SINGER 401 - Manual (Page 48)

SINGER* LIGHT
H
F
The light is turned „on" or „off" by the switch F.
To Remove Bulb. Remove screw H and lamp
cover E. Do not attempt to unscrew bulb. Press it
into socket and at same time turn bulb over in
direction shown to unlock bulb pin G, then with­
draw bulb.
To Replace Bulb. Press new bulb into socket
with bulb pin G entering slot of socket and turn
it over in direction shown to lock bulb pin G in
position. Replace lamp cover E and securely fasten
it in position with screw H.
LOCKS
UNLOCKS
91
TREADLE INFORMATION
To Replace Belt
Remove arm top cover as instructed on page 87.
Remove belt guard by removing screw at top
of guard.
I
Insert end of belt into cutout A so that it enters
groove in hand wheel.
Lead belt around hand wheel and down through
hole provided in machine casting, as shown.
Insert opposite end of belt into cutout B in bed
of machine.
92
Lead belt through guide C, around band wheel
and into eye of belt shifter D.
Join both ends of belt. (Tension on belt should
be only heavy enough to keep belt from slipping.)
Replace arm top cover and belt guard.
Operate treadle as instructed on pages 8 and 9.