Hitachi CS 33EB Handling Instructions Manual page 15

SHARPENING ANGLES FOR SHARPENING SAW CHAIN
1. Part Number
2. Pitch
3. Depth Gauge Setting
4. Side Plate Filing Angle
5. Top Plate Angle
6. File Guide Angle
Maintenance schedule
Below you will fi nd some general maintenance instructions. For
further information please contact Hitachi Authorized Service
Centers.
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 bar nuts are suffi ciently tightened.
○ Make sure that the chain transport guard is undamaged and that
it can be securely fi tted.
○ Check that nuts and screws are suffi ciently tightened.
○ Check the tip of the 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 starter, especially cord and return spring.
○ 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.
○ Clean the cooling fi ns on the cylinder and check that the air
intake at the 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.
○ Clean the fan and the space around it.
○ Clean the muffl er of carbon.
NOTE
When ordering the parts to your nearest dealer, please use the
item numbers showing on the parts breakdown section in this
instruction.
91VG / 91PX
3/8"
0.025"
MODEL
80°
NO.
OREGON
30°
90°
MODEL
NO.
E&S
LENGTH-
BAR NO.
TYPE
26779 300 mm (12")
26780 350 mm (14")
160NDEA041 400 mm (16")
120SDEA041 300 mm (12")
140SDEA041 350 mm (14")
160SDEA041 400 mm (16")
26779 300 mm (12")
26780 350 mm (14")
160NDEA041
400 mm (16")
120SDEA041 300 mm (12")
140SDEA041 350 mm (14")
160SDEA041 400 mm (16")
PO12-50CR 300 mm (12")
PO14-50CR 350 mm (14")
PO16-50CR 400 mm (16")
PO12-50CR 300 mm (12")
PO14-50CR 350 mm (14")
PO16-50CR 400 mm (16")
CHAIN NO.
NOSE-TYPE
(OREGON)
NON-ARMOR 91VG-045
NON-ARMOR 91VG-052
NON-ARMOR 91VG-057
SPROCKET 91VG-045
SPROCKET 91VG-052
SPROCKET 91VG-057
NON-ARMOR 91PX-045
NON-ARMOR 91PX-052
NON-ARMOR 91PX-057
SPROCKET 91PX-045
SPROCKET 91PX-052
SPROCKET 91PX-057
SPROCKET 91VG-045
SPROCKET 91VG-052
SPROCKET 91VG-057
SPROCKET 91PX-045
SPROCKET 91PX-052
SPROCKET 91PX-057
15