IMPORTANT NOTE: As of 12-19-19, Great Coasters is temporarily suspending the mandatory nature of Service Bulletin HL19103140 and will send out any updates to Service Bulletin HL19103140 once the testing phase is complete (see cover letter in the bulletin attachment). Though the chain retainer portion of the bulletin is on hold, Great Coasters would like to reiterate the importance of the sections on chain inspection requirements. The bulletin file includes 1161-2200 Lift Chain Retainer Install diagram (reduced size PDF) and follow-on letter dated 12-19-19.
