Yanmar YM155d Service Manual page 104

NOTES:
( I )
Check to see that there is .no looseness between the inner and outer laces o f the
ball bearings and needle bearings. If this is the case, or if they
emir
abnormal noises
when turned, or do not turn smoothly, replace.
Particular care should be taken in the case of needle bearings
ro
see rhar the rollers are
nor cracked or chipped.
11
12
13
14
P .
(2) As for the gears, if there is any uneven wear, galling, or scoring, they should be
repaired t o replaced.
Item
Clearance between drive pinion and
ring gear
Backlash of bevel gear 14 and king
p i n bevel gear 28/14 114/18]
Backlahr o f k i n g p i n
bevel
gear
28/14 [18/181 andbevel gear
20 1271
Clearance between bevel gear 14
and king p i n bevel gear 28/14
Standard specification
a: adjusting shims
0.004 and 0.008 10.1 and 0.21
b: adjusting shims
0.004 and 0.012 (0.1 and 0.3)
0,004-0~012 (0.1-0.3)
0.004-0.012 10.1-0.3)
(3) Irem 6 through 11 refer to measurements for the differential assembly; Irem 11
/ - -
Replacement l i m i t
0.024 10.61
0.024 10.61
15
Unit: inch (mml
Testing equipment
Dial gauge
Dial gauge
Dial gauge
16
I
.
i ; 7[18j
118/181
Teerh No.14
I
(Teeth No.141181)
a: adjusting shims
0.004 and 0.012 10.1 and 0.31
Clearance between the
Dial gauge
kingpin bevel gear
and
the bevel gear
Play in direction of rotation bet-
ween all gears and shaft splines
0.012 10.3)
bevel gear
Bevel gear
20 [271
a: adjusting shims
0.004 and 0.012 (0.1 and 0.3)
Dial gauge