Disassembly of injection pump of new holland_b115 engine
2022 CASE New Holland Electronic Service Tools(CNH EST v9.6) Engineering Diagnostic Software
STEP 1
Secure loader in raised position, (see Operator
Manual), and stop engine.
STEP 2
Remove the battery cover from the right step. If the
machine has only one battery, disconnect the
negative battery cable from the battery, (See
Operator Manual).
STEP 3
If the machine has two batteries, remove the terminal
nut (1). Remove the negative battery cable (2) from
the terminal and move the negative battery cable
away from the battery. Make sure the jumper cable
(3) is installed on the terminal and start the terminal
nut (2) onto the terminal.
STEP 4
Loosen jam nut for throttle cable.
STEP 5
Remove the two throttle arm mounting bolts, move
the throttle cable out of the mounting bracket.
STEP 6
Disconnect the ground strap (1). Disconnect the
STEP 7
Remove the starter from the engine and install
380000988 engine turning tool.
STEP 8
Remove the front rocker arm cover and injector line
retaining bracket mounting bolt. Using engine turning
tool turn engine in direction of running rotation until
push rods can be turned freely.
STEP 9
Have an assistant continue to turn the engine with
turning tool while pressing in on lock pin located just
below injector pump.
STEP 10
Once the lock pin has engaged continue to turn with
light pressure on turning tool until engine has
completely stopped rotating.
New Holland AG& CE Service Manuals PDF 2019Download (170GB)
STEP 11
Loosen injector pump locking bolt and remove the
slotted plate, tighten the locking bolt to 20 to 24 lb-ft
(27 to 33 Nm).
STEP 12
Remove the injector line retaining bracket mounting
bolts.
4 SECTION 10 – ENGINE – CHAPTER 1
Issued 12-04
STEP 13
Remove fuel filter and mounting bracket from engine.
STEP 14
Disconnect the power lead to the injector pump.
STEP 15
Disconnect the fuel inlet line from the fuel pump and
fuel return line from the injector pump. Cover line and
fitting to keep foreign material from entering the fuel
system.
STEP 16
Remove the mechanical fuel pump and engine oil
filler tube from the engine.
NOTE: In the following photos the engine is shown
removed from the machine, this is for clarity only, it is
not required to remove the engine.
STEP 17
Loosen fuel injector lines (1), disconnect fuel return
line (2), and boost line (3) at the pump. Cover lines
and fittings to keep foreign material from entering the
fuel system.
STEP 18
Disconnect fuel feed line from injector pump. Cover
line and fitting to keep foreign material from entering
the fuel system.
STEP 19
Disconnect temperature sensor.
STEP 20
Reaching through the inlet hole in the frame, remove
the three plate retaining bolts, remove the plate.
CNH DPA5 Adapter New Holland Heavy Duty mechanical Diagnostic Tool
STEP 21
Loosen and remove nut and washer.
WARNING: Use caution when removing nut and
washer they can be dropped inside of the engine,
engine will have to be disassembled to remove the
nut or washer.
STEP 22
Install gear puller and tighten bolts until gear is loose.
STEP 23
Remove the three mounting nuts from the studs, two
are located at arrows, one is located at the bottom of
the pump. Remove the pump from the engine
6 SECTION 10 – ENGINE – CHAPTER 1
Issued 12-04
