Yaroslavl ???-236, Руководство по обслуживанию

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cavity;
Ж – dimension
4.13 Tension machine 236-1307155-
А
4.13.1 Assembling bearings 3 (picture 4.12) should be lubricated with the grease Litol-24, and
cavity А of the pulley between the bearings should be filled with this grease for 3/4 of the volume.
4.13.2 B
earings 3 should be pressed with the sides without sealing to the cavity А.
4.13.3 After the assembling pulley 4 should rotate free without constraints at the lever pin 2
from the manual effort.
4.13.4 Bolts 5 of the support fasteners 1 to the lever 2 are finally tightened at the engine after
the adjusting of the belt tension.
4.13.5 At the bolt B additional flat washer 6 with the increased external diameter should be
installed.
Picture 4.12 – Tension machine 236-1307155-
А
1 – tensions machine support 236-1307206; 2 – lever with the pin 236-1307304-
А;
2 –
bearings 20803 К3; 4 – tension machine pulley 7511.1307180; 5 – bolt 201682-П29;
6 – washer 312696-
П29; A – cavity
4.14 Fan drive
236НЕ-1308007-Д and 236НЕ-1308011-И
4.14.1. Parts assembling of the position 19, 20 or 21 should be performed in
accordance with the GOST 3325-85. Transmission of the thrust force through the rollers is
not permitted.
4.14.2. Before the assembling lead in part of the thread of the parts of the position 12 and
15 should be lubricated with sealant UG-
9 ТU 2257-407-00208947-2004 or UG-10 ТU 2257-
408-00208947-
2004 or Anakrol 202 ТU 2242-003-50686066-2003.