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9LD Workshop Manual _ cod. 1.5302.286 - 3° ed_rev. 02
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Fuel feeding pump components
Components:
1 Drive rod: - length: 32,55 ÷ 32,65 mm
- measured protrusion A: 1,47 ÷ 2,07 mm
2 Gasket
3 Camshaft eccentric
4 Manual priming lever
Characteristics:
when the control eccentric rotates at 1000 r.p.m. minimum delivery is
73 l/h while self-regulation pressure is 0.5 ÷ 0.7 bar.
Injection pump for Standard and 97/68 CE engines
Components:
1 Pump body 9 Gasket
2 Holder-delivery valve 10 Rack
3 O-ring 11 Metering sleeve
4 Filter 12 Ta p pet s p r i n g
5 Shim 13 Upper retainer
6 Valve spring 14 Lower retainer
7 Delivery valve 15 Ta pp et
8 Plunger and barrel assembly 16 Ta pp et r ol l er
INJECTION PUMP
The injection system consists of a single-body pump with plungers
featuring constant stroke and feeding one cylinder each.
The pump, mounted on the crankcase is directly operated by the
camshaft.
Speed governor, extra fuel and stop device are separate from the pump
(see pages 48, 49, 50 and 78).
Fuel system
Piston fuel lift pump (on request)
Characteristics:
when the control eccentric rotates at 1000 r.p.m. minimum delivery is
65 l/h while self-regulation pressure is 1.5 ÷ 2.5 bar.
Important
The drive rod and its protrusion do not change in relation to the
diaphragm pump.
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