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Harbor Freight Tools 3914 User Manual

Page 8

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Page 8

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

SKU 3914

Knee Press

Lifter Rod (2g)

Oil Pan Magnet

(22g)

Oil Sight

Window (1f)

Figure 5

Hand Wheel

(7b)

7. Tilt the machine back to expose the Oil

Pan (1g). Insert the Knee Press Lifter

Rod (2g). Place the Oil Pan Magnet

(22g) in the lowest portion of the Oil Pan.
Fill the Oil Pan with the Oil (20h) to the

8.

“High” mark “A”. Add more oil when

the level is to the “Low” mark “B”. After

lubrication, and during operation, oil

splashing can be seen through the Oil

Sight Window (1f).
Tilt the machine head back to the table

9.

top.

Mounting the Motor
note:
The Motor is heavy. You will need a

helper to hold the motor in place while

tightening the Nuts (67j) on the Carriage

Bolts (70j) in step 5 on the following

page.

Motor Rotation Switch

always keep to right

Receptacle for

6 volt work light

(not included)

110/220 V Switch

always keep to left (110V)

(Unless power plug is rewired for

220v by a qualified electrician.)

Figure 6

1. The motor can be set for 110V or 220v.

Make certain that the voltage switch

on the motor is set correctly for your

use. this machine is set up for 110V

usage. Set the 110/220V Switch to

110V (Switch to the left) unless you

have your outlet changed to 220V by

a qualified electrician. rewiring of

the plug and an approriate outlet is

required for 220V usage.
The rotation of the motor can also be

2.

set to clockwise or counterclockwise

rotation. This setting should always be

set to the right, which makes the sewing

machine pulley rotate counterclockwise.

Do not use this setting to reverse the

direction of the machine. Use the

Reverse Control Lever (22e) to reverse

the stitch feed direction when sewing.

reV 03d, 03e, 07g, 10b