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9. FAULT DIAGNOSIS & REMEDY
Warning: Switch off the engine and disconnect the spark plug connector before
making any adjustments of maintenance.
Condition
Grass is not
cleanly cut or
grass is ripped.
The cut is not
consistent. Some
areas are not cut
correctly.
Engine starting
problems.
Engine stops
Engine does not stop
Cutting cylinder does
not rotate
Power drive does
not work
Excessive vibration
or noise
10. TECHNICAL DATA
Model
Engine type
Self-Propelled
Engine Displacement
Nominal Power
Blade Width
Rated Speed
Fuel Tank Capacity
Grass catcher capacity
Net Weight
Height adjustment:
accordance with legal regulations for a 24 month period effective from the date of purchase by
Possible Cause
The cylinder to bottom blade gap
is incorrect.
The cylinder to bottom blade gap
is not 'on-cut' across the whole
blade. The blade system is
damaged.
Engine is flooded.
Spark plug lead not
connected. Spark plug is
dirty.
No petrol
Engine speed too low for
conditions.
Cutting cylinder obstructed
Cutting cylinder obstructed
Cylinder adjustment incorrect
Incorrect adjustment/cable
damaged
Blade system or other mower part
damaged
Engine fault
Fortis 14L
Loncin G200F
196cm³
4.1kW
14in (36cm)
3.6L
55L
74kg
6mm to 30mm with 6 Bladed Cartridge. As low as 3mm with the opt. 10 Blade
Remedy
Check and adjust the gap. Check and
sharpen the cylinder if necessary.
Check and adjust the gap. Check and
sharpen the cylinder if necessary.
Damaged – see a Cobra dealer
Leave for 10 – 15 minutes Reconnect
See engine maintenance manual
Refill petrol
Increase the throttle speed
Turn off engine and clear obstruction
Throttle cable not correctly adjusted. Stop
engine by removing spark plug lead and
refer to the engine maintenance manual.
Remove obstruction.
Adjust the cylinder bottom blade gap.
Adjust the drive cable so that the drive
operates.
Contact the local Cobra dealer
See engine maintenance manual
Fortis 17B
Fortis 20B
B&S XR550
Yes
127cm³
2.6kW
17in (43cm)
20in (51cm)
3600/min
1.9L
65L
75L
83.6kg
89.2kg
26
Fortis 25B
B&S XR750
11.
WA
RR
163cm³
AN
3.7kW
TY
25in (63cm)
This
3L
prod
90L
uct
is
104.8kg
warr
ante
d in
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