NHTSA ID Number: 10175595
Manufacturer Communication Number: SIL 742
TSB/Document Date: 2020-05-27
Summary
Service Information Letter 742 notified certain unit owners that the routing of the air conditioning lines on some units may cause the hoses or fittings to interfere with other components in the engine compartment. This can result in hose or fitting damage which can lead to air conditioning system failure. Altec recommends an inspection of the air conditioning lines on each unit no later than the next regular maintenance interval or 90 days after the receipt of this letter whichever comes first to correct any potential issues
210 Inverness Center Parkway
Birmingham, AL 35242
Telephone: 205-991-7733
Facsimile: 205-991-9993
www.altec.com
This notice applies to your vehicle. See SIL for specific unit identification.
Dear Altec Owner,
April 15, 2020
Altec Industries, Inc. has developed a product improvement which relates to certain AT37-G, AT40-G,
AT40M, AT41M, and AT41ME units on Dodge
diesel chassis equipped with JEMS systems, built
from January 2018 to June 2019.
Refer to SIL 742 for items covered under the warranty policy. Altec will supply necessary parts to correct
this condition.
In order to determine if your unit is affected by SIL 742, compare the serial number of your unit with the list of
affected units as described on the SIL. The product improvement can be performed by the customer or you may
contact Altec at 1-877-GO-ALTEC (1-877-462-5832) for further assistance.
At any time, you may contact Altec at 1-877 GO ALTEC (1-877-462-5832) with your unit’s serial number to
determine if there are any other outstanding notices.
If you have sold or retired the unit please call Altec at 1-877-GO-ALTEC (1-877-462-5832) so the records may
be changed.
We regret this inconvenience; however we are taking this action in the interest of your safety and continued
satisfaction with Altec products.
Thank you for your immediate attention on this important matter.
Altec Industries, Inc.
Elizabethtown Operations
Elizabethtown, KY
SIL 742
Service Information Letter
April 15, 2020
Units Affected: AT37-G, AT40-G, AT40M, AT41M, and AT41ME units on Dodge
diesel
chassis equipped with JEMS systems, built from January 2018 to June 2019 (see attached list)
Air Conditioning Line Inspection
Altec is committed to providing our customers reliable products from initial delivery throughout
the useful life of the machine.
Altec has discovered that the routing of the air conditioning lines on some units causes the hoses
or fittings to interfere with other components in the engine compartment. This can result in hose
or fitting damage which can lead to air conditioning system failure.
Altec recommends an inspection of the air conditioning lines on each unit no later than the next
regular maintenance interval or 90 days after the receipt of this SIL, whichever comes first. Use
the Inspection Procedure beginning on page 2. Use the Decision Chart on page 4 to assist in the
required action and the needed skill level of the technician. A technician certified in the repair
of the air conditioning system (EPA-approved program that meets Section 609 regulations from
the Clean Air Act Amendments of 1990) and the proper service equipment is required for the
installation of the air conditioning repair kits.
This inspection and repair are covered under the Altec Warranty Policy and can be performed by
Altec, the customer, or the customer’s warranty provider. Altec will perform the repair for free
at an Altec facility. If the customer, or the customer’s warranty provider performs the repair, a
warranty claim must be submitted to be reimbursed for the cost of the inspection, the parts and/
or labor. Altec will allow up to $90 for the labor to perform the inspection and a maximum of
$720 to complete this repair. Call 1-877-GO ALTEC (1-877-462-5832) to schedule the work to
be done by an Altec service technician. Customers are responsible for the travel costs of an Altec Mobile Service technician if the technician performs the inspection or repair at the owner’s
location. If evacuation of the air conditioning lines is required, the unit must go to a properly
equipped shop for repair.
Inspection labor
Repair labor
Repair labor
Account #
Travel
NHTSA code
Prime fail P/N
Doc ref
Altec Use Only
1.0 hr
2.0 hr for fitting adjustment
6.0 hr for fitting replacement
010.0788.52362.733.0000.000
Not Included
06
n/a
074900712
Parts Kit
Part Number Qty
AC Connection Repair Kit
990877593
1
AC Repair and Routing Kit 991071498
1
Page 1 of 5
Warranty
Yes
Yes
SIL 742
Inspection Procedure
Normal mechanics’ hand tools are required for the inspection. Only certified technicians can perform repairs on the air conditioning system if the system requires service. Read and understand
all steps of the instructions beginning the procedure.
1. Position the unit on a level surface, apply the parking brake and chock the wheels.
2 . Remove the seven cap screws holding the bottom of the
black plastic fenderette (mud guard) (refer to Figure 1)
on the curb side wheel well.
Fenderette
3. Remove the two cap screws on the upper part of the
curb side wheel well guard towards the engine.
4. Use a push pin pliers or a flathead screwdriver to remove the plastic push pins in the wheel well guard.
5. Remove the fenderette by gently pulling it down and
away from the chassis.
Wheel Well
Guard
Figure 1 — Wheel Well Components
6. Gently pull the wheel well guard down and away from the chassis to remove it.
7. Inspect the condition and routing
of the air conditioning hoses along
the curb side of the chassis (refer to
Figure 2).
8. Look for interference and damage
to the hoses and fittings where the
air conditioner hoses are close to
other chassis components (refer to
Figures 3, 4 and 5). Use the Decision Chart on page 4 to assist in
determining what action is required.
• If there is evidence of hose
interference, order the AC Repair
and Routing Kit, part number
991071498. Reroute and protect
Figure 2 — Air Conditioning Hoses and Tubing
the air conditioner hose(s) to
(outlined in white)
eliminate the interference, if
possible. Hold them in position using cable ties.
• If there is evidence of air conditioner hose interference that requires the loosening of
hose fitting(s) to move the air conditioner hoses, order the AC Repair and Routing Kit,
part number 991071498.
• If there is evidence of air conditioner hose or fitting damage that requires the loosening of
fitting(s) to replace air conditioner hoses, order AC Connection Repair Kit, part number
990877593 and the AC Repair and Routing Kit, part number 991071498.
Page 2 of 5
SIL 742
Fitting
interfering
with hose
Inspection
Area
Inspection
Area
Hose rubbing
on shock
absorber stud
Figure 2 — Possible Interference
Figure 3 — Possible Hose Damage
9. After determining the required action after the
inspection, reinstall the curb side wheel well guard
and fenderette.
10. Complete the inspection sheet at the end of the SIL
showing the completion of the inspection and return
it to Altec.
11. Return the unit to service.
Hole from two
components
rubbing
together
Figure 4 — Damaged Hose
Page 3 of 5
SIL 742
SIL 742 Decision Chart
Inspect air conditioning hoses
Hose Condition
Good condition and
routed without
interference
Hoses damaged
Good condition but routed
with interference
Reroute hoses without
loosening or disconnecting
Yes
No
Repairs require a
certified technician
Order Kit P/N
991071498
Requires loosening of
hose connections
Requires replacement
of hoses
Order Kit
991071498
Order Kits
990877593
and
991071498
Complete Repair
Complete and return
card to Altec
Page 4 of 5
SIL 742
SIL 742 Inspection Sheet
Complete this form and return to Altec to document inspection completion.
Choose one of these options.
• Online through the customer portal – Altec Connect*
Sign in or Register for an account at www.altec.com/altec-connect/
1. Select Equipment
2. Select Altec Product Notices
3. Select Report a Completed APN
• Scan and Email to [email protected]
• FAX to 1-877-659-9929
*Customer performed warranty can be submitted online for reimbursement
through Altec Connect.
Model
Altec Unit
Serial Number
Air Conditioner Hose is Damaged
Yes
No
To login to your existing
Altec Connect account,
scan here with your
smart phone!
Date Inspected
Company Name: _______________________________________________
Phone____________________________
Service Company Name:_________________________________________
Phone:___________________________
Company Contact: _________________________________________________________________________________
Company Street Address:_____________________________________________________________________________
State:_________________________________________________________ZIP Code:____________________________
Signature:_____________________________________________________
Submission of this form does not order parts or schedule service from Altec.
If the customer or the customer’s warranty provider performs the repair, a warranty claim must
be submitted to be reimbursed for the cost of the parts and/or labor through Altec Connect.
For more information or to schedule the work to be done by an Altec Service technician, call:
1-877-GO ALTEC (1-877-462-5832)
Make copies of this form for additional units if needed.
Page 5 of 5
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TSB/Document ID: SIL 742
Replacement Service Bulletin Number:
MFR Communication Date: 2020-04-23
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: EQUIPMENT
MFR Component System:
MFR Component Subsystem:
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