SEAL 1484685 - Caterpillar

Caterpillar: Confidential Yellow
BOLTS THAT HOLD THE TRANSMISSION DIRECTIONAL CLUTCH CASE & TRANSFER HOUSING TO THE FLYWHEEL HOUSING OF ENGINE NEED TO BE CHE CKED FOR THE CORRECT TORQUE & TIGHTENED IF NECESSARY ON CERTAIN 12G, 14G, 16G, 120G, 130G, & 140G MOTOR GRADERS - PI3427 US, CANADA, COFA, COSA, LIMITED CACO, CFEL
  The information supplied in this service letter may not be valid after the termination date of this program.   Do not perform the work outlined in this Service Letter after the termination date without first contacting your Caterpillar product analyst.
U-167 A-114.1 AU-112 E-76.1 O-103 PRIORITY 3000, 3150 PI3427 COMPLETION DATE Termination Date
February 28, 1990 August 31, 1990
Problem
The bolts that hold the transmission directional clutch case and transfer housing to the flywheel housing of the engine may not be tightened to the correct torque on certain 12G, 14G, 16G, 120G, 130G, and 140G Motor Graders. These bolts need to be checked for the correct torque and tightened if necessary.
Affected Product
Model Identification Number 12G 61M13197-13246 3WC1273-1280 14G 96U7657-7661 16G 93U2943-2952 120G 87V8992-9004 130G 74V2446-2450 140G 72V12094-12137, 12139-12158, 12160-12175, 12177-12189, 12191-12193, 12195
Parts Needed
Not Applicable
Action Required
Check the bolts that hold the transmission directional clutch case and transfer housing to the flywheel housing of the engine. See the Illustrations. If the bolts are not tightened to the correct torque, tighten them to 32 +/- 5 Lb Ft on 12G, 120G, 130G, and 140G Motor Graders; and to 50 +/- 10 Lb Ft on 14G, and 16G Motor Graders. ****** IMAGE: SEBE4118.00001.001 CAPTION: Illustration - Location Of Bolts ****** IMAGE: SEBE4118.00001.002 CAPTION: Illustration 2 12G, 120G, 130G, and 140G ******