Singer 29K71 - Parts List and Accessories; Instructions for Ordering Parts

v
TO EXAMINE, REMOVE AND RE-ASSEMBLE THE
PARTS FROM THE RACK BOX
Remove machine from treadle stand or power bench
after taking out the four screws located at the bose of
the machine. The machine should then be tilted bock
upon its machine pulley end, the underside facing the
adjuster. Ports con be examined or removed from the
rock box after taking out the two screws V, Fig. 34
and removing the cover plate. The following ports ore
then exposed as shown in Fig. 35: long rock Y, short
rock X, intermediate pinion Z, shuttle driving pinion
W, needle plate locating pin and spring A2, all of
which can be removed without disconnecting the rack
box from the machine .
To toke out the shuttle carrier, remove the small set
screw in the shuttle driving pinion W by inserting a
small screwdriver through the groove at the side of
the rock box as shown in Fig. 35. The shuttle carrier
con then be pressed through the pinion. To remove the
long rock Y, insert a screwdriver through hole as
shown in Fig. 36 and toke out the screw X2. Before
proceeding to withdraw the rock, remove the pinion
Z, Fig. 35 then grip the rock and draw it straight
toward the pulley end of the machine. The short rock
X
and shuttle driving pinion W can be removed with-
out difficulty. When replacing any one or re-assembling
the whole of these ports, care must be token to see
that the gears and racks are correctly engaged, as
shown in Fig. 36.
fis 34 Rcm ovtn g
C
ov er Plato
A2~
fi9 35 Re movtng Pa th
from Rock Box
15
INSTRUCTIONS FOR REMOVAL OF THE
RACK BOX
If for any reason it is necessary to remove the rock
box from the machine, proceed as follows: Remove the
machine from its treadle stand or power bench. Turn
the hand wheel until the connecting rod hinge screw
X2, Fig. 36 is opposite the hole in the lower arm. Then
tilt the machine back upon its machine pulley end, the
underside facing the adjuster. Insert a screwdriver
through the hole as shown in Fig. 36, and remove the
screw X2. Slightly loosen the two screws 82 by giving
them a half turn with a screwdriver. Then drive out
the toper pin C2, using o 3/ 16" punch and hammer,
and take out the two screws 82 . The machine should
now be replaced on its. feet and the horn will then
come away if pulled in a horizontal direction.
CAUTION: Never raise the front of the horn or the
end of the long rack may be damaged.
When re - assembling the box to the machine, be
sure that the taper pin C2 is driven in as for as it will
go before finally tightening the two screws 82, Fig. 36.
NOTE: Cover plate is shown removed in Fig. 36 to
illustrate how the gears and rocks should be correctly
engaged.
Ge a" an d R ocks
Co rrrc tly E n9a gcd
B2
f i g. Jb . R m o vtng Rock Box
C+-C2
From the library of: Superior Sewing Machine & Supply LLC