Cutting width
48 cm
Cutting tool drive
Permanent
Cutting height
25 - 80 mm
Tightening torque for
blade fastening
screw
60 - 65 Nm
Self-propulsion, rear
wheels
1 forward gear
Wheel diameter
(front)
200 mm
Wheel diameter
(rear)
200 mm
Length
165 cm
Width
52 cm
Height
110 cm
MB 3.2 RT:
Engine: Manufac-
Briggs & Stratton
turer, type
Series 650 EXi
Displacement
163 ccm
Nominal output at
2,4 - 2800
nominal speed
kW - rpm
Fuel tank
1,0 l
Cutter bar speed
2800 rpm
Weight
30 kg
Sound emissions
In accordance with Directive 2000/14/EC:
Guaranteed sound
power level L
96 dB(A)
WAd
In accordance with Directive 2006/42/EC:
Sound pressure level
at workplace L
82 dB(A)
pA
Uncertainty K
2 dB(A)
pA
Hand-arm vibrations
Specified vibration characteristic in
accordance with EN 12096:
Measured value a
4,80 m/sec²
hw
Uncertainty K
2,40 m/sec²
hw
0478 111 9933 A - EN
Measurement in accordance with
EN 20643
MB 3.1 RTX:
Engine: Manufac-
Briggs & Stratton
turer, type
Series 450
Displacement
125 ccm
Nominal output at
1,7 - 2800
nominal speed
kW - rpm
Fuel tank
0,8 l
Cutter bar speed
2800 rpm
Weight
29 kg
Sound emissions
In accordance with Directive 2000/14/EC:
Guaranteed sound
power level L
96 dB(A)
WAd
In accordance with Directive 2006/42/EC:
Sound pressure level
at workplace L
82 dB(A)
pA
Uncertainty K
2 dB(A)
pA
Hand-arm vibrations
Specified vibration characteristic in
accordance with EN 12096:
Measured value a
5,00 m/sec²
hw
Uncertainty K
2,50 m/sec²
hw
Measurement in accordance with
EN 20643
20. Troubleshooting
If necessary, contact a specialist
dealer; VIKING recommends VIKING
specialist dealers.
@ See engine instruction manual.
Fault:
Engine not starting
Possible cause:
– Motorstop lever not pressed.
– MB 3 RTX: Primer not pressed.
– No fuel in tank.
– Fuel line blocked.
– Inferior, dirty or old fuel in tank.
– Air filter dirty.
– Spark plug socket detached from spark
plug; ignition lead not properly fastened
to socket.
– Engine flooded due to several starting
attempts.
– Spark plug dirty or damaged; incorrect
electrode gap.
Remedy:
– Press motorstop lever to handlebar and
hold. (
11.1)
– MB 3 RTX: Press primer three times
before starting. (
11.1)
– Refill fuel tank. (
7.4)
– Clean fuel line.
,
– Always use fresh, good quality fuel,
unleaded petrol; clean
carburettor.
,
– Clean air filter.
,
– Connect spark plug socket; check
connection between ignition lead and
socket.
,
– Remove spark plug and dry; pull recoil
starter rope repeatedly with the spark
plug removed.
,
– Clean or replace spark plug; adjust
electrode gap.
Fault:
Starting problems or deteriorating engine
power.
Possible cause:
– Lawn mower housing blocked.
45