Graco ProBell Instructions And Parts

Repair
Replace A Shap
ing Air Solenoid Valve
NOTE: This part is not used on Manual Air
Controllers.
Follow these d
irections to replace either the inner
shaping air (
SI) solenoid (57) or the outer shaping air
(SO) solenoi
d(57).
1. Follow directions at Prepare for Service, page 24.
2. Disconnect air tubing (49).
3. Disconnect the electrical wires. See table.
Table 13 Wi
re Connections, Solenoids 8 and 9
Solenoid
Terminal B
lock
Inner Shap
ing Air
13 and 14
Outer Shaping Air
20 and 21
4. Loosen the swivel on fitting (58). Remove the
solenoid assembly.
5. Remove fittings (58, 59) and muffler (61) from
the solenoid (57).
6. Apply thread sealant to the threads on the fittings
(58, 59). Tighten them into the new solenoid,
along with the muffler (61).
7. Install the solenoid assembly and tighten the
swivel on fitting (58).
8. Reconnect the wires. Connect the line power
and the COM wire to the two terminal blocks
listed. It doesn’t matter which wire goes to which
terminal. See the table.
9. Reconnect air tubing (49).
10. Test new solenoid using maintenance screens on
the system logic controller. See manual 3A3955,
System Logic Controller, for more information.
3A3954B 29

Graco ProBell Specifications

General

Brand	Graco
Model	ProBell
Category	Controller
Language	English