SQR7080
维修手册
372
发动机机械部分
(4) Remove the bearing cover and measure the
maximum width of the spacing. If it goes beyond the
limit, replace the bush.
[Benchmark]
:0.025-0.069mm
[Limit]
:0.10mm
5 Disassembling of connecting rod assembly of the
piston
(1). Use the piston ring pliers to remove the primary
ring, the secondary ring and the oil ring
[Attention]
Do not mix up the pistons and piston rings
for each unit of assembly.
(2). Use SST to remove the piston, connecting rod and
piston pin
①
Remove the piston pin to take off the piston and the
connecting rod by using SST.
7-3 Clearing
7-3-1 Cylinder body
Warning
Wear eye glasses during the clearing
operation to protect your eyes.
1. Use flat chisel to clear the cylinder body, the
cylinder cover, the oil bottom casing, the oil pump and
the oil seal.
7-3-2 Piston
Waring
Wear eye glassed in the process of cleaning to
protect your eyes.
1. Use the old ring to clean the accumulated carbon in
the ring groove.
2. Clean the accumulated carbon at various parts with
detergents.
[Attention]
Do not use metal brush or some other hard
sutstance to do the cleaning.
Mark
SST
SST
40
Chery Automobile Co., Ltd
