Lumag RAMBO-HC15PRO, Original Operation Manual

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33
20. Troubleshooting
WARNING!
Any faults on the machine or engine requiring major intervention must always be repaired by your LUMAG
workshop or authorised specialist workshops. The warranty becomes void in the event of improper
intervention.
Before any troubleshooting
– Switch off machine
– Wait for the shredding blades to come to a standstill
– Remove spark plug connector.
PROBLEM POSSIBLE CAUSE PROPOSED REMEDY
Engine will not start
No fuel Fill fuel tank
Recoil starter defective Repair or replace recoil starter
Do not refill engine oil
Engine is still in the cooling phase Let engine cool down
No spark Clean or replace spark plug
Engine in cold condition and choke set to
OPEN (right)
Set choke to CLOSE position (left)
Fuel switch set to OFF Set fuel switch to ON
Engine is difficult to start or runs
poorly
Fuel mixture too greasy Set choke to OPEN (right) position
Carburettor incorrectly adjusted
Have adjustment carried out by specialist
dealer
Faulty spark plug, dirty or incorrectly
adjusted
Clean, readjust or replace spark plug
Engine gets too hot
Too little engine oil Refill engine oil
Cooling air system restricted
Clean ventilation grille, clean internal
cooling fins
Air filter dirty Clean filter element, replace if necessary
Carburettor not adjusted correctly
Have carburettor adjusted by specialist
dealer
Engine brings too little power
Air filter dirty Clean filter element, replace if necessary
Machine is overloaded
Reduce material supply, observe max. Ø of
branches!
Machine is blocked
Clean the machine thoroughly from the
inside
Reduced cutting performance
and / or decreases
Blades are dull Turn or replace the blade
Counter blade is worn Turn or replace counter blade
V-belt slips Tension the V-belt
Shredded material is not
automatically drawn in
Blades are dull Turn or replace the blade
Excessive vibration Blades, screws, nuts or other parts loose
Switch off engine immediately. Check all
nuts and screws for tight fit, replace
damaged parts, adjust V-belt tension.
If these measures do not eliminate the fault or if faults occur which are not listed here, then have your machine
checked by a specialist.