Husqvarna K1250 Assembly, Assembling the cutting head, Checking the drive axle and flange washers

Models: K1250

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ASSEMBLY

Assembling the cutting head

Remove the bolt (1) and nut (2). Remove the guard. Fit the drive belt on the clutch drum. Fit the guard and tighten the screws.

Run the drive belt over the cutting head’s belt pulley (2).

Position the belt guard and secure the cutting head together with the belt guard. Tighten both bolts (4) by hand.

Screw in the tension screw (3) so that the square nut aligns with the arrow on the belt guard. Shake the head to ensure the spring can tension the belt. This automatically adjusts the belt to the correct tension. Tighten both bolts (4) using the combination spanner. NOTE! When a belt is fitted the belt tension must be readjusted after the first two tanks of fuel have been used.

Checking the drive axle and flange washers

Check that the threads on the drive shaft are undamaged.

Check that the contact surfaces on the blade and the flange washers are undamaged, of the correct dimension, clean, and that they run properly on the drive axle.

Do not use warped, notched, indented or dirty flange washers. Do not use different dimensions of flange washers.

Fitting the cutting blade

Husqvarna cutting blades are manufactured and approved for freehand cutting. The paper labels on each side of the blade are there to distribute the pressure from the flange washer and prevent the blade from slipping.

The blade is placed on the bushing (C) between the inner flange washer (A) and the flange washer (B). The flange washer is turned so that it fits on the axle.

The shaft can be locked using a screwdriver, steel pin or the like. This is slid in as far as possible. The blade is tightened clockwise.

Tightening torque for the bolt holding the blade is: 15-25 Nm (130-215 in.lb).

Guard for the blade

The guard must always be fitted on the machine. The guard for the cutting equipment should be adjusted so that the rear section is flush with the work piece. Spatter and sparks from the material being cut are then collected up by the guard and led away from the user.

WARNING! A 16 inch blade guard should

!only be used on power cutters initially equipped with a 16 inch blade guard. If a guard obtained as a spare part is fitted on a power cutter which is equipped with a 12 or 14 inch guard, a 16 inch blade will run too fast. A cutting blade running at a too high speed can break or cause serious damage.

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Husqvarna K1250 Assembly, Assembling the cutting head, Checking the drive axle and flange washers, Guard for the blade