Filter
Top Products
633GC OPERATOR’S MANUAL
18
© 2007 ICS, Blount Inc. P/N 70944 Jan 07
AIR FILTER
The air filter is made from a nylon micro mesh air filter and an
internal spit-back screen. Both must be kept clean for the engine
to operate properly. If the saw is not reaching full RPM, most
likely one or both of the air filters are dirty.
IMPORTANT
• The air filter (Figure 1) should be free of holes and white in
color.
• Replace air filter when dirty.
• The spit-back screen (Figure 2) should be free of holes and be
white in color. Clean with mild solvent or gasoline and dry with
high pressure air. If spit-back screen is dirty the saw will not
reach full RPM.
• During re-assembly, tighten air filter wing-nut "finger tight" plus
an 1/8" of a turn with wrench.
STARTER HOUSING ASSEMBLY
It is common for concrete slurry to get inside the starter housing
assembly during cutting. This can cause the starter pawls to stick
and not engage when the rope is pulled.
IMPORTANT
• After each usage, thoroughly flush the starter housing
assembly with water.
• Oil the recoil spring by spraying lightweight oil into the port
(Figure 3).
• Oil the starter pawls by spraying lightweight oil into the starter
housing through the vents.
• Check the starter cord for fraying, replace if necessary.
Figure 1
Figure 3
Figure 2
MAINTENANCE
Oil port