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30
English / USA
HL 75, HL 75 K
*
see “Guide to Using this Manual”
Maintenance Chart
Please note that the following maintenance intervals apply for normal operating
conditions only. If your daily working time is longer than normal or operating
conditions are difficult (very dusty work area, resinous growth etc.), shorten the
specified intervals accordingly.
be
fo
re
st
ar
ting
w
or
k
a
fte
r f
ini
shi
n
g
w
ork or dai
ly
af
te
r ea
ch
re
fu
el
in
g s
top
w
eekl
y
mo
nt
hl
y
e
ver
y 12
m
ont
hs
if pr
obl
e
m
if d
a
m
ag
ed
a
s r
equ
ired
Complete machine
Visual inspection (condition, leaks)
X
X
Clean
X
Throttle trigger, slide control
Check operation
X
X
Air filter
Clean
X
X
Replace
X
Filter in fuel tank
Check
X
Replace
X
X
X
Fuel tank
Clean
X
Carburetor
Check idle setting
X
X
Readjust idle
X
Spark plug
Readjust electrode gap
X
Cylinder fins
Clean
X
Spark arresting* screen in muffler
Inspect
X
Clean or replace
X
All accessible screws and nuts
(not adjusting screws)
Retighten
X
Cutter blade
Visual inspection
X
X
Sharpen
X
Gearbox lubrication
Check
X
Top up
X
Drive shaft
Check lubrication
X
Lubricate
X