Piston Rings, Piston And Cylinder Installation - Linhai HY740STL 2018 Service Manual

CHAPTER 3 ENGINE
M750L SERVICE MANUAL 18.0
PISTON RINGS, PISTON AND
CYLINDER INSTALLATION
1. Install:
⚫Top ring 
⚫2nd ring 
⚫Side rails (oil ring) 
⚫Expander spacer (oil ring) 
NOTE:
⚫1
st nd
ring (1) and 2 ring (2) differ in shape.
⚫Face the side with the edge "C" and
stamped mark "D" when assembling.
⚫When installing the spacer, be careful so
that the both edges are not overlapped.
⚫Lubricate the pistons and piston rings
liberally with engine oil
2.Install:
⚫Piston 
⚫Piston pin 
⚫Piston pin clip 
NEW
NOTE:
⚫Apply engine oil to the piston pins.
⚫make sure to install the piston so that the
intake valve are located above of the exhaust
valve(the intake valve is bigger than the
exhaust valve)
⚫Before installing the piston pin clip, cover
the crankcase opening with a clean rag to
CHAPTER 3 ENGINE PAGE 3- 42