TROUBLESHOOTING TABLE (cont)
TEST OR INSPECTION
3. ENGINE CRANKS BUT DOES NOT START WHEN THE
TEMPERATURE IS BELOW +40°F (+4°C) AND THE AIR BOX HEATER
Step 1. Have unit maintenance check to see if air box heater system
is operating properly.
Step 2. Have unit maintenance check to see if air box heater fuel and
air lines and electrical connections are tight.
Tighten any loose connections.
4. ENGINE CRANKS TOO SLOW TO START.
Check to see if battery cable connections are clean and tight,
and battery water is up to correct level (page 3-12).
Use outside power source (page 2-174) or tow start
(page 2-253) the carrier. If the cause of slow cranking is not
obvious, have unit maintenance troubleshoot the electrical
If temperature is colder than -25°F (32°C) check to see if
engine disconnect lever is engaged (page 2-167).
Never try to move the engine disconnect lever when the
engine is running. Do not leave engine disconnected more than
10 minutes. Damage to the transfer gearcase can result.
Disengage the engine disconnect lever (page 2-167).
If engine still cranks too slowly, record fault on form DA 2404
and notify unit maintenance.
5. ENGINE LABORS, RUNS ROUGH, STALLS, OR DOES NOT PUT OUT
Step 1. Check
Step 2. Check
to see if engine is getting enough air.
air cleaner restriction indicator (page 2-81). If indicator
only red in the window, notify unit maintenance.
to see if there is water in the fuel.