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Daily maintenance
○ Clean the exterior of the unit.
○ Clean the chain oil fi lter port.
○ Clean the groove and oil fi lter port in the guide bar.
○ Clean the side case of saw dust.
○ Check that the saw chain is sharp.
○ Check that the guide bar clamp nuts are suffi ciently tightened.
○ Make sure that the guide bar cover is undamaged and that it can
be securely fi tted.
○ Check that nuts and screws are suffi ciently tightened.
○ Check the tip of the guide bar. Please exchange it for the new
one when it is worn out.
○ Check the band of chain brake. Please exchange it for the new
one when it is worn out.
○ Clean the air fi lter.
Weekly maintenance
○ Check the recoil starter, especially cord.
○ Clean the exterior of the spark plug.
○ Remove the spark plug and check the electrode gap. Adjust it to
0.6 mm or change the spark plug.
○ Check that the air intake at the recoil starter is not clogged.
Monthly maintenance
○ Rinse the fuel tank with gasoline, and clean fuel fi lter.
○ Clean chain oil fi lter.
○ Clean the exterior of the carburetor and the space around it.
Quarterly maintenance
○ Clean the cooling fi ns on the cylinder.
○ Clean the fan and the space around it.
○ Clean the carbon of muffl er.
CAUTION
Cleaning of cylinder fi ns, fan and muffl er shall be done by
HiKOKI Authorized Service Centers.
NOTE
When ordering the parts to HiKOKI Authorized Service Centers,
please use the item numbers showing on the parts breakdown
section in this instruction.
LENGTH-
BAR NO.
MODEL
PO12-50CR
NO.
PO14-50CR
E&S
PO16-50CR
120SDEA041
140SDEA041
MODEL
160SDEA041
NO.
26779
OREGON
26780
160NDEA041
16
NOSE-
CHAIN NO.
TYPE
TYPE
(OREGON)
12"
SPROCKET
91PX / 91VG – 45
14"
SPROCKET
91PX / 91VG – 52
16"
SPROCKET
91PX / 91VG – 57
12"
SPROCKET
91PX / 91VG – 45
14"
SPROCKET
91PX / 91VG – 52
16"
SPROCKET
91PX / 91VG – 57
12"
NON-ARMOR
91PX / 91VG – 45
14"
NON-ARMOR
91PX / 91VG – 52
16"
NON-ARMOR
91PX / 91VG – 57