Stihl FS 88 Instruction Manual - Page 44

Sharpening, Cutting, Tools

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Sharpening Cutting Tools t ~3 D3 ':) (") «"0' ([J r-- "'(") o ':) «"'0"' ([J r-- "'(") • Pull the shaft (3) out of the drive tube. • Use STIHL multipurpose grease 0781 120 1109 to coat dry areas of the shaft: Do not apply too much grease never pump grease into the drive tube. • If shaft has turned blue, fit a new one. • Push shaft (3) into the drive tube tum it to and fro until distance A is less than 30mm (1.2"). • Slide the drive tube into the gear head turn drive shaft (4) back and forth until mark is reached. • Line up the gear head. • Tighten down the clamp screws. 1 2 o 3 Grass cutting blade 230-4 Never straighten or weld a bent or cracked cutting blade - it might shatter and cause serious or fatal injury. • Resharpen only when all cutting edges (1) on both sides of the blade are dull: This ensures balanced wear. To avoid out-at-balance: • Resharpen the cutters (2) uniformly - do not alter the contour of the parent blade (3) in any way. • After resharpening about 5 times, have blade checked on STIHL balancer 5910 850 2600 and rebalanced as necessary. 43

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Sharpening
Cutting
Tools
D
3
1
':)
2
(")
"'
0
«
([J
r--
"'
(")
o
3
•
Resharpen only when all cutting
edges
(1)
on
both sides of the
blade are dull: This ensures
balanced wear.
Grass cutting blade 230-4
Never straighten or weld a bent or
cracked cutting blade -
it
might
shatter and cause serious or fatal injury.
o
•
Push shaft
(3)
into the drive tube -
tum it
to
and fro until distance A
is
less than 30mm (1.2").
•
Slide the drive tube into
the gear head -
turn drive shaft
(4)
back and
forth until mark is reached.
•
Line up the gear head.
•
Tighten down the clamp screws.
•
If
shaft has turned blue, fit a
new one.
•
Pull the shaft
(3)
out of the drive
tube.
•
Use STIHL multipurpose grease
0781
120
1109
to coat dry areas
of the shaft:
Do not apply too much grease -
never pump grease into the
drive tube.
t
~3
':)
'"
"'
0
«
([J
r--
"'
(")
To
avoid out-at-balance:
•
Resharpen the cutters
(2)
uniformly - do not alter the contour
of the parent blade
(3)
in
any
way.
•
After resharpening about 5 times,
have blade checked on STIHL
balancer 5910 850 2600 and
rebalanced as necessary.
43