KIROVETS K-744R1, K-744R2, K-744R3, K-744R4 tractors
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b) Shift the brake pedal and check the travel of stems of brake chambers 6 (Fig. 36). The
stem travel shall be within 30–45 mm, the travel difference between the right-hand and
left-hand stems shall not be more than 7 mm.
If necessary, perform the following adjustment: rotating axle 5 reach the travel value of 30–45
mm, rotate the worm each time at 1/6 of turn (60°) to the regular fixed position. Thereafter check
the tractor in motion.
Make sure of reliable and simultaneous action of brakes, absence of heating of brake drums 1
during the tractor motion without using brakes.
Fig. 36 Service brake
1 – brake drum; 2 – brake block;
3 – cover plate; 4 – spring; 5 – worm
axle; 6 – brake chamber; 7 – brake
lever; а – travel of stem of brake
chamber
7.5.7 Cardan shaft maintenance
In the process of operation observe the following rules of maintenance for cardan shafts:
a) at the end of each shift check by touch the degree of heating of bearing assemblies (if
you stand by hand – the heating is normal). In case of overheating, remove the cardan
shaft. Eliminate faults at TSS or in a workshop. In case of removal of cardan shafts from
the tractor or their installation on the tractor, one cannot use the installation blade or any
other items to be inserted into the hinge pivot for cardan shaft barring. It entails the
damage of seals, which can lead to prior failure of cardan joints;
b) systematically check fastening of cardan joint flanges. All nuts shall be reliably
tightened;
7.5.8 Maintenance of tractor pneumatic system
Drain condensate from air cylinders
In order to ensure normal operation of the pneumatic drive, after completion of work drain
condensate from the air cylinders as the presence of condensate can lead to its ingress into the
tubes and instruments of the braking system and their failure.
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