Hudson 1948 - 1952, Service Manual

Page: 49 / 333

FIGURE 5
1. Oil pump body
2. Oil pump body plug
3. Oil pump body plug gasket
4. Oil pump plunger
5. Oil pump shaft
6. Oil pump shaft bushing
7. Oil pump gear
8. Oil pump gear pin
9. Oil pump shaft bushing retaining screw
2. Remove the oil pump shaft (5) and bushing (6) retaining
screw (9), and remove the shaft and plunger (4).
3. Wash all parts thoroughly in gasoline and with an air
hose, blow parts dry.
REASSEMBLY:
1. Before assembly, dip the pump shaft and plunger in
engine oil.
2. Inlet connections at the cylinder block and at the oil
pump should be inspected. Leakage a t these points will,
cause air to be sucked into the system and the flow of oil
will be reduced and possibly stopped.
3. Install shaft and bushing, align hole of bushing with hole
in pump body and ball of shaft in hole in plunger.
Installation:
To Install, reverse procedure of removal.
OIL PUMP
6 CYLINDER
A centrifugal operating rotor type pressure pump is used
on all six cylinder engines.
REMOVAL:
To remove the oil pump and still maintain the correct
engine timing during Installation, proceed as follows:
1. Lift off distributor cap and rotate crankshaft until
distributor rotor is in firing position for #1 cylinder.
Keep engine in this position while pump is removed.
2. Remove the three oil pump to block attaching studs and
remove oil pump.
FIGURE 6
DISASSEMBLY:
1. Remove cover screws (1), Figure 6, cover (2), and gasket
(3).
2. Hold hand over cover opening and with pump upside
down, turn drive shaft until outer rotor (4) slips out.
ENGINE TUNE-UP 3 - 7