Spencer Vacuum Cleaning Systems - Manual (Page 13)

Discharge Intake
Notes:
1. Although eight impellers and seven deflectors are shown in
this typical drawing, the number in each machine will vary
dependent on the specific machine’s design criteria. To deter-
mine the number of impellers and deflectors in a specific
machine, consult the factory. Be sure to include machine serial
number and appropriate impeller/deflector letter designation.
2. The impellers are equipped with keyed hubs as illustrated
or split clamped hubs shown below.
3. When ordering replacement parts, refer to Section XIV.
Screened items are recommended spare parts
1 - Motor
2 - Drive End Motor Bearing
3 - Flexible Coupling
4 - Coupling Guard
6 - Inboard Bearing Lubrication
Fitting
7 - Division Head
8 - Inboard Bearing Cap Front
8A - Inboard Bearing Cap Rear
9 - Heat Fan Guard
10 - Rope Packing for Deflectors
11 - Deflectors (A,B,C, Etc.)
12 - End Head Bolts
13 - Intake Spiral
13A - Grease Drain
14
- End Head Assembly
15 - Outboard Bearing Nut and Washer
16 - Outboard Bearing Lubrication Fitting
17 - Outboard Bearing Cap
17A - Outboard Bearing Housing
18
- Thrust Washer (where applicable)
18A - Outboard Bearing(s)
19
- Outboard Bearing Bracket
19A - Housing Locking Bolt and Nut
20
- End Head Packing (where applicable)
20A - End Head Packing Plate
21
- Bracket Bolts
22 - End Head Gasket
23 - Casing
24 - Shaft and Keys
24A - Impeller Assembly Lock Nuts (2) and
Washer (1)
24B - Shaft Sleeves (Two; one keyed)
25 - Inter-Stage Deflector Packing
25A - Center Deflector Plates
26 - Half Deflector
27 - Spacers
28 - Feet
29 - Impellers (A,B, C, Etc.)
31 - Heat Fan
32 - Division Head Packing
32A - Division Head Packing Plate
33 - Inboard Bearing Bracket
34 - Inboard Bearing
35 - Inboard Shaft Locking Nut
and Washer
36 - Common Base
37 - Opposite Drive End Motor
Bearing
38, 39 - Metallic Packing
*
13
Alternate internal construction of a four
bearing outboard Blower with split
clamped hubs Packing box used on Gas Boosters.
See Form DD Packing box used where pressure exceeds
7.5 psi and for other special applications.
Typical Four-Bearing Outboard Type (4BOB)
* Not available as a separate item