Troubleshooting
77
Troubleshooting: Operation
Malfunction Possible
cause
Repair
Operation
Exhaust gas colour very black
Air filter restricted
Check and clean the air filter
(page 89).
Air filter restricted
Check and clean the air filter
(page 89).
Insufficient engine power
Fuel filter restricted or water in fuel
system
Check the water separator for
water content, drain if necessary
(page 50), replace the fuel filter
(page 89).
Radiator dirty
Clean the radiator (page 85).
Low coolant level
Check the coolant level, add cool-
ant, if necessary (page 84).
Cooling system components leak-
ing
Check the cooling system for
leaks. Please contact your
KUBOTA dealer.
Coolant temperature too high
(overheated)
V-belt too loose
Check and adjust the V-belt ten-
sion (page 85).
V-belt too loose
Check and adjust the V-belt ten-
sion (page 85).
Charge lamp lights up
Defective fuse in fuse box
Replace the fuses (page 73).
Deviation in driving direction of
excavator
Crawler tension adjusted incor-
rectly
Check and adjust the crawler
tension, if necessary (page 95).
Hydraulic oil level too low
Check hydraulic oil level and top
up, if necessary (page 91).
Power of hydraulic functions is too
low or disruptive
Suction filter restricted
Change the hydraulic oil tank
suction filter. Please contact your
KUBOTA dealer.
Horn and working light do not work Defective fuse in fuse box
Replace the fuses (page 73).