Instructions For Installing Blower Unit 167257; Installing Blower Unit; Installing Hose Belt Guard - Singer 270 Service Manual

INSTRUCTIONS FOR INST ALLING BLOWER UNI T 167257
Fig. 56. Installing Blower Unit
Fig. 57 . Insta ll ing
Has~;;
Belt Guard
29
NOTE: Before in sta ll ing blower uni t, ossemble be lt
tightener to bottom of table using hinge pi n 167243
and two collars 54369 in Posir ions 1 and 2, as shown
in
Fig. 56.
ln s.\oll blower connec ti on hose belt guard
as shown in Fig . 57.
El~ctri c
Transmitter and C loss
270·
Machi ne
should then be installed in usual manner.
Install Blower 167257 beneath the table in the
follow ing sequence · - -
l.
Remove machine driving pulley from tronsrtdtfer
shaft.
'/,.
~l ip
blower driviog pulley
167022
on hvb of
of machine driving pul ley and secure ly ti9hten
pulley set screw
140427 .
3. Return machine driving pulley to its former
position on honsmitter shaft, replacing lock
washer and locking nut in usual manner.
4. Blower brQcket
167236
is furnished wit h grom-
met
167037.
Grommet is pressed filled in
brocket support ho le and expands immediate ly
outside both ends of hole. Install b lower
brocket on hinge pin with two collor s 54369
in Positions 3 o1d
4 as show1~
in F ig. 56.
5. L ccote two collar s 54369 firm ly agai nst grom-
met
167037
having outside collar flush with
end of hinge pin . Securely tighten two set
screws
465
in each of these two col lar s.
6. Locate small pu lley
167032
on blower shaft
167252.
Securely t ighten pu lley set screw
140862.
7. Place blower driving bel t
167019
on blower
driv ing pu lley
167022.
8. Install machine dri ving belt on machine driving
pu lley ood machine pu lley.
9. Loosen two set screws 465 in eoch of two
collors 54369
ol
Posit ions
1
ond 2 os shown
in Fig. 56.