US SAWS 7” Grinder-Vac User manual

7” Grinder-Vac and
Shroud Kit
Operating Manual
US SAWS Surface Preparation ◆ 877-817-6687 ◆ 11 High Street, Sueld, CT 06078 ◆ www.ussaws.com

US SAWS Surface Preparation ◆ 877-817-6687 ◆ 11 High Street, Sueld, CT 06078 ◆ www.ussaws.com
Introduction
The Grinder-Vac is designed for simple operation and has been proven to be extremely useful and versatile.
A 7” diamond cup wheel or zec style abrasive disk may be mounted on the saw if it is rated and approved
for operation at 8,500 RPM. READ AND CAREFULLY FOLLOW THE OPERATION AND SAFETY INSTRUCTIONS
OF THIS MANUAL BEFORE USING THIS PRODUCT. Since safety regulations can vary between counties and
states, you must contact proper authorities and follow all appropriate regulations.
Important Safety Instructions
No person should attempt to operate this machine without rst being trained in the operation of industrial
cutting and grinding tools. These instructions are not intended as a substitute for training experience. The
operator must observe safeguards that include, but are not limited to, the following:
• DO NOT MODIFY ANY MACHINE FROM IT’S ORIGINAL DESIGN WITHOUT THE WRITTEN PERMISSION OF
THE MANUFACTURER. UNAUTHORIZED MODIFICATIONS CAN LEAD TO SERIOUS INJURY OR DEATH TO
YOURSELF OR OTHERS.
• DO NOT use any cup wheel or grinding disk marked for less than 8,500 RPM.
• DO NOT service the machine or change cup wheel or grinding disk without rst disconnecting the
power.
• DO NOT install a cup wheel or grinding disk before inspecting the part for damage.
• DO NOT operate with a damaged cup wheel or grinding disk. A damaged cup wheel or grinding disk may
y apart and cause serious injury or death.
• DO NOT use a cup wheel or grinding disk that wobbles when mounted.
• Verify cup wheel or grinding disk is correct for application before use.
• Verify cup wheel or grinding disk rotation matches the direction arrow on the grinder motor.
• DO NOT apply power to the machine before spinning the cup wheel or grinding disk by hand to check
alignment.
• DO NOT operate with any loose nuts or bolts. Check all nuts and bolts for tightness.
• DO NOT operate without appropriate eye, ear, foot, hand, and breathing protection.
• DO NOT operate around any loose or foreign objects that may damage the system.
• DO NOT operate if arbor shaft has excessive end play.
• DO NOT grind material that the cup wheel or grinding disk is not designed for.
• DO NOT operate machine near combustible material or fumes.
• DO NOT operate without appropriate dust collection system.
• DO NOT force cup wheel or grinding disk through material to be ground. Always ease cup wheel or grind-
ing disk through material.
• DO NOT operate on not horizontal work surface.
Grinder-Vac Operating Instructions
Assembly of Dust Shroud Onto Grinder
1. Place dust shroud and adaptor around the grinder arbor.
2. Hose nozzle should be at upper right (when looking down on grinder)
3. Slowly tighten the 3 set screws on the adaptor ring in small increments. Make sure that the spacer
washer is centered around the blade nut. Tightening one screw all the way down before the other two
may cause interference.
4. Ensure the nozzle does not touch the handle mounting bolt. Leave 3/4” gap.
Assembly and Removal of Cup Wheel or Grinding Disk
1. Make sure power is disconneted.
2. Using the wrench provided, or a 1 1/2”box wrench, remove the blade nut.
3. Depress the spindle lock on the grinder to stop the spindle from rotating while tightening and
loosening the blade nut.
4. Note: both blade nut and arbor nut vary in length, depending on the type of wheel to be used.

US SAWS Surface Preparation ◆ 877-817-6687 ◆ 11 High Street, Sueld, CT 06078 ◆ www.ussaws.com
Model Description Part No
Shroud Kits
Bosch - Full (1752, 1752G,1752G7, 1754, 1757, Hilti DC700-S) SX60035
Bosch - Convertible (1752, 1752G, 1752G7, 1754, 1757, Hilti DC700-S) SX60135
DeWalt - Full (DW474) SX60075
DeWalt - Convertible (DW474) SX60175
DeWalt - Full (DW494, DW28493, DW28494) SX60045
DeWalt - Convertible (DW494, DW28493, DW28494) SX60145
DeWalt - Full (D28474W, D28493N, D28494N, D28494S, D28499) SX60047
DeWalt - Convertible (D28474W, D28493N, D28494N, D28494S, D28499) SX60147
Hilti - Full (DC700-S) SX60035
Hilti - Convertible (DC700-S) SX60135
Hilti - Full (DAG700-P) SX60036
Hilti - Convertible (DAG70-P) SX60136
Hitachi - Full (G18MR) SX60066
Hitachi - Convertible (G18MR) SX60166
Metabo - Full (W24-180, W24-230) SX60015
Metabo - Convertible (W24-180, W24-230) SX60115
Metabo - Full (W23-180, W23-23, W2230, W2280) SX60015.1
Metabo - Convertible (W23-180, W23-23, W2230, W2280) SX60115.1
Milwaukee - Full (606x, 607x, 609x, (x= any #0-9)) SX60025
Milwaukee - Convertible (606x, 607x, 609x, (x= any #0-9)) SX60125
Milwaukee - Full (608x-20 (x= any #0-9)) SX60027
Milwaukee - Convertible (608x-20 (x= any #0-9)) SX60127
Replacement
Shrouds
Full Shroud SX65800
Convertible Shroud SX65803
7” Shroud Kits
Shroud kits are an easy way to upgrade your existing tools and control dust. US Saws shroud kits are available in more makes and models
than ever before. Our shroud kits oer high quality components and a precision t for superior performance.
Shroud kits adapt the US Saws shroud system to your favorite 7”grinder. Full shrouds are for use in open areas. For detail work and edge
grinding, use the convertible shroud. Kits include 7” shroud, mounting hardware, and adapter nuts (two sets: one for mounting diamond
cup wheels and one for mounting zec style abrasive disks).
Contact your sales representative to conrm shroud kit/tool selection.
Recomended Blades
General Grinding
7” 12 Segment Turbo Cup Wheel TCB0712SD
7” 24 Segment Turbo Cup Wheel TCB0724SD
7” SWAT Team 9+9 TCS079918PD
Aggressive Grinding
SWAT Team 6+3 TCS076318PD
7”T-Segment Cup Wheel TTS0714PD
7” Arrow Segment Cup Wheel ARN0710D
Coating Removal
7” Zec Disk 05-10700
7” PCD Wheel PCN07065

US SAWS Surface Preparation ◆ 877-817-6687 ◆ 11 High Street, Sueld, CT 06078 ◆ www.ussaws.com
Warranty
This document is not to be used as a guide in determining policies and procedures for US Saws and Blades Incorporated (USSB Inc) products.
It is to be used in determining wether a warranty is justied and as a procedural guide in completing a USSB Inc warranty claim form.
Warranty Responsibility
The distributor or the end user must prepare a Machine Warranty Information Card when the machine is delivered. Failure to comply will make
any and all warranties on this equipment null and void. Credit for warranty repairs will be given only after receipt of the WARRANTY CLAIM
FORM, properly completed with all the required details. Submittal details are described later in this document.
Warranty Policy
1. USSB Inc. warrants it’s products against defects in material and workmanship under normal and proper use for a period of 90 days from
the date of delivery; in the case of Rental Fleet Machines.=, date of assignment to Rental Fleet. Such warranty is extended only to the
buyer who purchases the equipment directly from USSB Inc or it’s authorized distributor. This warranty does not include expendable parts,
such as, but not limited to, plugs, cutters, blades, blast wheel, wear parts, liners, and seals.
2. The obligation under this warranty is strictly limited to the replacement or repair, at USSB Inc’s opinion, of machines and does not include
the cost of transportation, loss of operating time, or normal maintenance services.
3. This warranty does not apply to failure occurring as a result of abuse, misuse, negligence, corrosion, erosion, normal wear and tear,
alterations or modications made to the machine without express written consent of USSB Inc.
4. Warranty request must be submitted in writing within 30 days after failure.
5. Written authorization to return merchandise under warranty must rst be obtain from USSB Inc.
6. USSB Inc reserves the right to inspect and make the nal decision on any merchandise returned under warranty.
7. USSB Inc oers no warranty with respect to accessories , including, but not limited to, engines, motors, batteries, tires, and any other
parts not manufactured by us but which the original manufacturer warrants.
8. USSB Inc reserves the right to make product changes or improvements without prior notice and without imposing any obligation upon
itself to install the same on its products previously sold.
9. The above warranty conditions can only be altered by USSB Inc. USSB Inc must conrm alterations in writing for each specic transaction.
10. USSB Inc reserves the right to establish specic warranty terms for use or demo machines on an individual transaction basis. Invoices
covering such merchandise will clearly state the provisions of the applicable warranty for each specic transactions.
11. WE DO NOT AUTHORIZE ANY PERSON, REPRESENTATIVE OR SERVICE OR SALES ORGANIZATION TO MAKE ANY OTHER WARRANTY OR TO
ASSUME FOR US ANY LIABILITY IN CONNECTION WITH THE SALE OF OUR PRODUCTS OTHER THAN THOSE CONTAINED HEREIN.
12. UNDER NO CIRCUMSTANCES SHALL USSB INC BE LIABLE TO CUSTOMER OR ANY OTHER PERSON FOR ANY DIRECT, INCIDENTAL, OR
CONSEQUENTIAL DAMAGES RESULTING FROM THE USE OF THE PRODUCT OR ARISING OUT OF ANY BREACH OF ANY WARRANTY OR
FOR ANY SPECIAL OR CONSEQUENTIAL DAMAGES OF ANY CHARACTER, INCLUDING WITHOUT LIMITATIONS, DAMAGES FOR ANY LOSS OF
GOODWILL, WORK STOPPAGE, OR ANY AND ALL OTHER COMMERCIAL DAMAGES OR LOSSES.
13. USSB INC WARRANTY IS EXPRESSLY IN LIEU OF ANY OTHER WARRANTIES, EXPRESSED, IMPLIED, OR STATUTORY INCLUDING ANY
WARRANTY OF MERCHANTABILITY OR FITNESS FOR PARTICULAR PURPOSE, WHICH WARRANTIES ARE EXCLUDED.
1
Blastrac • 800-256-3440 • fax [phone] • blastrac.com
CONCRETE GRINDERS
7" GRINDER-VAC PARTS
05-W2280: 7" Metabo grinder
05-W23230: 9" Metabo grinder
05-65800: 7" full shroud
05-65803: 7" convertible shroud
05-60013: ¼"-20 x ½" Phillips
flat head screw (4)
05-71100: Blade nut "C"
7" cup wheel (not included)
05-50500: Arbor nut "B"
05-75811: Housing flanged support
05-60028: Shroud hardware kit
(items in bold)
05-75820: Spacer washer
05-80620: Adapter - Metabo "AA"
05-50250: ¼"-20 x
3
/ 8 " socket set screw (3)
05-73902: M14 x 20 hex head bolt (2)
05-73904: M14 lock washer (2)
05-73900: Loop handle (with bolts and washers)
05-85209: Spanner wrench
05-81120: Zec blade nut "E"
05-81130: Zec blade nut "F"
7" Zec disk (not included)
05-77171: Decal “WARNING - CONCRETE SAW SAFETY”
Part numbers and descriptions are shown below for the 7" Grinder-Vac. Items shown in bold below are sold as part of the replacement shroud
hardware kit, part number 05-60028.
05-73400: 2¼" x 6' hose (not shown)
05-98087: Hex key
1
/ 8 " (not shown)
7" Grinder-Vac Parts
Part numbers and descriptions shown for
7 in. Grinder-Vac
SX85209: Spanner Wrench
SX81120: Zec Blade Nut“E”
05-10700: 7” Zec Disk (Not Included)
SX81130: Zec Blade Nut“F”
SX80622: “AM CV” Adaptor Ring
SX71100-1: Blade Nut “C1”
TCB0724SD: 24 Segment Turbo
Cup Wheel (Not Included)
SX50500: Arbor Nut “B”
05-60013: 1/4”-20” x 1/2”
Phillips Flat Head Screw (4)
SX75811: Housing Flanged Support
SX73094: M14 Lock Washer (2)
SX7302: M14 x 20 Hex Head Bolt (2)
05-50250: 1/4”-20 x 3/8” Socket Screw (3)
SX75820: Spacer Washer
SX65800: 7” Full Shroud
SX65803: 7” Convertible Shroud
SX73400: 2 1/4” x 8’ Hose (Not Shown)
SX98087: Hex Key 1/8” (Not Shown)
SX73900: Loop Handle (With Bolts and Washers)
Decal “Warning - Concrete Saw Safety”
SXW24180: 7” Metabo Grinder
SXW24230: 9” Metabo Grinder

Machine Warranty
Information Card
Company Name
Name
Address
Intended Use
Serial Number