Troubleshooting: Operation - Kubota U17-3a Operating Instructions Manual

Troubleshooting: Operation

Malfunction
Operation
Exhaust gas colour very black
Insufficient engine power
Coolant temperature too high
(overheated)
Charge lamp lights up
Deviation in driving direction of
excavator
No pilot-controlled hydraulic func-
tions available
Power of hydraulic functions is too
low or disruptive
Travel speed button does not work
Horn and working light do not work
82
Possible cause
Air filter restricted
Air filter restricted
Fuel filter restricted or water in fuel
system
Radiator dirty
Low coolant level
Cooling system components leak-
ing
V-belt too loose
Engine oil level too low
V-belt too loose
Defective fuse in alternator circuit
Crawler tension adjusted incor-
rectly
Defective fuse in fuse box
Hydraulic oil level too low
Suction filter restricted
Defective fuse in fuse box
Defective fuse in fuse box
Troubleshooting
Repair
Check and clean the air filter
(page 94).
Check and clean the air filter
(page 94).
Check the water separator for
water content, drain if necessary
(page 48), replace the fuel filter
(page 94).
Clean the radiator (page 90).
Check the coolant level, add cool-
ant, if necessary (page 89).
Check the cooling system for
leaks. Please contact your
KUBOTA dealer.
Check and adjust the V-belt ten-
sion (page 90).
Check the engine oil level, add oil,
if necessary (page 46).
Check and adjust the V-belt ten-
sion (page 90).
Replace the fuses (page 73).
Check and adjust the crawler
tension, if necessary (page 100).
Replace the fuses (page 73).
Check hydraulic oil level and top
up, if necessary (page 96).
Change the suction filter in the
hydraulic oil tank. Please contact
your KUBOTA dealer.
Replace the fuses (page 73).
Replace the fuses (page 73).