Professional corner
Installation - Disposal Procedures
Disposal of used shock absorbers
For safety reasons, always wear safety glasses and protective gloves.
- Place the shock absorber in a horizontal position
- Make sure the shock absorber is secure and cannot move during drilling.
- Before drilling, pull the rod out to its full extension
- With Ride-Leveler shock absorbers, cut away the rubber sleeve and treat as a twin-tube unit
- Check unit type: high-pressure monotube, low pressure twin-tube or conventional twin-tube (all high pressure monotube shock absorbers are marked "high-pressurized-do not heat or open").
High pressure monotube (25 - 30 bar)
- Drill a small hole (3 - 5mm) 2cm from the lower body end (A) to remove the gas. Oil may be forced out during drilling and a cloth should be placed around the area to reduce flow
- Drill two additional 3 - 5mm holes at (B) and (C) to remove the oil (see 10 below)
Low pressure twin-tube (3 - 5 bar) or conventional twin-tube (see 1 - 5)
- Drill a 2mm hole 3cm from the lower body end in the reserve tube (A1)
- When the gas pressure is released, drill a 5mm hole 1.5cm deep at (A2)
- Compress the shock absorber by a minimum of 30mm
- Drill another 5mm hole 1.5cm deep, 5cm from the top side
- Move the piston rod up and down to accelerate oil removal
- The shock absorber oil should be treated as motor oil and disposed of in accordance to national waste disposal legislation
- Check with local authorities for facilities for disposal of oil and parts.
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