Operation Instruction
22
5. For a new tractor, or one that hasn’t been used for a long time, an overhauled should be performed
before starting. Before starting, bleed the air from the fuel line to ensure that diesel engine
starts smoothly. The procedure is as follows: first loosen the bleed screw on the diesel filter and discharge
the air in the hose from the fuel tank to the diesel filter with a hand pump until there are no bubbles in the
discharged fuel. Then tighten this screw and loosen the bleed screw on the fuel pump to discharge the air
until there are no air bubbles in the fuel flowing out of the fuel pump. Then tighten this bleed screw.
IMPORTANT NOTES:
1. Clean debris off the radiator regularly to avoid engine overheating.
2. If the tractor is equipped with a combine, heat buildup during operation will become a problem. To make
sure that the engine performs properly, an auxiliary radiator needs to be installed on the tractor.
2.4.2 Engine Start
WARNING: Before starting the engine, make sure that the main gear shift lever, the high/low
shift lever, the shuttle gear shift lever, and the front drive control lever are in the neutral position, and the
3-point lift control lever is in the lowering position. This will prevent the tractor from accidentally starting and
causing an accident or injury.
IMPORTANT ISSUES:
1. Never turn the key for more than 5 seconds. If the engine does not start within 5 seconds, let the starter rest
for 15 seconds and try again. You can do this three times. If the engine still doesn’t start, you need to
trouble shoot the problem to prevent damage to engine components.
2. Once the engine is started, ease up on the throttle immediately. Check the engine oil pressure at this time
to ensure that the oil level is no lower than 9kPa (1.31 psi). The oil pressure indicator light should turn off
at this time.
3. Do not attempt to run at full-load immediately. It is necessary to run the engine at medium speed to warm
it up. When coolant temperature is above 60°C (140F), you can then increase the speed and operate the
tractor with a full load.
4. The engine rpm and load should be varied between low and high speed, especially for a new engine.
Do not attempt to run the tractor at high speed using the fuel throttle lever or the accelerator foot pedal.
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