Harbor Freight Tools 3914 operating instructions Threading the Top Thread, Detail

Models: 3914

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Threading the Top Thread

Set the spool of thread (sold separately) onto the top thread Spool Pin (40i), (the left Spool Pin), and thread it through the eyelet directly above on the Thread Hanger (28i). Guide the thread through the machine, following the steps and photos below.

Note: There are two Spool Pins (40i). The left Pin is commonly used to hold the spool of thread for the top thread (the thread that passes through the top section of the machine), while the right Pin is used to hold the spool of thread that is used for winding the bobbin.

Thread Hanger (28i)

Spool

Pins (40i)

Figure 24

Thread Tension Discs (27a)

Thread Take-up Cover (17a)

1

Thread Take-up

 

 

 

Eyelet (1b)

 

 

Faceplate

 

 

Thread

2

3-Hole Thread

Guide (34a)

4

 

Eyelet (31a)

 

 

 

3

3 (detail)

 

 

 

 

Thread Guide

5

 

(35a)

 

 

Thread Release

 

Thread Tension

Finger ( 31d)

 

Discs (7a)

Take-up Spring

(9a)

1.

Pass the thread between the two Thread

 

Tension Discs (27a) on the top of the

 

machine.

2.

Pass the thread up through the right

 

eyelet then down through the left eyelet

 

on the 3-Hole Thread Eyelet (31a).

3.

Pass the thread between the two Thread

 

Tension Discs (7a) pulling to the right

 

until the thread catches in the Take-up

 

Spring (9a). Then pass under the Thread

 

Release Finger (31d) and behind the

 

Thread Guide (35a).

4.

Pass behind the Thread Take-up Cover

 

(17a), through the Thread Take-up Eyelet

 

(1b) from right to left, and down through

Wire Needle

Bar Thread

Guide (26c)

Needle Bar

5 (detail)

the Faceplate Thread Guide (34a).

5. Pass the thread into the Wire Needle Bar

Thread Guide (26c), through the hole

in the Needle Bar Thread Guide (24c),

Thread Guide

(24c)

Needle (23c)

wire guide

Presser

Foot (9d)

Figure 25

REV 10b

through the Needle (23c) from left to

right, under the wire guide and between

the opening in the Presser Foot (9d).

6. To pull the bobbin thread up to the top

of the machine, hold the top thread

behind the Presser foot and turn the

Hand Wheel (7b) counterclockwsie until

the Needle catches the bobbin thread,

SKU 3914

For technical questions, please call 1-800-444-3353.

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Harbor Freight Tools 3914 operating instructions Threading the Top Thread, Detail

3914 specifications

Harbor Freight Tools 3914 is a robust and versatile portable generator designed to meet the power needs of both professionals and DIY enthusiasts. Featuring a compact design with a durable frame, this generator is built to withstand tough job site conditions while providing reliable power wherever it is needed.

One of the standout features of the 3914 model is its powerful 212cc engine, which delivers a peak output of 3500 watts and a running output of 3000 watts. This allows users to power multiple devices simultaneously, making it suitable for everything from household appliances during power outages to tools on construction sites. The generator's 4-gallon fuel tank provides an impressive run time of around 11 hours at a 50% load, ensuring that users can rely on it for extended periods without frequent refueling.

In terms of technology, the Harbor Freight Tools 3914 incorporates a user-friendly control panel that includes two 120V AC outlets, a 12V DC outlet, and a circuit breaker for added safety. The 120V outlets are perfect for connecting various tools and devices, while the DC outlet can be used to charge batteries and other electronic devices. The generator also features an easy-to-read fuel gauge, which helps users monitor fuel levels and plan refueling accordingly.

Furthermore, the generator is equipped with a recoil start system, allowing for quick and straightforward operation. Additionally, its lightweight construction, combined with two carrying handles, ensures that it can be transported with ease, making it ideal for camping trips, outdoor events, or emergency use at home.

Safety is also a priority with the 3914 model. It comes with built-in low oil shutdown technology, which automatically turns off the engine when oil levels are low, preventing potential damage and prolonging the life of the generator. The generator's quiet operation is another significant advantage, ensuring that it can be used without causing excessive noise disturbances.

Overall, the Harbor Freight Tools 3914 portable generator stands out for its powerful performance, user-friendly features, and reliable safety mechanisms. Its combination of efficiency and portability makes it a valuable asset for anyone in need of reliable power on the go.