Corporation Sewing Machine Instruction Manual

oil mark

oil screen

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3.2.2 Examination

Though every machine is confirmed by strict inspec-

tion and test before delivery, the machine parts may be

loosed or deformed after long. distance transportation

with jolt. A thorough examination must be performed

after cleaning the machine . Turn the balance wheel to

see if there is running obstruction, parts collision,

uneven resistance or abnormal nosie. If these exist,

adjustment must be made accordingly before run.

3.2.3 Precaution before Start

a. Oiling (Fig.9)

Oil amount should be filled according to the marks

in the oil reservoir. Mark (H) refers to the highest

of oil amount; (L) refers to the lowest, be careful that

the oil amount should not be lower than Mark (L),

otherwise the machine parts can not be fed with oil

and cause overheat and collision.

Be sure to use machine oil HA-8 or HJ-7

b. When the machine starts for the initial time or

reuse after a long period of time, the proper oil

amount should be filled in sections of machine shown

by arrows in Fig10,11.When it is in operation, observe

the oil sparking in oil screen to check the oil

condition.

Note: when the machine needs drop oiling , do not

start before drop oiling.

c. When a new machine starts running, for extending

its life, please run at a medium and low speed (1000

spm) for about a month and then raise the speed

gradually.

d. Please turn off the power when it is not in use

or the operator leaves away from it .

e. Replace the oil every month. When replacing,

fully drain off the old oil in the reservoir and add

the new one.

f. The needle gauge options are: 6.4, 3.2, 4, 4.8, 8,

9.5, 12.7, 16, 19, 25.4 For getting it , the throat plate,

presser foot or alternating foot , needle holder, feed

dog, left and right sliding plates, thread guide should

be changed. It is provided with 6.4mm when it leaves

off the factory, For the other size, the relevant parts

can be ordered from the factory.