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O
PE
R
A
TI
O
N
AN
D
A
D
JU
ST
M
ENT
S
ARBUS 1000
Tower kit for Arbus 1000 (Optional)
C
D
D
D
3. Use an appropriate wrench to loosen the
fastening bolt on the adjustable vanes
(detail C).
4. 4. Remove the fastening bolt from the
adjustable vanes.
5. 5. Locate the fastening points on both
sides of the fan box (detail D).