Installing Supply Pump; Installing Suction Control Valve (Scv) - Kubota D1803-CR-E4 Workshop Manual

4. ENGINE
3. Tight the oil filter cartridge (5) by hand.
NOTE
• Apply the engine oil to O-ring of oil filter
cartridge (5).
(5) Oil filter cartridge

6.23 Installing supply pump

NOTE
• Do not disassemble the supply pump.
• When attaching the supply pump to crankcase,
do not put force on the SCV and overflow
sections of the part.
• Do not remove the dust protection cap until
immediately before you attach the part.
1. Install the supply pump (1) and tighten the supply
pump mounting nut / screw to the specified torque.
Supply pump
Tightening tor-
mounting nut /
que
screw
(1) Supply pump
2. Install the fuel feed pump (2).
4-148
23.5 to 27.5 N⋅m
2.40 to 2.80 kgf⋅m
17.4 to 20.2 lbf⋅ft
D1803-CR-E4,D1803-CR-TE4,D1803-CR-TIE4,V2403-CR-E4,V2403-CR-TE4,V2403-CR-TE4BG,V2403-CR-TIE4
(2) Fuel feed pump
6.24 Installing suction control valve
(SCV)
NOTE
• Replace the O-ring of SCV with a new one.
Tools required
• Silicon grease
• Hexagon wrench (4 mm-square)
1. Install the O-ring to SCV (1).
NOTE
• Apply clean silicon grease on the O-ring of
the SCV tip.
2. Install the SCV until it hits the supply pump housing
and tighten to the specified torque with hexagon
wrench.
NOTE
• Turn the SCV (1) carefully, and prevent the
SCV from jamming the O-ring.
Tightening tor- SCV mounting
que screw (2)
(1) SCV
SERVICING
6. Assembling
5.0 to 7.0 N⋅m
0.51 to 0.71 kgf⋅m
3.7 to 5.1 lbf⋅ft
(2) SCV mounting screw
KiSC issued 12, 2018 A