Lubrication System; Dismantling; Cleaning And Inspection - Husqvarna 565 Workshop Manual

Lubrication system

WARNING! Insufficient lubrication of the
chain can result in the chain breaking,
which can cause serious or even life-
threatening injury.
The lubrication system consists of the following parts:
• Oil pump.
• Suction hose with filter.
• Oil hose with integrated seals.
All the above parts are described in sequence under the
headings that follow.

13.1 Dismantling

1. Empty and clean the oil tank.
2. Dismantle the chain, bar, guide bar plate, clutch drum
and centrifugal clutch. See chapter Centrifugal
3. Dismantle the oil pump gear (A). See figure 1.
4. Unscrew the two screws (B) and lift up the oil pump
from the crankcase. See figure 2.
5. Pull out the oil hose (C) from the oil pump. See
figure 2.
6. Use pointed pliers and carefully pull up the suction
hose (D) with filter. See figure 2.
7. Remove the clip (E) and unscrew the adjustment
screw (F). See figure 3.
8. Use a pair of pliers and push on the pump piston (G)
so that the cover plug (H) and pump piston can be
removed. See figure 3.
9. Use a pair of pliers and pull out the spring (I) and 2
washers (J). See figure 3.

13.2 Cleaning and inspection

Clean all parts, including the pump and oil hose mounts
in the crankcase, and check the following:
1. The taper on the adjuster screw (F) should not have
any wear marks. See figure 4.
2. The eccentric face on the pump piston (I) should not
have any wear marks. See figure 4.
3. The gear on the pump piston (I) should be
undamaged. See figure 4.
4. The oil pump drive's worm gear (A) should be
undamaged. See figure 5.
5. The suction hose (D) should be free from impurities
and the filter clean. See figure 5.
6. The oil hose (C) should be free from impurities and its
seals undamaged. See figure 5.
30 - English
13 Lubrication system
clutch.
Fig. 2
Fig. 1
B
B
Fig. 3
G
Fig. 4
A
Fig. 5
A
C
D
H
G
J
I
D
C
F