PIN AS 2227346 - Caterpillar

Illustration 1 g03136217
Typical example
Table 1
Specification for 171-8708 Flow Switch, 171-8709 Flow Switch, 171-8710 Flow Switch Gp, and 171-8711 Flow Switch Gp
Item Qty Part Specification Description
1 1 9X-4730 Flow Switch Test the flow switch with the paddle (3) in the vertical position and apply force on the rivet head (2).
Actuation force is 0.362 0.029 N (0.081 0.007 lb).
Minimum deactuation force is 0.303 N (0.068 lb).
Contact position is normally open.
- - - When the switch is installed in the engine cooling system, there is not enough force from the flow of coolant at engine cranking speed in order to activate the switch. When the engine is running at low idle, the flow of coolant has enough force in order to activate the switch.