NHTSA ID Number: 11005479
Manufacturer Communication Number: CSB24-600-001
TSB/Document Date: 2024-08-02
Summary
This service bulletin is about certain vehicles that may have water intrusion in the aerial rung rail, which may settle into the rung rail and freeze resulting in a bulge or split. The bulletin also provides instructions on how to inspect the rung rail and add drain holes.
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TSB/Document ID: CSB24-600-001
Replacement Service Bulletin Number:
MFR Communication Date: 2024-07-17
MFR Internal Campaign ID/Software Version: 24011
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: UNKNOWN OR OTHER
MFR Component System: Aerial
MFR Component Subsystem: Aerial Rung Rail
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Ladder Tower
Campaign Service Bulletin
CSB24-600-001
DATE:
7/17/2024
APPLIES TO:
This service bulletin applies to certain model year 2004-2018 Gladiator,
2008-2009 and 2013-2017 Metro Star, and 2007 Advantage model
emergency response apparatus vehicles, equipped with a 75 foot, 103
foot, and 100 foot TDA aerial devices built between December 22, 2004
and February 11, 2018.
CONDITION:
The aerial rung has the potential for moisture intrusion, which could settle
into the rung rail weldment and freeze resulting in splits, cracks, or bulges.
CORRECTION:
Inspect rung rail for swelling and cracks and add drain holes.
LABOR ALLOCATION:
2-3 hours
CLASSIFICATION:
E3
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.
24011
Page 1 of 16
QUA-FR-0290
Rev: 4.0
Ladder Tower
Campaign Service Bulletin
CSB24-600-001
STEP-BY-STEP INSTRUCTIONS
1. Fully extend the aerial device to visually inspect all rung rail tubes that are used for cable conduit that
are using strain reliefs for wire entry. This will be the top 2 sections on both the 75’ and 103’ aerials.
2. Locating the rung rails. These are the bottom tube structures on the ladder sections.
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.
24011
Page 2 of 16
QUA-FR-0290
Rev: 4.0
Ladder Tower
Campaign Service Bulletin
CSB24-600-001
3. Visually inspect all sides of the rung rails tubes looking for bulges or cracks in the tube. Using the
tube gauge tool, run the appropriate gauge (per section) down the entire length of the rung rail
tubing. If the gauge tool fits the tube, no bulging is present, proceed to step 4. If cracks are found
and/or the gauge tool doesn’t fit, measurements and photos are to be taken of the area.
See the proper fitment of the tube gauge example below in figure 3.1 and improper fitment in
figure 4.1.
Proper fit of the gauge tool
Figure 3.1
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.
24011
Page 3 of 16
QUA-FR-0290
Rev: 4.0
Ladder Tower
Campaign Service Bulletin
CSB24-600-001
Gauge tool not properly fitting
Figure 4.1
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.
24011
Page 4 of 16
QUA-FR-0290
Rev: 4.0
Ladder Tower
Campaign Service Bulletin
CSB24-600-001
4. If cracks exist or the gauge tool doesn’t properly fit, note the location and measurement of the area
on the drawing. Take pictures and measurements of its location and submit to customer service.
See figures 5.1 and 5.2.
Figures 5.1
Figures 5.2
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.
24011
Page 5 of 16
QUA-FR-0290
Rev: 4.0
Ladder Tower
Campaign Service Bulletin
CSB24-600-001
5. At the tip and bottom of each ladder sections rung rail, drill a 1/4” diameter hole centered in the
bottom wall of the rung rail tube located 4” to 5” in from the end of the tube weldments.
(8) Holes in total will be added.
Once the holes are drilled, apply touch up paint on the drill openings.
See Figures 6.1, 7.1,7.2, 8.1, 8.2.
Figure 6.1
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.
24011
Page 6 of 16
QUA-FR-0290
Rev: 4.0
Ladder Tower
Campaign Service Bulletin
CSB24-600-001
Image showing the ¼” hole at the tip of the outer mid rung rails
Figure 7.1
Image showing the ¼” hole at the tip of the fly rung rails
Figure 7.2
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.
24011
Page 7 of 16
QUA-FR-0290
Rev: 4.0
Ladder Tower
Campaign Service Bulletin
CSB24-600-001
Images showing the ¼” hole in the lower outer mid rung rails
Figure 8.1
Figure 8.2
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.
24011
Page 8 of 16
QUA-FR-0290
Rev: 4.0
Ladder Tower
Campaign Service Bulletin
CSB24-600-001
6. Locate the strain relief connections in the top of the rung rails and apply sealant to the tops
of the wire entry points. See Figure 9.1
Figure 9.1
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.
24011
Page 9 of 16
QUA-FR-0290
Rev: 4.0
Ladder Tower
Campaign Service Bulletin
CSB24-600-001
7. Sealant to be applied is a 3M Fast Cure 4000 UV (05280). The 3M product can be purchased
on Amazon, Home Depot or a local hardware store. See Figure 10.1.
Figure 10.1
8. Apply sealant to the entry points where the wires enter the strain reliefs. Where multiple
wires enter the strain reliefs, be sure to apply sealant between and around the wires. See
Figure 11.1. Also seal around the base of the acorn nuts filling gaps and openings. See Figure
11.2
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.
24011
Page 10 of 16
QUA-FR-0290
Rev: 4.0
Ladder Tower
Campaign Service Bulletin
CSB24-600-001
Wiring connections without sealant
Figure 11.1
Wiring connections with sealant.
Figure 11.2
9. If during the process of adding the drain holes starting on page 6 step 5, water drains out of
the holes, continue with step 10. If water wasn’t present, step 10 can be skipped.
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.
24011
Page 11 of 16
QUA-FR-0290
Rev: 4.0
Ladder Tower
Campaign Service Bulletin
CSB24-600-001
10. Using an Ultrasonic tester, start at the top of each ladder section (fly and mid) and measure
the rung rail tube wall thickness every 12”. See Figures 12.1 and 12.2.
Figures 12.1
Figure 12.2
11. Ultrasonic readings should be taken at the paint line on the under-side of the rug rail tube.
Measure both the left and the right side of the tube paint line See Figure 13.1 and 13.2. Record
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.
24011
Page 12 of 16
QUA-FR-0290
Rev: 4.0
Ladder Tower
Campaign Service Bulletin
CSB24-600-001
your readings on the documents provided on pages 14 -16. After readings are taken and
recorded, submit results to [email protected] for review.
Figure 13.1
Figure 13.2
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.
24011
Page 13 of 16
QUA-FR-0290
Rev: 4.0
Ladder Tower
Campaign Service Bulletin
CSB24-600-001
Use the attached drawings to record wall thickness measurements.
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.
24011
Page 14 of 16
QUA-FR-0290
Rev: 4.0
Ladder Tower
Campaign Service Bulletin
CSB24-600-001
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.
24011
Page 15 of 16
QUA-FR-0290
Rev: 4.0
Ladder Tower
Campaign Service Bulletin
CSB24-600-001
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.
24011
Page 16 of 16
QUA-FR-0290
Rev: 4.0
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