38
Two-wheel tractor 3900
Edition 04.97
4. Commissioning and Operation
Starting the
Petrol Engine
l
Engage the central brake (B/10 and
11) for better stability of the machine.
l
Open fuel tap (D/4).
l
Cold engine: pull CHOKE knob (D/2)
to position “CHOKE”.
l
Warm engine: leave the CHOKE
knob in normal operating position or pull
it out half way.
l
Move speed control lever (B/8) to
approx. 1/3 throttle.
l
Press safety lever (B/1) down, pull
hand clutch lever (B/2) and lock pawl
(B/3) (start position).
l
Pull starting-rope on handle (E/10)
until you feel starter clutch engage. Then
pull hard and fast to start the engine.
After the start, carefully let the rope glide
back. Do not let it snap.
l
Once the engine has started, let it
warm up for some time. Slowly push
choke back into operating position, if
necessary.
Summary of Contents for 3900
Page 5: ...Edition 04 97 Two wheel tractor 3900 5 B A Designation of Parts Petrol Engine ...
Page 9: ...Edition 04 97 Two wheel tractor 3900 9 C Designation of Parts Diesel Engine B ...
Page 44: ...44 Two wheel tractor 3900 Edition 04 97 Notes ...
Page 60: ...60 Two wheel tractor 3900 Edition 04 97 Notes ...
Page 62: ...62 Two wheel tractor 3900 Edition 04 97 D E Designation of Parts Petrol Engine ...
Page 71: ...Edition 04 97 Two wheel tractor 3900 71 Notes ...