SOLBERG
These assembly instructions are to be used as a general
reference guide to facilitate assembly. Please consult the
blower, bushing, sheave, and drive belt manufacturer’s
instruction manual for information and requirements regarding
the installation of their equipment. All blower and motor
models/brands are specified by the user.
BBF Series
Blower Base Frame
Assembly Instructions
Rev.: BFA-9105
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Frequently Asked Questions
Important Information to Know
Before You Start
1. Can I use a right hand drive blower?
The Solberg BBF best accepts left hand drive blowers. To minimize issues during
assembly, specify left hand drive blowers in the package design.
2. How can the BBF be adapted to work with small motor blower packages
needing larger sheaves?
Some smaller blower and motor packages using larger sheaves may require component
elevation to allow for proper operational clearance for sheaves and belts. This can be
accomplished by fabricating spacer bars or adding a sliding motor base to raise the motor
and/or blower appropriately. Solberg can quote & provide appropriate items upon
request.
3. What can be done if motor mounting holes don’t match bolts provided?
Motors smaller than 25 Horsepower may have 3/8” holes in the mounting base that are
too small for the 1/2" carriage bolts provided as part of the kit. We suggest the following
options to address the issue. Use a 3/8” (or appropriate size) bolt, wide flange flat
washers (Solberg offers), lock washer and nut assembly to attach the motor. Additionally,
some equipment may have cast mounting feet which are too thick for the standard bolts
provided; Solberg can provide longer bolts upon request.
4. How can clearance issues between the belt guard and filter silencer be
addressed?
Depending on your blower height, it may be necessary to use a nipple and/or coupling to
elevate the filter silencer to obtain proper clearance above the belt guard.
5. How is the blower connected to the BBF?
The BBF has a pipe stub connection extending from the base. A straight pipe nipple is
inserted into the blower discharge and a rubber sleeve/boot and clamps are used to seal
the connection. Refer to sections 2-5 of the instructions for more detail. Solberg offers
optional Boot Kits designed for the BBF Series. For more information on rubber
sleeve/boots or any other custom connection methods which may be required contact
Solberg or your representative.
6. Why do I have extra hardware?
We include additional bolts, nuts, etc. for different belt centers and tensioning
configurations.
Consult Solberg with any questions.
Phone: 630.773.1363, E-mail: sales@solbergmfg.com
2 “BBF” Series Blower Base Frame Assembly Instructions Rev.: 9105
SOLBERG
Solberg’s BBF Series
Blower Base Frame Parts List
Standard Solberg Supplied
Base Frame Parts
1 BBF Series Base Frame
3 Channels
1 Tensioning Channel
1 Belt Guard
Assorted Nuts and Bolts for assembly of a BBF Series 2” - 6” connection :
(16) 1/2”-13 x 1-1/2” long carriage bolts *5/8-11 x 2” long for 6” unit
(16) 1/2”-13 “whiz” nuts, (serrated flange hex nuts) *5/8-11 long for 6” unit
(2) Beaded spacer tubes 7/8” long
(6) 1/2”-13 hex nuts
(6) 1/2” standard washers
Depending on your package use either:
(2) 1/2" -13 x 7” long carriage bolts
(2) 1/2”-13 x 4 1/2” long carriage bolts
Optional Flat Washer for 3/8” bolts for smaller motors
(4) 3/8” Flat Square Washer (supplied with 2” & 2-1/2” boot kits)
Included with Belt Guard:
(4) 1/2”-13 x 1 1/2” long carriage bolts
(4) 1/2”-13 “whiz” nuts, (serrated flange hex nuts)
(9) 1/4”-20 x 1/2” long cap screws
Customer Supplied Parts
(1) PD blower
(1) Electric motor
(1) Pipe nipple (threaded one end)
(2) Bushings
(2) Sheaves
(X) Belt(s)
(X) Thread Sealant
(1) Pressure Relief (If required)
3 “BBF” Series Blower Base Frame Assembly Instructions Rev.:9105
SOLBERG
Customer or Solberg Supplied Parts (Boot Kits available separately upon request)
(1) Rubber sleeve/boot
(2) Band clamps
Helpful Tools: - Pipe wrench
- Allen wrench set
- 3/4" Combination wrench
- Screwdriver (for band clamps)
- Compact bolt/wire cutter
- Tension measuring tool
- Straight edge
- Lifting hoist
- 3/8” Socket wrench
- Soft mallet
- Tape measure
- Torque wrench (w/ sockets)
- Crescent wrench
Solberg’s BBF Series, Blower Base Frame Assembly Instructions
1.1 Materials Needed (MN):
- (1) Solberg blower base frame
- (2) Standard channels
- (4) ½”-13 x 1-1/2” carriage bolts
- (4) ½”-13 “Whiz” flange nuts
1.2 If a relief valve is required, install into the relief port prior to affixing
the blower.
1.3 The frame is supplied with rails in place; slightly loosen rails for
necessary adjustments.
1.4 If frame needs rails installed, place (2) standard channels on top of
frame, the channels will overhang the frame on the right hand side.
Place (4) carriage bolts through square holes and thread on nuts
but do not tighten; rails need to be able to slide in frame slots.
2.1 MN - (1) Flex Coupling
- (2) Band Clamps
- (4) ½”-13 x 1-1/2” carriage bolts
2.2 Slide flex coupling over the OD of the BBF inlet pipe stub. Slide
band clamps over the OD of the flex coupling. Slide (4) carriage
bolts, (2) into each channel with the threaded portion protruding up
through the channel. These are for mounting the blower to the
channels.
Relief Valve
Figure 1.2
Figure 2.2
4 “BBF” Series Blower Base Frame Assembly Instructions Rev.: 9105
SOLBERG
3.1 MN - (1) Blower
- (1) Pipe nipple
- Thread sealant
3.2 Tools Needed (TN): Pipe wrench
3.3 On blower, measure the distance from the bottom of the feet to the
threaded inlet of the blower. Then measure the distance from the
top of the inlet pipe stub to the top of the channels. This distance
plus the thread engagement length of the pipe minus 1/8” inch for
clearance should be the length of the pipe nipple. Seal to thread
the nipple as appropriate.
4.1 MN - (1) Blower w/ pipe nipple
- (4) Blower washers (if supplied with blower)
- (4) ½”-13 “Whiz” flange nuts
4.2 TN - Lifting hoist
- ¾” Combination wrench
4.3 Lift the blower using a hoist system by the lifting eyelets;
positioning it over the top of the BBF. As the blower is slowly
lowered into place these actions need to be kept in mind:
4.3.1 The pipe nipple in bottom of blower needs to be fed into the
flex coupling.
4.3.2 The channels need to be positioned on the BBF so the
blower mounting feet will rest on them.
4.3.3 The carriage bolts need to be positioned in the channels so
that they may be slid into the blower mounting feet after the
blower is resting on the channels.
4.4 The location of the blower is dictated by the location of the BBF
inlet. Once the blower is lowered and resting on the channels, use
a ruler to square the channels to each other and to the BBF. Once
the channels are square, tighten them securely into place. Next
square the face of the blower with the edge of the rails. Squaring
this precisely will make sheave alignment significantly easier later
on in assembly. Slide carriage bolts into blower mounting feet and
place blower washers on bolt. Then thread on nuts and tighten
securely into place being careful not to twist the blower while
tightening.
5.1 TN - Socket wrench or screwdriver
5.2 Slide flex coupling so that it covers both the BBF inlet pipe and
blower pipe nipple equally. Tighten (1) band clamp around the
blower pipe nipple and (1) band clamp around the BBF inlet pipe.
They must be airtight seals.
Figure 4.3
Figure 4.4
5 “BBF” Series Blower Base Frame Assembly Instructions Rev.:9105
SOLBERG
6.1 MN - Skid or blocks
6.2 The BBF has 30-degree cuts in the side frame. Lift the front of the
BBF until these 30-degree flats rest flat on the ground. Use a skid
or blocks to prop the BBF in this position. Make sure to brace the
BBF on the front and rear side so that it is not able to tip either
direction.
7.1 MN - (1) Standard channel
- (1) Tensioning channel
- (4) ½”-13 x 1-1/2” carriage bolts
- (4) ½”-13 “whiz” flange nuts
- (2) ½”-13 x X” carriage bolts, for tensioning
- (6) ½”-13 hex nuts, for tensioning
- (2) beaded spacer tubes 7/8” long
- (6) 1/2” standard washers
7.2 TN - ¾” combination wrench
7.3 Place standard channel in frame slots closest to blower, the
channel will overhang the frame on the right. Place (2) carriage
bolts through the square holes and thread on nuts lightly; it is
necessary for rails to be able to slide. Holding the tensioning
channel with the overhang to the right side place the (2) tensioning
carriage bolts down through the square holes in the brackets
welded to the bottom of the channel. The length of the tensioning
carriage bolts will depend on the center distance that the drive
belts are designed for. Note: There are 2 options for length of the
carriage bolts depending on center distance on the 2” or 2-1/2”
frames.
7.4 The 7” long carriage bolt does not have thread on the part closet to
Figure 7.3
the head & will require a spacer before threading on a nut. The 4
½” carriage bolts require a washer on the part closest to the head
before threading on a nut. Thread (1) hex nut up the length of each
carriage bolt and tighten them on the bracket. Thread the other
hex nuts halfway up the length of each carriage bolt. Then place
the tensioning channel on the frame slots at the front of the BBF: at
the same time feeding the tensioning carriage bolts through the
4 ½”” Carriage Bolt Assembly
holes in the angle iron that is welded to the frame. Once the
channel is in place, put (2) carriage bolts through the square holes
and thread on nuts lightly; the rail needs to be able to slide.
7” Carriage Bolt Assembly
Figure 7.4
w/ 4 ½” Carriage Bolt
Figure 7.4
w/ 7” Carriage Bolt
6 “BBF” Series Blower Base Frame Assembly Instructions Rev.: 9105
Figure 6.2
SOLBERG
8.1 MN - (1) Electric motor
- (4) 1/2”-13 x 1-1/2” carriage bolts
- (4) ½”-13 “whiz” flange nuts
8.2 TN - ¾” combination wrench
- Lifting hoist
8.3 Slide (4) carriage bolts, threaded portion up, into the channels.
Using a hoist and the lifting lug, raise the motor over the BBF. As
the motor is slowly lowered keep these actions in mind:
8.3.1 The channels must be slid in the slots to match the footprint
of the motor.
8.3.2 The carriage bolts must be fed through the holes in the
motor mounting plate. Loosely thread on the flange nuts; the
motor will need to slide on the channels during alignment.
8.4 The mounting plate of some smaller motors may not accommodate the provided 1/2" carriage bolt. In some
cases the plate has 3/8” holes. We suggest two possible solutions.
8.4.1 Drill out 1/2" holes into you mounting plate to handle the
provided 1/2" carriage bolt and “whiz” nut.
8.4.2 Use a 3/8” carriage bolt with a flat washer, lock washer and nut.
(Optional accessories as part of kit, contact factory)
9.1 TN - ¾” combination wrench
- Straight Edge
9.2 Square the motor channels to each other and the BBF.
Temporarily tighten the nuts to frame. Using the straightedge align
the blower shaft bearing with the motor shaft bearing; the face of
the blower with the face of the motor. When the blower and motor
bearings are aligned, securely tighten the motor to the channels.
10.1 DL Series Purpose Built Belt Guard
MN - (1) Corresponding DL Series belt guard
- (4) ½”-13 x 1-1/2” carriage bolts
- (4) ½”-13 “whiz” flange nuts
10.2 TN - ¾” combination wrench
- Compact bolt/wire cutter *See section 10.6
10.3 Determine the centerline of your drive shaft and the height of each
shaft from the top of the channel. This is determined by the sheave
size and belt length. Transfer the measurements to the belt guard
to remove grid to accommodate shafts.
Figure 8.3
Figure 8.4.2
Figure 9.2
Figure 10.3
7 “BBF” Series Blower Base Frame Assembly Instructions Rev.:9105
SOLBERG
10.4 Remove only enough material to allow the drive shafts to freely
pass through and accommodate any adjustments needed when
tensioning the belts. Attach the belt guard to the channels. The
belt guard should sit on all (4) channels.
10.5 Individually place a carriage bolt, (4) total through the slot in the
bottom of the belt guard and through the slot in the channel.
Loosely tighten a flange nut on each carriage bolt; the channels
will need to slide in the slot in the belt guard during tensioning.
10.6 The grid material can be removed by using compact bolt/wire
cutters (aviation snips, diagonal cutting pliers etc.) or grinder. Use
caution and eliminate any hazardous sharp edges prior to final
installation.
11.1 MN - (1) Motor shaft bushing
- (1) Blower shaft bushing
- (1) Motor sheave
- (1) Blower sheave
11.2 TN - Allen wrenches
11.3 Follow the bushing and sheave manufacturer’s instructions
for assembling the bushing and sheave on the motor and
blower shafts. Follow the manufacturer’s instructions for
bushing and sheave placement on shaft to reduce bearing
wear.
11.4 Set and begin aligning sheaves. Most manufacturers recommend
no more than 1/8” to 1/4” gap between sheave face and blower or
motor face. Consult the manufacturer’s specifications.
12.1 MN - Drive belts
- (4) 1/2”-13 x 1-1/2” carriage bolts
- (4) ½”-13 “whiz” flange nuts
12.2 TN - Tension measurement device
- Straight edge
12.3 Loosen nuts on motor channels from BBF. Slide motor on
channels towards the blower. Individually place the drive belts
around each sheave in its’ respective groove. Slide the motor on
channels away from the blower to remove the slack from the drive
belts.
Figure 10.4
Figure 10.5
Figure 11.3
Figure 11.4
Figure 12.3
8 “BBF” Series Blower Base Frame Assembly Instructions Rev.: 9105
SOLBERG
13.1 At this point begin to use the tensioning system to tighten the belts. There should be (2) hex nuts, one on
either side of the angle iron piece on each carriage bolt. The hex nut on the end of the bolt is used to pull the
motor on its’ channels and tighten the belts. The hex nut in between the angle iron and the channels is used
to push the motor on its’ channels to square the motor and the blower sheaves.
13.2 Follow the drive belt manufacturer’s instructions to achieve
proper belt tension. Make sure that when the belts have reached
the proper tension that the sheaves are aligned using a straight
edge. Misalignment will result in short bearing and belt life
and poor performance. Once the belts have been correctly
tensioned and the sheaves are aligned securely tighten the nuts on
the motor channels to the BBF. Also be sure the center hex nut on
the carriage bolt is tightened against the angle iron to prevent
slacking in the belts.
14.1 MN - DL belt guard cover
- (9) ¼”-20 hex cap screws
14.2 TN - 3/8” Sockets wrench
14.3 Align the slots in the belt guard cover with the weld nuts in the belt guard back frame. Secure
the cover by threading and tightening the screws into their location.
15.1 Example of a BBF Series base frame package with SMI belt guard. Add Solberg Silencer Filter or Inlet
Vacuum Filter for the total solution. For more information please contact Solberg or your reseller.
Figure 13.2a
Figure 13.2b
9 “BBF” Series Blower Base Frame Assembly Instructions Rev.:9105
SOLBERG
Configurations of Solberg’s Total Solution
for the PD Blower Industry
w/ “2G” Premium Grade
Silencer Filter
w/ “LQB” Lateral Access
Silencer Filter
15.2 Attaching the Filter: Depending on your blower heig ht, it may be necessary to use a nipple or coupling to
elevate the filter silencer to obtain proper clearance above the belt guard.
w/ “CSL” L-Style
Inlet Vacuum Filter
w/ “IVPL” Lateral Access Inlet
w/ “ST” See-Through
Compact Inlet Vacuum Filter
Vacuum Filter
Solberg Manufacturing Inc
1151 Ardmore Ave, Itasca, IL 60143 USA
Sales/Service: 630.773.1363
Fax: 630.773.0727
Email: sales@solbergmfg.com
Web: www.solbergmfg.com
10 “BBF” Series Blower Base Frame Assembly Instructions Rev.: 9105
SOLBERG
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