Judging Reuse Of Dpf Filter Comp Before Cleaning (Service Dealer) - Kubota D1803-CR-E4 Workshop Manual

3. MAINTENANCE
12. Install the removed parts and cleaned filter comp
(DPF) (16).
NOTE
• Replace the gaskets (19), (20) with new
ones.
• If the differential pressure tube is damaged
or cracked, replace it.
• When the differential pressure pipe (7), (12)
and exhaust gas temperature sensor (22),
(23), (24) is removed, wipe off the anti-seize
& lubricating compound, apply a anti-seize &
lubricating compound (Bostik, NEVER SEEZ,
Pure Nickel Special Grade), and then attach
them to their correct position.
• When replacing the differential pressure
pipe (7), (12) apply a anti-seize & lubricating
compound (Bostik, NEVER SEEZ, Pure
Nickel Special Grade), and then attach it to
its correct position.
• When replacing the exhaust gas temperature
sensor (22), (23), (24), check that it is coated
with anti-seize & lubricating compound, and
then attach it to its correct position.
• Tighten bolts and nuts to their specified
torque.
Also tighten the exhaust gas temperature
sensor tightening nut or the differential
pressure pipe tightening nut to the specified
torque with crowfoot wrench.
• After attaching the assembly, start the
engine and make sure that there are no gas
leaks.
• Reassemble the filter comp (DPF) (16) in the
correct direction.
Filter comp (DPF)
bracket (15), (17)
Exhaust gas tem-
Tightening tor-
perature sensor
que
(22), (23), (24)
Differential pres-
sure pipe (1), (4)
3-22
16 to 20 N⋅m
1.7 to 2.0 kgf⋅m
12 to 14 lbf⋅ft
25.0 to 35.0 N⋅m
2.55 to 3.56 kgf⋅m
18.5 to 25.8 lbf⋅ft
16.0 to 23.0 N⋅m
1.64 to 2.34 kgf⋅m
11.8 to 16.9 lbf⋅ft
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
(1) Differential pressure pipe
(4) Differential pressure pipe
(15) Filter comp (DPF) bracket
(16) Filter comp (DPF)
(17) Filter comp (DPF) bracket
(18) Body (DPF outlet)
(19) Gasket
(20) Gasket
RELATED PAGE
7.58 Replacing DPF on page 4-196
9.3 Judging reuse of DPF filter comp
before cleaning (Service dealer)
IMPORTANT
• Before ordering to a cleaning contractor, follow
the procedures below to make a Judgment on
whether the separated filter comp (DPF) is
reusable.
1. Check to see that the surface of the removed filter
comp (DPF) on the exhaust gas outlet side is not
darkened.
(21) Catalyst (DOC)
(22) Exhaust gas temperature
sensor (T )
0
(23) Exhaust gas temperature
sensor (T )
1
(24) Exhaust gas temperature
sensor (T )
2
KiSC issued 12, 2018 A