JUKI PS-800SB-2850 Series User manual

PS-800SB-2850 Suction device
INSTRUCTION MANUAL

i
CONTENTS
1. List of parts comprising the suction device........................................................................ 1
2. Installing the suction device................................................................................................. 3
2-1. Installing the blower .....................................................................................................................3
2-2. Installing the lter box .................................................................................................................5
2-3. Installing the solenoid valve........................................................................................................7
2-4. Installing the power switch..........................................................................................................9
2-5. Installing the pedal .....................................................................................................................11
3. Checking the function of the suction device .................................................................... 12
4. Troubleshooting................................................................................................................... 13

– 1 –
1. List of parts comprising the suction device
Check the parts.
❶❶
❷❷
❸❸
❹❹
❺❺
❻❻❼❼
❽❽
❾❾󱢳󱢳󱢴󱢴
󱢵󱢵
󱢶󱢶
󱢷󱢷󱢸󱢸
󱢹󱢹
󱢺󱢺

– 2 –
No. Part name Quantity Description
Parts of the fan
❶Aluminum frame 2
❷Screw asm. 4 Provided with a slider nut M6-80
❸Blower 1 Provided with the power switch
❹Screw asm. 4 Provided with a slider nut M6-16
❺Silencer 1
❻R type joint 1
❼Lid 4
Parts of the lter box
❽Filter box 1
❾Screw 19 Two pieces provided for the lter box M4-10
󱢳Sealant 1
󱢴ø60×ø68 pipe 2 Long: 1.1 M; Short: 0.9 M
󱢵Pipe band 4
󱢶Suction cover 1
󱢷Flat head screw 12
Parts of the solenoid valve
󱢸Solenoid valve 1 Provided with a xing screw
󱢹Air tube 2Numbered: 15, 16
Parts of the pedal switch 󱢺Pedal 1 Provided with a terminal
40275338 Suction device asm.

– 3 –
2. Installing the suction device
Turn OFF the power supply and air supply for the sewing machine.
2-1. Installing the blower
1) Loosen nuts of screws ❷and ❹(provided with
a washer). Insert them into the corresponding
holes in aluminum frames ❶.
❶❶
❹❹
2) Align the aluminum frames ❶with the corre-
sponding holes in the table stand. Then, secure
the aluminum frames with screws ❷. (Tighten
the outer nuts.)
3) Attach lids ❼to the aluminum frames.
Turn the protruding part of the lids
upward.
❼❼
Nut
Nuts (eight pieces)
❷❷

– 4 –
4) Place blower ❸on aluminum frames ❶. Insert
screws ❹into the corresponding holes in the
metal plate and nuts of the blower.
5) Adjust the longitudinal position of blower ❸so
that the distance between blower ❸and the
front ends of aluminum frames ❶ is 115 mm as
observed from this side of the sewing machine.
Then, tighten screws ❹.
6) Connect silencer ❺ to blower ❸and attach R
type joint ❻.
Outlet of the R type joint should point
downward.
115mm
❸❸
❹❹
❺❺❻❻
Downward

– 5 –
2-2. Installing the lter box
1) Loosen screws ❾(two pieces) and detach the
cover of lter box ❽.
2) Install the lter box to the table stand with screws
❾(four pieces).
❾❾
❽❽
❾❾
󱢳󱢳
❾❾󱢳󱢳
3) Apply sealant 󱢳 to the entire surfaces of lter
box ❽. Secure the cover with screws ❾ (15
pieces).
Degrease the surfaces of the lter box
before applying the sealant. Be sure
to seal the sealant tube after you have
applied the sealant to the lter box.

– 6 –
4) Put one end of pipe 󱢴(1.1 m) over the cylindri-
cal part of suction cover 󱢶and the other end
over the upper cylindrical part of lter box ❽until
they will go further and secure both ends of the
pipe with pipe bands 󱢵.
Nut
Front cover of the table
stand
Setscrew
Mesh plate
󱢵󱢵
󱢴󱢴(1.1m)(1.1m)
󱢶󱢶
󱢴󱢴
Upper cylindrical part
󱢴󱢴
❸❸
󱢵󱢵
5) Put one end of pipe 󱢴(0.9 m) over the cylin-
drical part of blower ❸and the other end over
lower cylindrical part of lter box ❽until they will
go no further and secure both ends of the pipe
with pipe bands 󱢵.
6) Remove the table stand cover. Loose the set-
screws of the mesh plate.
There are nuts on the reverse side of
the table. Take care not to allow the
nuts to come o󰀨 when you loosen the
screws.
󱢷󱢷
󱢶󱢶
7) Replace the setscrews of the mesh plate with
screws 󱢷. Secure suction cover 󱢶with screws
󱢷and the nuts.
󱢴󱢴(0.9m)(0.9m)
Lower cylindrical part
󱢵󱢵
󱢵󱢵

– 7 –
2-3. Installing the solenoid valve
3) Fit the rubber sheet in place and secure solenoid
valve 󱢸.
1) Remove the rear cover of the table stand.
2) Detach the metal plate (second from the left) from the manifold.
There is a rubber sheet between the metal plate and the manifold.
Setscrew
4) Pull out the connectors from the electrical control
box. Insert the cables of solenoid valve 󱢸into
the connectors .
Insert the red cable into the connector No. 1.
Insert the black cable into the connector No. 3 .
Put the cables in the duct for wiring. Connect
the connectors to the corresponding ports of the
electrical control box.
1 2
3 4
1
4
󱢸󱢸
Rear cover of the table stand
metal plate

– 8 –
5) Insert air tubes 󱢹into solenoid valve 󱢸.
Insert air tube No. 15 into the upper port and air
tube No. 16 into the lower port of the solenoid
valve.
󱢹󱢹
No.15
No.16
❽❽
6) Route air tubes 󱢹 as shown in the gure.
7) Connect air tubes 󱢹 to the cylinders of lter box
❽.
No.15
No.16
❽❽

– 9 –
2-4. Installing the power switch
1) Route the power switch and cable of blower ❸
from under the table stand.
❸❸
Cable
Nut
Setscrew
2) Loosen the screws and the nuts attached to the
power switch. Put the nuts in the corresponding
holes in the aluminum frames and secure the
power switch to the aluminum frames of the table
stand with the screws and nuts.
Setscrew
Setscrew
Lid
Open
3) Loosen the setscrews of the cover of the power
switch of the sewing machine and the lid of the
cable gland. Open the switch cover to pull out
the switch.
Make a hole in the bottom of the power switch
box.
Cable gland
4) Put the cable gland located at the cable of the
blower power supply into the hole in the power
supply box.

– 10 –
5) Put the cable gland lid on the cable. Pass the
cable through the cable gland.
Insert the lid slightly into the gland.
Slightly insert
Switch terminal block
No.2 No.4
6) Insert the power cables into the switch terminal
block and secure them with the screws.
Inset the blue cable into terminal No. 2. Insert
the brown cable into terminal No. 4.
7) Pull out the left and lower remaining cables from
the power supply box. Put the switch in the pow-
er supply box and tighten the setscrews.
8) Place the excess cables inside the table stand
and secure the table stand front cover.
Setscrew
Setscrew
Lid
Lid
Front cover of the table stand
Lid

– 11 –
1) Pull out the connectors from the electrical control box. Insert cables of the pedal 󱢺into the connectors.
Insert the white cable into the connector No. 1. Insert the red cable into the connector No. 2.
2) Route the pedal cables as shown in the gure.
2-5. Installing the pedal
1 2 3
4 5 6
1
6
󱢺󱢺
3) Secure the table stand rear cover.
Rear cover of the table stand

– 12 –
3) Press the OFF button to stop the blower.
3. Checking the function of the suction device
1) The blower operates when the power supply for
the blower is turned ON.
2) Place a sheet of paper (or cloth) on the mesh plate. Depress the pedal switch to suck up the paper (or
the cloth). Then, depress the pedal switch again to disable the suction power. In this way, conrm that the
suction capability of the suction device works properly.
Pedal switch
ON
OFF

– 13 –
4. Troubleshooting
1) When the suction device is in operation, it fails to provide the suction power even if you depress the ped-
al.
① Check to make sure that the pedal switch cables, solenoid valve cables and air tubes are properly
connected.
2) The suction device is able to suck up, but the suction power is inadequate.
① Check for air leakage from the pipe connecting portion of the blower, suction cover and lter box. If air
leaks, secure the pipe clamp rmly.

– 14 –
② Check for air leakage from the lter box cover.
If air leaks, re-apply sealant to the air leakage
area.