Doc : Q066 Rev : 10
Issued : 01/11/13 Page : 9 of 25
e. Reconnect pneumatic supply line.
f. Open the handpump stop valve by rotating its handle anti-clockwise.
11. Maintenance
11.1 All Paladon Systems Ltd actuators have been designed to provide long service
with minimum maintenance; however, a preventative maintenance program is
recommended. Preventative maintenance programs not only help avoid
unanticipated and costly down time, but also typically reduce the overall cost of
ownership.
11.2 It is the user’s responsibility to ensure that all applicable health and safety
legislation is followed when undertaking any maintenance work.
11.3 WARNING! Before commencing any maintenance work, the actuator’s
pneumatic supply line, actuator and associated controls must be fully
depressurised. After system depressurisation, the actuator and controls
must be isolated from the supply line, and from any remote control signals.
Failure to follow any of these steps may result in unanticipated actuator
and valve movement, possibly resulting in serious injury or death.
11.4 Any unauthorised maintenance or modification to the actuator and, where
applicable, the control system may invalidate the warranty.
11.5 Periodic inspection is recommended, specifically;
That smooth valve operation is maintained, and within the required stroking
time.
That there is no external damage to any components.
The pneumatic supply pressure is kept within the specified range.
Pneumatic connections do not show any signs of leakage.
Paint system remains undamaged.
That any dirt or debris is removed from actuator surfaces.
12. Pneumatic Cylinder Seal Replacement
12.1 Remove the blank head flange retaining nuts (see Section 16.3, Dwg. PNX-XXX-
CYXXX-00-001-PL, Item 7 – commercial part).
12.2 Remove the blank head flange (see Section 16.3, Dwg. PNX-XXX-CYXXX-00-
001-PL, Item 5 – manufactured part).
12.3 Slide off the cylinder liner (see Section 16.3, Dwg. PNX-XXX-CYXXX-00-001-PL,
Item 1 – manufactured part).
12.4 Remove the frame cover retaining screws (see Section 16.1, Dwg. XXX-XXX-
FRXXX-00-001-PL, Item 1 – commercial part).
12.5 Remove the frame cover (see Section 16.1, Dwg. XXX-XXX-FRXXX-00-001-PL,
Item 2 – manufactured part).
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