Samson DF30 Manual De Uso página 13

In fluid with air bubbles.
Diaphragm damaged.
Suction hose loose or broken.
Powered air leak pressure of 3 to 7 bar.
Wear directional valve.
No start-up and is leaking air without cycles.
Stiff air sensors.
Wear directional valve.
There are several models of directional valves mounted on diaphragm
pumps DF. Externally controlled directional valve, directional valve with
remote exhaust and normal exhaust. To identify the one you have
Kit DIRECTIONAL VALVE normal exhaust
Pos. Description
1 Air inlet circlip
2 O-ring
3 Inlet adaptor
4 Pivoting arm
5 Distributor lower seal
A
6 Directional valve body
7 O-ring
8 Sealing drum
9 Bolt
10 Muffler
11 Air outlet circlip
Samson Corporation • One Samson Way • N.C. 28778 Swannanoa USA • Phone (828) 686-8511 • Fax (828) 686-8533
Cause
Cause
Cause
Repair and maintenance procedures
DF_ _ _ X X X X X X X X X
Qty. Material
1 Steel
1 NBR
1 Steel
1 Elastollan Delrin
2 NBR
1 Aluminium
1 NBR - PTFE
1 Elastollan Delrin
1 Stainless steel
1 Brass
1 Steel
Troubleshooting
Replace directional valve components.
Directional valve
purchased, go to the following chart with your product code, which can
be found on the nameplate of the pump, in the case externally controlled
see the parts drawing for your pump on pages 7-10.
Kit DIRECTIONAL VALVE normal exhaust
Pos.
1
2
3
4
5
B
6
7
8
9
11
12
Maintenance (to remove the pivoting arm):
1. Remove 1, 2 ,3 , 10, 11, 12
2. Remove 9
3. Remove 4, 7, 8
Recommended measure
Replace diaphragm.
Tighten or replace.
Recommended measure
Recommended measure
Change air sensor.
Replace.
X
Description Qty.
Air inlet circlip 1
O-ring 2
Inlet adaptor 1
Pivoting arm 1
Distributor lower seal 2
Directional valve body 1
O-ring 1
Sealing drum 1
Bolt 1
Air outlet circlip 2
Outlet adaptor 1
Material
Steel
NBR
Steel
Elastollan Delrin
NBR
Aluminium
NBR - PTFE
Elastollan Delrin
Stainless steel
Steel
Steel
13
R. 12/13 855 822