3512B and 3512C Petroleum Generator Set Engines Caterpillar


Air Shutoff

Usage:

3512B 9G8


Illustration 1g03319606

Table 1
Specification for 386-1971 Air Shutoff Gp 
Item  Qty  Part  Specification Description 
139-1568 Solenoid As  Operating voltage is 24 to 32 VDC.
Resistance at 25 °C (77 °F) is 3.24 to 3.96 Ohms. 


Illustration 2g03319607
135-0180 Air Shutoff Gp (2)

Table 2
Item  Qty  Part  Specification Description 
2W-4880 Plate As  A 0.8 mm (0.03 inch) feeler gauge must not pass between the plate and the housing at any point when the plate is in the closed position. 
129-3021 Ring  Before assembly, bond the ring to the housing with Loctite 411. 
4W-7959 Spring  Length under test force is 32 mm (1.3 inch).
Test force is 19.9 ± 2.0 N (4.5 ± 0.4 lb).
Free length after test is 56 mm (2.2 inch)

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