80-0000010B OM
226
End of Table 4.2.2
Tyre
Load
index*
Speed
sym-
bol*
Speed,
km/h
Load G on a t
re, k
, with inflation pressure, kPa
80
100
120
140
160
200
210
240
16.9R38 141 A8
10**
20
30
40
2550
2090
1815
1700
2880
2360
2050
1920
3210
2630
2285
2140
3530
2895
2515
2355
3860
3165
2755
2575
16.9R30
137 А8
10**
20
30
40
2250
1845
1605
1500
2550
2090
1815
1700
2850
2335
2030
1900
3150
2580
2245
2100
3450
2830
2460
2300
9.5-42
116 А6
10**
20
30
990
850
710
1130
970
810
1270
1090
910
1385
1180
990
1490
1275
1065
1700
1460
1220
1750
1500
1250
11.2R42
126 А6
10**
20
30
1250
1070
895
1425
1220
1020
1595
1365
1140
1735
1485
1240
1865
1600
1335
2135
1830
1525
2195
1880
1570
2380
2040
1700
* Load index and speed symbol are indicated on the tyre sidewall.
** Inflation pressure shall be increased by 25%.
Note
Normal load rates are
iven for sin
le t
res with indicated load index and speed s
mbol..
Pressure shall be set in “cold” tyres.
If carrying out operations that require significant traction force on the hook, set the
pressure the same as for 30 km/h travel speed.
At transport operations on roads with hard surface increase the pressure by 30 kPa,
but not more than permissible limits as per table 4.2.2.
If transport works exceed 60% of the total time of tractor operation, the warranty
life-time of the tyre within the limits of warranty storage time decreases by 30%.
Maximal permissible loads are given for single tyres.
Total permissible load for twinned tyres makes 1.7G, where G is permissible load
on single tyre according to table 4.2.2
ATTENTION: TRACTOR OPERATION WITH THE REAR WHEELS TWINNED IS
ALLOWED ONLY WITH THE SPEED UNDER 20 KM/H!
WARNING: WHEN TWINNING, THE TYRE PRESSURE IN OUTER WHEELS
SHALL BE 1.2 – 1.25 TIMES LESS THAN IN THE INNER WHEELS.
ATTENTION: TRACTOR IN EX-WORKS CONDITION HAS THE INFLATION
PRESSURE FROM 140 TO 180 kPa IF FRONT WHEEL TYRES AND FROM 100 TO 140
kPa IN REAR WHEEL TYRES!
4.2.8.2 Instructions for use of tyres
To prevent premature wear of tyres and tractor breakdown due to wrong use of
tyres, follow the below instructions for tyre use:
- carry out operations of technical maintenance of tyres and wheels in a timely
manner;
- prevent contact of tyres with fuel, oil and other petroleum products;
- do not operate the tractor with tyre inflation pressure not corresponding to the stip-
ulated rate for each specific case of its use;
- keep up the established rates of tyre inflation pressure in accordance with the in-
structions of the present manual;
- when it is necessary to check and inflate tyres during operation, do not do it
straight after the tractor is stopped; a time gap is required to let the tyres cool off;
- control the air pressure in tyres in cold condition with a tyre manometer, which is to
be tested regularly for precision of indications at stations or centers of service for any me-
chanical vehicles;
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