Dong Feng DF254G2-6, Руководство по обслуживанию

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The control handle of hydraulic lift is at the right-rear side of driver’s seat, move the
handle forward, backward or set it at the middle, the hydraulic lift linkage will go down, up
or stop at neutral position respectively.
The clutch pedal is located at the front of left footrest plate, step on the pedal, the main
clutch and sub-clutch will be disengaged in turn.
Brake pedals are at the front of right footrest plate, the left one is for LH brake, and the
right one is for RH brake. The two pedals must be locked together while traveling on road.
There are two sets of throttle control mechanisms, one is the foot throttle, and the other is
hand throttle. Foot throttle pedal is at the right side behind the brake pedals and the hand
throttle handle is at the upper-right of instrument panel case. The engine stop lever is at the
lower-left of instrument panel case. The decompression lever is just outside the hand
throttle handle.
The control handle of front wheel drive axle is on the left side of driver’s seat, pull it
backward for engagement and push it forward for disengagement.
4.2 Operation and drive of the tractor
4.2.1 Starting of engine
a. Before starting the engine, check and make sure that: All the connecting bolts of the
tractor are tightened; Fuel, cooling water and lubricant are filled in conformity with the
regulations; Shift lever is placed at “Neutral” position; Control lever of PTO shaft is at
“Disengage” position and, the hydraulic control handle is at “Neutral” position.
b. Check whether there is any air in fuel system. Bleed air from the plug on injection pump
by manually pumping it if necessary.
c. Shift the hand throttle to “Medium” position.
d. Depress the clutch pedal (so as to reduce starting resistance) and turn the electric switch
key anti-clockwise to “H” position to start the engine. After starting, turn the key to
“ON” position immediately. If engine starting fails at first time, try once again after
1
～
2 minutes. If engine starting fails for three times in succession, make close check
and do not start it until troubles are all fixed up.
In case the ambient temperature is below 5
℃
, the decompression device may be used
for increasing the rotating speed of engine for easy starting or turn the starter key to
“ST” position for preheating (no more than 15 seconds) to start the engine.
e. Run the engine at medium or low speed after starting, observe whether it works well, if
OK, then speed up slowly but do not work with load until water temperature gets to 50
℃
.
Points for attention:
a.When starting, the time duration of every attempt of operating the starter-motor should not
be more than 15 seconds, otherwise, battery and starter motor will be easily damaged.
b.Hot water should be filled into radiator to warm up the engine before starting if insevere
cold season, or park the tractor indoors for keeping it warm.