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1 About this documentation
1.1 Validity
This documentation applies to the exchange of the modular scraper system or
the lube unit on the profile or tie rod cylinder, series PRA, TRB, ITS, and CCL-IS and
stainless steel round cylinders, series CSL-RD.
1.2 Presentation of information
1.2.1 Warnings
In this documentation, there are warning notes before the steps whenever there
is a risk of personal injury or damage to equipment. The measures described to
avoid these hazards must be followed.
Structure of warnings
Hazard type and source
Consequences of non-observance
Precautions
u
Meaning of the signal words
Immediate danger to the life and health of persons.
Failure to observe these notices will result in serious health consequences, in-
cluding death.
Possible danger to the life and health of persons.
Failure to observe these notices can result in serious health consequences, in-
cluding death.
Possible dangerous situation.
Failure to observe these notices may result in minor injuries or damage to
property.
Possibility of damage to property or malfunction.
Failure to observe these notices may result in damage to property or malfunc-
tions, but not in personal injury.
1.2.2 Symbols
Recommendation for the optimum use of our products.
Observe this information to ensure the smoothest possible operation.
2 Notes on safety
Useful load falling from piston rod!
With a vertical mounting orientation of the cylinder, a load suspended on the
piston rod can fall when the compressed air supply is switched off.
Remove and secure suspended loads from the piston rod before you switch
u
off the compressed air supply.
Mechanical loads!
The cylinder or cylinder parts can be damaged if the scrapers are exchanged
improperly.
Make sure that the cylinder is not damaged by falling parts or incorrect tool
u
usage. Especially avoid damage to the piston rod and seals.
AVENTICS™ | R412019487-BAL-001-AH | English
SIGNAL WORD
DANGER
WARNING
CAUTION
NOTICE
NOTICE
NOTICE
3 Scope of delivery
• 1x modular scraper system or 1x lube unit
• 1 set of assembly instructions
4 Preparing for exchange
1. Extend the piston rod.
2. Secure the suspended load.
3. Release the piston rod from the load.
4. Retract the piston rod.
5. Make sure the cylinder is without pressure.
6. Make sure the relevant section of the system is not under voltage and protect
it from being switched on.
7. Keep a tool with the correct wrench size ready at hand (see
g Table 3)
For the modular scraper system with Ø 50 to 125 mm, you require a
hook wrench according to DIN 1810 A for assembly and disassembly.
5 Removing scraper or lube unit
Danger of burns caused by hot piston rod!
The piston rod warms up in operation, which may lead to burns.
Let the cylinder cool first.
u
1. Remove the nut from the piston rod.
2. Release the scraper or the lube unit with a tool with the correct wrench size
(see
g Table 2
and g Table 3).
3. Unscrew the old scraper or lube unit completely and remove it over the piston
rod.
1.
Fig. 1: Removing the nut for piston rod
2.
3.
Fig. 2: Removing the modular scraper system and lube unit
g Table 2
CAUTION
1.
2.
2.
3.
3.
and
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