SWITCH GP-MULTIFUNCTION 2138479 - Caterpillar

Introduction
The 4C6710 Governor Test Unit Group is designed to test and adjust Heinzmann® Electronic Governors, without the need to operate (run) the engine. This greatly simplifies both the installation and service of the governor.The 4C6710 Governor Test Unit Group can be used to perform the following functions:* Measure governor frequency when the engine is operating.* Measure feedback voltage when the engine is stopped.* Simulate the engine to perform the following:Check governor frequency at different fuel levels.Adjust and check the minimum and maximum governor frequency levels.Adjust the speed droop during droop operation.Check the effect of gain, stability, and derivative value settings on engine operation.Components of 4C6710 Governor Test Unit Group
(1) 4C6711 Frequency Measurement Cable. (2) 4C6712 Governor Test Cable.Specifications
FREQUENCY RANGE: 100 - 10,000 Hz ( 5 Hz) VOLTAGE RANGE: 1 - 6 Volts ( 50 mV) SIMULATOR FREQUENCY: 150 - 8,000 Hz OUTPUT VOLTAGE: 8 Volt (peak to peak) Maximum CURRENT CONSUMPTION: 8 mA Maximum BATTERY: 9 Volt TEMPERATURE RANGE: 0 - 45° C (32 - 104° F)Changing the Battery
To change the battery, slide the cover off the rear of the test unit. Remove the old battery, then install a new 1U9534 Battery as a replacement.Install the cover on the rear of the test unit.Ten Pin Switch
The ten pin switch that is included in the 4C6710 Governor Test Unit Group, is plugged into the accessory connector on the governor control unit when its power supply is being checked. Instructions on how to make this check are given in the Service Manual for the Heinzmann Governor.Frequency Measurement
1. Disconnect the speed pickup cable from the Heinzmann