DAELIM ROADWIN VJ125 - SERVICE, Руководство по обслуживанию

Страница: 114 / 251

PISTON ASSEMBLY
● Clean the piston heads, ring lands and skirts.
● Carefully install the piston rings onto the piston with
the markings facing up.
●
After installation, the rings should rotate freely in the
ring grooves.
PISTON INSTALLATION
● Install the piston and insert the piston pin.
10-5
CYLINDER / PISTON
MARK
TOP RING
SECOND RING
SIDE RAIL
SPACER
OIL RING
SIDE RAIL
·
Be careful not to damage the piston and rings during
assembly.
·
Do not confuse the top and second rings.
·
Space the ring end gaps 120 degrees apart.
·
Space the side rail gaps 40mm or more apart as shown.
· Place a clean shop towel over the crankcase to prevent
the clip from falling into the crankcase.
·
The mark that is stamped on the piston head should be
facing the correct direction.
“ IN ” MARK : TO INTAKE SIDE
“ EX ” MARK : TO EXHAUST SIDE
TOP RIDNG
SECOND RING
PISTON PISTON PIN CLIP
PISTON PIN
● Install new piston pin clips.
Always use new piston pin clips. Reinstalling used
piston pin clips may lead to serious engine damage.
·
Take care not to drop the piston pin clip into the
crankcase.
·
Set the piston pin clip in the groove properly.
·
Do not align the clip’s end gap with the piston cutout.