BOXER 700HDX - Engine Starting and Running Problems

Troubleshooting
5.2
Problem Possible Causes Corrective Action
Engine will not start, starts
hard, or fails to keep run-
ning.
• Auxiliary hydraulics lever is
not in neutral position with
a hydraulically powered
attachment installed.
• Move lever to neutral
position.
• Fuel tanks are empty. • Fill fuel tanks with diesel fuel.
• Glow plugs not working. • Cycle glow plugs for about
10 seconds and try starting
engine.
• Air cleaner is dirty. • Clean air lter housing and
replace the lter elements.
• Injectors may be plugged • Have the diesel fuel injectors
serviced by your Authorized
Service Dealer.
• Air in fuel system. • Bleed air from fuel system.
See Kubota engine manual
for complete procedures and
see Section 4, Replacing
Fuel Filter for air bleed
instructions.
• Dirty or contaminated fuel lter. • Replace fuel lter.
• Dirt, water or stale fuel is in
fuel system.
• Drain fuel in tanks into
an appropriate storage
container and dispose of bad
fuel properly.
• Rell fuel tanks with fresh,
clean fuel.
• Replace fuel lter.
• 30 Amp fuse blown. • Replace fuse.
Engine loses power.
• Engine load is excessive. • Reduce ground speed.
• Reduce speed of
attachment.
• Air cleaner is dirty. • Clean air lter housing and
replace the lter elements.
• Engine oil level in crankcase
is low.
• Add the appropriate engine
oil to crankcase. See engine
manual for oil specications.
• Cooling ns and air passages
under engine blower housing
are plugged.
• Remove obstruction
from cooling ns and air
passages.
• Fuel injectors may be plugged
or dirty.
• Have the diesel fuel injectors
serviced by your Authorized
Service Dealer.