Belarus 2022.6 Operator's Manual page 166

5.4.2.12.2.4 Check of declutching cleanliness
After performing the above mentioned adjustments of clutch control, it is required to
check declutching cleanliness, for which do the following:
- engage the parking brake;
- start the engine and set diesel rated speed (1400±100) min
- fully depress the clutch pedal and min in 5 sec engage GB ranges, the activation
of which shall be "clear" – without unwanted sounds and rattle.
In case there are unwanted sounds or rattle, it is required to check and if necessary,
make adjustments specified in subclause 5.4.2.12.2.1 again.
Pedal 7 (figures 5.4.21 and 5.4.22) shall not bear against panel 12 (figures 5.4.21
and 5.4.22).
After bleeding of the hydraulic system with the engine stopped, the total pedal 7 free
travel shall make size Е that corresponds to withdrawal of hydraulic booster 28 piston to
size И from end face of hydraulic booster. When the pedal is fully pressed, withdrawal of
hydraulic booster piston shall make not less than size K from the end face of hydraulic
booster.
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