GBC AdvancedPunch - Timing Belt Inspection

Maintenance
Advanced Punch Service Manual © Copyright 2009 GBC. All rights reserved. 1-31
1.4.19 Timing Belt Inspection
Maintenance Schedule
Inspect every 750K cycles.
Procedure
Inspect all timing belts for wear, missing teeth, frayed edges, and cracks. For
replacement, see Belt Replacement on page 4-69.
Check for proper deflection of belts. The belts should be slightly loose with
approximately 1/4” deflection [1]. Belts that are too loose will not drive properly
and belts that are too tight can wear out prematurely or damage their driven
components. Five belts have tensioners, it is these five belts that should be
checked.
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