| <<
Back to Main Technical Manual
Page
Technical Manual: Decorative/Overedge
& Hosiery
M and MG Class Machine Set-Up &
Operations
OUT OF THE BOX
1) Upon removing the machine from its box
observe its threading carefully and compare it with the threading diagram
supplied with the machine.
Keep this threading diagram for future reference. The
matter of threading is very important and if difficulty arises, the threading
of the machine should be compared with the individual diagram supplied.
Threading is simple, but it must be accurate.
2) Secure the machine
mounting assembly to the table with the three screws provided. This assembly
should be:
|
A.
|
Parallel with the center line of the
motor. |
|
B.
|
When the machine is set on the assembly, the
front of the machine will be three or four inches back from the front of the
table with its hand wheel to the right of the operator. |
|
C.
|
The hand wheel belt groove should line up
with the motor pulley groove, when the motor pulley is in the running
position. |
3) Check the Hand Wheel
(belt) Guard to be sure it does not hit the belt. Adjust if necessary; by
removing screw, repositioning, and replacing screw.
4) Assemble thread stand and
screw its base to the table at the rear of the machine.
5) The thread guides at the
top of the thread stand should be directly over the center of the cones of
thread.
6) The thread or yarn should
be wound on cones, which should stand vertically. The thread from these cones
should lead up to the Safety Cross Rod (8-52-J) through the thread eyes and
diagonally downward to the machine. Note: The Safety Cross Rod should be
installed with the thread eyes below the rod. Care should be taken to be sure
the threads are far enough apart so that they will not whip together when the
machine is running at speed.
7) Be sure the thread will
come off the cones readily, with uniform tension and that it cannot catch under
the cone or elsewhere along its path.
8) Since the oil has been
drained from the machine before shipping, the main reservoir must be filled
before the machine is used. (Note section 15)
SPEED
9) The Merrow Class MG and
Class M machines are designed to run at maximum speed of 5500 stitches per
minute. Some work is efficiently handled at 5500 stitches per minute but it has
been found that maximum efficiency for some operations is attained at a speed
of about 5000 stitches per minute.
MOTOR
10) To obtain full
efficiency the motor must be kept in good operating condition in order to start
and stop the machine with minimum delay. Every attempt should be made to avoid
driving the hand wheel from an oversize pulley, especially when the centers of
both pulleys are relatively close together. Failure to avoid this situation can
result in belt slippage and less control of starting and stopping the machine.
11) A V-Belt Hand Wheel with
an effective pitch diameter of 2 1/8" is supplied with each machine. A
standard 3/8" endless V-Belt is recommended to connect the Hand Wheel to
the motor pulley.
12) The top of the hand
wheel must turn away from the operator. The machine sews with clockwise
rotation only (when viewed from the Hand Wheel).
13) Consult you nearest
Merrow Distributor to assure proper motor set up.
<< Back to Top
<< Back to
Decorative/Overedge Machine page
<< Back to Hosiery Machine page
© 2003 Merrow Sales (U.K.) LTD. All Rights
Reserved.
|
