Check The Crankshaft - Segway VILLIAN SSV Series Service Manual

CRANKCASE\CRANKSHAFT\BALANCE SHAFT
C C
H H
F F
D D E E F F
B B
A A
I I
G G
E E
D D
G G
H H I I

Check the crankshaft

◆ ◆ Chec Check the timing sprocket tooth k the timing sprocket tooth 【 【 A A 】 】 , balance
driving gear 【 【 B B 】 】 and sprocket tooth driving gear
crankshaft for damage or wear. crankshaft for damage or wear.
◆ ◆ If the teeth are damaged, the entire crankshaft If the teeth are damaged, the entire crankshaft
component needs to be replaced component needs to be replaced
◆ Measure the size of each main shaft journal and
connecting rod journal, and choose two directions at
each position, 90° apart. If the journal wear exceeds
the limit, the crankshaft needs to be replaced
◆ There are two lines of marks with a total of 6
characters on the balance block near the output end
of the crankshaft. One column is the grouping mark
of the main shaft journal, using numbers, and the
other column is the grouping mark of the connecting
rod journal, using uppercase English letters
◆ T h e f o l l o w i n g t a b l e l i s t s t h e c o r r e s p o n d i n g
dimensions for each group. Check whether the
dimensions are within the specified range. If the
limits are exceeded, the crankshaft parts need to be
replaced.
◆ crankshaft journal diameter
Spindle diameter
Standard
1
Limit
Standard
2
Limit
Standard
3
Limit
connecting rod journal diameter
Standard
A
Limit
Standard
B
Limit
Standard
C
Limit
3-4-18
and sprocket tooth 【 【 C C 】 】 on
46.98-46.987 mm
(1.8496-1.8499 in.)
46.933 mm(1.8478 in.)
46.988-46.995 mm
(1.8499-1.8502 in.)
46.947 mm(1.8483 in.)
46.996-47.004 mm
(1.8502-1.8506 in.)
46.963 mm(1.8489 in.)
40.992-40.997 mm
(1.6139-1.6141 in.)
40.963 mm(1.6127 in.)
40.997-41.002 mm
(1.6141-1.6143 in.)
40.968 mm(1.6129 in.)
41.002-41.007 mm
(1.6143-1.6144 in.)
40.965 mm(1.6128 in.)
, balance
on