© 2012 ICS, Blount International Inc. Specifications are subject to change without notice. REV020212 F/N 549305
660GC OPERATOR’S MANUAL
20
CHAIN TENSIONER
The chain tensioner (Figure 1) can become clogged with concrete
slurry during cutting. After each use thoroughly flush the chain
tensioner with water and apply a liberal amount of grease.
IMPORTANT
Most Common Causes of Tensioner Damage:
• Side cover nuts are not tight enough. Side cover nuts should
be torqued to 20 ft-lbs (27 Nm).
• Chain tensioning is attempted without loosening the side cover
nuts.
• Concrete debris in tensioner pocket.
Chain
Tensioner
Tensioner Replacement Part Number: 505393
The tensioner is intended to perform as a fuse in high load or
sudden impact situations.
IMPORTANT
MAINTENANCE
Figure 1
Summary of Contents for 660GC
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