Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 225 bulletins for ALTEC
SIL 796
Apr 9, 2021
350000 EQUIPMENT
Altec has discovered that cracks might have formed in the yoke of the platform assembly on some AC40 cranes equipped with a personnel platform built between February 2014 and November 2020. Although the cracks do not compromise the structur
SIL 797
Apr 6, 2021
350000 EQUIPMENT
Certain LR7 aerial devices sold between September 2020 and November 2020 might have a trailer plug wiring configuration that was specified in the purchase order to supply a constant 12+ volts to pin 6. If you intend to pull a trailer that i
SIL 788
Mar 19, 2021
160000 STRUCTURE
Altec has discovered that the cast aluminum bumper support brackets used by Freightliner on some affected units have cracked in the field. This can cause a lack of proper support for the front bumper and the cab guard on the vehicle. Altec
SIL 790
Mar 19, 2021
040000 SERVICE BRAKES, AIR
It has been discovered that some hydraulic lines installed by Altec may be in contact with chassis air brake line(s). Some DOT inspections have considered this to be a violation of federal regulation 49 CFR A? 393.45 b 2. Over time, chafing
CRS 512
Mar 16, 2021
060000 ENGINE AND ENGINE COOLING
Cummins has launched a customer satisfaction campaign for certain Cummins B6.7 diesel engines produced between August 26, 2020 and October 5, 2020, that may have been installed. Some of the affected vehicles may contain engine valve spring
CSR 510
Mar 12, 2021
061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
Cummins Inc. has decided that a defect that relates to motor vehicle safety exists in certain B6.7 diesel engines manufactured between December 16, 2015, and March 24, 2020, and equipped with fuel module option FS90301 or FS90453. Cummins
CSR 511
Mar 12, 2021
061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
Certain B6.7 diesel engines manufactured between December 16, 2015 and March 24, 2020 and equipped with fuel module option FS90301 or FS90453 were either delivered with a heater plug in place of the fuel heater, or your vehicle is subject t
CSR 509
Mar 5, 2021
060000 ENGINE (PWS)
Ford Motor Company has decided that a defect which relates to motor vehicle safety exists in certain 2021 model year Econoline Ford E-350 and E-450 equipped with a 7.3L engine and a factory engine cover built between May 11, 2019 and Novemb
SIL 794
Feb 26, 2021
020000 SUSPENSION
Altec discovered that one of the fasteners used to attach the rear shear plate on the subbase of the unit to the chassis can contact the chassis suspension U-bolt. The fastener can be a HuckBolt or a hex bolt and nut. Movement of the U-bolt
CSR 507
Feb 25, 2021
251000 ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC)
Daimler Trucks North America LLC, on behalf of its Freightliner Trucks Division and wholly-owned subsidiary, Western Star Truck Sales Inc., has decided that a defect which relates to motor vehicle safety exists on specific model year 2011 t
SIL 785
Feb 25, 2021
110000 ELECTRICAL SYSTEM
Altec has discovered that affected units may not have a PTO request wire properly connected to the transmission control module. Without this wire installed, the chassis may not produce the hydraulic pressure required for proper PTO clutch p
CSR 508
Feb 24, 2021
200000 WHEELS
Daimler Trucks North America LLC (DTNA), on behalf of its Freightliner Trucks Division and wholly-owned subsidiary, Western Star Truck Sales Inc., has decided that a defect which relates to motor vehicle safety exists on specific model year
CSR 506
Feb 23, 2021
110000 ELECTRICAL SYSTEM
Altec has been notified of a recall campaign by Daimler Trucks North America, LLC (DTNA). DTNA, on behalf of its Freightliner Trucks Division, has decided that a defect that relates to motor vehicle safety exists on specific model year 201
SIL 780
Feb 17, 2021
010000 STEERING
Altec has discovered that the EZ Trac hydraulic all-wheel drive (AWD) system may have been improperly installed on some units. Incorrect steering adjustments can cause the front wheels to oversteer. This can damage the steering stop bolts,
SIL 782
Jan 29, 2021
160000 STRUCTURE
There may be inadequate weld fusion between the boom extension cylinder rod and rod end on the affected units. This can lead to failure of the weld. Altec has developed a process to have the cylinder rod end attachment repaired by the cylin
SIL 783
Jan 29, 2021
160000 STRUCTURE
Structural cracking has been observed where the primary leveling cylinder mounting pin is welded to the lower boom side plate on LS 40/45/55 aerial devices. Failure of this connection could disable the hydraulic platform leveling system. Al
SIL 786
Jan 25, 2021
162310 STRUCTURE:BODY:DOOR:HINGE AND ATTACHMENTS
Some aluminum body doors and box lids require excessive force and may make a popping sound when being opened and closed. Certain bodies are equipped with doors or box lids that contain aluminum hinge rods going through metal hinges that are
SIL 781
Jan 22, 2021
160000 STRUCTURE
The receiver hitch capacity and warning placards were not installed on the affected units. Use of the hitch at loads higher than the design ratings due to the lack of these placards can overload the receiver tube, resulting in damage to the
SIL 764
Jan 15, 2021
160000 STRUCTURE
Altec has discovered that the protective fabric hose sock in the upper boom hose carrier on the affected units can become unsecured and slip out of place. This can expose the fiber optic lines to damage, resulting in intermittent operation
SIL 776
Jan 5, 2021
350000 EQUIPMENT
Regular replacement of the return line hydraulic filter is required as part of the periodic maintenance on an aerial device. Altec has discovered that on the affected units the hydraulic reservoir was mounted in a location that does not all
SIL 779
Dec 23, 2020
350000 EQUIPMENT
Altec has discovered that the protective fabric hose sock used on the hoses running from the fiberglass upper boom to the platform may extend into the insulating portion of the upper boom. This can cause the dielectric performance of the un
SIL 757
Dec 15, 2020
160000 STRUCTURE
Altec has discovered that the fiberglass upper boom on some affected units was manufactured incorrectly. This can affect the long-term reliability of the boom. Altec requires that each unit be inspected for proper upper boom dimensional s
SIL 777
Dec 10, 2020
110000 ELECTRICAL SYSTEM
Altec has discovered that the fuse for the main contactor in the L JEMS system on the affected units can be undersized. A 250 amp fuse may have been installed instead of the required 400 amp fuse. This can cause repeated blowing of the fuse
SIL 771
Nov 9, 2020
110000 ELECTRICAL SYSTEM
Below Rotation Valve Driver (BRVD), Above Rotation Valve Driver (ARVD), and CAN bridge circuit boards on Altec derricks require the use of a clear potting compound so diagnostic light emitting diodes (LEDs) on the boards are visible for tro
CSR 502
Sep 14, 2020
010000 STEERING
AxleTech Steering Shaft Replacement/Update Altec has been notified of a customer satisfaction campaign by AxleTech/Meritor for certain Freightliner units equipped with an AxleTech Independent Front Suspension (IFS) system. Units with t