Viking GB 370 S, Instruction Manual

Page: 44 / 478

0478 216 9901 D - EN
42
Fault:
Engine does not start
Possible cause:
– Feed chute not properly closed
– Blade disc blocked
– No fuel in tank; fuel line blocked
– Inferior, dirty or old fuel in tank
– Spark plug socket detached from spark
plug; ignition lead not properly fastened
to socket
– Dirty air filter
– Spark plug dirty or damaged; incorrect
electrode gap
– Engine is flooded due to several
starting attempts.
Remedy:
– Close feed chute properly and tighten
screws ( Ö 7.7)
– Remove shredder deposits from the
housing ( Important: first detach spark
plug socket)
– Top up fuel; clean fuel line ( Ö 7.9)
– Always use fresh, good quality fuel,
normal unleaded petrol; clean
carburettor (
Ö 7.9)
– Connect spark plug socket; check
connection between ignition lead and
socket
– Clean air filter
– Clean or replace spark plug; adjust
electrode gap
– Remove spark plug and dry; pull recoil
starter rope repeatedly with the spark
plug removed (throttle lever in STOP
position)
Fault:
Engine overheating
Possible cause:
– Dirty cooling ribs
– Oil level in engine too low
– Surface of engine covered with
shredded material
Remedy:
– Clean cooling ribs ( Ö 11.2)
– Top up engine oil ( Ö 7.9)
– Remove shredded material from the
engine
Fault:
Shredding material is not drawn in
Possible cause:
– Blunt or incorrectly ground blades
Remedy:
– Reverse or re-sharpen blade; ensure
sharpening angle of 30° ( Ö 11.3)
Fault:
Reduced shredding performance
Possible cause:
– Blunt blades
– Incorrectly ground blades
– Bent blade disc
Remedy:
– Re-sharpen or replace blades ( Ö 11.3)
– Sharpen blades correctly ( Ö 11.3)
– Visually inspect blade disc and replace
if necessary ( Ö 7.6)
Fault:
Excessive vibration during operation,
abnormal noises, rattling
Possible cause:
– Faulty blade disc or blades
– Loose engine mounting
– Bolts loose
Remedy:
– Check blade discs, blades, blade shaft,
screws, nuts, washers and bearings of
cutting unit, repair if necessary
– Tighten engine mounting bolts
– Ensure secure seating of bolts
20. 1 Handover confirmation
Tightening torque
Reversible blade:
22 – 28 Nm
L/W/H: 128/77/140 cm
Weight: 45 kg
1 9. Troubleshooting
@
See engine instruction manual.
If necessary, contact a specialist
dealer; VIKING recommends VIKING
specialist dealers.
20. Service schedule