10
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.
14.1 REPLACING THE SPARE PARTS
Diaphragm: a rod removed, use a 13 mm hexagon wrench, cross wrench, pull the 4 nuts respecting the preload
(to avoid breakdown voltages on prisoners of the plate) and then the shooting indicated Nm.
Intake valve: remove the 4 socket head screws 6x20 using a 5 mm Allen, replace the valve and, if necessary also
the seal mask. Make sure that the mask itself for cracks near the holes. Assemble in this order (from the
outside) mouth, seal, and valve mask (entering the wheel studs that act as centering in the mask) and screw it
all on the cross, always respecting preload and final shot with a torque wrench. The mask is reversible sided.
Discharge valve: remove the 4 socket head screws 6x30 using a 5 mm Allen and maintaining its nuts on the
back with a 10 mm hexagon wrench, replace the valve and, if necessary also the seal mask. Make sure that the
mask itself for cracks near the holes. Assemble in this order (from the outside) mouth, valve, mask and seal (by
inserting the wheel studs that act as centering in the mask) and screw it all on the cross, always respecting
preload and final shot with a torque wrench. The mask is reversible sided.
Body-support:
Disassembly
1.
Remove the 4 socket head screws 8x90 (6mm Allen key) media foot (on the shock absorber);
2.
Place the comfortable bench (on the breech if the electric motor, DO NOT TILT if combustion);
3.
Unscrew the socket head gradually and alternately 8x50 (6 mm Allen key and spanner 13mm) and the
two socket head 6x*** opposed to avoid breakdown voltages on the body.
4.
Separate the pieces and maintain.
Reassembly:
1.
And ‘advisable to bet before the two socket head screws (6 mm respectively on the intake, 6x20, blind
hole, and 6x30 on the outlet, through-hole) on the brass inserts;
2.
Insert the socket head screws 8x50 washer with nut and washer from the top and from the bottom,
pulling up to the cross preload with a torque wrench.
3.
Reach the preload even with the 6 mm screws
4.
Put it all on pins (respecting the notch on foot pvc that goes into place on the body) and fasten the
pump on the truck with 4 socket head screws 8x90. Bring to preload them.
5.
Pull all the screws, crossed the maximum load indicated.
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
