Section F. Adjustments Belarus - 90/92 Operating manual
66
Figure 2. Rear PTO planetary reduction gear:
1 - drive switching coupling; 2 - crown pinion shaft; 3 - nut; 4 - carrier; 5 - sun pinion; 6 - satellite; 7 -
crown pinion; 8 – satellite axle; 9 - brake drum; 10 - PTO shaft; 11,13- brake band; 12 - switching
drum; 14 - rear cover; 15 – crank-type axle; 16 - fixing bolt of stop plate; 17 - stop plate; 18 -
removable drive end; 19 - stop plate of removable drive end; 20 - drive end fixing end; 21 -
adjusting screws; 22,24 - lever; 23 - spring mechanism; 25 - control roller; 26 - stop plate, 27 –
cotter.
10.
Mount
tie-rod
4
(figure
1);
changing the length of tie-rods 4 and 15
set rolling zone of lever 1 in the middle
section of the control panel groove, and
adjust the size B (50
+10
mm).
Upon adjustment completion install to
adjusting screws 21 the stop plate 26
and cotters 27 (figure 2), cover of rear
axle hatch, cotter pin tie-rods 4 and 15
(figure 1), and bolt 9 by nuts 3 and 8.
During operation the external
readjustment performs, if:
a)
PTO slips;
b)
when shifting control lever 1 abuts
against front or rear part of control
panel groove;
c)
switching force on lever 1 is over
12-15 kgf ;
d) inefficient fixing of lever 1 in extreme
positions, or its irregular travel when
switching on and off.
Procedure of external readjustment:
1. Take off protective covers of PTO.
2. Unscrew bolt (16), dismount the stop plate
(17) from the end of eccentric axle (15)
and turn the axle clockwise to choice the
gap between the brake band and the drum
(in this case will be impossible to turn the
shank end of PTO from the hand).
3. Fix the axle by stop plate (17) and bolt
(16).
4. Put the protective cover of PTO in its
place.
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