Fuel Feed Pump Drive; A 01.40 Fuel Feed Pumps - Hatz Diesel 1D30 S Workshop Manual

A 01.00 Fuel

A 01.40 Fuel feed pumps

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I. Fuel feed pump
General:
When connecting the fuel feed pump take
care for arrangement of suction and supply
hose.
Preparations:
– Disconnect fuel supply from fuel feed and
injection pump.
Dismantling:
– Remove in numerical sequence 1 ... 3.
NOTE:
When removing the upper nut, make sure
that the stud 4 does not turn in the crank-
case as it serves as the anchor pin for the
governor lever retainer spring. If turning of
the stud cannot be avoided, remove the
spring from the pin. The front cover must be
removed to remove the spring.
Ref.: Chapt. M 11.00
Inspection / repair:
– Visual inspection.
For further repair proceed as follows:
– Remove in numerical sequence 5 ... 14.
Required only if irregularities such as poor
suction / pumping action i.e. contaminated
strainer or leaks have been noted.
– Check and replace all parts in question.
Assembly:
– Pre-assemble in reverse sequence 14...5.
– Assemble in reverse sequence 3 ... 1.
– Ensure actuating lever 16 is in bottom
position and „O"-Ring 3 remains in its
groove when assembling.
– After installation and a short test run,
check the fuel system for leaks.
2
1D . . / 03.06
II. Fuel feed pump drive
General:
Models Z/U/C
Bushing 15 is replaced by the actuating
lever 16.
Models S/T
Plug 17 is replaced by the plug 18 with
ring groove.
Preparations:
– Remove fuel feed pump.
– Remove timing cover.
Ref.: Chapt. M 11.00
Dismantling:
– Remove part 20/21 and lever 16.
– Remove shaft 19.
For removal use tool - 25 -
Plug 18 remains in crankcase.
Inspection / repair:
– Visual inspection.
– Check parts for wear and/or any other
damage.
Assembly:
– Assemble in reverse sequence .
– Press in shaft 19 to a protrusion of 52 ±
0,5 mm.
Extractor thread must face front!Models
Z/U/C
Ensure all gear timing marks match!
– Finish assembling.