3
1.4 Safety Precaution of Maintenance and Repair:
Before performing the following actions, please turn off the power:
(1). When disassembling motor or control box, or when inserting any connecting plugs onto or
removing any connecting plugs from the control box.
(2). Control box has high voltage inside, so after turning off the power, wait 5 minutes or longer
before
opening the control box cover.
(3). When raising the head section of machine or when changing machine needle or winding thread.
(as shown above)
(4). When repairing or making any mechanical adjustments.
(5). When machine is not in use.
1.5 Regulation of Maintenance and Repair:
(1). Repair and maintenance should be performed by the properly trained technical personnel.
(2). Please do not place any miscellaneous items near the vent of motor thereby blocking the
ventilation, particularly the rear cover of motor should not have dust, paper scraps, cloth scraps,
etc to avoid the motor from heating up.
(3). Please do not hit this product body or motor shaft with any unsuitable objects such as wooden
hammer,
iron hammer, etc.
(4). All spare parts used for repair should be provided or approved by our company.
1.6 Danger/ caution signs:
This marking symbol indicates that during the installation of device, if error occurs,
there can be risks leading to injury to human body or damage to the machine.
Therefore, any place of machine with such probability of dangers will have this
marking.
This marking symbol indicates that there will be high electrical voltages, places
with electrical probability of dangers.
1.7 Warranty Period:
Under normal working condition and operation without human errors, the guarantee of this device
entitles repair without any compensation within 18 months from the factory shipping date.
High voltage inside
Needle
Head section
Needle
