Wen 3970 User manual

Model # 3970
4˝ x 6˝ METAL BANDSAW
WITH STAND
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Your new tool has been engineered and manufactured to WEN’s highest standards for dependability,
ease of operation, and operator safety. When properly cared for, this product will 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
[email protected]
WENPRODUCTS.COM
(M-F 8AM-5PM CST)

TABLE OF CONTENTS
Technical Data 2
3
4
5
7
8
14
15
18
21
General Safety Rules
Specific Safety Rules For Band Saw
Electrical Information
Know Your Band Saw
Assembly and Adjustments
Maintenance
Exploded View & Parts List
Warranty
TECHNICAL DATA
3970
120 V, 60 Hz, 3/4 HP, 4.6A
64-1/2 x 1/2 in.
4 x 6 in. (90°)
3-1/2 x 3-1/2 (45°)
4-1/2 in. diameter (90°)
3-1/2 in. diameter (45°)
0 to 45°
80, 120, 180 FPM
L-CKE220
90 mL
109 pounds
2
Operation
Model Number:
Motor:
Saw Blade:
Cutting Capcity for Square Material:
Cutting Capacity for Circular Material:
Cutting Angle Adjustment:
Blade Speed:
Oil Type:
Oil Quantity:
Weight:

3
GENERAL SAFETY RULES
Safety is a combination of common sense, staying alert and knowing how your item works. SAVE THESE SAFE-
TY INSTRUCTIONS.
WARNING: To avoid mistakes and serious injury, do not plug in your tool until the following
steps have been read and understood.
1. READ and become familiar with this entire instruction manual. LEARN the tool’s applications, limitations, and
possible hazards.
2. AVOID DANGEROUS CONDITIONS. Do not use power tools in wet or damp areas or expose them to rain.
Keep work areas well lit.
3. DO NOT use power tools in the presence of flammable liquids or gases.
4. ALWAYS keep your work area clean, uncluttered, and well lit. DO NOT work on floor surfaces that are slippery
with sawdust or wax.
5. KEEP BYSTANDERS AT A SAFE DISTANCE from the work area, especially when the tool is operating.
NEVER allow children or pets near the tool.
6. DO NOT FORCE THE TOOL to do a job for which it was not designed.
7. DRESS FOR SAFETY. Do not wear loose clothing, 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-ventilated area and provide for proper dust removal. Use dust collection sys-
tems whenever possible.
9. ALWAYS remove the power cord plug from the electrical outlet when making adjustments, changing parts,
cleaning, or working on the tool.
10. KEEP GUARDS IN PLACE AND IN WORKING ORDER.
11. AVOID ACCIDENTAL START-UPS. Make sure the power switch is in the OFF position before plugging in
the power cord.
12. REMOVE ADJUSTMENT TOOLS. Always make sure all adjustment tools are removed from the saw before
turning it on.
13. NEVER LEAVE A RUNNING TOOL UNATTENDED. Turn the power switch to OFF. Do not leave the
tool until it has come to a complete stop.
14. NEVER STAND ON A TOOL. Serious injury could result if the tool tips or is accidentally hit. DO NOT store
anything above or near the tool.

4
15. DO NOT OVERREACH. Keep proper footing and balance at all times. Wear oil-resistant rubber-soled foot-
wear. Keep the floor clear of oil, scrap, and other debris.
16. MAINTAIN TOOLS PROPERLY. ALWAYS keep tools clean and in good working order. Follow instruc-
tions for lubricating and changing accessories.
17. CHECK FOR DAMAGED PARTS. Check for alignment of moving parts, jamming, breakage, improper
mounting, or any other conditions that may affect the tool’s operation. Any part that is damaged should be properly
repaired or replaced before use.
18. MAKE THE WORKSHOP CHILDPROOF. Use padlocks and master switches and ALWAYS remove start-
er keys.
19. DO NOT operate the tool if you are under the influence of drugs, alcohol, or medication that may affect your
ability to properly use the tool.
20. USE SAFETY GOGGLES AT ALL TIMES that comply with ANSI Z87.1. Normal safety glasses only have
impact resistant lenses and are not designed for safety. Wear a face or dust mask when working in a dusty environ-
ment. Use ear protection such as plugs or muffs during extended periods of operation.
GENERAL SAFETY RULES
1. To avoid injury from unexpected movement, secure the machine to the floor before operating.
2. The machine must be switched off before inserting any material to be cut in the vise or before removing material
from the vice after cutting operations have been finished.
3. Keep your hands and fingers a safe distance away from the blade at all times.
4. Never attempt to stop the saw blade by hand.
5. Never remove any cutting chips by hand. Use a brush at all times.
6. Never remove any safety guards or safety equipment from the saw.
7. Never leave the machine during operation.
SPECIFIC RULES FOR BAND SAW

5
ELECTRICAL INFORMATION
GROUNDING INSTRUCTIONS
IN THE EVENT OF A MALFUNCTION OR BREAKDOWN, grounding provides the path of least resistance
for an electric current and reduces the risk of electric shock. This tool is equipped with an electric cord that has an
equipment grounding conductor and a grounding plug. The plug MUST be plugged into a matching outlet that is
properly installed and grounded in accordance with ALL local codes and ordinances.
DO NOT MODIFY THE PLUG PROVIDED. If it will not fit the outlet, have the proper outlet installed by a
licensed electrician.
IMPROPER CONNECTION of the equipment grounding conductor can result in electric shock. The conduc-
tor with the green insulation (with or without yellow stripes) is the equipment grounding conductor. If repair or
replacement of the electric cord or plug is necessary, DO NOT connect the equipment grounding conductor to a
live terminal.
CHECK with a licensed electrician or service personnel if you do not com-
pletely understand the grounding instructions or whether the tool is properly
grounded.
USE ONLY THREE-WIRE EXTENSION CORDS that have three-pronged
plugs and outlets that accept the tool’s plug as shown in Fig. A. Repair or re-
place a damaged or worn cord immediately.
CAUTION: In all cases, make certain the outlet in question is properly grounded. If you are not sure,
have a licensed electrician check the outlet.
WARNING: This tool is for indoor use only. Do not expose to rain or use in damp locations.
Guidelines for using extension cords
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. 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 objects, excessive
heat and damp/wet areas.
Use a separate electrical circuit for your tools. This circuit must not be less than a #12 wire and should be protected
with a 15 A time-delayed fuse. Before connecting the motor to the power line, make sure the switch is in the OFF
position and the electric current is rated the same as the current stamped on the motor nameplate. Running at a
lower voltage will damage the motor.
WARNING: This tool must be grounded while in use to protect the operator from electric shock.
FIGURE A
AMPERAGE REQUIRED GAUGE FOR EXTENSION CORDS
25 ft. 50 ft. 100 ft. 150 ft.
4.6 A 18 gauge 16 gauge 14 gauge 14 gauge

6
KNOW YOUR BAND SAW
WARNING: For your own safety, read the instruction manual before operating the band saw.
1. Wear eye protection.
2. Do not wear gloves, a necktie, jewelry, or loose clothing.
3. Make sure the saw is on a firm, level surface and properly secured.
4. Use only the recommended accessories.
5. Use extra caution with very large, very small, or awkward workpieces.
6. Keep hands away from blade at all times to prevent accidental injury.
A
B
C
E
D
F
H
I
JK
L
A Blade Tension Adjustment Knob
B Feed Rate Adjustment Handle
C Vise Adjustment Handle
D Power Switch
E Blade Guard Adjustment Knob
F Belt House
G Motor
H Blade
I Blade Guard
J Uniform Length Stop
K Wheel
L Transport Handle
G

7
WARNING: For your own safety, read the instruction manual before operating the band saw.
1. Wear eye protection.
2. Do not wear gloves, a necktie, jewelry, or loose clothing.
3. Make sure the saw is on a firm, level surface and properly secured.
4. Use only the recommended accessories.
5. Use extra caution with very large, very small, or awkward workpieces.
6. Keep hands away from blade at all times to prevent accidental injury.
ASSEMBLY
UNPACKING
Carefully unpack the band saw and all its parts, and compare against the list below. Do not discard the carton or
any packaging until the band saw is completely assembled.
WARNING: If any part is missing or damaged, do not plug in the band saw until the missing or dam-
aged part is replaced.
Tools Required for Assembly & Adjustments
The tools listed below are not included but are required for either assembly or adjustment.
Two 14mm Open End Wrenches
Two 10mm Open End Wrenches
23
1456
78910 11 12
13 14 15 16 17
TABLE OF LOOSE PARTS
1. Band Saw (1)
2. Stand Legs A (2)
3. Stand Legs B (2)
4. Table (1)
5. Table Support (1)
6. Transport Handle (1)
7. Work Stop Rod (1)
8. Work Stop (1)
9. Belt House (1)
10. V-Belt (1)
11. Motor Pulley (1)
12. Work Gear Pulley (1)
13. Long Brace (2)
14. Short Brace (2)
15. Wheel Mounting Bracket (1)
16. Shaft (1)
17. Wheels (2)
18. Hardware Bag (not shown)
NOTE: Key is tied to motor
shaft.

88
TO ASSEMBLE THE STAND
1. With the help of an assistant, lift the bandsaw onto a suitable support (Fig.A).
2. Attach the legs to the bandsaw with the M8-1.25 x 25 hex bolts, 8mm flat washers, 8mm lock washers and the
M8-1.25 hex nuts. Hand tighten.
3. Attach the short brace to the legs with the M6-1.0x16 carriage bolts, 6mm flat washers, 6mm lock washers and
M6-1.0 hex nuts. Hand tighten.
4. Lift the bandsaw onto the floor. Attach the long brace to the legs with M6-1.0 x 16 carriage bolts, 6mm flat
washers, 6mm lock washers and M6-1.0 hex nuts (Fig. B). Hand tighten.
5. Use the M6-1 x 12 hex bolts, M6-1 hex nuts, 6mm lock washers and the 6mm to install the wheel mounting
brackets to the legs (Fig. C). Hand tighten.
6. Slide the shaft through the holes in the wheel mounting bracket. Slide the wheels onto the shaft on the outside
of the mounting bracket and secure them with the cotter pins (Fig. D).
ASSEMBLY
Fig. A Fig. B
Fig. C Fig. D

9
ASSEMBLY
TO ASSEMBLE THE STAND (CONT.)
7. Check to see if the bandsaw is relativly level, then the tighten all of the
nuts using the necessary wrenches.
8. Insert the handle into the pre-drilled holes on the legs opposite of the
wheels. Secure the handle in place with the cotter pin (Fig. E).
9. Remove the screws and washers from where the belt house needs to be
mounted. Place the belt house over the motor and gear shafts. Secure it
with the removed screws and washers (Fig. F & Fig. G).
10. Open the pulley cover. Take the key from off the motor shaft and
clean the motor shaft. Install the key and motor pulley to the motor shaft
(Fig. H).
11. Install the worm gear pulley on the shaft closest to the gear box, op-
posite of the motor (Fig. H). NOTE: Make sure to pay attention to the
direction of the pulley’s installation.
12. Use a straight edge to check the alignment of the pulley wheels and
adjust them as needed (Fig. H).
13. When the pulley wheels are aligned, tighten the set screws on both
pulleys and install the V belt. The belt tension can be adjusted by adjusting
the motor lock bolt (Fig. I - 1)
14. Install the work stop shaft (Fig. J - 1) into the side of the bandsaw. Lock
it into place by tightening the set screw (Fig. J - 2). Slide the work stop onto
the end of the shaft and lock it into position with the set screw (Fig. J - 3).
Fig. E
Fig. F
Fig. G
Fig. H Fig. I Fig. J
1
1
3
2

Fig. O
10
ADJUSTMENTS
VISE ADJUSTMENT
WARNING - Turn off the machine and disconnect from the power supply
before doing any adjustments.
To use the vise:
1. Loosen the two hex bolts (Fig. K - 1, L - 1).
2. Use the scale as a guide to set your angle (Fig. K - 2).
3. Tighten the hex bolts (Fig. K - 1, L - 1).
4. Loosen the hex bolt on the opposite jaw so the jaw can float. Match the
angle of the workpiece and retighten the hex bolt.
5. Tighten the vise against the workpiece.
1
2
1
Fig. K
Fig. L
BLADE GUIDE ADJUSTMENT
Loosen the knob (Fig. M - 1) and slide the blade guide (Fig. M - 2) as close
to the workpiece as possible, then re-tighten the knob.
FEED RATE ADJUSTMENT
The feed rate is controlled by the spring (Fig. N - 1) and handle (Fig. N -
2). Twist the handle clockwise to add tension to the spring and slow down
the feed rate. Twist the handle counterclockwise to remove the tension
from the spring.
1
2
Fig. M
1
2
Fig. N

11
ADJUSTMENTS
BLADE SPEED ADJUSTMENT
The bandsaw is capable of operating at 80, 120 or 180 FPM. The speed can easily be adjusted by changing the
v-belt placement (Fig. O).
To change the blade’s speed:
1. Loosen the motor lock bolt (Fig. P - 1) to allow the motor to pivot freely.
2. Raise the motor to relieve the belt tension and position the belt into the desired pulley alignment.
3. Release the motor and let ts weight tension the belt.
4. Tighten the motor lock bolt back against the frame of the band saw.
Fig. P Fig. Q
1
1
HEAD LOCK PIN
The head locking pin (Fig. Q - 1) safely secures the head in the down position. To ensure the head does not unex-
pectedly spring up and tip the bandsaw over, this locking pin must be properly inserted when the band saw is not
in use or before moving it.
To use the head locking pin, fully lower the head down. Insert the locking pin through the holes in the head pivot
arm and base, locking the head into the down position (Fig. Q).

12
OPERATION
HORIZONTAL CUTTING (FIG. R)
Use the work stop to quickly and accurately cut multiple pieces of stock
to the same length. Clamp the material firmly in the vise jaws to ensure a
straight cut through the material.
Let the blade reach full speed before engaging the workpiece. Never start a
cut with the blade in contact with the workpiece.
Chips should be curled and silvery. If the chips are thin and powder-like,
increase your feed rate. If the chips are burned, reduce the blade speed.
Wait until the blade has completely stopped before removing the work-
piece from the vise. Avoid touching the cut ends, as they could be very hot.
VERTICAL CUTTING
Workpieces that cannot be properly supported or stabalized without a vise
should not be cut in the vertical position. Make sure that the vertical table
assembly is securely fastened to the band saw frame so it will adequately
support the workpiece.
Always keep your fingers away from the blade. Adjust the blade guides as
close as possible to the workpiece to minimize side-to-side blade move-
ment.
To assemble the bandsaw for vertical cutting:
1. Disconnect the bandsaw from the power supply.
2. Install the safety bracket (Fig. S - 1) and lock it into place with the pin
(Fig. S - 2) to keep the saw from falling. The bracket should catch on the
notch (Fig. S - 3).
3. Remove the two flathead screws (Fig. T - 1) and the blade guide cover
(Fig. T - 2).
4. Install the table (Fig. U - 1) and replace the two screws removed in Step
3 (Fig. U).
5. Install the table support (Fig. U - 2) with the preinstalled hex bolt, the flat
head screw and the hex nut.
Fig. R
Fig. S
Fig. T
Fig. U
1
2
3
1
2
1
2

13
MAINTENANCE
WARNING: Turn off the machine and disconnect the power supply before conducting any maintenance work or
adjusting any settings.
CHANGING THE SAW BLADE
1. Raise the head of the bandsaw to a vertical position. Use the head locking pin to hold it in place, then remove
the wheel access cover.
2. Loosen the tension knob and slip the blade off of the wheels.
3. Install the new blade through both blade guide bearings and around the bottom wheel.
4. Hold the blade around the bottom wheel with one hand and slip it around the top wheel with the other hand,
keeping the blade between the blade guide bearings.
5. Tighten the tension knob so the blade will not slip on the wheels upon startup.
REPLACING THE OIL
If undergoing normal usage, replace the oil approximately once every year. The oil quantity is 90 mL. For profes-
sional or industrial use, replace more often. To access the oil, open the gearbox by removing the screws. Drain
the oil and replace it. Refer to exploded view for location of the gearbox.
The oil type used with your bandsaw is L-CKE220 (viscosity grade 220).
GENERAL MACHINE CARE
• Routinely check the condition of the power supply cords and replace them if they are broken, worn or if inter-
nal wires are showing.
• Use a brush and a shop vacuum to remove chips and other debris from the machine.
• Always keep the machine hand grip clean to prevent accidental slipping during use.
• Remove the processing residues from the cutting area and the blade guides whenever necessary.
• If you do not intend to use the sawing machine for a long time, clean it and put it in a dry place if possible. In
these cases, it is advisable to make sure the blade stays slack so that it is not kept under tension during storage for
any reason.
• To ensure effective machine operation, check the condition of the blade daily. Sharpen it as necessary.

14
PROBLEM CAUSE SOLUTION
The motor does not work. Defective motor, power cable or
plug.
1. Specialized personnel should
check the machine.
2. Close the safety cover.
Machine stalls or is underpow-
ered.
1. Wrong blade for the workpiece
material (metal).
2. Feed rate too fast for task.
3. V-belt is slipping.
1. Use a blade with correct prop-
erties for your type of cutting.
2. Decrease the feed rate.
3. Replace bad v-belt and re-
tension.
Machine has vibration or noisy
operation.
1. V-belt is slapping the belt cover.
2. V-belt is worn or loose.
3. Pulley is loose.
1. Inspect belt cover for proper
installation.
2. Inspect/replace belt with a new
one.
3. Realign/replace shaft, pulley,
setscrew and key as required.
Teeth are ripping from the blade. 1. The feed pressure is too heavy
and the blade speed is too slow;
or the blade TPI is too coarse for
the workpiece.
2. The workpiece is vibrating in
the vise.
3. The blade gullets are loading
up with chips.
1. Decrease the feed pressure or
choose the proper blade.
2. Re-clamp the workpiece in the
vise and use a jig if required.
3. Use a coarser-tooth blade.
Inaccurate cut squaring 1. Excessive cutting pressure.
2. Incorrect blade tooth in rela-
tion to the workpiece.
3. Incorrect adjustment of the
sliding blade guide.
4. Incorrect cutting speed in rela-
tion to work piece.
5. The workpiece is wrongly posi-
tioned in the vise.
6. Poor blade tension.
1. Decrease the cutting pressure.
2. Choose the proper blade for
the given workpiece.
3. Check the blade guide adjust-
ment.
4. Adjust to the correct cutting
speed.
5. Check workpiece positioning
and clamping in the vise.
6. Check the blade tension.
The blade tends to protrude from
the guide.
1. Excessive blade tension.
2. Incorrect eccentric blade guide
adjustment.
3. The blade slips on the pulleys,
due to the oil or grease required
for cutting operations.
1. Check blade tension.
2. Check eccentric blade guide
adjustment.
3. Never use any type of lubri-
cant or coolant for the cutting
operations; specialized personnel
should check and replace the pul-
leys if necessary.
TROUBLESHOOTING

15
EXPLODED VIEW AND PARTS LIST

16
EXPLODED VIEW AND PARTS LIST
No. Part Number Description Qty
1 3970-001 Worm gear pulley 1
2 3970-002 Set screw 1
3 3970-003 Pan head screw 1
4 3970-004 Flat washer 1
5 3970-005 Flat head screw 2
6 3970-006 Bearing cover 1
7 3970-007 Oil seal 1
8 3970-008 Ball bearing 1
9 3970-009 Bearing bushing 1
10 3970-010 Ball bearing 1
11 3970-011 Worm gear 1
12 3970-012 V belt 1
13 3970-013 Hex head bolt 6
14 3970-014 Lock washer 6
15 3970-015 Flat washer 6
16 3970-016 Gear box cover 1
17 3970-017 Gear box gasket 1
18 3970-018 Key 2
19 3970-019 Worm assembly 1
20 3970-020 Spring pin 1
21 3970-021 Worm gear 1
22 3970-022 Hex head bolt 1
23 3970-023 Hex head bolt 1
24 3970-024 Hex head bolt 1
25 3970-025 Flat washer 1
26 3970-026 Hex head bolt 4
27 3970-027 Lock washer 4
28 3970-028 Sliding block 1
29 3970-029 Flat washer 4
30 3970-030 Guide plate 2
31 3970-031 Shaft block 1
32 3970-032 Shaft 1
33 3970-033 Blade tension nut 1
34 3970-034 Spring 1
35 3970-035 Flat washer 1
36 3970-036 Blade tension knob 1
37 3970-037 Bushing 1
38 3970-038 Ball bearing 2
39 3970-039 Retaining ring 2
40 3970-040 Rear blade wheel 1
41 3970-041 Flat washer 1
42 3970-042 Flat washer 1
43 3970-043 Socket head screw 1
44 3970-044 Blade 1
45 3970-045 Switch cut off finger 1
46 3970-046 Flat washer 1
47 3970-047 Lock washer 1
48 3970-048 Pan head screw 1
49 3970-049 Rear guide tighten knob 1
50 3970-050 Flat washer 1
51 3970-051 Bushing 1
52 3970-052 Ball bearing 2
53 3970-053 Oil seal 1
54 3970-054 Bearing cover 1
55 3970-055 Flat head screw 3
No. Part Number Description Qty
56 3970-056 Bushing 1
57 3970-057 Front blade wheel 1
58 3970-058 Set screw 1
59 3970-059 Retaining ring 1
60 3970-060 Flat washer 4
61 3970-061 Pan head screw 4
62 3970-062 Frame 1
63 3970-063 Hex head bolt 1
64 3970-064 Hex nut 1
65 3970-065 Hex head bolt 1
66 3970-066 Flat washer 1
67 3970-067 Pan head screw 1
68 3970-068 Lock washer 1
69 3970-069 Flat washer 1
70 3970-070 Hex head bolt 1
71 3970-071 Motor support plate 1
72 3970-072 Hex head bolt 1
73 3970-073 Hex nut 1
74 3970-074 Hex nut 4
75 3970-075 Lock washer 4
76 3970-076 Flat washer 4
77 3970-077 Hex head bolt 4
78 3970-078 Hex head bolt 1
79 3970-079 Belt cover 1
80 3970-080 Knob 1
81 3970-081 Flat washer 1
82 3970-082 Pan head screw 1
83 3970-083 Set screw 1
84 3970-084 Motor pulley 1
85 3970-085 Key 1
86 3970-086 Motor 1
N/A 3970-086-01 Motor Fan Cover 1
N/A 3970-086-02 Motor Capacitor 1
N/A 3970-086-03 Motor Capacitor Cover 1
87 3970-087 Front guide base 1
88 3970-088 Flat washer 1
89 3970-089 Lock washer 1
90 3970-090 Hex head bolt 1
91 3970-091 Hex nut 2
92 3970-092 Lock washer 2
93 3970-093 Ball bearing 1
94 3970-094 Shaft 1
95 3970-095 Front blade guide 1
96 3970-096 Shaft 2
97 3970-097 Ball bearing 2
98 3970-098 Retaining ring 2
99 3970-099 Front blade guard 1
100 3970-100 Flat head screw 2
101 3970-101 Hex nut 2
102 3970-102 Lock washer 2
103 3970-103 Hex head bolt 1
104 3970-104 Lock washer 1
105 3970-105 Flat washer 1
106 3970-106 Ball bearing 1
107 3970-107 Shaft 1

17
EXPLODED VIEW AND PARTS LIST
No. Part Number Description Qty
108 3970-108 Rear blade guide 1
109 3970-109 Shaft 2
110 3970-110 Ball bearing 2
111 3970-111 Retaining ring 2
112 3970-112 Rear blade guard 1
113 3970-113 Flat washer 2
114 3970-114 Pan head screw 2
115 3970-115 Rear guide base 1
116 3970-116 Pan head screw 1
117 3970-117 Flat washer 1
118 3970-118 Frame guard 1
119 3970-119 Extension guard 1
120 3970-120 Knob 1
121 3970-121 Pin with chain 1
122 3970-122 Socket head screw 2
123 3970-123 Lock washer 2
124 3970-124 Flat washer 2
125 3970-125 Set screw 1
126 3970-126 Pivot block 1
127 3970-127 Spring 1
128 3970-128 Spring adjusting screw 1
129 3970-129 Hex head bolt 2
130 3970-130 Lock washer 2
131 3970-131 Flat washer 2
132 3970-132 Screw support plate 1
133 3970-133 Adjusting rod 1
134 3970-134 Knob 1
135 3970-135 Adjusting rod support 1
136 3970-136 Hex head bolt 8
137 3970-137 Flat washer 8
138 3970-138 Lock washer 8
139 3970-139 Hex nut 8
140 3970-140 Pivoting rod 1
141 3970-141 Spring pin 1
142 3970-142 Flat washer 1
143 3970-143 Hex head bolt 1
144 3970-144 Flat washer 1
145 3970-145 Hex head bolt 1
146 3970-146 Flat washer 1
147 3970-147 Vise jaw 1
148 3970-148 Hex head bolt 1
149 3970-149 Flat washer 1
150 3970-150 Sliding vise jaw 1
151 3970-151 Base 1
152 3970-152 Pan head screw 2
153 3970-153 Flat washer 2
154 3970-154 Strain relief 1
155 3970-155 Strain relief mounting plate 1
156 3970-156 Hex head bolt 1
157 3970-157 Hex nut 1
158 3970-158 Set screw 1
159 3970-159 Safety bracket 1
160 3970-160 Flat washer 1
161 3970-161 Hex head bolt 1
162 3970-162 Hex nut 2
No. Part Number Description Qty
163 3970-163 Cord clamp 2
164 3970-164 Pin with chain 1
165 3970-165 Flat washer 2
166 3970-166 Pan head screw 2
167 3970-167 Set screw 1
168 3970-168 Work Stop 1
169 3970-169 Work stop rod 1
170 3970-170 Hex nut 1
171 3970-171 Flat washer 1
172 3970-172 Switch box 1
173 3970-173 Switch mounting plate 1
174 3970-174 Thread forming screw 2
175 3970-175 Strain relief 2
176 3970-176 Power cord 1
177 3970-177 Serrated washer 2
178 3970-178 Pan head screw 2
179 3970-179 Switch 1
180 3970-180 Angle scale 1
181 3970-181 Rivet 2
182 3970-182 Screw support block 1
183 3970-183 Flat washer 2
184 3970-184 Lock washer 2
185 3970-185 Hex head bolt 2
186 3970-186 Vise nut 1
187 3970-187 Lead screw 1
188 3970-188 Bushing 1
189 3970-189 Set screw 1
190 3970-190 Hex head bolt 1
191 3970-191 Crank handle 1
192 3970-192 cotter pin 2
193 3970-193 Transport handle 1
194 3970-194 Leg A 2
195 3970-195 Leg B 2
196 3970-196 Hex nut 8
197 3970-197 Lock washer 8
198 3970-198 Flat washer 8
199 3970-199 Carriage bolt 8
200 3970-200 Long brace 2
201 3970-201 Short brace 2
202 3970-202 Hex nut 2
203 3970-203 Flat washer 2
204 3970-204 Transport wheel 2
205 3970-205 Hex head bolt 2
206 3970-206 Flat washer 2
207 3970-207 Lock washer 2
208 3970-208 Wheel stand 1
209 3970-209 Shaft 1
210 3970-210 cotter pin 2
211 3970-211 Table 1
212 3970-212 Flat head screw 1
213 3970-213 Table support 1
214 3970-214 Flat washer 1
215 3970-215 Hex nut 1

18
LIMITED TWO YEAR WARRANTY
WEN Products is committed to build tools that are dependable for years. Our warranties are consistent with this
commitment and our dedication to quality.
LIMITED WARRANTY OF WEN CONSUMER POWER TOOLS PRODUCTS FOR HOME USE
GREAT LAKES TECHNOLOGIES, LLC (“Seller”) warrants to the original purchaser only, that all WEN con-
sumer power tools will be free from defects in material or workmanship for a period of two (2) years from date of
purchase. Ninety days for all WEN products, if the tool is used for professional use.
SELLER’S SOLE OBLIGATION AND YOUR EXCLUSIVE REMEDY under this Limited Warranty and, to
the extent permitted by law, any warranty or condition implied by law, shall be the repair or replacement of parts,
without charge, which are defective in material or workmanship and which have not been misused, carelessly
handled, or misrepaired by persons other than Seller or Authorized Service Center. To make a claim under this
Limited Warranty, you must make sure to keep a copy of your proof of purchase that clearly defines the Date of
Purchase (month and year) and the Place of Purchase. Place of purchase must be a direct vendor of Great Lakes
Technologies, LLC. Third party vendors such as garage sales, pawn shops, resale shops, or any other secondhand
merchant void the warranty included with this product. Contact [email protected] or 1-800-232-
1195 to make arrangements for repairs and transportation.
When returning a product for warranty service, the shipping charges must be 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 product will be returned and shipped back to the purchaser at no charge.
THIS LIMITED WARRANTY DOES NOT APPLY TO ACCESSORY ITEMS THAT WEAR OUT FROM
REGULAR USAGE OVER TIME INCLUDING BELTS, BRUSHES, BLADES, ETC.
ANY IMPLIED WARRANTIES SHALL BE LIMITED IN DURATION TO ONE (1) YEAR FROM DATE
OF PURCHASE. SOME STATES IN THE U.S., SOME CANADIAN PROVINCES DO NOT ALLOW
LIMITATIONS ON HOW LONG AN IMPLIED WARRANTY LASTS, SO THE ABOVE LIMITATION
MAY NOT APPLY TO YOU.
IN NO EVENT SHALL SELLER BE LIABLE FOR ANY INCIDENTAL OR CONSEQUENTIAL DAM-
AGES (INCLUDING BUT NOT LIMITED TO LIABILITY FOR LOSS OF PROFITS) ARISING FROM
THE SALE OR USE OF THIS PRODUCT. SOME STATES IN THE U.S. AND SOME CANADIAN
PROVINCES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CON-
SEQUENTIAL DAMAGES, SO THE ABOVE LIMITATION OR EXCLUSION MAY NOT APPLY TO
YOU.
THIS LIMITED WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS, AND YOU MAY ALSO HAVE
OTHER RIGHTS WHICH VARY FROM STATE TO STATE IN THE U.S., PROVINCE TO PROVINCE
IN CANADA AND FROM COUNTRY TO COUNTRY.
THIS LIMITED WARRANTY APPLIES ONLY TO PORTABLE ELECTRIC TOOLS, BENCH POW-
ER TOOLS, OUTDOOR POWER EQUIPMENT AND PNUMATIC TOOLS SOLD WITHIN THE
UNITED STATES OF AMERICA, CANADA AND THE COMMONWEALTH OF PUERTO RICO. FOR
WARRANTY COVERAGE WITHIN OTHER COUNTRIES, CONTACT THE WEN CUSTOMER SUP-
PORT LINE.