Valid from serial number T-code
713962- 403-414, 669-671, 716-718
Order number Date
218920-040 2005-06-01
© BT Europe AB Service Manual REFLEX RR B,E RR B,E CC 31- 3
Free lift cylinder – 6620
Dismantle the rod seal and support ring
31.3.1 Dismantling the cylinder
• Place the bottom stud (6) in a vice and allow the top section of the
cylinder to rest against a pipe stand or similar so that the cylinder lies
in the horizontal position.
• Carefully knock the top sleeve (2) with a rubber mallet. Carefully
heat a little, if necessary.
• Loosen the top sleeve (2) using pipe wrench 08-15393.
• Carefully pull the rod out of the cylinder so that the threads are not
damaged. Place the rod on a soft and clean surface to prevent dam
-
age.
• Knock off the top sleeve (2) using a rubber mallet.
31.4 Dismantle the rod seal and support
ring
• Carefully tap a screwdriver into the rod seal (5) without making any
marks whatsoever on the piston (3).
NOTE!
If the piston is scratched, it must be replaced to prevent leakage from
occurring.
• Very carefully lift up the rod seal (5).
• Carefully cut off the rod seal (5) using a knife so that no damage is
caused to the piston (3).
• Remove the support ring (4).
31.4.1 Assembling the rod seal and support
ring
• Fit the support ring (4) on the piston (3).
• Fit the rod seal (5) on the piston (3) using assembly tools 08-15418
and 08-15419.
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