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Workshop Manual KD 441_cod. 1.5302.865_2
nd
ed_ rev.
01.
159
8
158
1
2
A
E
B
157
3
4
5
6
E
11
10
9
8
7
12
12
D
C
A
B
Injection pump refitting
The plunger is fitted with helix
E
facing towards the outlet union
A
;
if it is mistakenly fitted with the helix facing the intake coupling
B
the
injection pump no longer operates (there is no danger of engine ru-
naway); complete refitting following fig. 136.
Fuel system
Injection pump components and disassembly
1
Delivery union
2
Filler
3
Spring
4
Gasket
5
Delivery valve
6
Gasket
7
Spring retainer
8
Spring
9
Sleeve
10
Rack
11
Piston (pumping element)
12
Pin
A
Fuel exhaust union screw with non-return valve
B
Fuel inlet union screw
C
Fastening
D
Plunger barrel (in the injection pump case)
E
RH helix
Demount in compliance with the numeric order.
Plate
9
is held firm by pins
12
. Lever up by inserting a tool between
the plate and the body of the pump.
The volume shifted by delivery valve
5
is 21 mm
3.
Injection pump, body, plunger and delivery valve
Components:
1
Collar
2
Barrel
3
Piston (or pumping element)
4
Right helix
5
Delay notch
6
Pump body
B
Inlet hole
C
Exhaust hole
Dimensions mm:
A
= 7.00 (nominal diam.)
B
= 2.00÷ 2.03
C
= 1.50÷1.53
Summary of Contents for RD 441
Page 1: ...15 LD 441 KD 441 SERVICE MANUAL cod 1 5302 865 _ 2nd ed _rev 01 HORIZONTAL CRANKSHAFT...
Page 2: ......
Page 31: ...31 Workshop Manual KD 441_cod 1 5302 865_2nd ed_ rev 01 Notes...
Page 47: ...47 Workshop Manual KD 441_cod 1 5302 865_2nd ed_ rev 01 Notes...
Page 61: ...61 Workshop Manual KD 441_cod 1 5302 865_2nd ed_ rev 01 Notes...
