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For technical questions, please call 1-888-866-5797.

Item 61790 
        

Sa

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Maint

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Operating instructions

  read the EntirE iMpOrtant SaFEty inFOrMatiOn section at the beginning of this 

manual including all text under subheadings therein before set up or use of this product.

tool Set up

tO prEVEnt SEriOuS inJury FrOM acciDEntaL OpEratiOn: 
Make sure that the trigger is in the off-position and unplug the tool from its 
electrical outlet before performing any procedure in this section.

Workpiece and Work area Set up

1.  Designate a work area that is clean and well lit.  

The work area must not allow access by children 
or pets to prevent distraction and injury.

2.  Route the power cord along a safe route to reach 

the work area without creating a tripping hazard or 
exposing the power cord to possible damage.  The 
power cord must reach the work area with enough 
extra length to allow free movement while working.  

3.  Secure loose workpieces using a vise or clamps 

(not included) to prevent movement while working.

4.  There must not be objects, such as utility lines, 

nearby that will present a hazard while working.

Vacuum Operation

tO prEVEnt SEriOuS inJury FrOM acciDEntaL OpEratiOn: 
turn the Switch off and unplug the power cord from its electrical outlet before removing the power Head.
Do not tamper with or remove the grounding pole on the plug.  you must use 
this unit with a 3 pole receptacle.  if you use an extension cord, it must meet 
amperage specified (16 aWG), and the cord must be 3-pronged. 

This unit is designed for use with an existing dust 
system, or you can construct a new system.
1. 

If constructing a new system, connect 4″ vent pipe 
(not included) to the 4″ inlet side of the collector.

2.  Determine the size of the dust ports on your 

tools and run vacuum hoses from each 
tool to an appropriate sized adapter, and 

into the 4″ vent pipe (none included).

table a:  rEcOMMEnDED MiniMuM WirE GauGE 

FOr EXtEnSiOn cOrDS  (120 VOLt)

naMEpLatE 

aMpErES

(at full load)

EXtEnSiOn cOrD 

LEnGtH

25′

50′

100′ 150′

0 – 6

18

16

16

14

6.1 – 10

18

16

14

12

10.1 – 12

16

16

14

12

12.1 – 16

14

12

Do not use.

3.  USE PROPER EXTENSION CORD.  

Make sure your extension cord is in good 
condition. When using an extension cord, be 
sure to use one heavy enough to carry the 
current your product will draw. An undersized 

cord will cause a drop in line voltage resulting in 
loss of power and overheating. 

 

Table A shows 

the correct size to use depending on cord 
length and nameplate ampere rating. 
If in doubt, use the next heavier gauge. 
The smaller the gauge number, the heavier the cord.

4.  Make sure that the Switch is in its off position.  

Plug the Power Cord into the power outlet.

5.  Turn the switch on to operate the Dust Collector.
6.  Make sure the Collection Bag (37) 

is on tight and not leaking.

7.  During operation, periodically check how full 

the Collection Bag is.  Do not let it fill more 
than 3/4 full.  A completely full bag puts a 
lot of stress on the bag and the clamp. 

8.  To change Collection Bag, wear ANSI-approved 

safety goggles, and a dust mask.  Turn Dust 
Collector off, remove the Filter Clamp (31), and 
empty the bag.  Reinstall the bag and clamp.

9.  To prevent accidents, turn off the appliance and 

unplug it after use.   
Empty and clean Bags, clean Filter 
(see 

cleaning Filter on page 8

),  

then store the appliance indoors 
out of children’s reach.

Summary of Contents for 61790

Page 1: ... and the receipt in a safe and dry place for future reference 18j When unpacking make sure that the product is intact and undamaged If any parts are missing or broken please call 1 888 866 5797 as soon as possible Copyright 2014 by Harbor Freight Tools All rights reserved No portion of this manual or any artwork contained herein may be reproduced in any shape or form without the express written co...

Page 2: ...en not in use and before servicing 2 Do not use outdoors or on wet surfaces 3 Do not allow to be used as a toy Close attention is necessary when used by or near children 4 Use only as described in this manual Use only manufacturer s recommended attachments 5 Do not use with damaged cord or plug If appliance is not working as it should has been dropped damaged left outdoors or dropped into water re...

Page 3: ...uilt into this product but must be supplied by the operator SaVE tHESE inStructiOnS Grounding instructions this appliance must be grounded if it should malfunction or breakdown grounding provides a path of least resistance for electric current to reduce the risk of electric shock this appliance is equipped with a cord having an equipment grounding conductor and grounding plug the plug must be inse...

Page 4: ... manual assembly 1 Place Caster 39 in place on the underside corner of the Base Plate 40 For all four corners of the Caster insert one Screw 5 through Washer 21 down into Base Plate and through Caster Thread on Nut 38 Repeat for remaining three Casters 2 Attach the first Collector Support 29 to the Base Plate Line up the Collector Support with holes on edge of the Base Plate Insert Bolt 16 down th...

Page 5: ...Figure E Filter Bag Support 33 collector Support 29 collector 30 Bolt 16 Figure E 8 Slide the Hose Clamp 23 onto the Hose 24 Slide Hose with Hose Clamp onto the Outlet Once the Hose is in place tighten the screw on the Hose Clamp until the Hose is securely fastened to the Outlet See Figure D 9 Slide the Hose Clamp onto the other end of the Hose Slide the top opening of the Hose over the duct in th...

Page 6: ...Page 6 For technical questions please call 1 888 866 5797 Item 61790 SaFEty OpEratiOn MaintEnancE SEtup Functions Hose Filter Bag collection Bag collector caster y inlet Fan Housing ...

Page 7: ...existing dust system or you can construct a new system 1 If constructing a new system connect 4 vent pipe not included to the 4 inlet side of the collector 2 Determine the size of the dust ports on your tools and run vacuum hoses from each tool to an appropriate sized adapter and into the 4 vent pipe none included table a rEcOMMEnDED MiniMuM WirE GauGE FOr EXtEnSiOn cOrDS 120 VOLt naMEpLatE aMpErE...

Page 8: ... any other condition that may affect its safe operation 2 aFtEr uSE wipe external surfaces of the appliance with clean cloth Store in an indoor dry area out of reach of children 3 All parts are permanently lubricated Do not use additional lubrication 4 Check Collection and Filter Bags 1 each prior to each use for tears or fraying Replace if necessary 5 Periodically tighten the Filter Clamps 31 and...

Page 9: ...ord If an extension cord is needed use one with the proper diameter for its length and load See table a on page 7 Overheating 1 Blocked motor housing vents 2 Motor being strained by long or small diameter extension cord 3 Motor being strained by over full Collection Bag 1 Wear ANSI approved safety goggles and NIOSH approved dust mask respirator while blowing dust out of motor using compressed air ...

Page 10: ...rts List and Diagram pLEaSE rEaD tHE FOLLOWinG carEFuLLy THE MANUFACTURER AND OR DISTRIBUTOR HAS PROVIDED THE PARTS LIST AND ASSEMBLY DIAGRAM IN THIS MANUAL AS A REFERENCE TOOL ONLY NEITHER THE MANUFACTURER OR DISTRIBUTOR MAKES ANY REPRESENTATION OR WARRANTY OF ANY KIND TO THE BUYER THAT HE OR SHE IS QUALIFIED TO MAKE ANY REPAIRS TO THE PRODUCT OR THAT HE OR SHE IS QUALIFIED TO REPLACE ANY PARTS O...

Page 11: ...1790 SaFEty OpEratiOn MaintEnancE SEtup assembly Diagram 2 1 3 4 5 6 7 8 9 10 11 12 13 17 18 19 20 21 22 23 24 14 16 26 27 25 28 14 41 15 36 14 16 5 21 40 39 9 38 16 29 16 14 32 31 30 23 31 37 29 14 16 16 14 33 16 14 34 35 16 15 36 29 15 15 14 15 15 14 15 21 15 15 14 ...

Page 12: ...so the above limitation of exclusion may not apply to you THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS To take advantage of this warranty the product or part must be returned to us with transportation charges prepaid Proof of purchase date and an explanation of the complaint must accompany the merchandise If o...

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