Revision History
SM 6495, Rev. 7, December 2008 iii
Rev. Date Nature of Revision
6 June 2006 Incorporated ECO EM-1890 – Corrected the description for Part No.
J0523620003 in Tables 5-2, 5-3, and 5-4.
Incorporated ECO EM-2177 – Changed part number J0702051208 for gear
motor to N46703602 in Table 5-2.
Incorporated ECO-EM-2277A – Added new part number PN46716401 and
the description for the relay in Table 5-6.
Incorporated ECO EM-2308 – Changed the part number and name of
N46709102, Toggle Switch Assembly Retrofit to N46790104, Toggle
Switch Assembly Wires in Table 5-10.
Incorporated ECO EM-2352 – Added information on the additional
Pedestrian Mechanism relay. Added new Section 5.8, revised Table 5-9,
and revised Figure 5-14.
Incorporated ECO EM-2356B – Added Warning Label, PN M46717401 to
Table 5-11.
Incorporated ECO EM-2387 – Added parts list for the Snub Components
Upgrade kit to the manual as Table 5-16.
Incorporated ECO EM-2515A – Figure 2-6 was revised to include the latest
revision of Drawing 467173.
Incorporated ECO EM-2564, added new Section 4.3 on “severe weather
shocks” and added part number 46701402 to Tables 5-2, 5-3, and 5-4.
Added new part number N46780202 (24-Volt Vital Mechanism).
Replaced Section 3.2.10 with new procedure requiring disassembly of the
gear motor to eliminate grounds in the motor rather than just blowing the
motor out through the brush access ports.
7 December 2008 Incorporated ECO EM-3028 – Added part number N156683 to Table 5-5,
Item Number 40.
Incorporated ECO EM-2712 – Revised Tables 5-5 and 5-7. Revised
Figures 5-10 and 5-12. Electrical assemblies changed.
Incorporated ECO EM-2709 – Revised Tables 5-6, 5-8, and 5-9. Revised
Figures 5-11, 5-13, and 5-14. Gate mechanism non-vital relay cover
eliminated.
Incorporated ECO EM-2660 – Revised Table 5-17. Conversion bracket
assembly part number changed.
Incorporated ECO EM-2647 – Revised Tables 5-7 and 5-8. Resistor part
number changed.
Incorporated ECO EM-2684 – Revised Table 5-10 and Figure 5-16.
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