Inspection Item; Daily 50 Hrs; Initial; Hrs - Kubota D1803-CR-E4 Workshop Manual

3. MAINTENANCE

Inspection item

Checking exhaust manifold (crack,
gas, leakage and mounting screw)
Replacing oil separator rubber
hose
Replacing rubber hose of differen-
*2
tial pressure sensor
Replacing intake hose (after air
flow sensor) and intercooler hose
Replacing EGR cooler hose
Replacing water hose
Replacing lubricant hose
Changing radiator coolant (L.L.C.)
Replacing radiator hose and clamp
bands
Replacing fuel hose and clamps
Replacing intake air line
NOTE
• When the battery is used for less than 100 hours in a year, check its electrolyte yearly (for refillable
battery's only).
• The items above (*1 marked) are registered as emission related critical parts by KUBOTA in the U.S. EPA
nonroad emission regulation.
As the engine owner, you are responsible for the performance of the required maintenance on the engine
according to the above instruction.
Please see the warranty statement in detail.
• The items listed above other than *1 marked are not necessary to keep the emission-related warranty
valid.
• *2: Only for D1803-E4, -TE4, V2403-E4, -TE4
• Failure to perform the maintenance will cause problems that will significantly degrade the engine
performance.
CAUTION
• When changing or inspecting, be sure to level and stop the engine.
NOTE
• Changing interval of engine oil.
Models
D1803-CR-E4
D1803-CR-TE4
D1803-CR-TIE4
V2403-CR-E4
V2403-CR-TE4
V2403-CR-TIE4
V2403-CR-TE4BG
API service classification: above CJ-4 grade
Ambient temperature: below 35 ℃ (95 ℉)
Engine oil
NOTE
• Refer to the following table for the suitable American Petroleum Institute (API) classification of engine oil
according to the engine type and the Fuel Type.
3-2

Initial

Every
Daily

50 hrs

50 hrs
Every 400 Hrs or 1 year whichever comes first
Initial 50 Hrs
D1803-CR-E4,D1803-CR-TE4,D1803-CR-TIE4,V2403-CR-E4,V2403-CR-TE4,V2403-CR-TE4BG,V2403-CR-TIE4
Service interval
Every Every Every Every
250 400 500 1000
hrs hrs hrs hrs
Interval
Every Every Every
Every
1500 3000 2
1 year
hrs hrs years
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Reference
page
3-27
3-27
3-28
3-28
3-28
3-28
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3-30
3-31
3-31
KiSC issued 12, 2018 A