Throttle pedal hinge pin may break on Off-Highway Trucks, Quarry Trucks, and Wheel Tractor-Scrapers Caterpillar


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Throttle pedal hinge pin may break on Off-Highway Trucks, Quarry Trucks, and Wheel Tractor-Scrapers [TIBU4590]
OPERATOR STATION
CONTROL GP-ACCELERATION

CONFIDENTIAL TIBU4590-00

TECHNICAL INFORMATION BULLETIN

June 29, 2005

Off-Highway Truck/Tractor

 

 

 

 

 

Quarry Truck

Wheel Tractor-Scraper

769D (BBB)

773E (BDA)

777D (AGC)

785C (APX, 5AZ)

789C (2BW)

793C (ATY)

797B (JSM)

771D (BCA)

775E (BEC)

621G (ALP, CEN, DBB)

623G (ARW, CES, DBC)

627G (AXF, CEX, DBD)

631G (AWK, AXZ, CLR)

637G (AXT, CEH)

 

Component Code(s) 1276

 

SUBJECT: Throttle pedal hinge pin may break on Off-Highway Trucks, Quarry Trucks, and Wheel Tractor-Scrapers

 

PROBLEM:

The plastic hinge pin that is used on the following throttle pedals can wear and break, causing the pedal to separate from the base.

    • 113-4799
    • 201-8616
    • 139-7738
    • 148-5741
    • 130-8176

 

SOLUTION:

The plastic hinge has been replaced with a steel hinge pin, nylon bushings, and retainer clips. This change is effective with machines built after April 2005 (see Table 1). A service kit with the steel pin will be available for servicing older pedals in the near future.

 

Table 1.

Effective Serial Numbers

Product Family

Sales Model

Effective Serial Number

OHT

769D

BBB0514

 

773E

BDA0828

 

777D

AGC0183

 

785C

APX0627

 

789C

2BW0829

 

793C

ATY0865

Quarry Truck

771D

BCA0360

 

775E

BEC0528

 

COPYRIGHT 2005 AVSpare
ALL RIGHTS RESERVED

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