Singer 270 - Singer Service Manual Starting Lever Arm Stop; Singer Service Manual Engaging Arm Adjustment

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SCREW
LEVER
Fi g. 14. Adjusting the Arm Stop
1/32 INCH
"V" BELT
1/32 INCH
:!
..
..
-:r----
"
"
..
"
fig. 15. Setting the Engaging Arm
SCREW
1.0
STARTING LEVER ARM STOP
CHECK:
Start ing lever ar m stop, F ig. 14
1
should li mit
downw ard mo veme nt of start ing leve r so t hat bel l
crank has 1/ 32 inch clearanc e post
11
ru n" notch
when st arti ng le ver is depressed.
SETT ING:
Remove ''V" be lt and turn s top screw to limit
downward 1novement of starting le\'er arm as required.
Rcplact "V" belt and check adjustment.
ENGAGING ARM
CHECK:
Engaging arm should be adjusted so the "Y"
belt drops approximately 1/ 32 inch when machine
moves from "run" positio n to u stop" posit ion ( See
Fig. 15) .
SETTING:
Loosen pinch screw, Fig. 15, an d pos ition en-
gaging otm closer to or farther from start in g cop as
shown.
Tigh te n pi nc h sc rew secu re ly and check a djust -
m ont.
NOTE: Ch eck TENSION an "V" BELT. E xcessive
ti ghtness will not improve perfo rman ce of m ach ine
but MAY CA USE DAMAGE or excessive weor to
m ach ine p or t s.
T ens ion on "V " belt moy be va ri ed by rei sing or
lowering mo to r, but adjustmen t sh ou ld be modo in
connec ti on with engagi ng arm adj ust m en t desc ri bed
above.