Stihl TS 420 Original Instruction Manual

Working safely with cut-off machines
English
16
Maintenance and Care
The following maintenance intervals apply in normal operating conditions. The
specified intervals must be shortened accordingly when working for longer than
normal or under difficult cutting conditions (extensive dust, etc.).
before starting work at the end of work and/or daily Whenever tank is refilled Weekly Monthly Yearly If faulty If damaged As required
Complete machine
Visual inspection (condition, leaks) XX
Clean X
Operating elements Check operation XX
Fuel pick-up body in fuel tank
test, check X
Replace XXX
Fuel tank Clean X
Ribbed V-belt
Clean / retension XX
Replace XX
Air filter (all filter components) Replace Only if there is a noticeable loss of engine power
Cooling air intake slits Clean X
Cylinder fins
Have them cleaned by a specialist
dealer
1)
X
Spark arresting screen
2)
in muffler
test, check X
Clean or replace X
Water attachment
test, check xx
Have them maintained by a specialist
dealer
1)
x
Carburetor
Check idle adjustment – abrasive
wheel must not rotate
XX
Readjust idle speed X
Spark plug
Adjust electrode gap X
Replace after 100 hours’ operation
All accessible screws, nuts and bolts (not
adjusting screws)
Retighten XX

Stihl TS 420 Specifications

General

Engine Power	4.4 bhp
Weight	21.2 lbs
Arbor Size	20 mm
Maximum Wheel Size	350 mm
Maximum Cutting Depth	125 mm
Displacement	66.7 cc (4.1 cu. in.)
Fuel Capacity	710 cc