Maintenance Chart - Stihl HT 70 Instruction Manual

Maintenance Chart

Please note that the following maintenance intervals apply for normal operating
conditions. If your daily working time is longer than normal or cutting conditions
are difficult, shorten the specified intervals accordingly..
Complete machine
Throttle trigger, slide control
Air filter
Filter in fuel tank
Fuel tank
Carburetor
Spark plug
Cooling inlets
Spark arresting screen in muffler*
All accessible screws and nuts (not adjusting
screws)
Anti-vibration element
Chain lubrication
Saw chain
Guide bar
Chain sprocket
1)
STIHL dealer
HT 70, HT 75
Visual inspection (condition,
leaks)
Clean
Check operation
Clean
Replace
Check
Replace
Clean
Check idle adjustment –
chain must not rotate
Readjust idle
Readjust electrode gap
Clean
Inspect
Clean or replace
Retighten
1)
Replace
Check
Inspect, also check sharpness
Check chain tension
Sharpen
Check (wear, damage)
Clean and turn over
Deburr
Replace
Check
1)
Replace
* see "Guide to Using this Manual"
X X
X
X X
X X
X
X
X
X X
X X
X
X
X
X
english
X X
X
X
X X
X X
X
X
X X
X
X
X
X
X X
X
41