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by Jakob AG Switzerland
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5
Faults
Faults
Possible cause
Measures
Petrol motor cannot be started
Too little petrol
Single lever operation on motor set to
stop
other causes
Refuel
Switch lever to start
see STIHL operating instructions.
Petrol motor
“dies” when starting
up
Altitude too great over approx. 2200
m above sea level
Poor carburettor settings
Load is greater than permitted tensile
force
Adjust carburettor
see STIHL operating instructions.
Reduce load or employ pulley block
Battery motor turns off
Battery empty
Load greater than permissible tensile
force
Engine too cold
Engine too warm
Charge the battery
Reduce the load
Allow unit to warm up at idle speed
Engage chain brake, remove battery,
and allow motor to cool down.
Rope does not move, even though
drive wheel turns
Rope incorrectly inserted
Too small or too thin
rope installed
Severe wear on rope
Drive wheel or rope excessively
greased
Rope groove in drive wheel strongly
contaminated
No load on rope
Install rope according to sketch
Install correct rope
Install new rope
Clean
Clean
Load rope
The driving system is not moving
despite the throttle on the running
motor being open
Chain brake (38) released (blocked)
Broken V-belt
Centrifugal clutch on Petrol motor
worn out
Sliding clutch 8B worn out
Sliding clutch 8B misaligned
Brake (spindle) stuck in open position
Release chain brake (38)
Replace V-belt
Replace centrifugal clutch
Readjust sliding clutch
Adjust sliding clutch
Hold brake housing steady and turn
hand crank in hoisting direction
The tension in the rope cannot be
relieved
Brake not released
Brake wet
Chain brake (38) engaged
Release brake by pivoting brake re-
lease lever (25) backwards
Have machine repaired
Release chain brake (38)
