7- LEFT CRANKCASE ASSEMBLY
31
CHK
ADJ
NO.
PART NO.
PART NAME
QTY
CAUTION
1
1251100-165000 M6×16
-
13.8×8.7 pivot bolt
1
12±1.5N.m
2
1051256-001000 ZT158MJ Tension Strip
1
3
105015
6
-0
05
000
ZT158MJ timing chain 96 links SCZ-0404SV
1
4
1250201-034093 GB818M5×20(environmental protection color)
2
5
1050656-010000 ZT158MJ file display component
1
6
1051454-011000 22.5×2.5 fluorine rubber O-ring
1
7
1050654-007000 ZT180MN gear display contact assembly
1
ZT158MJ Left crankshaft box assembly-2
PROCEDURE:
●
Use a 6# Allen key to remove the bolt
⑴
, and remove the tension bar
⑵
in the direction of the arrow
①
.
●
Pull the toothed chain
⑶
in the direction of arrow
②
to remove it.
●
Use a cross batch to remove the two bolts
⑷
, and remove the gear display assembly
⑸
, sealing ring
⑹
and
gear display contact assembly
⑺
.
CAUTION:
●
When installing the bolts, apply a proper amount of thread fastening glue on the threads.
●
The toothed chain(3) should mesh with the drive gear of the crankshaft during installation.
●
Gear display contact assembly
⑺
When installing, the spring faces the engine side and needs to be sprayed
with proper amount of oil for lubrication.
●
The sealing ring
⑹
is recommended to be replaced after disassembly to avoid oil leakage due to poor sealing.
●
When installing the gear display assembly
⑸
, check whether the sealing ring is displaced, trimmed, etc., and
confirm that there is no problem before tightening the bolt
⑸
.
Fig.5 LEFT CRANKCASE
ASSEMBLY