SCREEN INCLUDING: 5U0477 - Caterpillar

Caterpillar Dealer Suggested Customer Suggested
Parts Labor Hrs. Parts Labor Hrs. Parts Labor Hrs.
100% 1.0 0 0 0 0
This is a 1.0-hourjob. U.S. and Canadian Dealers Only - Eligibledealers may enter a Type 2 SIMS ReportPARTS DISPOSITION
Handle the parts in accordance with your WarrantyBulletin on warranty parts handling. MAKE EVERY EFFORT TO COMPLETE THIS PROGRAMAS SOON AS POSSIBLE.Attach. (1-Owner Notification)
(2-Rework Procedure)COPY OF OWNER NOTIFICATIONFOR U.S. AND CANADIAN OWNERS
XYZ Corporation
3240 Arrow Drive
Anywhere, YZ 99999SAFETY - PRODUCT IMPROVEMENT PROGRAM FOR SECURINGTHE PINS, LOCKWASHERS, AND LOCKNUTSMODELS INVOLVED - BR160, BR166, BR172, ANDBR272 BRUSH CUTTERSDear Caterpillar Product Owner:The blade retention nuts may loosen, causingthe pins that secure the blades on certain BR160, BR166, BR172, and BR272Brush Cutters to fall off. These components may not have been assembledcorrectly during manufacturing, allowing the blades to fall off duringoperation possibly causing serious injury or death. You will not be chargedfor the service performed.Contact your local Caterpillar dealer immediatelyto schedule this service. The dealer will advise you of the time requiredto complete this service. Please refer the dealer to their Service Letterdated August 25, 2005 when scheduling this service.We regret the inconvenience this may causeyou, but urge you to have this service performed for your added safetyand satisfaction.Caterpillar Inc.
Identification #(s)Attached to August 25, 2005 Service LetterRework ProcedureFor Brand New Units, Defined AsNever Delivered, or Never Used
Have the Brush Cutter removed from the carriermachine, either a skid steer loader or multi terrain loader, as per theOperation and Maintenance Manual.
Have the 3D-4904 Locknut, 271-2353 Lockwasher,264-9552 Pin and the respective blades removed from the Brush Cutter asper the Operation and Maintenance Manual
In the unlikely event that any of the above itemsis damaged, stop the repair and contact your Technical Communicator immediatelyfor instructions on how to proceed.
Clean the 264-9552 Pins, 271-2353 Lockwashers,and 3D-4904 Lock Nuts with adequate cleaner and allow hardware to dry.Before assembly, verify that there is no oil, grease, or any other contaminateson the bolts, lockwashers, locknuts, or carrier assembly hardware.
Apply 169-5464 Primer to the bolt and nut threadsper directions on the primer label.
Apply either 154-9731 (10ml) or 155-0695 (50 ml)Thread Lock in a circumferential band around the bolt threads in the entiretarget nut engagement area (first 10 threads) to ensure full coverage ofthe mating threads after tightening.
Assemble blade, bolt, lockwasher, and nut to thecarrier. Torque to 610 +/- 80Nm (450 +/- 59ft-lb).
Confirm that blades rotate freely.
Attach a "Do not Operate" warning tag, SpecialInstruction SEHS7332, to the Quick Disconnect of the Brush Cutter. AllowTWO HOURS MINIMUM CURE TIME BEFORE OPERATION OF the brush cutter, 24 hoursOF CURE TIME IS RECOMMENDED before returning to operation.
Disassembly after the thread locker hascured requires application of localized heat to the nut and bolt to approximately482 degrees F ( 250 degrees C ) and disassembly of the nut while hot.Rework Procedure
For Units Already In Operation, DefinedAs Delivered, or Already In Use.
Have the Brush Cutter removed from the carriermachine, either a skid steer loader or multi terrain loader, as per theOperation and Maintenance Manual.
Have the 3D-4904 Locknut, 271-2353 Lockwasher,264-9552 Pin and the respective blades removed from the Brush Cutter asper the Operation and Maintenance Manual. Discard the