-24, 1/4-28”,
5/16”-24, 3/8-24
Metric: M4,M5, M6, M8,
M10
Monobolt Nose Piece

4
JAW MAINTENANCE AND REPLACEMENT
1) Remove Nose Piece barrel using wrench
provided.
2) Remove Jaw Case using 2 wrenches
provided by securing the mandrel lead and
removing the jaw case.
3) Remove the threaded male plug with a
slotted screw driver. This will expose the
Jaws. Check the jaws for wear, clean and
replace if necessary. Check the spring
compression and leading edge of the jaw
pusher and replace if necessary.
Reassemble according to this drawing.
Reassemble the tool in reverse order.

5
CONVERSION TO RIVET NUTS
1) Remove Nose Piece barrel using wrench
provided. Store the nose piece barrel and
nose piece in the blow mold case for future
use.
2) Remove Jaw Case using 2 wrenches
provided by securing the mandrel lead and
removing the jaw case. Store all removed
components in the blow mold case for future
use.
4) In the blow mold box, find the rivetnut
nose adapter. Thread this piece into the
body of the tool securely using the wrenches
provided. Then select the rivet nut thread
size and the corresponding mandrel (the
thread size is stamped on the side of the
mandrel). Install the mandrel into the tool
body using the wrench provided. Select the
nose piece which fits most snug to the
selected mandrel. Find the hex nut which fits
the nose piece and install it on the nose
piece (it may be fitted onto another nose
piece size). Install the nose piece fitted with
the hex nut into the body of the tool using the
wrenches provided. Set the desired stroke
of the tool with this hex nut.

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CONVSION TO BLIND RIVETS
1) Loosen hex nut and remove nose piece
with the wrenches provided. Store in the
blow molded case for future use.
Remove the rivet nut nose adapter and
mandrel with wrench provided and store
in the blow molded case for future use.
2) Install Jaw Case Assembly using 2
wrenches provided by securing the
mandrel lead and removing the jaw
case. Tighten to secure the connection.
Then install the blind rivet nose adapter
onto the tool body.
3) Then select the nose piece according to
the desired rivet to install and tighten
using the wrench provided. The sizes
are stamped on the side of the nose
pieces.
3.2 = 1/8”
4.0 = 5/32”
4.8 = 3/16”
6.4 = ¼”

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TO INSTALL RIVETNUTS
1) Insure mandrel size is fit for
the rivetnut size you wish to
install.
2) Adjust the nose piece so that
the rivet nut (when threaded
on to the mandrel), is flush
with the mandrel while the
handles are in the open
position.
3) Tighten the locknut in place
to secure the connection
4) Adjust the mandrel to left size
1) Prepare the rivet nut by either
spinning the rivet nut onto the
mandrel or by rotating the
mandrel lead to thread the
rivet nut onto the tool. Make
sure the handles are in open
position.
2) Install the rivetnut in the hole
and close the handles with
even pressure to fasten the
rivet nut.
3) Unthread the tool by rotating
the mandrel lead to release
the tool from the nut.
WARNING!!!! Do not overtighten the rivetnut as it could result in
stripped rivetnut threads or a damaged mandrel

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TO INSTALL BLIND RIVETS
1) Then select the nose piece
according to the desired rivet to install
and tighten using the wrench provided.
The sizes are stamped on the side of
the nose pieces.
3.2 = 1/8”
4.0 = 5/32”
4.8 = 3/16”
6.4 = ¼”
5) Open the handles
6) Put the rivet into the nose piece
7) Close the handles with even
pressure to apply the rivet.
8) If the rivet does snap, open the
handles and allow head of the rivet
to touch the nose piece again.
Then repeat step 5 (and step 6 if
necessary)
9) When the rivet snaps, open the
handles completely so that the nail
falls freely from the tool.
10) If a mandrel is jammed, proceed to
the “JAW REPLACEMENT AND
MAINTENANCE” section
WARNING!!!! Spent nails on the floor pose a hazard to
workers as they may slip, fall and possibly injur
themselves. Dispose of spent mandrels
properly.

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SCHEMATIC

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