A/T - 3254L Updated Check Valve Prevents Delayed Engage
SIL 85-4SUBJECT: 325-4L
The part number for the cose check valve to Prevent delayed engagement when cold has been changed. Refer to ATRA TSB 84-25.
CHECK VALVE
Old number 8639810
New number 8635971
The use of this check valve replaces the use of the filter with the check valve, which is no longer available.
If delay problems persist, refer to SIL 84-13 for a new pressure regulator valve sleeve part # 8635967.