Checking Intake Air Line; Check Points Of Every 400 Hours; Changing Engine Oil - Kubota D1803-CR-E4 Workshop Manual

CHECK AND MAINTENANCE
4.Check points of every 250 hours
2. Check the radiator hoses (1), (2) and clamp are
damaged or not.
• If the radiator hose (1), (2) or clamp is
damaged, replace it.
(1) Upper hose
3. If the clamp is loose, apply oil to the threads and
tighten it again correctly.
NOTE
• You must replace the radiator hose(s) every
2 years.
Also replace the clamp every 2 years and
tighten it correctly.

4.4 Checking intake air line

IMPORTANT
• To prevent serious damage to the engine, keep
out dust in the intake air line.
1. Make sure that the intake air hose(s) (1) are
connected correctly or not.
2. Visually check for cracks gas leak and anything else
unusual.
3. If the clamp (2) is loose, apply oil to the threads and
tighten it again correctly.
NOTE
• You must replace the intake air hose(s)
every 2 years.
Also replace the clamp (2) every 2 years and
tighten it correctly.
D1803-CR-E4,D1803-CR-TE4,D1803-CR-TIE4,V2403-CR-E4,V2403-CR-TE4,V2403-CR-TE4BG,V2403-CR-TIE4
(2) Lower hose
(1) Intake air hose
5. Check points of every 400
hours

5.1 Changing engine oil

CAUTION
• Make sure that you stop the engine before you
change the engine oil.
IMPORTANT
• When you use an oil of different brand or
viscosity from the previous, drain the remaining
oil.
• Do not mix 2 different types of oil.
• Engine oil must have the properties of API
classification CJ-4. Use the correct SAE Engine
Oil by reference to the ambient temperature.
Above 25 ℃ (77 ℉)
0 ℃ to 25 ℃ (32 ℉ to 77 ℉)
Below 0 ℃ (32 ℉)
1. Start and warm-up the engine for approximately 5
minutes.
2. Put an oil pan below the engine.
3. MAINTENANCE
(2) Clamp
SAE 30 or SAE 10W-30, SAE
15W-40
SAE 20 or SAE 10W-30, SAE
15W-40
SAE10W or SAE 10W-30, SAE
15W-40
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KiSC issued 12, 2018 A