36
6.7
Diaphragm reassembly
a)
Reassemble in the opposite direction to disassembly.
PRECAUTIONS
a)
Pay attention to the assembly direction of the Y packings (see the picture).
b) Lubricate the Y packing, the sealing ring and the slots with some lithium grease.
c)
Tightening pressure of nuts (1-27): 8.83 Nm.
6.8
Delivery and suction valve disassembly
a)
SUCTION VALVE
By means of a brass bar push the steel ball (1-19) by avoiding scoring the ball and its seat
(1-50).
b)
DELIVERY VALVE
Insert a finger into the valve and remove it.
6.9
Delivery and suction valve reassembly
a)
SUCTION VALVE
- Assemble the sealing ring (1-21) on the valve.
- Insert the ball (1-19).
- Insert the valve (1-50) into its seat.
b)
DELIVERY VALVE
- Assemble the sealing ring (1-21) on the valve.
- Insert the valve (1-20) into its seat.
- Insert the ball (1-19).
Torque wrench
cover screws
7.35 Nm
setting
delivery manifold screws
7.35 Nm
intake manifold screws
7.35 Nm
Information
PRECAUTIONS
for the
When the side covers are reassembled on the pump casing, do not reverse the delivery
operator
side with the suction one.
Sealing ring (1-21)
Sealing ring (1-21)
Delivery valve (1-20)
Brass pin
Steel ball (1-19)
Suction valve (1-50)
Summary of Contents for DDP 90 C WB
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