1523.6-0000010 OM
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
-1
;
- 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 5.4.2.11.2.1 again.
Pedal 7 (figures 5.4.19 and 5.4.20) shall not bear against panel 12 (figures 5.4.19 and
5.4.20).
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 pedal is fully pressed, the withdrawal of hydrau-
lic booster piston shall make not less than size K from end face of hydraulic booster.