Singer 281-5 - Setting the Timing-Indicator Pin

SETTING THE TIMING-INDICATOR PIN
(MACHINES 281-22 AND 281-24)
Set needle bar at correct height, as instructed on
page 16.
When needle bar is at its lowest point {during ro
tation of machine pulley) the point of timing indicator
pin should be level with UPPER TIMING MARK on
needle bar, as shown in Fig. 42.
To
adjust indicator pin, loosen set screw, shown
in Fig. 42, in needle bar frame and raise or lower
pin, as required. Securely tighten set screw.
SETTING THE NEEDLE 8AR HEIGHT
(Using Upper Timing Mark)
When lower needle bar bushing (or timing-indicator
pin on Machines 281-22 and 281-24) is correctly set
as previously instructed, the timing marks on the
needle bar may be used for setting and timing the
machine. If needle bar height is subsequently dis
turbed, needle bar may be quickly restored to its cor
rect height as follows - - -
MACHINES 281-22 AND 281-24: Turn machine pulley
slowly until
needle bar is at its lowest point. Loosen
needle bar clomping screw shown in Fig. 42, and
raise or lower needle bar, as required, to bring UPPER
TIMING MARK level with pointer on timing-indicator
pin, as shown in Fig. 42. Securely tighten clamping
ALL OTHER
MACHINES: Turn machine pulley slowly
until needle bar is at its lowest point. Loosen needle
bar clamping screw, shown in Fig. 43, and raise or
lower needle bar,
as required, to bring UPPER TIMING
MARK level with bottom of lower needle bar bushing,
as shown in Fig. 43. Securely tighten clamping screw.
NEEDLE BAR
FRAME--.' ^
NEEDLE BAR
CLAMPING
SCREW
SET SCREW
INDICATOR PIN
AT
LOWEST
POINT
Fig. 42. Setting Needle at Correct Height on
Machines 281-22 and 281-24
CLAMPING
SCREW ^
UPPER
TIMING'
MARK
® 1®
AT
LOWEST
POINT
LOWER
NEEDLE
BAR
BUSHING
Fig. 43. Setting Needle Bar at Correct Height
on all Machines, except 281-22 and 281-24
From the library of: Superior Sewing Machine & Supply LLC