Cobra Y173V - Page 57

4. DISASSEMBLING AND SERVICING
53
“▽”MARK
PISTON RING
COMPRESSOR
(COMMERCIALLY
AVAILABLE)
PUSH ROD
HOLE
c) Bearing
 Apply oil to the circumference of a new ball bearing.
 Drive the ball bearing in the cylinder barrel using 6205 tool.
Tools：
Driver handle
Retainer assembler
DRIVER
RETAINER
Inner assembler
d) Oil seal：
 Apply oil to the circumference of
a oil seal.
 Drive the oil seal in the cylinder
barrel using following tool.
BEARING
INNER
RETAINER
ASSEMBLER
Driver Handle
RETAINER
ASSEMBLE
OIL SEAL 25×40×7
Tools：
Driver handle
Retainer assembler
 Apply the lubrication oil on, after reassembling.
e)Piston：
 Apply oil to the piston and cylinder.
 Install the piston with the mark on the
piston head toward the push rod hole side.
③Piston check
Check the piston and cylinder for
contacting, and check the groove for
defects, piston top for burn and cracks. If
damaged, replace.