Weaver MASTER TOOL CUB Bedienungsanleitung

weaverleathersupply.com

800-932-8371

MASTER TOOL CUB SEWING MACHINE

OWNER’S MANUAL

U.S. Patent #9,657,418

INSERT-192 6/22

22-4959-SP-PKG

Hand-Crank Design Simulates a

Flywheel for Natural Movement

and Precision Stitching

Congratulations on your purchase of the Master Tool Cub Sewing Machine. This

heavy-duty cylinder arm sewing machine stitches up to 3/4" leather, nylon and

canvas with ease and precision with a non-motorized, portable design that’s

perfect for crafters, hobbyists and repair shops.

• Patented, hand-crank design simulates a ﬂywheel, encouraging natural

movement for smooth operation that makes it easy to maintain a continuous

line of stitching.

• Sews up to 4 stitches per inch with a consistent stitch length no matter

the speed.

• Portable design is great for taking to shows.

• Backed by our Limited Lifetime Guarantee.

Table of Contents

Page

Unpack Your Box...................................................3

Attaching the Hand-Crank Flywheel ................................4

Moving the Flywheel Handle........................................5

Getting to Know the Master Tool Cub Sewing Machine ...............6

Threading .....................................................7 & 8

Filling Bobbins .....................................................8

Removing and Inserting Bobbin.....................................9

Stitching .....................................................10 & 11

Adjusting Thread Tension .........................................12

Adjusting Bobbin Tension .........................................12

Changing the Needle..............................................13

Needle & Thread Chart ............................................13

Maintenance ................................................ 14 & 15

Troubleshooting ..................................................15

Replacement Parts................................................16

HANDCRAFTED IN THE USA

LIMITED LIFETIME GUARANTEE

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800-932-8371

UNPACK YOUR BOX

The Master Tool Cub arrives

completely assembled.

You’ll ﬁnd the following in your box:

1. Master Tool Cub Sewing Machine

2. Thread Holder

3. Two 4 oz. Spools of White Thread

4. Thread Nipper

5. Bobbin Winder

6. Two Bobbins

7. One Pack of 794S-200 Needles

8. Allen Wrenches

9. 4 oz. Lily Stitching Oil

10. Sewing Machine Oiler

11. Roller Guide

12. Mounting Hardware

13. Owner’s Manual

Machine holds Allen

Wrenches and Bobbin

Winder for easy access

Shipping Weight:

50 lbs.

weaverleathersupply.com

800-932-8371

MASTER TOOL CUB SEWING MACHINE

OWNER’S MANUAL

U.S. Patent #9,657,418

INSERT-192 6/22

22-4959-SP-PKG

9 10

You may ﬁnd it easier to transport the Master Tool Cub without the Flywheel

attached. The Flywheel can be easily removed after loosening the Bolts with a

3/16" Allen Wrench. Below are instructions on attaching the Flywheel.

1) Locate the ﬂat sides on the Flywheel Shaft. (Figure 1)

2) Slide the Hand-Crank Flywheel on the Flywheel Shaft, making sure to

line up the Bolts with the ﬂat sides on the Flywheel Shaft. (Figure 2)

3) Tighten the Bolts using the included 3/16" Allen Wrench. (Figure 3)

ATTACHING THE HAND-CRANK FLYWHEEL

Figure 2 Figure 3Figure 1

Hand-CrankHand-Crank

FlywheelFlywheel

ShaftShaft

BoltsBolts

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MOVING THE FLYWHEEL HANDLE

Figure 4 Figure 5

Important Note: Flywheel design features two threaded holes for changing the position of

the Flywheel Handle. (Figure 4)

The threaded screw inside the Handle can be reached from the cut out portion on the

Handle’s end and loosened using the included 7/32" Allen Wrench. Move the Handle to the

desired threaded hole, and tighten the screw using the Allen Wrench. Make sure the Handle

is attached securely. (Figure 5)

Positioning the Handle on the outer edge of the wheel provides more leverage and control.

Moving the Handle to the inner position allows the Flywheel to turn faster.

GETTING TO KNOW THE MASTER TOOL CUB SEWING MACHINE

Do not operate this machine until you have read and understand the instructions in this manual.

This machine is designed for stitching up to 3/4" leather, nylon and canvas. Use for any other

purpose is prohibited and voids the warranty.

Hand-Crank

Flywheel

Safety

• Never use this machine unless it is securely fastened to a workbench. Simply

secure machine to your workbench with included mounting hardware.

• Always keep all ﬁngers and body parts away from moving parts.

• Keep in mind that this machine weighs 50 lbs. Always use proper lifting

techniques when moving it and verify its stability before use.

• Keep away from children at all times.

TensionerTensioner

Jump FootJump Foot

AdjustmentAdjustment

TopTop

ThreadThread

EyeletEyelet

ThreadThread

StandStand

ThreadThread

GuideGuide

FootFoot

LiftLift

LeverLever NeedleNeedle

FootFoot

ShuttleShuttle

TensionTension

BarBar

Take-UpTake-Up

ArmArm

NeedleNeedle

BarBar

StitchStitch

Length DialLength Dial

Limited Lifetime Guarantee

Every Master Tool is built to last using the ﬁnest materials and skilled American workmanship. We are proud to stand behind our products with an

unmatched Limited Lifetime Guarantee. This quality standard warrants each product for its lifetime against defects in materials and workmanship

under correct use, normal operating conditions and proper application. This guarantee does not extend to any component parts not manufactured

by Weaver Leather, or if the machine is modiﬁed in any way. Weaver Leather makes no express warranties other than those that are speciﬁcally

described herein. This warranty is expressly in lieu of all other warranties express or implied. There are no implied warranties of any kind including

merchantability or ﬁtness for a particular purpose. Weaver Leather will in no event be liable for any incidental or consequential damages whatsoever,

nor for any sum in excess of the price received for the goods.

ThreadThread

CutterCutter

Foot PressureFoot Pressure

AdjustmentAdjustment

KnobKnob

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THREADING

BBCC

Figure 6 Figure 7 Figure 8

1) Run thread from Spool (A) on Thread Stand (B) to the Thread Eyelet (C). (Figure 6)

2) Run thread through Tensioner Eyelet 1 (D), around the Tensioner and through Tensioner

Eyelet 2 (E). Make sure thread is pulled tightly in between the Tensioner Discs (F).

(Figure 7)

3) Run thread down the front of the machine to the Thread Guide (G), threading it from right

to left. (Figure 8)

Threading continued on page 8.

FILLING BOBBINS

Figure 13 Figure 14 Figure 15

A Bobbin Winder is included that may be attached to an electric drill to assist you in winding

bobbins if desired. We accept no liability for any injury or damage incurred through the

use of this method.

TO USE THE BOBBIN WINDER

1. Bring the thread from the spool through the hole in the end of the Bobbin. (Figure 13)

2. Bring the thread through the split end of the Bobbin Winder, then place the Bobbin on the

Bobbin Winder. (Figure 14)

3. With a light tension on the thread, turn the drill over slowly and allow the Bobbin to wind

evenly. (Figure 15)

4) Run thread back up the front of the machine and through the Take-Up Arm (H).

Make sure thread is run in front of the Tension Bar (I) at this point. (Figure 9)

5) Run thread back down and behind the Tension Bar (I). (Figure 10)

6) Run thread through the bottom of the Needle Bar (J) and through the Needle

Eye towards the machine (K). (Figures 11 & 12)

THREADING CONT.

Figure 9 Figure 11Figure 10 Figure 12

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REMOVING BOBBIN

1) Turn machine over until Bobbin Case sets in position shown. (Figure 16)

2) Pull back tab (A) to release Bobbin Case.

3) Lift base of Bobbin Case out to remove Bobbin. (Figure 17)

Important Note: When closing Bobbin Case, make sure the Case snaps back

into place with the tab holding it.

INSERTING BOBBIN

1) Place a full Bobbin into empty Bobbin Case, and slip the thread from the Bobbin

into the slot (B) at the base of the Case. (Figures 18 & 19)

2) Continue pulling thread under the tension spring until it rests in the fork (C) of the spring.

(Figure 20)

Important Note: The Bobbin should always be inserted so thread unwinds counterclockwise

to ensure consistent tension. (Figure 21)

REMOVING & INSERTING BOBBIN

Figure 19

Figure 20

Figure 21

Figure 16 Figure 17 Figure 18

STITCHING

Please Note: This machine does not have reverse. You may choose to turn your work and

take a “forward stitch” for a “backstitch,” or tie the thread off manually. (Figure 22)

1) Begin by lifting the Presser Foot by raising the Foot Lift Lever located directly behind it.

(Figure 23)

2) Hold the upper thread and bobbin thread under the Presser Foot and to the rear. Insert

your work under the foot, positioning it so the needle is directly above the desired point

of entry for your ﬁrst stitch. (Figure 24)

3) While still holding the thread to the rear, lower the foot and turn the crank to complete

your ﬁrst couple stitches. After the stitches are made, you can release the thread.

(Figure 25)

Figure 22

Figure 24

Figure 23

Figure 25

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