Suzuki Swift User Manual page 280

6A-16 ENGINE MECHANICAL (G10, 1-CAM 6-VALVES ENGINE)
Don't apply force
6) Remove camshaft housings from cylinder head.
7) Remove camshaft from cylinder head.
8) Remove valve lash adjuster from cylinder head.
NOTE:
D Never disassemble hydraulic valve lash adjuster.
D Don't apply force to body of adjuster, for oil in high pres-
sure chamber in adjuster will leak.
D Immerse removed adjuster (2) in clean engine oil (1) and
keep it there till reinstalling it so as to prevent oil leakage.
If it is left in air, place it with its bucket body facing down.
Don't place on its side or with bucket body facing up.