MAINTENANCE AND REPAIR INSTRUCTIONS

EDGER BLADE REPLACEMENT

WARNING: To avoid serious personal injury, always wear gloves while handling, removing or installing the blade.

WARNING: The gear housing gets hot after long periods of use. To avoid serious personal injury, do not touch the housing until it has cooled.

1.

Line up the hole in output shaft with the locking rod

 

slot. Insert the locking rod through the slot into the

 

output shaft hole (Fig. 7).

2.

Hold the locking rod in place by grasping it next to

 

the boom of the unit (Fig.8).

3.

While holding the locking rod, loosen the nut on the

 

blade by turning it clockwise with a 5/8 inch wrench

 

(Fig. 9). Remove the nut, retaining washer and blade.

 

Keep the nut and blade retainer for installation.

4.

Install the new blade, blade retainer, and nut

 

(Fig. 10). Insert the locking rod through the slot into

 

the output shaft hole. Make sure that the blade stays

 

flat and centered against the output shaft while

 

tightening the lock nut counterclockwise (Fig. 11).

5.

If you have a torque wrench, tighten the nut to

 

325-335 in.•lbs (37-38 N•m), while holding the

 

locking rod in the slot.

 

If you do not have a torque wrench, hold the locking

 

rod in the slot. Rotate the nut counterclockwise with

Locking Rod

Fig. 8

Loosen

Fig. 9

a 5/8 inch closed-ended or socket wrench, until the

Edger Blade

Lock Nut

nut presses against the washer and the blade is

snug. Make sure the blade assembly is installed

correctly, then rotate the nut an additional 1/4-1/2

turn (Fig. 11).

6. Remove the locking rod.

WARNING: Verify the blade is flat against the output shaft after the nut is tightened. If the blade is off-center, the unit will be damaged by vibration, and the blade may fly off, which can cause serious personal injury.

Output Shaft

Hole

Blade Retainer

Locking Rod

Fig. 10

Locking Rod

Locking Rod Slot Output Shaft

Tighten

 

 

 

 

Fig. 7

 

 

 

Fig. 11

9