BELARUS-1523/1523
В
/1523.3
/1523В.3
Construction and Operation
145
To change the rear wheel track, shift the
hub together with the wheel over the
axle-shaft and rearrange the wheels from
one side to another.
To change the wheel track, proceed as
follows:
1. Place the tractor on a flat, level
ground.
2. Clean the axle-shafts from dirt.
3. Jack the respective axle-shaft hous-
ing.
4. Turn out tie-bolts (1) (see Figure “Hub”)
on each insert (3, 4), using four of
them for pressing out the inserts by
driving these bolts into the threaded
holes for dismantling (5). Loosen the
other two bolts by three complete
turns each.
To dismantle the wheel, drive in the
dismounting bolts uniformly, until the
insert get pressed out*.
5. Move the hub to the required wheel
track (see Table below for setting the
wheel track be measuring the dimen-
sion K from the end of the half-axle to
that of the insert).
6. Screw in the coupling bolt using them
for tightening the inserts.
7. Tighten all the bolts with applying the
torque of 350…450 N
•
m (35…45
kgf
•
m) in several steps before tighten-
ing them to the specified torque.
ATTENTION!
Following tightening-up
of bolts, check to see that the end-
faces of the inserts are in the same
plane to within 1...2 mm.
8. Adjust the wheel track on the other
wheel.
9. Check and tighten the tie-bolts up af-
ter 3-10 hours of tractor operation.
If the wheel twinning is required, install
the second wheels using the special
spacer-ring pieces.
If the wheels have been removed when
changing the rear wheel track, tighten
the wheel nuts to 300…350 N
•
m (30…35
kgf
•м).
Standard size of
the tyres
Wheel posi-
tion
Wheel track dimen-
sion “L”, mm
Dimensional setting ** of the hub,
K, to axle-shaft end-face, mm
520/70R38
A
B
1600…1900
1950…2440
155…5
245…0
18,4R38
A
B
1480…1900
1950…2440
215…5
245…0
* If it is impossible to pull the inserts out with the help of dismantling bolts, pour kerosene onto the insert
parting joints; then, wait and screw the dismantling bolts into the threaded holes again rapping the hub
body simultaneously until the inserts are fully out.
** Changing the wheel track by amount K corresponds to repositioning of the hub by K/2 on each side.
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