3408 & 3408B DIESEL TRUCK ENGINE Caterpillar


Shutoff Solenoids

Usage:



(1) Torque for terminals nuts ... 1.6 ± 0.4 N·m (14 ± 3 lb.in.)

(2) Terminal marked "S".

NOTE: Do not attach leads to terminal marked "S".

(2) 5L8983 Spring used with 2N2384 Solenoid:

Length under test force ... 31.8 mm (1.25 in.)

Test force ... 9 N (2 lb.)

Free length after test ... 57.2 mm (2.25 in.)

Outside diameter ... 35.3 mm (1.39 in.)

(3) 7N5628 Spring used with 2N2384 Solenoid:

Length under test force ... 29.2 mm (1.15 in.)

Test force ... 14.5 N (3.26 lb.)

Free length after test ... 70.6 mm (2.28 in.)

Outside diameter ... 44.5 mm (1.75 in.)

(3) 7N9845 Spring used with 9G110 Solenoid:

Length under test force ... 31.1 mm (1.22 in.)

Test force ... 16.7 N (3.75 lb.)

Free length after test ... 78.8 mm (3.10 in.)

Outside diameter ... 44.5 mm (1.75 in.)

(4) Distance between shaft and plate.*

7N2208 Shaft ... 35.3 mm (1.39 in.)

6N4241 Shaft ... 24.4 mm (.96 in.)

Torque for shaft nut ... 24 ± 7 N·m (18 ± 5 lb.ft.)

(5) Distance of plunger travel [start with dimension of 11.2 mm (.44 in.) at (6)] ... 15.7 mm (.62 in.)


*On engine a test can show need for more adjustment. Hold-in test on engine must take less than 2 A.

2N2384 Solenoid Current consumption (draw):

Pull-in Windings:

At 5V ... 8.4 to 9.5 A

At 12V ... 21.2 to 23.7 A

Hold-in Windings:

At 12V ... 1 A max.

**9G110 Solenoid Current consumption (draw).

Pull-in Windings:

At 5V ... 6.0 to 7.2 A

At 10 to 12V ... 11.9 to 17.2 A


**This solenoid must not be used in constant operation for more than 2.5 minutes or damage may result.
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