Switches
Usage:
Pressure
(1) Tighten switch assembly to ... 30 ± 3 N·m (22 ± 2 lb ft)
(2) Tighten terminal screws to ... 1.7 ± 0.3 N·m (15 ± 3 lb in)
With an increase in pressure, switch closes at ... 24.0 ± 3.5 kPa (3.5 ± .5 psi)
Temperature
When installing switch tighten to a torque of ... 52 ± 8 N·m (38 ± 6 lb ft)
Terminal A is normally open.
Terminal B is common.
Terminal C is normally closed.
Actuation temperature ... 98 ± 2°C (208 ± 4°F)
Deactuation temperature (minimum) ... 91°C (196°F)
Switch must open between ... 24 and 29°C (75 and 84°F)
Switch must close between ... 18 and 24°C (64 and 75°F)
Caterpillar Information System:
3306B GENERATOR SET ENGINE ATTACHMENTS Sending Units
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3306B GENERATOR SET ENGINE ATTACHMENTS Starter Magnetic Switches
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3306B GENERATOR SET ENGINE ATTACHMENTS Auxiliary Drive Group
3306B GENERATOR SET ENGINE ATTACHMENTS Air Cleaner And Precleaner
3306B GENERATOR SET ENGINE ATTACHMENTS Jacket Water Heaters
3306B GENERATOR SET ENGINE ATTACHMENTS Radiator
3306B GENERATOR SET ENGINE ATTACHMENTS Fan Drive Belt Tightener
3306B GENERATOR SET ENGINE ATTACHMENTS Fan Drive
3306B GENERATOR SET ENGINE ATTACHMENTS Exhaust Elbow
3306B GENERATOR SET ENGINE ATTACHMENTS Tachometer (Digital)
3306B GENERATOR SET ENGINE ATTACHMENTS Indicators
3306B GENERATOR SET ENGINE ATTACHMENTS Alternators And Regulators
3306B GENERATOR SET ENGINE ATTACHMENTS Starting Motors
3306B GENERATOR SET ENGINE ATTACHMENTS Shutoff Solenoids
3306B GENERATOR SET ENGINE ATTACHMENTS Systems Operation
3306B GENERATOR SET ENGINE ATTACHMENTS Testing And Adjusting
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