Thank you for choosing a Yost Vise. For future reference please record the following:
Model #: RIA-4
Purchase Date: _____________
Supplier: _____________
Inspection and Acceptance
Claims for damage, shortage or errors in shipping must be reported within one (1) day
following delivery to Buyer. Buyer shall have seven (7) days from the date Buyer
receives any products to inspect such products and services for defects and
nonconformance which are not due to damage, shortage or errors in shipping and notify
Seller, in writing, of any defects, nonconformance or rejection of such products. After
such seven (7) day period, Buyer shall be deemed to have irrevocably accepted the
products, if not previously accepted. After such acceptance, Buyer shall have no right to
reject the products for any reason or to revoke acceptance. Buyer hereby agrees that such
seven (7) day period is a reasonable amount of time for such inspection and revocation.
Buyer shall have no right to order any change or modification to any product or services
previously ordered by Buyer or its representatives or cancel any order without Seller's
written consent and payment to Seller of all charges, expenses, commissions and
reasonable profits owed to or incurred by Seller. Specially fabricated or ordered items
may not be canceled or returned, and no refund will be made. The sole and exclusive
remedy for merchandise alleged to be defective in workmanship or material would be the
replacement of the merchandise subject to the manufacturer's inspection and warranty.
Product Specifications:
1. Technical Statistics:
Model Item Jaw Jaw Pipe Throat
Number Number Width Opening Capacity Depth Weight
RIA-4 149332 4” 2-1/4” N/A 2” 15 lb
2. Jaws able to withstand a load of no less than 1600 inch pounds without distortion
of the vise or any components.
3. Hardened steel serrated jaws have a Rockwell C hardness of RC 52-58.
IMPORTANT SAFETY INSTRUCTIONS
Warnings: Misuse of vises can cause serious injury to eyes, hands and or
other body parts. Vises must be set up and used properly. Before setup
and use, read, understand and follow all instructions outlined below.
ALWAYS make sure bench
tops are properly secured.
ALWAYS use proper nuts,
bolts and lock washers in all
mounting holes, to hold bench
vise down.
ALWAYS use vise of proper
size and capacity to hold work
object.
ALWAYS wear eye, face, and
ear protection when striking or
using power tools with a vise.
ALWAYS wear dust mask or
respirator when working with
wood, metal, chemical dusts
or mists.
ALWAYS wear restrictive
hair covering and anti slip
footwear while operating vise.
ALWAYS hand tighten
handles of lockdowns for
swivel base.
ALWAYS inspect vise
stress fatigue or damage to the
vise before using.
ALWAYS maintain the vise –
grease main screw regularly.
Never use a hammer, extension
pipe, or cheater bar on spindle
handle of vise.
NEVER unscrew movable jaw
beyond maximum specified
opening o
NEVER weld base of vise to any
metal object.
NEVER use a vise to press an
object into or out of another
object.
NEVER use and extension pipe to
tighten handles of lockdowns.
NEVER place pressurized
containers or combustible
materials in
NEVER wear loose clothing or
jewelry while operating vise.
NEVER
heat or prolong heat to the vise as
it may alter structural properties.
for
f vise.
vise.
apply extreme
If there is any question about a condition being safe or unsafe, do not operate the vise.
To avoid risk of personal injury, equipment damage, fire & shock, make sure work area
has the following conditions:
• Floor is dry. Damp, wet or rainy conditions can cause operator to slip.
• Operator must be of sufficient age to operate vise in a safe condition.
• Well Lit.
• Clean and unobstructed.
• Workbench is properly secured to floor or wall.
• Workbench is designed sufficiently to handle vise and work load (torque placed
upon the vise and workbench).
Mount Vise To A Secure Workbench
1. Place vise on the workbench to identify location of mounting holes.
2. For added strength to the workbench prior to installing and securing vise, place an
18” x 18” x 2” piece of wood (18” x 18” x ¼” metal plate) to the underneath side
of the workbench.
3. Mark and drill holes through the workbench and wood / metal plate using the
swivel base as the template for the mounting holes. Prior to drilling, make sure
area is free & clear of any hazards.
4. Install proper length & diameter bolts into the swivel base of the vise. Yost
recommends at the minimum the following configuration:
Install proper length & diameter bolts along with flat washer through the swivel
base of the vise. The bolt should be long enough to protrude at least 1” beyond,
the underside of the workbench and wood / metal plate. On the underside of the
workbench and wood / metal plate, place a flat washer, lock washer and locking
nut to the bolt. Securely tighten vise to the workbench. Periodically, recheck and
re-tighten the nuts.
Vise Operation
Make sure vise selection (size and type) is appropriate for use and application. Larger
vises are readily available through Yost Vises. Never force or use cheater bars, pipe
extensions on the screw handle of the vise as this places excessive pressure on the vise
components and they may fail resulting in severe bodily injury.
Step 1: Make sure vise is securely mounted to the workbench.
Step 2: Make sure the swivel base lockdowns are secure.
Step 3: Open the vise by turning the vise handle counterclockwise. Do not open
beyond the vises rated capacity (jaw opening).
Step 4: Place item between the serrated jaws of the vise.
Step 5: Close the vise by turning the vise handle clockwise until the item is snug
between the serrated jaws.
Step 6: Continue to tighten the screw handle until you can no longer move (twist) the
clamped item. Do not over tighten as this may damage item and / or the vise.
Step 7: When finished working on the item, slowly turn screw handle counterclockwise
to release the item.
Swivel Base Operation
The vise is generally operated perpendicular to the workbench, enabling work to be
performed from either side of the vise. In some cases, the vise may need to be rotated to
allow better and safer access to the item. In order to change the position of the vise,
please follow the steps below:
Step 1: After item is securely mounted in the vise, slowly loosen each lockdown located
on both sides of the vise. Care should be taken not to over-loosen or remove the
lockdowns as this may cause the vise to tip over and cause great bodily injury.
Loosen (turn counterclockwise) each lock down about ¼ of a turn until the vise
is able to swivel from the base.
Step 2: Swivel the vise to allow better and safer access to the item.
Step 3: Tighten (turn clockwise) each lockdown so that the vise is securely clamped to
the base.
Parts List
When unpacking the completely assembled vise check to make sure there are no missing
or broken parts. Call Yost Vises at (616) 396-2063 or email us at sales@yostvises.com
should a problem arise.
Parts List RIA-4 “Compact Bench Vise – Swivel Base”
Part Description Quantity
RIA-4-01 Front Jaw 1
RIA-4-02 Grooved Jaws & Allen Screws 2
RIA-4-03 Main Screw & Handle 1
RIA-4-04 Swivel Base (Inner) 1
RIA-4-05 Lock Down 2
RIA-4-06 Swivel Base (Outer) 1
RIA-4-07 Lock Down Bolts 2
RIA-4-08 Back Jaw 1
Full Version Of Terms And Conditions Of Sale
Available on-line at www.yostvises.com (select terms of sale).
Yost Vises
388 West 24
th
Street
Holland, MI 49423
(616) 396-2063
(616) 396-8276 Fax
www.yostvises.com
sales@yostvises.com
1
A
RIA4-2
RIA4-3
RIA4-4
RIA4-8
B
RIA4-6
RIA4-1
PART N0
RIA149332
2.05
3.71
1.66
ø 0.343 ±0.030 ( 4 PLCS )
RIA4-7
RIA4-5
6542 3
PART N0
RIA4-1
RIA4-2
RIA4-3
RIA4-4
GROOVED JAW
MAIN SCREW & HANDLE
SWIVEL BASE - INNER
LOCK DOWNRIA4-5
RIA4-6
RIA4-7
RIA4-8
SWIVEL BASE - OUTER
LOCK DOWN BOLT
BACK JAW
VENDOR
YOST VICES, LLC
388 W. 24TH ST.
HOLLAND, MI 49423
616:396-2063
616:396-8276 FAX
Sales@yostvises.com
DESCRIPTION
QTY
VENDOR
CODE
P/N
66983 RIA-4
CHANGE
N0.
SYM
1FRONT JAW
2
1
1
2
1
2
1
ITEM IDENTIFICATION
COMPACT SWIVEL BASE VISE
JAW WIDTH:
MAX. OPENING:
THROAT DEPTH:
ROTATING BASE:
SPINDLE: TOTALLY ENCLOSED
MATERIAL: IRON/STEEL
REVISION
4.00"
2.25"
2.00"
+/- 40 DEG(MIN)
87
AP
ATE
D
R
D
A
B
NOTES:
1. APPLICABLE STANDARDS/SPECIFICATIONS: ASME Y14.24, Y14.100, Y14.5M
C
1.87
2.25
3.74
5.43
1.87
2. IDENTIFICATION OF THE SUGGESTED SOURCE OF SUPPLY HEREON IS NOT
TO BE CONSTRUED AS A GUARANTEEOF PRESENT OR CONTINUED
AVAILABILITY AS A SOURCE FOR THE ITEM DESCRIBED ON THIS DRAWING.
3. REMOVE ALL BURRS AND BREAK SHARP EDGES
4.50
C
D
YOST
RIA-4
.50
( OPPOSITE SIDE )
E
1
5.16
YOST
12.13
2.25
3.00
NAME
RIA-4" SWIVEL BASE VISE
MATERIAL
IRON & STEEL
SCALE
DRAWN BY
APPROVED BY
THE INFORMATION CONTAINEDHEREIN IS CLASSIFIEDCONFIDENTIAL
IT IS THE SOLE PROPERTY OF YOST MANUFACTURINGCO. AND ANY USE THEREOF
AND/OR REPRODUCTION THEREOFIS EXPRESSLY PROHIBITED WITHOUT THE
WRITTEN CONSENT OF
YOST VISES, LLC.
TOLERANCESUNLESS
R.I. 03/14/09
DATE
DATE
.XX ±.030
.XXX±.015OTHERWISE SPECIFIED
.X ±.060
ANGLES±0°3
0’
YOST VISES, LLC
388 West 24th St.
Holland, Michigan 49423
RIA149332
64 532
87
D
E
OFSHEETNUMBERREFERENCE
11
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