M 10.00 Oil Pump / Governor - Hatz Diesel 1D30 S Workshop Manual

M 10.00 Oil pump / Governor

- 4 - 15 - 16 -
General:
The oil pump-governor assembly is built as
a unit and fitted inside the timing cover.
Governor springs can be replaced without
removal of timing cover.
For replacement remove front closing
cover only.
Dismantling:
– Remove in numerical sequence 1...3.
For removal use tool - 16 -
– Remove complete oil pump-governor
unit 4 and drive gear 17 from timing
cover.
– Prestress governor springs 8.
Use tool - 4 -
– Remove in numerical sequence 5...6.
Shims 6 if so fitted.
– Remove tool - 4 -
– Remove in numerical sequence 7...11.
– Remove (press) oil pump gearwheel 12
from spring housing 13.
Use suitable tool.
– Remove (press) governor weight carrier
14 from spring housing 13 if necessary.
Inspection / repair:
– Check all parts, including timing cover,
for wear or any other damage.It is of ut-
most importance to replace all parts
showing burrs or axial and radial surface
wear in connection with either oil pump
or governor system.
Assembly:
– Pre-assemble (press) in reverse se-
quence 13...12 to position as specified.
For assembly use tool - 15 -
– Place oil pump gearwheel unit 13/12
through the cover 16 and housing 15
onto governor weight carrier 14.
Ensure correct position (90° offset) be-
3
1D . . / 03.06
tween marks on spring housing 13 and
weight carrier 14 as specified.
– Press weight carrier 14 firmly onto gear-
wheel unit 13/12 (flush) as specified.
– Install (hook) governor weights 11 into
corresponding roll pin location inside the
weight carrier 14.
– Assemble in reverse sequence 10...9.
Ensure free movement of pin 9 !
– Assemble in reverse sequence 8...7.
– Prestress governor springs 8 to assem-
ble circlip 5.
Use tool - 4 -
– Check and adjust if necessary by using
shims 6 the clearance „S"
(ref. Chapter 4)
– Place and position drive gear 17 into
timing cover.
– Turn weight carrier 14 to horizontal posi-
tion.
– Assemble complete unit 4 carefully onto
timing cover.
Ensure correct positioning of gears be-
fore assembly !
from Serial:
1D30.15, 1D31.12, 1D40.16, 1D41.12,
1D50.10, 1D60.22, 1D80.21, 1D81.15
1D90.10 und 1D90V.10
The oil pump was improved (gear height
on 12 and 17 was changed from 7.5 mm
to 9.5 mm)
The following components are affected by
this modification: crank shaft gear, oil pres-
sure relief valve and bearing bush in tim-
ing cover.
Attention!
The mentioned parts are not interchange-
able with former ones!