REV
. 10
22-04-2020
INSTALLATION
,
USE AND MAINTENANCE MANUAL
–
PN
18 / 40
Jurop
SpA
Via Crosera n° 50
33082 Azzano Decimo, PN (Italia)
T
EL
. +39 0434 636811 F
AX
. +39 0434 636812
http://www.jurop.it
e-mail: [email protected]
6.2.
Extraordinary maintenance
• Except for the cases described below, extraordinary maintenance
on a PN must be carried out by specialized personnel only; otherwise
the guarantee will be invalidated.
• All extraordinary maintenance interventions must be carried out
when the machine is cold, stopped and switched off. Implement the
safety instructions reported in the “Safety and accident prevention”
Chapter, before performing any maintenance operation.
Follow the safety prescriptions as described in
Cap. “Safety and accident prevention”.
Replacing the vanes
• Disassemble the decompressor from the base and wash it before
starting to work.
• It is preferable to work on the front side of the machine. The
drawing represents the different components to be removed to replace
the vanes.
• Dismantle the transmission parts:
Pulley.
Hydraulic transmission parts.
Check their conditions and replace the worn components.
• We recommend replacing components subject to wear (specific
kits are available, see the exploded view in the manual):
Seal rings.
O-Rings and other gaskets.
PN 23-33 with Direct Transmission
Pic.6.5
Pos
Code
Description
1
-
VANE
2
1610500900
FLANGE
3
1610504000
FRONT FLANGE
4
1680701000
FLANGE GASKET
5
4022200025
SEAL 55X35X10
6
4022200037
SEAL 65X48X10
7
4022200230
O-RING 4575
8
4023100018
BEARING 6206-NMQ
9
4026510025
SEEGER E 30
Disassemble operation
• After removing the cardan shaft guard and the front shaft (smooth
/ broached), remove the direct intake flange (2) and its gasket (4).
• Remove the decompressor flange (3) and do not lose the
underlying O-Ring (7).
• Support the shaft before removing the flange: the weight of the
rotor must not cause any abnormal stress on the internal components.
• Remove the worn vanes (1).
• Complete the disassembly procedure:
Remove the seal ring (6) from the decompressor flange (3) and
the snap ring (9);
Finally, remove the bearing (8) and the seal rings (5).
Assemble operation
• Lubricate and then insert all the vanes into their seats (1). Insert
with the chamfer in the correct position, see Pic. 6.6.
Pic. 6.6
• Reassemble the components in the following order:
Secure the O-Ring (7) using some grease, in the seat on the
flange (2). It is recommended to replace the O-Ring (7).
Fit the new seal rings (5) on the flange (2): avoid damaging the
seal rings (5) while fitting them on the shaft. Centre properly
and tighten the screws. Insert the bearing (8) properly and all
the way into its seat.
Insert the snap ring (9) and the seal ring (6).
Fit the direct intake transmission flange (2) with its gasket (4).
It is recommended to replace the gasket.
Smooth / broached shaft.
Cardan shaft guard.
PN 45-…-106 with Direct Transmission
Fig.6.7