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Husqvarna W 40P Workshop Manual page 18

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Repair instructions
5.8 Water pump
5.8.1 To disassemble the Water pump
If the product comes with a suction hose and/or a dis-
charge hose connected, remove these first (see Figure
3).
Figure 1
1. Remove the 2, M6x85 bolts, (A) and the 6, M6x20,
bolts (B).
2. Remove the pump boby (C).
3. Lock the flywheel so that flywheel can not turn.
4. Remove the Impeller(D) using 16 mm wrench.
5. Remove the sealing (E).
6. Remove the 4, M6x20, bolts and washers (F).
7. Remove the cover (G).
8. Remove the 4, M8x16, bolts (H).
9. Remove the plate (I).
C
I
H
G
Figure 2
18 - English
A
B
E
F
D
5.8.2 To clean and examine the Water pump
Clean the parts and replace if it is necessary.
5.8.3 To assemble the Water pump
Assemble the water pump in the opposite sequence.
5.8.4 To install a suction hose and a dis-
charge hose
H
C
F
E
I
D
C
A
Figure 3
Suction hose installation (see Figure 3)
Use a commercially available hose (G). Use the hose
connector/hose clamps (C, D, E) provided with the pump
if necessary. The suction hose (G) must be reinforced
with a noncollapsible wall or braided wire construction
and cannot contain any perforations.
Do not use a hose smaller than the pump s suction port
size. Minimum hose size W 40P 1.5 inch 40 mm
The suction hose (G) should be no longer than neces-
sary. Pump performance is best when the pump is near
the water level and the hoses are short.
Use a hose clamp (C) to securely fasten the hose con-
nector to the suction hose (G) in order to prevent air
leakage and loss of suction. Verify that the hose connec-
tor sealing washer (F) is in good condition.
Install the strainer (A) provided with the pump with
equivalent hole sizes on the other end of the suction
hose, and secure it with a hose clamp. The strainer will
help to prevent the pump from becoming clogged or
damaged by debris.
Never operate the pump without the strainer (A) in-
stalled.
J
G
C
B

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