Installation Instructions

ManualsBrandsKubota ManualsMiscellaneousB2400

1 ENGINE

(4) Injection Pump

B1700·B2100·B2400

WSM,11770

A

Bosch

MD

type

mini

pump

is used

for

the

injection pump. It

is

small,

lightweight

and

easy

to

handle.

The

plunger

(4)

with

a left-hand lead recipro-cates

via the tappet roller

(3)

by means

of

the camshaft

fuel

cam,

causing the fuel

to

be

delivered

into

the

injection nozzle.

1. No fuel delivery

At

the engine stop position

of

the control rack (3),

the lengthwise slot

(1) on the plunger

(2)

aligns

with

the feed hole

(5).

And

the

delivery chamber

(4)

is

led

to

the feed hole during the entire stroke

ofthe

plunger.

The

pressure in

the

delivery chamber does

not

build up and no fuel

can

be

forced

to

the injection

nozzle.

2.

Fuel

delivery

The plunger (2)

is

rotated

(See

figure)

by

the

control rack

(3).

When the plunger

is

pushed up,

the

hole

(5)

is

closed.

The

pressure in the delivery

chamber

(4)

builds up and forcefeeds the fuel

to

the injection nozzle until the control groove (6)

meets the feed hole

(5).

The

amount

of

the

fuel

corresponds

to

the

distance"

A".

0087F024

0109F304

hr---B--+A

5

(1)

Cylinder

(2)

Control

Rack

(3)

Tappet Roller

(4)

Plunger

(1)

Slot

(2)

Plunger

(3)

Control

Rack

1-M14

(5)

Delivery Valve

(6)

Delivery Valve Holder

(7)

Dumping Valve

(4)

Delivery Chamber

(5)

Feed

Hole

(6)

Control Groove