Usage:
Type ... Automatic Reset
Nominal current rating ... 12.5 A
Maximum voltage rating ... 36 VDC
Torque for two screws ... 1.7 ±0.2 N·m (15 ± 2 lb in)
Electric
5N8293 Shown (Typical Illustration)
7E7143, 5N8293, 1W1223, 2W6665
Voltage rating (except 7E7143) ... 24/32V
7E7143 ... 12V
Coil resistance at 25°C (77°F) (except 7E7143) ... 3.3 to 4.1 ohms
7E7143 ... 0.69 to 0.85 ohms
Energized to ... shutoff
| NOTICE |
|---|
This solenoid must not be used in constant operation for more than 2.5 minutes or damage may result. |
(1) Torque for terminal nuts ... 1.23 to 1.92 N·m (11 to 17 lb in)
(2) Distance from end of solenoid to end of plunger ... 11.3 mm (.44 in)
(3) Tighten locknut to a torque of ... 24 ± 7 N·m (18 ± 5 lb ft)
(4) Distance of plunger travel [start with dimension (2)] ... 15.9 mm (.63 in)
(5) Spring:
5L8983 (For 5N8293 Shutoff Solenoid)
Length under test force ... 31.75 mm (1.250 in)
Test force ... 8.9 N (2.00 lb)
Free length after test ... 57.15 mm (2.250 in)
Outside diameter ... 44.45 mm (1.750 in)
7N9845 (For 2W6665, 1W1223, 7E7143 Shutoff Solenoid)
Length under test force ... 31.09 mm (1.224 in)
Test force ... 16.7 ± 1.3 N (3.75 ± .30 lb)
Free length after test ... 78.75 mm (3.100 in)
Outside diameter ... 44.45 mm (1.750 in)
(6) Distance from shaft shoulder to plunger plate:
5N8293 Shutoff Solenoid ... 35.30 mm (1.390 in)
1W1223 & 7E7143 Shutoff Solenoids ... 22.68 mm (.893 in)
2W6665 Shutoff Solenoid ... 20.62 mm (.812 in)
4P0303 Shown
4P0303, 7W7787
Solenoid plunger.
Stop bolt.
Locknut.
Lockwire and seal.
Coil resistance at 25°C (77°F)
Pull-in coil ... 0.560 ± .056 ohms
Hold-in coil ... 21.5 ± 2.2 ohms
Air
Typical Illustration
3N8164, 3N9118
NOTE: Put a small amount of clean engine oil or glycerin on the lip of seal (4) and in the bores for the O-ring seals at assembly.
(1) Distance bearing is installed below pipe surface ... 0.25 ± 0.25 mm (.010 ± .010 in)
(2) Diameter of shaft ... 15.80 ± 0.03 mm (.622 ± .001 in)
Bore in bearings ... 15.88 mm (.625 in)
Bore in pipe for bearings ... 18.263 ± 0.013 mm (.7190 ± .0005 in)
(3) Valve assembly shown in the "run" (open) position.
When the valve is closed a 0.08 mm (.003 in) feeler gauge must not fit between the valve and the bore in the pipe at any point.
(4) Seal. Install the seal with the tip of the seal toward the outside as shown.
(5) Diameter of shaft ... 9.60 ± 0.03 mm (.378 ± .001 in)
Bore in the bearing ... 9.80 ± 0.03 mm (.386 ± .001 in)
NOTE: Adjust shaft as needed to change spring tension until hold-in current consumption (draw) is less than 2A at shutdown.
(6) 135-4649 Torsion Spring:
Free length ... 54.5 mm (2.15 in)
Outside diameter ... 30.4 mm (1.20 in)
(7) 3N7848 Spring:
Length under test force ... 22.86 ± 0.50 mm (.900 ± .020 in)
Test force ... 4.0 N (.90 lb)
Free length after test ... 35.6 ± 0.5 mm (1.40 ± .02 in)
Outside diameter ... 18.8 ± 0.5 mm (.74 ± .02 in)
(8) Bracket assembly. Bracket assembly must be adjusted so valve assembly (3) is parallel to pipe bore within 2 degrees.
(9) 4N3890 Solenoid:
Voltage rating ... 24V or 32V
Current consumption (draw):
Pull-in windings ... 39.1A at 38.4V
Hold-in windings ... .58A at 38.4V
Plunger travel ... 11.7 ± 0.3 mm (.46 ± .01 in)
Distance from plunger face to flange face:
with solenoid energized* ... 9.6 ± 0.5 mm (.38 ± .02 in)
with plunger extended ... 21.28 ± 0.13 mm (.838 ± .005 in)
*The hold-in current consumption (draw) on engine must take less than 2A at shutdown.
(10) Diode assembly. Diode assembly required to suppress the back EMF voltage spike generated when the solenoid is turned off.