LTC Repair Lombardini Engine Troubleshooting - Wacker Neuson
LTC Repair Lombardini Engine Troubleshooting - Wacker Neuson LTC Repair Lombardini Engine Troubleshooting - Wacker Neuson
Lombardini Engine Troubleshooting LTC Repair 5.8 Checking Glow Plug Relay See Graphic: wc_gr002475 5.8.1 Remove the screws securing the engine control panel. Leave all wiring connected to the control panel. 5.8.2 Rotate the control panel to gain access to the rear of the control panel. Remove the enclosure cover to access the glow plug relay. 5.8.3 Place the keyswitch in the START position. A working relay will “click” when the keyswitch is in the START position. Check the continuity across the blue (L) and black (B) wires when the keyswitch is in the START position. If there is no continuity, the relay is faulty; replace it. 5.9 Replacing Glow Plug Relay See Graphic: wc_gr002475 5.9.1 Make note of the wire positions and disconnect all wires from the glow plug relay. 5.9.2 Bend back the tabs (a) securing the glow plug relay (b) and pull the glow plug relay from the enclosure. 64
LTC Repair Lombardini Engine Troubleshooting 5.10 Checking Glow Plugs See Graphic: wc_gr002033 5.10.1 Remove the glow plug from the engine. WARNING Burn hazard. Glow plugs can reach temperatures up to 1200°F (649°C). Do not touch the element of the glow plug. Be extremely careful when testing the glow plug. 5.10.2 Using 10-gauge wire, apply 12VDC to the glow plug—positive on the upper portion and ground the base. If the glow plug does not heat (glow) within five seconds, replace the glow plug. Note: If any one of the glow plugs needs replacing, replace all of them. 65
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<strong>Lombardini</strong> <strong>Engine</strong> <strong>Troubleshooting</strong> <strong>LTC</strong> <strong>Repair</strong><br />
5.8 Checking Glow Plug Relay<br />
See Graphic: wc_gr002475<br />
5.8.1 Remove the screws securing the engine control panel. Leave all wiring<br />
connected to the control panel.<br />
5.8.2 Rotate the control panel to gain access to the rear of the control panel.<br />
Remove the enclosure cover to access the glow plug relay.<br />
5.8.3 Place the keyswitch in the START position. A working relay will “click”<br />
when the keyswitch is in the START position.<br />
Check the continuity across the blue (L) and black (B) wires when the<br />
keyswitch is in the START position. If there is no continuity, the relay<br />
is faulty; replace it.<br />
5.9 Replacing Glow Plug Relay<br />
See Graphic: wc_gr002475<br />
5.9.1 Make note of the wire positions and disconnect all wires from the glow<br />
plug relay.<br />
5.9.2 Bend back the tabs (a) securing the glow plug relay (b) and pull the<br />
glow plug relay from the enclosure.<br />
64
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