Engine Will Not Crank or Cranks Slowly (Electric Starting Motor)
Cause Corrections
----------
Engine Drive Units Engaged
OK
f
Disengage engine driven units. Refer to
the operation and maintenance manual.
----------
Battery Connections Broken, Loose, or
Corroded
OK
f
Check battery connections. Clean and
tighten if necessary. Refer to Procedure
6-02.
----------
Battery Charge Low
OK
f
Check electrolyte level and specific gravity.
Refer to Procedure 6-01. Recharge/replace
batteries.
----------
Battery Rating Too Low
OK
f
Replace battery with correct rating.
Refer to Section 6.
----------
Oil for Operating Conditions Incorrect
OK
f
Change oil and filters. Use the type
recommended (15W-40). Check
operation.
----------
Oil Temperature Too Low
OK
f
Install oil pan heater or drain oil and
refill with warm oil.
----------
Battery Temperature Too Low
OK
f
Check battery heater operation. Refer
to the manufacturer’s instructions.
----------
Battery Cables Incorrect Gauge or Length
OK
f
Replace cables with larger gauge or
shorter length. Refer to Section 6.
(Continued)
Troubleshooting Symptoms Charts SectionT-Troubleshooting
N14Page T-70
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