Shock Absorbers, Depressurizing

Shock absorbers, depressurizing
A -Opening by drilling





^ Secure gas-filled strut vertically in vise, with piston rod facing down.

WARNING: Always wear eye protection when performing this procedure.

^ Drill a hole 3 mm in diameter (arrow -A-) through outer tube of strut.

Note: Gas will escape while drilling.

^ Continue to drill through inner tube (approximately 25 mm deep).
^ Drill a second hole 6 mm diameter (arrow -B-) through outer and inner tubes of strut.
^ Hold strut over an appropriate drain bucket and move piston rod repeatedly through its entire stroke until no more oil flows out.

B - Opening with a pipe cutter

WARNING: Always wear eye protection when performing this procedure.





^ Drill a hole 3 mm diameter -A- through outer tube of strut or saw through tube wall.

Note: Gas will escape while drilling or cuffing.

^ Attach a pipe cutter (e.g. 150/3 Stahlwille Express) as shown in illustration and cut through outer tube.
^ Pull piston rod upward, hold inner tube with pliers during this and press it downward so that it stays in outer tube when piston rod is pulled up slowly.
^ Remove piston rod from inner tube.
^ Empty strut tube.