Oil Pump - Makita DOLMAR PS-32C Repair Manual

05 OIL PUMP

1
4
A
General
The oil pump is driven by the drive worm gear 1
on the crankshaft.
This gear engages the oil pump piston 3.
Consequently, the oil pump operates only when
the engine is on.
The oil flow rate can be adjusted with adjusting
screw A:
• Turn right for more oil
• Turn left for less oil
Disassembly
Remove the clutch drum and clutch, see
chapter 04. Remove brake band, see chapter 03.
Move the drive worm gear 1 gently back and
forth and work it off the shaft.
Pull the oil pressure line 2 from the oil pump.
Unscrew screw 4 and remove the oil pump.
Reparaturanleitung PS-4600 / PS-5000
Repair Manual PS-32
1
3 2
8
5
3
2
Flathead screw
No.: 165.888.110
7
6
The suction line 5 remains in the crankcase. It
extends into the oil tank. To remove it, carefully
pull on the connection to the oil pump.
Removing the oil pump
Push the adjusting screw 6 up against the
spring pressure and turn it until the pin 7 goes
into the assembly slit 7. If necessary press the
supply piston 8 in somewhat.
Note: When assembling put the adjusting screw
6 counterclockwise to stop.
Removing the oil tank vent
Note: The ventilation valve 9 must be punched
into the tank.
Press in a new valve about 2 mm deep under
the housing surface.
Make sure that the ventilation channel 10 is free
of deposits. Clean if necessary.
9
10
14