Section 11.Specifications to be Adjusted
Belarus 80.1/80.2/82.1/82.2/82
Р — Operation and Service Manual
130
Table 16, continued
Description
Unit of
measurement
Value
RUNNING GEAR, STEERING CONTROLS
Front wheel toe-in
mm
0
– 8
Steering wheel free play on running diesel-engine,
no more than
deg.
25
Oil pressure in the hydraulic steering booster limited by a relief
valve
kgf/cm
2
(MPa)
90 ± 5 (9,0 ± 0,5)
100 ± 5 (10 ± 0,5) for
МТZ-82Р
Clearance between the rest and end-face of the hydraulic
booster rack (shim-adjusted)
mm
0,1
– 0,3
Axial bearing clearance of directive wheels
mm
0,08
– 0,2
Torquing:
kgf•m (N•m)
rear wheel attachment nuts
56-62 (560-620)
Hydraulic booster worm spherical nut (it is permissible to
back up the nut following tightening by 1/12
– 1/10 turn)
2 (20)
steering wheel hydraulic booster Pitman arm nut
28
– 32 (280 – 320)
clamping bolts for HSB cylinder lid and body attachment
6 (60)
front wheel nuts
20-25 (200-250)
front wheel disk-to-rim attachment nuts
18-24 (180-240)
POWER TRAIN
Clearance between the ends of throw-out levers and clutch
release bearing
mm
3
Difference in clearances of separate clutch levers,
not more than
mm
0,3
Clutch pedal free travel
mm
40
– 50 as measured at
pedal pad
Distance from levers-to-release bearing contact point to clutch
back plate hub end-face
mm
13 ± 0,5
Distance from rear GB housing plane to outer end-face of the
main drive gear
mm
58 + 0,15
Permissible increase in axial clearance in GB secondary shaft
bevel bearings, not more than (during checks)
mm
0,3
GB secondary shaft drag to rotation in bevel bearings, less
gear meshing (to be provided for during adjustment)
kgf•m (N•m)
0,6
– 0,7 (6 – 7)
Differential bevel bearing drag as applied to the outer end of
main driven gear
kgf
•m (N•m)
3
– 5 (30 – 50)
Pitch play in rear axle final drive gearing
mm
0,25
– 0,55
Brake pedal stroke
mm
70
– 90
110
– 120 (for tractors
equipped with unitized
cab)
HYDRAULIC HITCH SYSTEM
Hydraulic system pressure limited by a relief valve
kgf/cm
2
(MPa) 180
– 200 (18,0 – 20,0)
Automatic return of distributor spools to neutral
kgf/cm
2
(MPa) 160
– 175 (16,0 – 17,5)
Hitch mechanism left-hand drop link
mm
475
Limits of hitch mechanism right-hand drop link adjustment
mm
430
– 515
Limits of hitch mechanism compression (control) link
adjustment
mm
520
– 800
Hitch linkage sway as measured at ends of lower links, in
transport position, not more than (to each side)
mm
20