TSB24-600-001

Smeal Fire Apparatus
DATE:
Technical Service Bulletin
TSB24-600-001
1/30/2024
APPLIES TO:
This service bulletin applies to certain 2013 through 2023 model year,
Rear Mounted Aerial model Emergency Response vehicles and
equipment aerials built between January 2014 and September 2023.
CONDITION:
Bolts that fasten the torque frame to some outrigger locations and some
frame rail locations may fail.
CORRECTION:
Inspect and measure gaps between torque box mounting plates and the
frame. Shim if necessary and install new fasteners.
LABOR ALLOCATION:
2-8 hours per mount
CLASSIFICATION:
T3
GENERAL INSTRUCTIONS:
Thoroughly review entire service bulletin before starting work. If there are questions or concerns
with steps defined in this service bulletin, contact Spartan Fire, LLC. Customer & Product Support
Group.
All applicable industry safety standards must be followed when performing work identified in this
procedure.
Service Bulletins are intended for use by Professional Technicians only. They are written to guide Professional Technicians in performing service to
vehicles of specific nature in conjunction with industry standards. Professional Technicians should be appropriately trained on industry standards and
have the tools and equipment to perform procedures safely and properly.
24001
Page 1 of 15
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Smeal Fire Apparatus
Technical Service Bulletin
TSB24-600-001
Step by Step Instructions
1) This bulletin is intended for use in addressing cases where torque frame
mount fasteners have been found to be broken. This is not intended to be
used for proactive repair/replacement of fasteners that have not failed.
2) The bulletin is divided into two sections:
a. Section A: Inspection and Measurement
b. Section B: Mounting Bolt Replacement Procedure
3) Upon inspection of torque box or outrigger mounting bolts, if bolts are
found to be broken, choose the appropriate category in Section A for your
aerial length and mounting plate location below to measure and record the
gap between the mounting plate and the frame rails.
4) Once measurements are collected and if they are outside of the
specification, contact Spartan Customer Service 1-800-867-6478 for
procurement of correct spacer shims to correct gap disparity.
5) Once shims/fasteners are received, use the appropriate category in Section
B (starting on page 13) for your aerial length and mounting plate location
to correctly install and torque the shims and fasteners.
Service Bulletins are intended for use by Professional Technicians only. They are written to guide Professional Technicians in performing service to
vehicles of specific nature in conjunction with industry standards. Professional Technicians should be appropriately trained on industry standards and
have the tools and equipment to perform procedures safely and properly.
24001
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Technical Service Bulletin
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Section A: Inspection and Measurement
75’ Aerial Ladder Rest Mounting Plate
1. Remove all fasteners from the front ladder rest mounting frame plate. One
side at a time, as necessary.
2. Measure the gap using feeler gauges at the top and bottom of the plate.
This will give a shim thickness. If the measurement is greater than .031”, a
shim pack will be made to take up that space.
3
4
1
2
Measurement
Gap
Drivers
Officers
1
2
3
4
Service Bulletins are intended for use by Professional Technicians only. They are written to guide Professional Technicians in performing service to
vehicles of specific nature in conjunction with industry standards. Professional Technicians should be appropriately trained on industry standards and
have the tools and equipment to perform procedures safely and properly.
24001
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Smeal Fire Apparatus
Technical Service Bulletin
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75’ Aerial Front Stabilizers Gap Measurement
1. Remove all fasteners from the front outrigger mounting frame plate. One
side at a time, as necessary.
2.
Measure the gap using feeler gauges at the top and bottom of the plate.
This will give a shim thickness. If the measurement is greater than .031”, a
shim pack will be made to take up that space.
Measurement
Gap
Drivers
Officers
1
2
3
4
Service Bulletins are intended for use by Professional Technicians only. They are written to guide Professional Technicians in performing service to
vehicles of specific nature in conjunction with industry standards. Professional Technicians should be appropriately trained on industry standards and
have the tools and equipment to perform procedures safely and properly.
24001
Page 4 of 15
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Smeal Fire Apparatus
Technical Service Bulletin
TSB24-600-001
75’ Aerial Mid Torque Box Mounting Plate Gap Measurement
1. Remove all fasteners from the mid torque box mounting frame plate. One
side at a time, as necessary.
2. Measure the gap using feeler gauges at the top and bottom of the plate.
This will give a shim thickness. If the measurement is greater than .031”, a
shim pack will be made to take up that space.
1
2
3 4
5
6
Measurement
Gap
Drivers
Officers
1
2
3
4
5
6
Service Bulletins are intended for use by Professional Technicians only. They are written to guide Professional Technicians in performing service to
vehicles of specific nature in conjunction with industry standards. Professional Technicians should be appropriately trained on industry standards and
have the tools and equipment to perform procedures safely and properly.
24001
Page 5 of 15
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Smeal Fire Apparatus
Technical Service Bulletin
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75’ Aerial Rear Torque Box Mounting Plate Gap Measurement
1. Remove all fasteners from the rear torque box mounting frame plate. One
side at a time, as necessary.
2. Measure the gap using feeler gauges at the top and bottom of the plate.
This will give a shim thickness. If the measurement is greater than .063”, a
shim pack will be made to take up that space.
Measurement
Gap
Drivers
Officers
1
2
3
4
Service Bulletins are intended for use by Professional Technicians only. They are written to guide Professional Technicians in performing service to
vehicles of specific nature in conjunction with industry standards. Professional Technicians should be appropriately trained on industry standards and
have the tools and equipment to perform procedures safely and properly.
24001
Page 6 of 15
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Technical Service Bulletin
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100’ Platform Mid Torque Box Mounting Plate Gap Measure
1. Remove all fasteners from front outrigger mounting frame plate. One
side at a time, as necessary.
2. Measure the gap using feeler gauges at the top and bottom of the plate.
This will give a shim thickness. If the measurement is greater than .031”,
a shim pack will be made to take up that space.
Measurement
Gap
Drivers
Officers
1
2
3
4
5
6
7
8
Service Bulletins are intended for use by Professional Technicians only. They are written to guide Professional Technicians in performing service to
vehicles of specific nature in conjunction with industry standards. Professional Technicians should be appropriately trained on industry standards and
have the tools and equipment to perform procedures safely and properly.
24001
Page 7 of 15
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Smeal Fire Apparatus
Technical Service Bulletin
TSB24-600-001
100’ Platform Mid Torque Box Mounting Plate Gap Measure
1. Remove all fasteners on mid torque box mounting frame plate. One side at
a time, as necessary.
2. Measure the gap using feeler gauges at the top and bottom of the plate.
This will give a shim thickness. If the measurement is greater than .031”, a
shim pack will be made to take up that space.
Measurement
Gap
Drivers
Officers
1
2
3
4
5
6
Service Bulletins are intended for use by Professional Technicians only. They are written to guide Professional Technicians in performing service to
vehicles of specific nature in conjunction with industry standards. Professional Technicians should be appropriately trained on industry standards and
have the tools and equipment to perform procedures safely and properly.
24001
Page 8 of 15
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Smeal Fire Apparatus
Technical Service Bulletin
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100’ Platform Rear Torque Box Mounting Plate Gap Measure
1. Remove all fasteners on rear torque box mounting frame plate. One side at
a time, as necessary.
2. Measure the gap using feeler gauges at the top and bottom of the plate.
This will give a shim thickness. If the measurement is greater than .063”, a
shim pack will be made to take up that space.
Measurement
Gap
Drivers
Officers
1
2
3
4
5
6
Service Bulletins are intended for use by Professional Technicians only. They are written to guide Professional Technicians in performing service to
vehicles of specific nature in conjunction with industry standards. Professional Technicians should be appropriately trained on industry standards and
have the tools and equipment to perform procedures safely and properly.
24001
Page 9 of 15
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Smeal Fire Apparatus
Technical Service Bulletin
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105’ Aerial Front Outrigger Mounting Plate Gap Measure
1. Remove all fasteners from the front outrigger mounting frame plate. One
side at a time, as necessary.
2. Measure the gap using feeler gauges at the top and bottom of the plate.
This will give a shim thickness. If the measurement is greater than .031”, a
shim pack will be made to take up that space.
Measurement
Gap
Drivers
Officers
1
2
3
4
5
6
7
8
Service Bulletins are intended for use by Professional Technicians only. They are written to guide Professional Technicians in performing service to
vehicles of specific nature in conjunction with industry standards. Professional Technicians should be appropriately trained on industry standards and
have the tools and equipment to perform procedures safely and properly.
24001
Page 10 of 15
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Rev: 4.0
Smeal Fire Apparatus
Technical Service Bulletin
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105’ Aerial Mid Torque Box Mounting Plate Gap Measure
1. Remove all fasteners from the mid torque box mounting frame plate. One
side at a time, as necessary.
2. Measure the gap using feeler gauges at the top and bottom of the plate.
This will give a shim thickness. If the measurement is greater than .031”, a
shim pack will be made to take up that space.
Measurement
Gap
Drivers
Officers
1
2
3
4
5
6
Service Bulletins are intended for use by Professional Technicians only. They are written to guide Professional Technicians in performing service to
vehicles of specific nature in conjunction with industry standards. Professional Technicians should be appropriately trained on industry standards and
have the tools and equipment to perform procedures safely and properly.
24001
Page 11 of 15
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Rev: 4.0
Smeal Fire Apparatus
Technical Service Bulletin
TSB24-600-001
105’ Aerial Rear Torque Box Mounting Plate Gap Measure
1. Remove all fasteners from the rear torque box mounting frame plate. One
side at a time, as necessary.
2. Measure the gap using feeler gauges at the top and bottom of the plate.
This will give a shim thickness. If the measurement is greater than .063”, a
shim pack will be made to take up that space.
Measurement
Gap
Drivers
Officers
1
2
3
4
5
6
Service Bulletins are intended for use by Professional Technicians only. They are written to guide Professional Technicians in performing service to
vehicles of specific nature in conjunction with industry standards. Professional Technicians should be appropriately trained on industry standards and
have the tools and equipment to perform procedures safely and properly.
24001
Page 12 of 15
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Smeal Fire Apparatus
Technical Service Bulletin
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Section B: Mounting Bolt Replacement Procedure
75’ Aerial Torque Box Mounting Bolts Replacement Procedure
Objective: Install new Grade 8 Bolts and Nuts and shims if required.
• Use the same procedure for both sides of the apparatus.
• One plate at a time, install fasteners and shims, if required. Torque bolts
to 50%, beginning in the lower center of the plate working out and up.
• After bolts are installed and torqued to 50%, repeat procedure and
torque to final value.
• Final Torque Values:
1/2” bolt – 80 ft-lb
5/8” bolt – 175 ft-lb
Service Bulletins are intended for use by Professional Technicians only. They are written to guide Professional Technicians in performing service to
vehicles of specific nature in conjunction with industry standards. Professional Technicians should be appropriately trained on industry standards and
have the tools and equipment to perform procedures safely and properly.
24001
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Smeal Fire Apparatus
Technical Service Bulletin
TSB24-600-001
100’ Rear Mount Platform Torque Box Mounting Bolts
Replacement Procedure
Objective: Install new Grade 8 Bolts and Nuts and shims if required.
• Use the same procedure for both sides of the apparatus.
• One plate at a time, install fasteners and shims, if required. Torque bolts
to 50%, beginning in the lower center of the plate working out and up.
• Torque bolts to 50%, beginning in the lower center of the plate working
out and up.
• After bolts are installed and torqued to 50%, repeat procedure and
torque to final value.
• Final Torque Values:
1/2” bolt – 80 ft-lb
5/8” bolt – 175 ft-lb
Service Bulletins are intended for use by Professional Technicians only. They are written to guide Professional Technicians in performing service to
vehicles of specific nature in conjunction with industry standards. Professional Technicians should be appropriately trained on industry standards and
have the tools and equipment to perform procedures safely and properly.
24001
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Smeal Fire Apparatus
Technical Service Bulletin
TSB24-600-001
105’ Aerial Torque Box Mounting Bolts Procedure
Objective: Install new Grade 8 Bolts and Nuts and shims if required.
• Use the same procedure for both sides of the apparatus.
• One plate at a time, install fasteners and shims, if required. Torque bolts
to 50%, beginning in the lower center of the plate working out and up.
• Torque bolts to 50%, beginning in the lower center of the plate working
out and up.
• After bolts are installed and torqued to 50%, repeat procedure and
torque to final value.
• Final Torque Values:
1/2” bolt – 80 ft-lb
5/8” bolt – 175 ft-lb
Service Bulletins are intended for use by Professional Technicians only. They are written to guide Professional Technicians in performing service to
vehicles of specific nature in conjunction with industry standards. Professional Technicians should be appropriately trained on industry standards and
have the tools and equipment to perform procedures safely and properly.
24001
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Rev: 4.0