User's Manual

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APPENDIX B VISUAL INSPECTION OF INDEXES
TheAmericanIndexonfarrightshowssignsoffadingfromglossyblacktoagrey
blackcolor,inthiscasetheIndexMUSTBEEXCHANGED.
Figure B.1 Fading American Index
OnaSpraguemeterifmetalrivetsarefoundontheindexplateasshownonthe
farlefttheIndexMUSTBEEXCHANGED.
Figure B.2 Metal rivets on a Sprague cover