3304 & 3306 INDUSTRIAL & MARINE ENGINES Caterpillar

SYNCHRO-START SOLENOID ILLUSTRATED

(2) 9L6588 Spring, used with "activated to run" solenoid.

Length under test force ... 1.54 in.(39.1 mm)

Test force ... 2.50 ± .20 lb.(11.12 ± 0.89 N)

Free length after test ... 2.43 in.(61.7 mm)

Outside diameter ... .70 in.(17.8 mm)

(3) 3N2835 & 7N9635 Shaft used with "activated to run" solenoid.

Tighten shaft to ... 9 ± 3 lb. ft.(12 ± 4 N·m)

SYNCHRO-START SOLENOID ILLUSTRATED

(4) Distance from face to shaft shoulder^* ... 1.02 in.(25.88 mm)

(5) 3N2836 & 6N591 Shaft used with "activated to shutoff" solenoid.

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^*A test on the engine can show need for more adjustment. The hold in test on engine must take less than 1 A.