Charging System - Improved Cooling For IC Regulator
83toyota4REFERENCE: ELECTRICAL
NUMBER: 010
DATE: 11-30-83
MODEL: SV1#, AE8#, MA67, MX6#, YR2#
TITLE
IMPROVED COOLING FOR ALTERNATOR IC REGULATOR
To improve cooling efficiency, the cooling fins of the IC regulator have been made longer as illustrated below..
PRODUCTION EFFECTIVE:
Alternator Lot Number Alternator Production Date
SV1# 5C02 May 1983 (ATM For USA)
AE8# 7C21 July 1983
MA67 7C21 July 1983
MX6# 7C21 July 1983
YR2# 7C21 July 1983
From Frame Number
JT2SV1#**D0043014 June 1983 (for alternator 27060-63020)
JT2AE82**D0011935 September 1983
JT2AE82**D3006770 September 1983
JT2MA67**D0102245 September 1983
JT2MX62**D0087822 September 1983
JT2MX63**D0040757 September 1983
JT3YR2#**D5000937 September 1983
PART NUMBER INFORMATION:
Previous Part Number New Part Number Part Name
27700-63020 27700-63021 Regulator assy, generator
NOTE: 1) The new part (27700-63021) is not interchangeable with the previous regulator. However, after February 1983 production and after alternator lot number 2C**, it is interchangeable due to a change to the rear end cover to avoid interference between the IC regulator and cover.
2) The alternator assembly part number has not been changed.