Check Points Of Every 3000 Hours; Checking Turbocharger; Cleaning Dpf - Kubota D1803-CR-E4 Workshop Manual

3. MAINTENANCE
9. Check points of every 3000
hours

9.1 Checking turbocharger

Turbine side
1. Check the exhaust port (3) and the inlet port (5)
side of the turbine housing (1) for exhaust gas
leakage.
NOTE
• If you find a gas leakage, tighten the bolts and
nuts again or replace the gasket (2), (4), (6) with
a new one.
(1) Turbine housing
(2) Gasket
(3) Exhaust port
Compressor side
1. Check the inlet hose of the compressor cover (7)
for air leakage.
NOTE
• If you find an air leakage, change the clamp
and / or the inlet hoses.
(7) Compressor cover
2. Replace the inlet hose and check the suction side
of the intake hose for loose connections or crack.
3-20
(4) Gasket
(5) Inlet port
(6) Gasket
D1803-CR-E4,D1803-CR-TE4,D1803-CR-TIE4,V2403-CR-E4,V2403-CR-TE4,V2403-CR-TE4BG,V2403-CR-TIE4
CHECK AND MAINTENANCE

9.Check points of every 3000 hours

NOTE
• If you find loose connections or cracks,
tighten the clamp or replace the hoses.
Radial clearance
1. Check the radial clearance between wheel and
housing.
NOTE
• If the wheel touches the housing, replace
the turbocharger assembly with a new one.

9.2 Cleaning DPF

IMPORTANT
• Since the DPF that was dropped or given a
shock cannot be reused even if there is no
damage outwardly, replace it with a new one.
• Be sure to loosen the exhaust gas temperature
sensor tightening
pressure pipe tightening nut with crowfoot
wrench to prevent the damage of the sensor or
pipe.
If it is still hard to loosen, apply the lubricant
spray to threaded portion and soak it with
lubricant.
NOTE
• Always work in the workshop equipped with a
electric lift (including mobile lift).
• Put a product (engine) on a stable ground, and
set the parking brake.
• As the DPF muffler full assembly is hot just
after the engine shutdown, make sure to start
operation after it gets cool.
• Make sure not to let any foreign substances
enter the opening section during the operation.
• Make sure not to damage the DPF muffler full
assembly by falling or impact as it contains a
ceramic filter.
• Before removing the DPF muffler full assembly
from a product (engine), connect the diagnosis
nut or the differential
KiSC issued 12, 2018 A