INSTRUCTION FOR THE USE AND MAINTENANCE - LIBELLULA 1/3” SERIES - Vers. 1/16
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INSTRUCTION FOR THE USE AND MAINTENANCE - LIBELLULA 1/3" SERIES –vers. 01/16
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15. SPARE PARTS
To order spare parts indicate:
a) Serial number of the pump and of the engine.
b) Serial number and name of the wanted spare part.
15.1 REPLACING THE SPARE PARTS
Diaphragm: Use a 19 mm wrench. Loosen the bolts connecting pump body to reducer support; loosen the bolts
fixing the connecting rod to the diaphragm locking adapter. To assemble proceed in reverse order.
Attention: support the engine-‐reducer during this operation using appropriate lifting means ensuring the
pump lifting hook is suitable for the correct balancing of the load; therefore use appropriate means.
Suction and delivery valves:
Use a 19 mm wrench; loosen the two fastening bolts and replace. A valve fixing pin is positioned on the
pump body that facilitates correct installation.
Spring connecting rod:
In case of repairing the connecting rod item 218L540I, ensure the total length of the same is 305 mm.
Other spare parts:
To replace other parts, refer to the spare parts catalogue with exploded view of the parts; it is advisable to
contact your usual supplier for particular repairs.
All repair operations regarding the engine must be carried out in compliance with the instructions and
maintenance manual of the engine, attached to this manual.
FASTENING TORQUES
Between
and
Model
Fastening torque
Notes
[
kgm
]
[
Nm
]
BODY
PORT
LIB-‐1/3”
2,5
24,5
Tightens the valve
SUPPORT
BODY
LIB-‐1/3”
4
39,2
Tightens the diaphragm
CONNECTING ROD PLATE
LIB-‐1/3”
3,5
34,3
REDUCER
SUPPORT
LIB-‐1/3”
3,5
34,3
COVER
BODY
LIB-‐1/3”
1,6
15,7
Tightens cover and reducer
carter
16. DISPOSAL
In case of demolishing the machine or placing it out of service, differentiate the parts according to the
manufacturing materials and dispose of them complying with the current Standards in the country where
demolition or placing out of service takes place.
