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IWQ Series Service Manual
Hexagon socket head bolt A
•
IW –30 M8x30 2 bolts
•
IW –150 M10x30 4 bolts
Platter
support
Four corner limit bolt
M5x30 4 bolts
Hexagon nut M5
Spacer
•
IW-150 only
Spacer
•
IW-150 only
Load cell
•
IW -30 LC’ AT-50’
•
IW -150 LC’ AT-200’
Lower limit bolts
M5x8
Flat washers
•
IW -30 5mm 1 piece
•
IW -150 5mm 2 piece
Four corner
limit face
behind
Base
Bottom case
Four corner limit face front
(4)
(9)
(9)
(9)
(9)
(5)
Hexagon socket head bolt B
•
IW –30 M8x65 2 bolts
•
IW –150 M10x65 4 bolts
(8)
Differences between 30 and 150 in the IW series
•
Different part dimensions
•
Parts configuration is same except spacer of 150.
•
Number of fixing screw holes and its dimension of AT-50 differs
from those of AT-200 regarding load cell
•
Number of flat washers for lower limit bolts.
(1) Pull out the power plug from the power outlet.
(2) Remove the weighing platter. (Figure is omitted)
(3) Remove the shock absorbing sheet stuck on the weighing platter. (Figure is omitted)
(4) Remove the hexagon socket head bolts A, and remove the weighing platter and spacer (IWQ-150
only).
(5) Remove the hexagon socket head bolts B, then, remove the spacer (IWQ-150 only) and the load cell.
(6) Disconnect the load cell cable from the screw terminal of the A/D board, and loosen the waterproof
lock to pull out from the scale section side.
(7) When mounting the load cell, go through (4) to (6) in reverse order. Use the removed cord and
bushing for reassembling the bottom case and support column section.
Caution
The cell cable may rupture when forcefully pulled. Surface flaws may invite water
intrusion and inner corrosion, resulting in fluctuated measurement and/or other
malfunctioning.
(8) Confirming the lower limit