3304B & 3306B INDUSTRIAL & MARINE ENGINE ATTACHMENTS Caterpillar


Switch Group

Usage:

Pressure Switch Assembly

When installing switch, tighten to a maximum of ... 40 ± 5 N·m (30 ± 4 lb ft)

Terminal No. 1 is common.

Terminal No. 2 is normally open.

Terminal No. 3 is normally closed.

6T1546, 9X4276

With pressure increase, terminal 2 closes and terminal 3 opens at ... 93 ± 21 kPa (14 ± 3 psi)

With pressure decrease, terminal 2 opens and terminal 3 closes at ... 69 ± 21 kPa (10 ± 3 psi)

6T6652

With pressure increase, terminal 2 closes and terminal 3 opens at ... 158 ± 28 kPa (23 ± 4 psi)

With pressure decrease, terminal 2 opens and terminal 3 closes at ... 124 ± 21 kPa (18 ± 3 psi)

122-1522

With pressure increase, terminal 2 closes and terminal 3 opens at ... 76 ± 20 kPa (11 ± 3 psi)

With pressure decrease, terminal 2 opens and terminal 3 closes at ... 52 ± 17 kPa (8 ± 3 psi)

When installing switch, tighten to a of ... 30 ± 3 N·m (22 ± 2 lb ft)

2L3402

With pressure increase the switch closes ... 24.0 ± 3.5 kPa (3.5 ± .5 psi)

With pressure increase the switch closes ... 20 kPa (3 psi)

3L6306

With pressure increase the switch closes ... 55 ± 15 kPa (8 ± 2 psi)

With pressure increase the switch closes ... 42 kPa (6 psi)

7N5946

With pressure increase the switch closes ... 145 kPa (21 psi)

With pressure increase the switch closes ... 75 ± 20 kPa (11 ± 3 psi)

2N7744

With pressure increase the switch closes ... 44 ± 19 kPa (6 ± 3 psi)

With pressure increase the switch closes ... 27 ± 23 kPa (4 ± 3 psi)

9G8010

With an increase in pressure, switch closes at ... 90 ± 25 kPa (13 ± 4 psi)

With a decrease in pressure, switch opens at ... 70 ± 25 kPa (10 ± 4 psi)

3N7443

With an increase of pressure, switch operates at ... 130 to 145 kPa (19 to 21 psi)

With a decrease of pressure, switch operates at ... 105 to 110 kPa (15 to 16 psi)

Temperature Switch Assembly

3N7442

Switch must open between ... 24 and 29°C (75 and 84°F)

Switch must close between ... 18 and 24°C (64 and 75°F)

6N5899

Switch must open between ... 35 and 41°C (95 and 105°F)

Switch must close at minimum ... 27°C (81°F)

Torque terminal screws to a maximum of ... 1.2 N·m (11 lb in)

5N8597

Switch operates when the temperature increases to ... 97 to 99°C (207 to 210°F)

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.

2W8916

With an increase of temperature, switch must close between ... 91 and 93°C (196 and 199°F)

With a decrease of temperature, switch must open at a minimum of ... 85°C (185°F)

5N8857

With an increase of temperature, switch must close between ... 97 and 99°C (207 and 210°F)

With a decrease of temperature, switch must open at a minimum of ... 91°C (196°F)

Caterpillar Information System:

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3304B & 3306B INDUSTRIAL & MARINE ENGINE ATTACHMENTS Exhaust Line
3304B & 3306B INDUSTRIAL & MARINE ENGINE ATTACHMENTS Exhaust Fitting
3304B & 3306B INDUSTRIAL & MARINE ENGINE ATTACHMENTS Exhaust Pipe
3304B & 3306B INDUSTRIAL & MARINE ENGINE ATTACHMENTS Sender Group
3304B & 3306B INDUSTRIAL & MARINE ENGINE ATTACHMENTS Overspeed Contactor Group
3304B & 3306B INDUSTRIAL & MARINE ENGINE ATTACHMENTS Tachometer (Digital)
3304B & 3306B INDUSTRIAL & MARINE ENGINE ATTACHMENTS Indicators
3304B & 3306B INDUSTRIAL & MARINE ENGINE ATTACHMENTS Gear Oil Pressure
3304B & 3306B INDUSTRIAL & MARINE ENGINE ATTACHMENTS Temperature
3304B & 3306B INDUSTRIAL & MARINE ENGINE ATTACHMENTS Thermostatic Pilot Valve
3304B & 3306B INDUSTRIAL & MARINE ENGINE ATTACHMENTS Time Delay Relay
3304B & 3306B INDUSTRIAL & MARINE ENGINE ATTACHMENTS Magnetic Starter Switch
3304B & 3306B INDUSTRIAL & MARINE ENGINE ATTACHMENTS Start Switch
3304B & 3306B INDUSTRIAL & MARINE ENGINE ATTACHMENTS Systems Operation
3304B & 3306B INDUSTRIAL & MARINE ENGINE ATTACHMENTS Testing & Adjusting
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