Article 2090 - Exhaust - Interference Between Stack and Off Chassis Vertical Pipe

TSB #132 - January 30, 1970)
(Louisville Series Trucks Equipped with Dual Exhaust Stacks - 1970)

The lower brackets on the upper muffler outlet pipe shown on page 25-08-06 of the Truck Shop Manual are slotted to provide fore and aft, and side to side adjustment. Reposition the pipe to the specified clearance of approximately 1/2 inch between the I.D. of the upper muffler outlet pipe and the O.D. of the lower muffler outlet pipe.

Torque Specifications
Nut ..............Exhaust Pipe Clamps - 12-17 ft. lbs.
U-Bolts .................Cab Brackets - 31-42 ft. lbs.

PRODUCTION CORRECTION: Approximately January 5, 1970.
Reimbursable within the provisions of the Warranty & Policy Manual.
Time: Actual time as defined in the Warranty & Policy Manual, Introduction Section, page 5.

DLR. CODING: Basic Part No. 5255 - Code No. 36