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1.
2.
3.
4. In the front of the dryer
disconnect both inlet valves
supply pipe-work (figure B.2)
and the main compressed air
supply pipe. (Figure B insert)
5. At the rear of the dryer
disconnect the air inlet supply
pipe and both inlet valve supply
(figure B.2) connections (figure
B.3). If E.S. is fitted remove the
4mm supply tube from the unit
6. SERVICE ‘B’ INSTRUCTIONS - Desiccant change
(Every 2 years or 12,000 hours)
Figure B: Model Shown NDL - 4130.
Figure B.1
REPLACING DESICCANT CONTENTS
1. Ensure the dryer is shut down and fully
depressurised. See Page 8, section 4.1
2. Remove the fixing screws from the top
cover and remove cover. (Figure B)
3. Remove the 4 x M10 bolts from the outlet
connection flange at the rear of the dryer.
COLUMN CAPS
TOP MANIFOLD
2x M5 SOCKET
HEAD SCREWS
TOP COVER
M12 BOLTS AND
WASHERS
Black plastic conduit
Tubing not present on all units.
Tubing slides in the top manifold,
and around the column
Figure B.2
Figure B.3