6-Preparation before the box is split
37
CHK
ADJ
NO.
PART NO.
PART NAME
QTY
CAUTION
1
1251311-002094
M18×1.0 Hexagon thin nut
1
108±15N.m
2
1251514-003000
Lock washer, 18.2×30×2.5×2
1
3
1050358-005000
ZT184MP primary drive gear
1
4
1251801-003000
5×5.5×19.2 general flat key
1
5
1050358-007000
ZT184MP water pump drive gear
1
6
1050154-041000
counterweight timing drive sprocket A
1
7
1251802-004000
5×5.5×26×9 woodruff key
1
8
1050454-017000
crankshaft right bearing limit retaining ring
1
9
1251112-002093
M6×30 Hexagon flange bolts (color Zinc)
1
10
1050658-001000
ZT184MP variable speed star cam
1
11
1250404-003000
GB119.2φ3×10 cylindrical pin
1
PROCEDURE:
●
Remove the primary drive gear
The timing chain can be taken out directly after the oil pump assembly is disassembled.
Use a special tool to clamp the primary drive tooth (3) to prevent the crankshaft from
rotating when the nut (1) is removed.
Use a 24# sleeve to remove the nut (1), take out the lock washer (2), the primary drive
tooth (3), the flat key (4), the water pump gear (5), the sprocket (6), knock out the
semicircular key (7), and take out the retaining ring (8).
When installing the primary drive gear (3), do not miss the flat key (4).
●
Remove shift star wheel assembly
Use an 8# sleeve to remove 1 bolt
⑼
, and take out the cam
⑽
and cylindrical pin
⑾
.
Notice:
●
When installing the primary drive gear
⑶
and the shifting star wheel
⑽
, spray an
appropriate amount of oil.
●
The timing chain can be assembled only after the primary drive gear
⑶
is installed, and
the timing chain can be taken out after the oil pump is disassembled.
●
After the installation of the shifting star wheel
⑽
is completed, you can check whether
the shifting is normal.
●
The φ3 cylindrical pin must not be missing or dropped into the engine.
●
M18 nut threads should be coated with thread tightening glue.
Fig.2 DISASSEMBLY
PREPARATION OF BOX
Preparation before the box is split 2