Shibaura ST318, Руководство по ремонту

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(5) Backlash of differential gear and differential pinion
➀ Insert 2 fuses at opposing positions between the
differential gear and differential pinion and turn the
differential gear.
➁ Take out the fuses and measure the thickness with a
micrometer.
➂
Total thickness of 2 fuses
÷
2 = backlash (mm)
Replace if the service limit is exceeded.
5. Tooth contact of drive pinion and ring gear
When visual inspection is difficult, coat 6 or 7 teeth of
the ring gear with a very small quantity of red lead
diluted with oil before disassembly, turn the drive
pinion and judge the proprietary of the tooth contact
from the red lead condition attached to the ring gear
teeth.
(1) Heel contact
Select shims so that the drive pinion is brought near
the ring gear.
(2) Toe contact
Select shims so that the drive pinion is put farther
from the ring gear.
(3) Face contact
Select shims so that the ring gear is brought near
the drive pinion.
(4) Flank contact
Select shims so that the ring gear is put farther from
the drive pinion.
Backlash of differential gear and differential pinion
(mm)
Assembling standard value Service limit
0.1 – 0.3 0.5
T488
T489
T490
T491
T492