Categories: Excavator Repair

Kubota U10/U20 Excavator Engine Starting Malfunction Solution

This illustration show you guide on how to solve Kubota U10/U20/U35/U45 engine starting malfunction.

 

Related Contents:

2022 Kubota Takeuchi Diagmaster v22.08.01 v4.1.2 Software Free Download

Kubota EPC Spare Parts Catalogue 2021.06 Download

Takeuchi Excavator Workshop EPC+Service Manual 2018 PDF Files

 

Steps:

First check battery charging amount and earth line condition.

Second check if battery voltage is on S-terminal of starter when starter switch is at ‘ start’ position.

If battery voltage doesn’t exist at B-terminal;

Check continuity of slow blow fuse.

Check continuity between 30 and 50 terminals when turning on the switch.

Coupler or wire harness have failure of connection.Kubota EPC Download

Check continuity of wire harness.

* Fusible link and 30-terminal of starter SW.

*S-terminal of starter motor and 50 terminal of starter SW.

 

In case battery voltage exists at B-terminal; starter motor should be suspected and so check the following.

  1. Contact failure of S-terminal.(Check continuity between S-terminal and body earth.)
  2. Starter body earth failure.(Check continuity between starter and body earth.)
  3. Cutting of pull-in coil and holding coil.(Check continuity test between S-terminal and body.)

More repair cases for Kubota,please refer to:Kubota Trouble Repair

auto

Recent Posts

QSK60 CM2358 Engine Camshaft Speed/Position Sensor Data Erratic Incorrect

This illustration show you guide on how to repair Cummings QSK60 CM2358 engine camshaft speed/position…

5 days ago

Fendt MT800E Tractor DEF Tank Temperature Does Not Change Solution

Here is the instruction show yo guide on how to solve Fendt MT800E tractor DEF…

1 week ago

HITACHI Construction 4JJ1 P0092 Fuel Pressure Regulator Control Circuit High

Here car-auto-repair.com show you guide on how to solve ISUZU construction 4JJ1 engine P0092 fuel…

1 week ago

How to Solve Perkins 1106D EPG Engine E398 Low Fuel Rail Pressure Error

Here is the illustration show you guide on how to solve Perkins 1106D electric power…

1 week ago

Deutz EMR3 Aassembly Inspection and Initialisation Test Guide

Here comes the instruction on how to use SerDia2010 to perform assembly inspection and initialization…

1 week ago

HITACHI ZX-5 Excavator No Load Max Differential Pressure Measurement Guide

This instruction show you guide on how to perform No load max differential pressure measurement…

2 weeks ago