Singer 81K70 - Page 4

1
To Set Up the Machine
Line up the machinP on the table so that the lwlt groove of
the balance wheel is in line with the belt groove of the driving
pulley.
To Install Base 132704: By
means of at Pmplale or other method,
spot and drill live holPs in 1 he table
before the base is fastenPd to the tabh•.
The diameters of these holes arc ~ il"
for the three machinl: base bolts, ~4"
for the machine base thumb screw,
and 1 X" for the oil drain pipe.
Fa.c;tcn the base to the table by
means of the three bolts. Then screw
the drain pipe, from the underside of
the tablP, into the drain hole in the
machine base.
Fw. 2
Be sure the felt cusmons arc in place, including Llw center
cushion, llwn set the machine on the base. Place the spring and
washer over the machine base thumb screw, put this screw through
the center hole in the base from the underside of the lablP, and
spcurcly lighten the screw.
To Install Lowered Base 132705: For the cut-out in the
I abk, lay the base right side up on the table and out.line the ·base
with pencil. Cut the hole ~ P," larger than the pencil outline so
that the base will not touch the plank.
.. ",ttl'ftLU .. ~~~ .
______ ._.,:;_:_·~-~ --
Remove the three screw pins
from the base and with a center
punch, through lhe serew pin
helPs, make a spot ntark for the
center of the hil. A bit ~ s" di-
ameter should br used and the
three holes should be of such a
depth that the three rubber cush-
ions will extend ~ i/' above the
top of the table. Replace the
screw pins, and wiH'n placing lhe
FIG. 3 base in position, have each pin
l'lller llw hole in the center or 1 he rubbPr cushions as shown. Then
press tlw b:1sr down ~mtil it n'sts on the cushions. Tlw oil drain
jar should IH~ located oul of the operator's way.
Fasten llw machine to the base as instructed aLuve.
Oiling
Before Starting the Machine: Apply Singer ''OIL FOR
HIGH SPEED SEWING MACHINES (Cloth and Leatlwr)"
/
I
I
l'IG.1. Fnor-a Vmw, SnoWING <liLIN(: I'OINrs
for general use or "STAINLESS OIL FOI{, IIICH Sl'l·~l<ll
SI~\\'INC .f\1ACIIINES" wlwre a stainless oil is desired, to llw
oil holl' (X, Fig. 4) and oil eup (1<', Fig. '1) until the rest•noirs
are full. Fill the oil cup (C) at t hP top of the machine and thor-
oughly saturate the wick through the hole on in the <;as I ing near
the Lop of the needle bar. Then oil thP 1wedle ha: lmk connl;c-
lion (.)) at the front of the machine. Also apply otl to tlw kmfe
lever and presser lever bearings (.f\1, Fig. G) al thL' hack of the
machine.
Thereafter, rPph•nish the oil supply in llw reservoirs about
once each day, or often enough lo keep them filled. Twice a day
apply oil lo the remainder of the oiling points.
The surplus oil drips into the cast iron base ~nd ~his oil.shou!d
be occasionally drained by turning the tap wluch 1s prov1ded Ill
the base for this purpose.
Caution: A machine new from t.he factory, or one !.hat has
not been used for some Lime, should not be operated UJ?til ab~mt
three hours after filling the rPservoirs. F'ailure to heed th1s cau~wn
may result in serious damage Lo the nwchanism of the maehme.
From the library of: Superior Sewing Machine & Supply LLC