Graco 308178H Dynamic Surge Suppressor Manual De Usuario

8

308178

To reduce the risk of serious injury whenever you
are instructed to relieve pressure, always follow the
Pressure Relief Procedure on page 4.

Check all possible problems and causes before
disassembling the pump or surge suppressor.

Surge suppressor operates 
erratically

Clogged air line or air inlet

Inspect; clear.

Air line connected to pressure gauge
port

Connect air line to air inlet
(see page 11).

Clogged fluid supply line, fluid inlet or
fluid outlet

Inspect; clear.

Diaphragm (13 or 21

[

) ruptured

Replace. See page 9.

Unbalanced air pressures between
pump and surge suppressor

Ratio of air inlet pressure to surge
suppressor and air inlet pressure to
pump must be the same as pump ra-
tio, but air pressure to surge sup-
pressor must never exceed 100 psi
(0.7 MPa, 7 bar). See page 7.

Air bubbles in fluid

Fluid supply line loose

Tighten.

Diaphragm (13 or 21

[

) ruptured

Replace.  See page 9.

Manifold o-rings (16) leaking

Replace.  See page 10.

Fluid in exhaust air

Diaphragm (13 or 21

[

) ruptured

Replace.  See page 9.

Diaphragm plates (12 or 32) loose or
damaged

Tighten or replace.  See page 9.

Damaged shaft (11) or shaft o-rings
(19)

Replace.  See page 9.

Pump leaks air or fluid from cover (7)

V-clamp (6) is loose

Tighten V-clamp.  See page 9.

[