Samson 3756, Mounting And Operating Instructions

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EB 3756 EN 9-1
Servicing
9 Servicing
The work described in this section is only to
be performed by personnel appropriately
qualified to carry out such tasks.
Risk of injury due to high pressure in the
device.
The booster valve is pressurized. Improper
removal of the installed booster valve can
lead to device components bursting and
cause serious injury.
Î
Depressurize the booster valve before
removing it (disconnect the supply air
and protect it against unintentional
reconnection).
Crush hazard arising from moving parts on
the valve.
Control valves contain moving parts (actua -
tor and plug stem), which can injure hands
or fingers if inserted into the valve.
Î
Do not touch any moving valve parts
while the control valve is in operation.
Î
Before performing any mounting or
installation work on the booster valve,
put the control valve out of operation by
disconnecting the supply air and control
signal. Protect it against unintentional
reconnection.
Î
Do not impede the movement of the actu -
ator and plug stem by inserting objects
into the yoke.
The booster valve was checked by SAMSON
before it left the factory.
− The product warranty becomes void if
service or repair work not described in
these instructions is performed without
prior agreement by SAMSON's After-sales
Service.
− Only use original spare parts by
SAMSON, which comply with the original
specifications.
9.1 Periodic inspection and
testing of the booster valve
We recommend inspection and testing ac-
cording to Table 9-1 at the minimum.
DANGER !
WARNING !
Note