18
This screen will
appear if the
starter current
draw was to high.
If the tester detected the engine
compression strokes during
cranking, the result screen will
show the engine cranking RPM.
This screen will appear if the
engine cranking speed during
starting was to low.
STARTING TEST cont.
There are a few points to consider in testing a starting system on a diesel
engine. The BVA-460 is designed to recognize any signicant amount of draw;
this includes glow plugs in small diesel engines. In heavy-duty applications
consider computer and accessory draw.
• Make sure you start the engine quickly. The engine should be warm.
• Turn the ignition on and allow the glow plugs to heat up and click off
before you run the Starting Test.
If the results are out of specication do the following:
If manufacturer's specications are not available the chart below can be
used as a general guideline. The amounts are in Amps.
• Inspect the connectors for excessive voltage drop.
• Repair or replace any defective cables or connectors.
• Retest the system.
If still out of specications: High Amp reading may indicate
engine's ignition system is out of time or a faulty starter. Some
possible causes are shorted windings, bent armature, broken
housing or bad bearings.
STARTING CURRENT DRAW AND DIESEL ENGINES
650A
5 Cyl Gas
up to 250A
5 Cyl Dsl
up to 400A
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