Husqvarna FS 413 Operator's Manual page 24

Fitting the Diamond Blade (H):
Install Diamond Blade (H) at job site. Do not
transport the machine with the Diamond Blade
(H) installed.
. Open Front Cover (V).
. Set Engine Start Switch (DD) to OFF ("0") position.
. Raise Diamond Blade (H) to highest position by turning
Blade Depth Control (EE) Counter-Clockwise.
. Use mm Wrench (U) located in Tool Compartment
(BB), to loosen and remove four () M8 bolts that attach
Blade Guard Latch Plate (F). Temporarily remove Blade
Guard Latch Plate (F).
. Raise Blade Guard Front (D).
. Using the mm Blade Shaft Wrench (T), loosen and
remove the Blade Shaft Nut (L) that secures the Outer
Flange (J) in position.
Blade Shaft Nut (L) on right hand side of machine has
left hand threads. To loosen, turn clockwise.
Blade Shaft Nut (L)(not shown) on left hand side of
machine has right hand threads. To loosen, turn coun-
ter-clockwise.
. Remove Outer Flange (J).
8. Check that Blade Shaft Arbor (M), Inner Flange (I), and
Outer Flange (J) are clean and free of foreign objects.
9. Fit Diamond Blade (H) onto Blade Shaft Arbor (M). Di-
rection of rotation is shown by arrows on Diamond Blade
(H) and Blade Guard Front (D). See diagram at right.
0. Install Outer Flange (J) onto Blade Shaft Arbor (M).
Make sure that Locking Pin (K) passes through Diamond
Blade (H) and into Inner Flange (I).
. Rotate Outer Flange (J) and Diamond Blade (H) in op-
posite direction of blade rotation to remove backlash.
. Install Blade Shaft Nut (L). Tighten using mm Blade
Shaft Wrench (T).
Blade Shaft Nut (L) on right hand side of machine has
left hand threads. To tighten, turn counter-clockwise.
Torque to  N•m ( lb-ft) - minimum.
Blade Shaft Nut (L)(not shown) on left hand side of
machine has right hand threads. To tighten, turn clock-
wise. Torque to  N•m ( lb-ft) - minimum.
. Lower Blade Guard Front (D).
. Re-install and tighten Blade Guard Latch Plate (F).

NOTICE
NOTICE
OPERATION
USE ONLY Blades (H) marked with a maximum operat-
ing speed greater than blade shaft speed of machine.
DO NOT operate machine without proper guard over
Diamond Blade (H)!
DO NOT operate machine with Front Blade Guard (D)
raised!
Blade (H) exposure MUST NOT exceed 80 degrees
when operating machine!
Contact Surfaces of Blade Shaft Arbor (M), Inner Flange
(I), and Outer Flange (J) MUST BE clean and free of
foreign objects.
DO NOT not transport machine with Blade (H) installed.
DO NOT use conventional (wet) Diamond Blades (H)
without water.
READ operation instructions supplied with Blade (H).
DO NOT install Blade (H) unless power source is in
OFF (0) position, and dis-connected from power supply.
WARNING!