Graco 312066z Manuale Utente
Repair
36
312066Z
Transducers
1.
Turn main power OFF
. Disconnect power
supply.
2.
Relieve pressure, page 23.
3.
Refer to electrical diagrams. Motor control board is
on right side inside cabinet.
on right side inside cabinet.
4.
Disconnect transducer cables at board; see F
page 35. Reverse A and B connections and check if
diagnostic code follows; see E21: No component A
transducer, page 12.
diagnostic code follows; see E21: No component A
transducer, page 12.
5.
If transducer fails test, thread cable through top of
cabinet. Note path as cable must be replaced in
same way.
cabinet. Note path as cable must be replaced in
same way.
6.
Install o-ring (820) on new transducer (806), F
IG
. 3.
7.
Install transducer in manifold. Mark end of cable
with tape (red=transducer A, blue=transducer B).
with tape (red=transducer A, blue=transducer B).
8.
Route cable into cabinet and thread into bundle as
before.
before.
9.
Connect transducer cable at board; see F
. 2, page
35.
Electric Fan
1.
Turn main power OFF
. Disconnect power
supply.
2.
Relieve pressure, page 23.
3.
Check fuses (F) at left of breaker module, F
IG
. 4.
Replace if blown. If good, continue with step 4.
4.
Refer to electrical diagrams. Disconnect fan wires
from fuses (F).
from fuses (F).
5.
Remove fan.
6.
Install fan in reverse order.
F
IG
. 3. Transducers
TI10957a
820
806 (B Side)
801
806 (A Side)
F
IG
. 4. Fan Fuses
F
ti9884a-1