MTZ K-744R1, Руководство по эксплуатации

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KIROVETS K-744R1, K-744R2, K-744R3, K-744R4 tractors
92
No. K-744R1 tractor K-744R2, K-744R3, K-744R4 tractors
Installation of the wheel set
1.
Installation of additional wheel
1
– spacer ring; 2 – additional wheel; 3 – main
wheel; 4
– stud (long); 5 – pressing ring; 6 –
special nut; 7
– nut
Installation of additional wheel
1
– main ring; 2 – additional wheel; 3 – spacing
ring; 4
– special bolt; 5 – washer; 6 – nut
2. Replace (alternately) standard mounting nuts,
pos. 3, fastening the main wheel with special nuts
6. The tightening torque for special nuts equals to
14...20 kgf
∙m
Hang the main wheel 1 of the tractor above the
ground surface.
3. Screw in the long studs 4 for the depth of 25...27
mm into the special nuts
Install the spacing ring 3 into the main wheel of the
tractor having ensured its uniform seating over the
whole diameter.
4. Install the spacer ring 1 and press it with the
additional wheel assembly 2.
Install the additional wheel 2 on the spacing ring 3
so that the grooves in the disc of additional wheel
should be located opposite to the grooves of the
main wheel disc.
5. Introduce studs 4 into the holes of pressing ring 5
and fix the additional wheel by means of standard
nuts 7. Insert the pressing ring with the
chamfered edge (around the wheel diameter)
inside the rim of the additional wheel.
Introduce special bolt 4 with the head through the
grooves in discs of (additional and main) wheels,
turn it at 90° around the axis, and engage it with
the square bolt head and recess of the main wheel
disc.
6. The nuts shall be tightened in a criss-cross
manner using standard wrench with tightening
torque of 14...20 kgf∙m
Install washers 5 and pull up the additional wheel
to the main one using nuts 6
7. Perform tightening of nuts in criss-cross manner
using standard wrench with tightening torque of
14...20 kgf∙m
Running-in and maintenance
1. Set the air pressure in tyres:
– in main tyres – (1.1±0.1) kgf/cm
2
;
– in additional tyres – (0.9 ±0.1) kgf/cm
2
;
Set the air pressure in tyres:
– in main tyres – 1.1 kgf/cm
2
;
– in additional tyres – 0.8 kgf/cm
2
.
additional wheel
main wheel
additional wheel
main wheel
Axle pinion
carrier