Hyundai HL955 Manual page 169

⑫
Preload compression spring (1) unsnap
L-ring.
Assembly aid
⑬
Remove support shim (1), compression
spring (2) and washer (3).
⑭
Lift piston (1) by means of compressed
air out of the cylinder bore and remove it.
⑮
Remove both O-rings (1 and 2).
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2
3
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1
2
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