Replace A Shaping Air Solenoid Valve - Graco ProBell 24Z221 Instructions And Parts

Replace a a a Shaping Shaping Air
Replace Replace Shaping
Note
This part is not used on Manual Air
Controllers.
Follow these directions to replace either the inner
shaping air (SI) solenoid (57) or the outer shaping air
(SO) solenoid (57).
1. See Prepare for Service, page
2. Disconnect the air tubing (49).
3. Disconnect the electrical wires. See the table for
more information.
Table 11 Table Table 11 11 Wire Wire Connections, Wire Connections, Connections, Solenoids
Solenoid Solenoid Solenoid Terminal Terminal Blocks Terminal
Electronic Electronic Air Electronic
Controller
Controller Controller
Inner 13 and 14
Shaping Air
Outer 20 and 21
Shaping Air
4. Loosen the swivel on the fitting (58). Remove
the solenoid assembly.
5. Remove the 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 the air tubing (49).
3A3954D
Air Solenoid Solenoid Valve Valve
Air Solenoid Valve
24.
Solenoids 8 8 8 and Solenoids and 9 9 9 and
Blocks Blocks
Air Air Manual Manual Air Manual Air Air
Controller
Controller Controller
14 and 15
18 and 19
10. Test the new solenoid using maintenance
screens on the system logic controller. See
manual 3A3955, System Logic Controller, for
more information.
Repair
29