Agrison HP ULTRA Series Operation Manual page 62

oil pipe and joints should be free from oil leakage, or else the steering may fail to function. The
filter screen in the steering oil tank should be cleaned or replaced regularly.
When inspecting oil level, the breather valve in central position on tank cover should be
inspected to make its rise and fall unobstructed; if affected by oil stain, the breather valve should
be cleaned to remove oil stain.
4.2.2.4 Operation and maintenance of oil bath air cleaner
Open hooks of the filter, and then remove the bottom of the oil basin, dump the dirty oil and
clean with kerosene or diesel fuel, while cleaning filter, then add new oil to the oil height, and then
re-installed.
Important matters:
Correct operation and maintenance of air cleaner have the direct bearing on service life
of engine, so air cleaner must always be kept clean. During farmland work, air cleaner
should be inspected and cleaned prior to shift work. After maintained, the filter element of
air cleaner must tightly join with air cleaner to avoid any crack and prevent dust or soil
from entering into engine to cause engine scuffing, abnormal wear and severe downward
exhaust, etc.
4.2.2.5 Adjustment of fan belt tightness
Press down middle part of fan belt with thumb; the force applied is 29.4～49.0N and the
press-down distance is 15±3 mm. If the requirements are not met, it should be adjusted by the
method below:
Firstly, release the fixing nuts on generator adjusting bracket; secondly, pull the generator
outward to tighten belt; finally, fasten the fixing nuts on generator bracket.
4.2.2.6 Inspection of oil level of engine oil sump and oil replacement
Draw out the oil dipstick in the left front of engine oil sump and inspect whether oil level is
between upper and lower scales. If oil level is below lower scale, open the filler cap on engine
timing gear case cap of and inject oil.
Prior to replacement of oil, screw off the oil drain plug at the bottom of oil sump and drain off
dirty oil, and clean it; then inject new oil.
4.2.2.7 Maintenance of fuel filter
Maintenance Instructions
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