Ningbo Benye 35 Series, Manual, Page: 38 / 61

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performed without adjusting their clearance. The
structure is as indicated in Fig.6--13.
E. Maintenance of Front Axle
a. According to the stipulated technical maintenance
in the operator's manual, unscrew the bolt (6) on
the top of the semi-shaft housing (Fig.6--11),and
check the oil level in the front axle. If not enough,
add up to 5 mm above or below the scale of the
dipstick. If releasing oil, unscrew respectively the
three bolts under the front central transmission
housing and under the rear part of the internal side
of the transmission housing on the front left and
right ends.
b.
The drive and driven bevel gears of the front
central transmission have to be replaced in pair for
operation.
VIII. Wheel
The front wheels of BY350 and BY400 tractors adopt 5.5--16 directory tires with strip figure
against the side slipping, and the front wheels of BY354 and 404 adopt 7.5--16 drive tires. The
rear wheels of the four types of the tractors totally adopt 11.2--28 drive tires.
A. Adjustment of Wheel Tread.
a. Front wheel tread adjustment of BY350 and BY400 Tractors.
The front wheel tread is adjusted by extending or shortening the front shaft arm within the range
of 1300---1600 mm, 100 mm every grade .
b. The front tread of BY354 and BY404 tractors is unadjustable.
c. The rear wheel tread of the four model tractors is adjusted by means of changing different
installing places of the drive wheel and the radial plate as well as the
radial plate and steel ring ,within the range of 1200--1500 mm,100
mm every grade. See Fig.6--14.
B. Maintenance of Tire
Proper use and maintenance of tires can greatly prolong its service life.
Please respect the following maintenance.
a. Keep the tire inflation pressure as required ; front wheel;220--250
Kpa (2.2--2.5 Kg f/cm ), and always check them.
b. Neither allow to drive the tractor at high speed on not flat road. Do
not brake emergently as possible as you can.
c. Do not have fuel or oil on the tire . If any, wash or clean it.
d. Always keep it clean.
e. Change the installing place of the tire if it is not even worn.
f.
When the tractor stops for a long time, support the tractor off the