28
Installation, Operation and Maintenance Manual
Dalamatic Insertable Dust Collectors – Series DLM V
18 If the measurement was taken from impeller back plate to fan case, adjust
to suit and tighten motor fixing fasteners through pedestal and motor feet.
Replace inlet eye, using a bead of sealant between the plate and fan case
and replace outer circle of bolts.
19 If the measurement was taken from inlet eye to impeller front plate, then
replace inlet eye, using a bead of sealant between the plate and fan case
and replace outer circle of bolts. Adjust impeller to suit and tighten motor
fixing fasteners through pedestal and motor feet.
20 If a measurement was not taken, then replace inlet eye, using a bead of
sealant between the plate and fan case and replace outer circle of bolts.
Adjust impeller so that there is approximately 2 mm clearance between inlet
eye and front of impeller and tighten motor fixing fasteners through pedestal
and motor feet. For ignition minimising fans the minimum clearance must
be
!
1% of the relevant contact diameter.
21 Rotate impeller by hand, adjusting where necessary, to ensure that impeller
runs freely.
Replacing the fan assembly
1 Apply a bead of sealant to form a seal between inlet eye and housing when
assembled.
2 Locate fan assembly onto compressed air manifold.
3 From inside the header secure fan assembly in position by replacing bolts.
4 Replace and tighten the 4 nuts, bolts and washers securing motor pedestal
to compressed air manifold.
5 Rotate fan impellor to ensure it runs freely.
6 Replace header cover and retaining strap (if fitted).
7 Replace acoustic diffuser access cover (if fitted).
8 Reconnect electrical cables to motor terminal box.
MAINTENANCE
