Wen 3720 Manual Download

Page: 19 / 22

EXPLODED VIEW & PARTS LIST

Item#

Stock #

Description

3720-001

Table

3720-002

Table indicator

3720-003

Screw

3720-004

Guide wheel

3720-005

Screw

3720-006

Nylon nut

3720-007

Washer

3720-008

Extension rod holder

3720-009

Screw

3720-010

Locking piece

3720-013

Rear locking link

3720-014

Table extension lock lever

3720-015

Carriage bolt

3720-016

End cap

3720-017

Front rail

3720-018

Screw

18-1 3720-018-1 Washer

3720-019

Scale

3720-020

End cap

3720-021

Extension rail mount

3720-022

Washer

3720-023

Screw

3720-024

Extension table

3720-025

Alignment disc

3720-026

Screw

3720-027

Table insert

27-1 3720-027-1 Dado insert

3720-028

Compression spring

3720-029

Linkage pivot

3720-030

End cap

3720-031

Rear rail

3720-033

End cap

3720-034

Crank wheel knob

3720-035

Elevation wheel handle

3720-036

Washer

3720-037

Actuating arm

3720-038

Crank wheel clamping lever

3720-039

Bevel crank wheel

3720-040

Bevel locking lever

3720-041

Screw

3720-042

Screw

3720-043

Bevel clamp assembly

3720-044

Washer

3720-045

Angle locking bushing

3720-046

Compression spring

Item# Stock #

Description

3720-047 Nut

3720-048 Washer

3720-049 Screw

3720-050 Pivot plate-Front

3720-051 Bushing

3720-052 Angle locking plate

3720-053 Screw

3720-054 Nut

3720-055 Screw

3720-056 Nylon nut

3720-057 Nylon nut

3720-058 Screw

3720-059 Spring washer

3720-060 Washer

3720-061 Bevel gear pad

3720-062 Bevel gear

3720-063 Screw

3720-064 Elevation crank shaft

3720-065 Pivot plate-Rear

3720-066 Rear mount

3720-067 Crank wheel cap

3720-068 Screw

3720-069 Crank wheel

3720-070 Bevel gear wheel

3720-071 Compression spring

3720-072 Front mount

3720-073 Angle adjustment wheel

3720-074 Square nut

3720-075 Bevel indicator

3720-076 Bushing - driving rod

3720-077 Bracket - driving rod

3720-078 Lock washer

3720-079 Bevel support indicator

3720-080 Motor bracket

3720-081 Fix bushing

3720-082 Screw

3720-083 Inner blade collar

3720-084 Blade

3720-085 Outer blade flange

3720-086 Arbor nut

3720-087 Dust chute

3720-088 Knob

3720-089 Wrench

3720-090 Knob ring

3720-091 Carriage bolt

Summary of Contents for 3720

Page 1: ... supply you years of rugged trouble free performance Pay close attention to the rules for safe operation warnings and cautions If you use your tool properly and for intended purpose you will enjoy years of safe reliable service IMPORTANT NEED HELP CONTACT US Have product questions Need technical support Please feel free to contact us at 800 232 1195 techsupport wenproducts com WENPRODUCTS COM M F ...

Page 2: ...ments Maintenance Exploded View Parts List Warranty TECHNICAL DATA Model Number Motor No Load Speed Blade Size Arbor Size Number of Teeth Depth of Cut at 90 Depth of Cut at 45 Max Dado Head Size Table Size Wheel Diameter Weight 3720 120 V 60 Hz 15A 4400 RPM 10 in Carbide Tipped Blade 5 8 in 40 3 9 16 in 2 1 2 in 13 16 in 30 x 25 3 8 in to 40 x 35 7 8 in 8 in 79 lbs 2 Operation ...

Page 3: ...gloves neckties or jewelry rings watches etc when op erating the tool Inappropriate clothing and items can get caught in moving parts and draw you in ALWAYS wear non slip footwear and tie back long hair 8 WEAR A FACE MASK OR DUST MASK to fight the dust produced by sawing operations WARNING Dust generated from certain materials can be hazardous to your health Always oper ate the tool in a well vent...

Page 4: ... USE THE BLADE GUARD riving knife and anti kickback fingers on all through sawing opera tions Through sawing operations are those when the blade cuts completely through the workpiece as in ripping or crosscutting 2 AVOID KICKBACKS by keeping the blade sharp and the rip fence parallel to the saw blade Make sure the riv ing knife anti kickback fingers and the blade guard are in place aligned properl...

Page 5: ... a work piece stalls the blade turn the saw off and unplug it for both safety and also damage prevention to the motor 12 PROVIDE ADEQUATE SUPPORT to the rear and sides of the table saw for wide or long workpieces 13 AVOID AWKWARD OPERATIONS and hand positions where a sudden slip could cause your hand to move into the spinning blade 14 MOUNT YOUR TABLE SAW on the supplied stand or to a work bench b...

Page 6: ...The table below shows the correct size to be used according to cord length and nameplate ampere rating When in doubt use a heavier cord The smaller the gauge number the heavier the cord Make sure your extension cord is properly wired and in good condition Always replace a damaged extension cord or have it repaired by a qualified person before using it Protect your extension cords from sharp object...

Page 7: ...ever 7 Rip fence adjustment gauge 8 Retractable extension table 9 Plastic push stick and storage 10 Extension table lock release lever 11 Bevel angle adjustment wheel 12 Blade height adjustment lock 13 Blade height adjustment handwheel 14 Stand release latch 15 Power Switch with safety key 16 Reset 17 Bevel angle lock release lever 6 7 8 1 2 3 4 5 9 10 11 12 13 14 15 16 17 ...

Page 8: ...r riage bolts plastic spacers and nuts 4 Mount wheel bracket E to foot bracket D and middle bracket C using carriage bolts plastic spacers and nuts 5 Remove the wheel cap F Fig 1 and remove mounting hard ware inside wheel Mount the wheels G to wheel bracket E using large washers and nuts Install wheel caps F once wheels are installed 6 The stand is now completely assembled and should look like the...

Page 9: ...rn the blade height lock knob A Fig 5 counterclock wise to unlock Turn the elevation handwheel B Fig 5 counter clockwise and raise the blade to its highest position above the table The riving knife B Fig 7 consists of a metal piece slightly thinner than the blade that helps to keep the blade kerf open to prevent kickback This saw is shipped with the riving knife in the non through cutting or down ...

Page 10: ... secured in the up position 2 Make sure the table insert A is installed in the table top opening 3 Lower the back end shaft B into the middle slot C of the riving knife Pull the blade guard lock lever D toward the front of the saw then pivot the blade guard towards the front of the saw Once the blade guard is parallel to the table lock the blade guard to the riving knife by pushing the lock lever ...

Page 11: ... hex bolts C Adjust the rip fence pointer E to the same marking by loosening pointer screw F and repositioning pointer MOUNTING AND ADJUSTING MITER GAUGE FIG 14 When crosscutting with the blade set at either 900 or 450 to the table the miter gauge can be used in either T slot on the table When crosscutting and the blade is tilted use the T slot on right side of table where the blade is tilted away...

Page 12: ... the blade height lock knob A counterclockwise to un lock Turn the handwheel B counterclockwise to raise the blade or clockwise to lower the blade 2 Once the blade is set in the desired height turn blade height lock knob A clockwise to lock blade position ADJUSTING THE BLADE ANGLE Note A 90 cut has a 0 bevel angle and a 45 cut has a 45 bevel angle 1 Unlock the bevel locking lever A Fig 18 by pulli...

Page 13: ... both measurements must be equal to or less than 1 64 If an adjustment is necessary loosen the four cap screws D that fix the blade and motor assembly to the table top Make the needed adjustment to the blade position until both measurements are equal or less than 1 64 and retighten the four cap screws D MARKABLE INSERT ON TABLE A plastic markable insert A Fig 21 located in front of the saw blade i...

Page 14: ...e B Fig 24 and arbor nut A Fig 24 on arbor shaft and tighten with arbor wrenches 6 Reinstall the table insert Then reinstall the blade guard and anti kickback fingers assembly OPERATION SAFETY PRECAUTIONS BEFORE OPERATION The operation of power tools involves a certain amount of hazard for the operator Before attempting regular work we recommend you get the feel of operations using scrap lumber to...

Page 15: ...iece rides against the rip fence while the flat side of the board rests on the table Since the work piece is pushed along the fence it must have a straight edge and make solid contact with the table The blade guard must be used at all times The guard has anti kickback fingers and a riving knife to prevent the saw kerf from closing Start the motor and advance the work piece forward holding it down ...

Page 16: ...L AND DADO INSERT Dadoing is cutting a rabbet or a wide groove into the work Most dado head sets are made up of two outside blades and four or five inside cutters as shown in Fig 25 Various combination of blades and cutters are used to cut grooves from 1 8 in to 13 16 in for use in shelving making joints tenoning grooving ect The cutters are heavily swaged and must be arranged so that this heavy p...

Page 17: ...17 EXPLODED VIEW PARTS LIST ...

Page 18: ...18 EXPLODED VIEW PARTS LIST ...

Page 19: ...42 Screw 43 3720 043 Bevel clamp assembly 44 3720 044 Washer 45 3720 045 Angle locking bushing 46 3720 046 Compression spring Item Stock Description 47 3720 047 Nut 48 3720 048 Washer 49 3720 049 Screw 50 3720 050 Pivot plate Front 51 3720 051 Bushing 52 3720 052 Angle locking plate 53 3720 053 Screw 54 3720 054 Nut 55 3720 055 Screw 56 3720 056 Nylon nut 57 3720 057 Nylon nut 58 3720 058 Screw 59...

Page 20: ... 223 3720 223 Motor housing field Item Stock Description 224 3720 224 Bolt 225 3720 225 Baffle 226 3720 226 Bearing sleeve 227 3720 227 Armature assembly 228 3720 228 Fan 229 3720 229 Bearing 230 3720 230 Strain relief 231 3720 231 Motor connect line 301 3720 301 Miter gauge label 302 3720 302 Miter gauge 303 3720 303 Miter gauge indicator 304 3720 304 Steel ball 305 3720 305 Compression spring 30...

Page 21: ...720 716 Warning label 717 3720 717 Rip fence 718 3720 718 Compression Spring 719 3720 719 Rear fence slide Item Stock Description 720 3720 720 Rear clamping plate 721 3720 721 Bolt 722 3720 722 Nut 723 3720 723 Rear channel cap 724 3720 724 Washer 801 3720 801 Support bar 802 3720 802 Screw 803 3720 803 Externsion block 804 3720 804 Fixed set 805 3720 805 Washer 806 3720 806 Screw 901 3720 901 Bol...

Page 22: ... prepaid by the purchaser The prod uct must be shipped in its original container or an equivalent properly packed to withstand the hazards of ship ment The product must be fully insured with a copy of the warranty card and or the proof of purchase enclosed There must also be a description of the problem in order to help our repairs department diagnose and fix the issue Repairs will be made and the...

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