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633GC OPERATOR’S MANUAL
20
© 2007 ICS, Blount Inc. P/N 70944 Jan 07
CHAIN TENSIONER
The chain tensioner (Figure 2) 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 (27Nm).
• Chain tensioning is attempted without loosening the side cover
nuts.
• Concrete debris in tensioner pocket.
Figure 2
Chain
Tensioner
MAINTENANCE
STARTER HOUSING ASSEMBLY
• To reattach the starter housing, first pull the starter cord out,
then hold the starter housing against the crankcase (Figure 1).
Slowly release the starter cord to enable the pulley to fit
between the pawls.
• Insert and tighten the screws. Use blue Loctite
®
#242.
Figure 1