Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 225 bulletins for ALTEC
SIL 644
Sep 29, 2017
357100 EQUIPMENT:APPLIANCE:AIR CONDITIONER
This service information letter (SIL) requires the compressor for the HVAC system be recharged and a fuse in the system be replaced. Some units had compressors' that were over charged causing the AC system not to properly operate.
SIL 645
Sep 29, 2017
111000 ELECTRICAL SYSTEM:12V/24V/48V BATTERY
This service information letter (SIL) requires replacement of the system BMS (Battery Management System) for improved battery charging and reliability. Some battery modules may have had components that were not properly soldered.
SIL 657
Sep 22, 2017
356000 EQUIPMENT ADAPTIVE/MOBILITY
This service information letter (SIL) explains four different product improvements that Altec recommends be added to each affected unit.
SIL 658
Aug 4, 2017
030000 SERVICE BRAKES, HYDRAULIC
This service informaiton letter (SIL) notified the customer to 1) inspect the hydraluic oil return line filer to ensure it is properly installed and 2) to inspect the unit serial number placard for the correct GVWR rating.
SIL 659
Jul 11, 2017
350000 EQUIPMENT
This service information letter (SIL) requires installation of an improved hydroelectric lower control station selector valve. Earlier versions of the valve can fail to shift or operate in some situations.
SIL 632
Apr 14, 2016
210000 TRAILER HITCHES
Altec is issuing this SIL to inform customers of the recommendations by the above chassis manufacturers regarding the proper storage of the front recovery tow hitch. Each tow hitch is mounted in a socket attached to the frame and is held
SIL 630
Mar 29, 2016
350000 EQUIPMENT
The rotary joint used on the affected units may leak due to a plumbing error when the unit was manufactured. A correction has been made in production to eliminate the issue. Altec requires the affected units be inspected no later than the
SIL 618
Mar 9, 2016
110000 ELECTRICAL SYSTEM
Altec Industries, Inc. has developed a product improvement which relates to certain DLB, DMB, and D2000B, D3000B, D4000B Series Derrick Units equipped with radio controls
SIL 631
Mar 4, 2016
162100 STRUCTURE:BODY:STEP/LADDER
A change in the specifications for the side access ladder (refer to Figure 1) resulted in the possibility that the ladder can separate from the track under certain conditions. Altec requires that the affected units be inspected for the dim
SIL 622
Nov 17, 2015
251000 ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC)
Altec has received some reports of upper boom drifting on some of the above listed units. Investigation found the cause to be contamination trapped in the bottom upper boom drive cylinder by-pass valve. Depending on the position of the boom
SIL-621
Oct 6, 2015
350000 EQUIPMENT
ALTEC: TSB CONTAINS AN OWNER'S NOTIFICATION LETTER. SELECT DOCUMENT SEARCH BUTTON BELOW. INFORMATION IS BEING PROVIDED REGARDING THE RELIABLE PRODUCTS AND COMPONENTS, FOR INSPECTION AND REPAIR AND SOFTWARE UPDATED TO IMPROVE OPERATION OF
0115ET0716
Aug 21, 2015
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
SUMMARY TO BE PROVIDED ON A FUTURE DATE.
CSN-624
Aug 21, 2015
350000 EQUIPMENT
ALTEC: TSB CONTAINS AN OWNER'S NOTIFICATION LETTER. SELECT DOCUMENT SEARCH BUTTON BELOW. A NEW WINCH DRUM COVER HAS BEEN DEVELOPED TO PREVENT WINCH ROPE FROM BEING PINCHED AND/OR BROKEN CAUSING LOAD TO DROP SUDDENLY. MODEL DB37. NO YEA
AC45-127S
Aug 20, 2015
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SIL-608
Aug 20, 2015
356000 EQUIPMENT ADAPTIVE/MOBILITY
ALTEC: AN IMPROVEMENT PRODUCT KIT HAS BEEN DEVELOPED FOR AFFECTED UNITS WITH RELIABLE AND SAFE PRODUCTS FOR LIFTING OPERATIONS BY CERTIFIED AND QUALIFIED CRANE OPERATORS. MODEL AC45-127S. NO MODEL YEARS LISTED. *PE
SIL-615
Jul 1, 2015
350000 EQUIPMENT
ALTEC: TSB CONTAINS A NOTIFICATION OF AN OWNER LETTER. SELECT DOCUMENT SEARCH BUTTON BELOW. INFORMATION PROVIDED REGARDING THE PRODUCT IMPROVEMENTS RELATED TO DRM12 CHIPPER AND PARTS WILL BE SUPPLIED. *PE
SIL 607
Dec 1, 2014
092100 FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP
ALTEC: SEE DOCUMENT SEARCH BUTTON FOR OWNERS LETTER. INFORMATION REGARDING PUMP CLUTCH CASE DRAIN IMPROVEMENT. *LJ
SIL-606
Dec 1, 2014
350000 EQUIPMENT
ALTEC: PRODUCT IMPROVEMENT INFORMATION IS PROVIDED REGARDING PARTS THAT WILL BE COVERED ON CERTAIN PM CRANES THAT MANUFACTURER HAD INSTALLED. *PE
SIL-607
Dec 1, 2014
350000 EQUIPMENT
ALTEC: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. PRODUCT IMPROVEMENT INFORMATION PROVIDED REGARDING PRINOTH TRACK CARRIERS THAT HAVE MOUNTED CRANES AND DERRICK UNITS. *PE
SIL606
Dec 1, 2014
062300 ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS
ALTEC: SEE DOCUMENT SEARCH BUTTON FOR OWNERS LETTER. INFORMATION REGARDING HIGH PRESSURE HOSE REPLACEMENT . *LJ
CSC-1317-12
Jul 18, 2014
356000 EQUIPMENT ADAPTIVE/MOBILITY
ALTEC: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. A PRODUCT MODIFICATION HAS BEEN DEVELOPED DUE TO AIR INTAKE TUBE RUBBING ON THERMOSTAT HOUSING CAP SCREW HEAD, UNDER ENGINE COVER. MODEL DC1317 CHIPPER, DRM12 CHIPPER. *PE
CSN-587
Mar 26, 2014
350000 EQUIPMENT
ALTEC: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. UNITS HAVE BEEN MANUFACTURED WITH INCORRECT SPECIFICATIONS (SERRATION PATTERN) AND FAILS TO ATTACH SECURELY TO CHIPPER DRUM WHEN INSTALLED AND NEEDS REPLACING. *PE
SIL-593
Mar 6, 2014
356000 EQUIPMENT ADAPTIVE/MOBILITY
ALTEC: DUE TO MOVEMENT OF LEVELING IN LOWER BOOM WHEN TRAVELING, CAUSES SCUFF MARKS ON THE FIBERGLASS LEVELING RODS AND A KIT WAS DEVELOPED TO PROVIDE NEW BOOM BACKING PLATE THAT MOUNTS INSIDE OF LOWER BOOM. *PE
CSN-590
Jan 17, 2014
350000 EQUIPMENT
ALTEC: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. ON CERTAIN UNITS, A WELD BETWEEN VERTICAL AND HORIZONTAL PARTS OF POLE CARRIED HAS FAILED, CAUSING POLE TO FALL AND BE DISCONNECTED FROM CARRIER. *PE
SIL-589
Jan 10, 2014
350000 EQUIPMENT
ALTEC: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. WHERE THE LOWER BOOM ATTACHES TO UPPER BOOM CYLINDER ANCHOR, CRACKS HAS DEVELOPED AROUND IT AND WOULD NEED TO BE INSPECTED ON EACH UNIT. *PE