279C Compact Track Loader MBT00001-UP (MACHINE) POWERED BY 3044C Engine(SEBP5067 - 42) - Documentation

Monday, February 08, 2016

4:39 PM

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/ Product: COMPACT TRACK LOADER
Model: 279C COMPACT TRACK LOADER MBT
Configuration: 279C Compact Track Loader MBT00001-UP (MACHINE) POWERED BY 3044C Engine

Testing and Adjusting

C3.4 Engines for Caterpillar Built Machines

Media Number -KENR6940-04 / Publication Date -01/03/2012 / Date Updated -01/03/2012

i02830900

Glow Plugs - Test

SMCS - 1412-081

Continuity Check of the Glow Plugs

Required Tools
Part Number / Part Name / Qty
237-5130 / Digital Multimeter / 1

Table 1

The following test will check the continuity of the glow plugs.

1.  Disconnect the power supply and the bus bar.

2.  Set the 237-5130 Digital Multimeter to check continuity (resistance). Turn the audible signal on the digital multimeter ON.

3.  Place one probe on the connection for the glow plug and the other probe to a suitable ground. The Digital Multimeter should make an audible sound. Replace the glow plug if there is no continuity.

4.  Check the continuity on all the glow plugs.

Checking the Operation of the Glow Plug

Required Tools
Part Number / Part Name / Qty
231-5130 / Digital Multimeter / 1
225-8266 / Ammeter / 1

Table 2

The following test will check the operation of the glow plugs.

1.  Disconnect the power supply and the bus bar.

2.  Connect the power supply to only one glow plug.

3.  Place the 225-8266 Ammeter on the power supply wire.

4.  Connect the 237-5130 Digital Multimeter to the terminal on the glow plug and to a suitable ground.

5.  Turn the switch to the ON position in order to activate the glow plugs.

6.  Check the reading on all of the glow plugs. Refer to Specifications, "Glow Plugs" for the values of the current for each glow plug.

7.  If there is no reading on the ammeter check the electrical connections. If the readings on the ammeter are low replace the glow plugs. If there is still no reading replace the glow plugs.

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