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Hitachi CS33EB Manual

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14
English
Oiler port (Fig. 31)
Clean the chain oiler port (39) whenever possible.
Guide bar (Fig. 32)
Before using the machine, clean the groove and oiler port (40) in the
bar with the special gauge off ered as an optional accessory.
Side case (Fig. 33)
Always keep the side case and drive area clean of sa
w dust and
debris. Periodically apply oil or grease to this area to protect from
corrosion as some trees contain high levels of acid.
Fuel fi lter (Fig. 34)
Remove the fuel fi lter from the fuel tank and thoroughly wash it in
solvent. After that, push the fi lter into the tank comple
tely.
NOTE
If the fi lter is hard due to dust and dirt, replace it.
Chain oil fi lter (Fig. 35)
Remove the oil fi lter and thoroughly wash it in solvent.
CHAIN SHARPENING
Parts of a cutter (Fig. 36, 37)
WARNING
○ Gloves should be used when sharpening chain.
○ Be sure to round off the front edge to reduce the chance of
kickback or tie-strap breakage.
41. Top plate
42. Working corner
43. Side plate
44. Gullet
45. Heel
46. Chassis
47. Rivet hole
48. To e
49. Depth gauge
50. Correct angle on top plate (degree of angle depends on chain
ty
pe)
51. Slightly protruding “hook” or point (curve on non-chisel chain)
52. Top of depth gauge at correct height below top plate
53. Front of depth gauge rounded off
LOWERING DEPTH GAUGES WITH A FILE
1) If you sharpen your cutters with a fi le holder, check and lo
wer the
depth.
2) Check depth gauges every third sharpening.
3) Place depth gauge tool on cutter. If depth gauge projects, fi le
it level with the top of the tool. Always fi le from the inside of the
chain toward an outside cutter. (Fig. 38)
4) Round off front corner to maint
ain original shape of depth gauge
after using depth gauge tool. Always follow the recommended
depth gauge setting found in the maintenance or operator
manual for your saw. (Fig. 39)
GENERAL INSTRUCTIONS FOR FILING CUTTERS
File (54) cutter on one side of the chain from the inside out. File on
forward strok
e only. (Fig. 40)
5) Keep all cutters the same length. (Fig. 41)
6) File enough to remove any damage to cutting edges (side plate
(55) and top plate (56)) of cutter. (Fig. 42)
SHARPENING ANGLES FOR SHARPENING SAW CHAIN
1. Part Number 91VG
2. Pitch 3/8″
3. Depth Gauge Setting 0.025″
4. Side Plate Filing Angle 80°
5. Top Plate Angle 30°
6. File Guide Angle 90°
Maintenance schedule
Below you will fi nd some general maintenance instructions. For
further information please contact HITACHI dealer.
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 sa
w 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.
Especially inspect the bolt of muffl er and ensure tha
t they are
properly tightened before starting engine. Should any of the
bolts be loose, retighten them immediately. Failure to do so
could result in serious hazard.
○ Check the tip of the bar. Please exchange it for the new one
when it is worn out.
○ Ch
eck the band of chain brake. Please exchange it for the new
one when it is worn out.
Weekly maintenance
○ Check the 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 starter is not clogged.
○ Clean the air fi lter.
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 muffl er of carbon.
CAUTION
Cleaning of cylinder fi ns, fan and muffl er shall be done by a
HITACHI Authorized Service Center.
NOTE
When ordering the parts to your nearest dealer, please use the
item number
s showing on the parts breakdown section in this
instruction.
BAR NO.
LENGTH-
TYPE
NOSE-
TYPE
CHAIN
NO.
(OREGON)
MODEL
NO.
E&S
PO12-50CR
PO14-50CR
PO16-50CR
12″
14″
16″
SPROCKET
SPROCKET
SPROCKET
91VG – 045X
91VG – 052X
91VG – 057X
MODEL
NO.
OREGON
120SDEA041
140SDEA041
160SDEA041
26779
26780
160NDEA041
12″
14″
16″
12″
14″
16″
SPROCKET
SPROCKET
SPROCKET
NON-ARMOR
NON-ARMOR
NON-ARMOR
91VG – 045X
91VG – 052X
91VG – 057X
91VG – 045X
91VG – 052X
91VG – 057X
000Book_CS33EB_WE.indb 14000Book_CS33EB_WE.indb 14 2010/11/30 11:09:312010/11/30 11:09:31
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