SERVICE LETTER SUPPLEMENT FOR JUNE 27, 1989 SL - PSP FOR EXCESSIVE AIR SIDE PLUGGING OF FOLDED CORE RADIATORS IN CER TAIN D6H, D7H, D8N TRACTORS - PS0390 - MAILED US AND CANADA, CACO, COFA, CFEL, COSA - REVISED 01/92 Caterpillar

August 23, 1991
(Revised January 1992)
U-160
A-122
AU-106
E-108
O-123
SERVICE LETTER SUPPLEMENT
NOTE: This Revised Service Letter Supplement replaces the August 23,
1991 Service Letter Supplement. A changes was made to the
Termination Date.
Some information needs to be changed in the Service Letter which follows:
June 27, 1989 (Revised July 1990) - PS0390; Product Support Program For
Excessive Air Side Plugging Of Folded Core Radiators In Certain D6H, D7H, D8N
Tractors; And 966D/966E Loaders
In the Title, Problem, Affected Product, and Service Claim Allowances; remove
all reference to 966D and 966E Loaders. These loaders are no longer included
in this Program.
Under the heading Termination Date, change the date to June 30, 1992.
Under the heading Parts Needed, add the following:
... Substitute the 4P0894 Core for the 7E0830 Core.
... Also, substitute the 4P9942 and 4P9943 Seals for the 9Y1654 and 9Y1655
Seals and the 7E2308 Supports.