Husqvarna 390XP Workshop Manual page 30

Lubrication system
13.3 Assembly
1. Insert the suction pipe (C) in the hole in the crank-
case. See fig. 3
2. Place the spring (I), the 2 washers (J) and pump
piston (H) in the pump housing. Oil all parts with
chain oil. See fig. 8
3. Use a screwdriver to press in the pump piston and
adjust the adjuster screw to its home position (E).
See fig. 8
4. Fit the cover plug (G). See fig. 8
5. Fit the clip (D). See fig. 8.
6. Fit the oil pump in the crankcase. Fit the oil pipe with
seals. See fig. 2 .
7. Tighten the bolts to 5 Nm. See fig. 2.
8. Fit the drive wheel. See fig. 7.
9. Assemble the following parts:
• The centrifugal clutch. Refer to Centrifugal clutch
chapter
• The other parts of the saw. Refer to the Operators
Manual.
• Adjust the pump feed rate. Refer to Adjusting the
pump feed rate chapter
• Refill with chain oil and check the lubrication. Refer
to the Operators Manual.
13.4 Adjusting the pump feed rate
The pump feed rate is adjusted with the adjuster screw
(E) in fig 8. The table shows the number of turns from
the home position for respective bar lengths. The table
applies to Husqvarna chain oil.
If a different oil is used the screw should be unscrewed
an additional turn in the first two cases.
Bar
-18"
18"-24"
24"-
30 - English
Number of turns from
home position
2
3
4
B
Fig. 2
Fig. 5
C
Fig. 3
Fig. 1
Fig. 3
Fig. 1
Fig. 6 B
Fig. 2
Fig. 2
B
Fig. 2
Fig. 4
C
Fig. 7
Fig. 3
C
Fig. 7
Fig. 3
Fig. 4
Fig. 8
Fig. 4
H
E
G
H
F
A
J
I
D
E
G
G
H
H
F
F
J
I
D
I
E
D
E
A
J