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. 29).

2.

Hold the locking rod in place by grasping it next to

 

the boom of the unit (Fig. 30).

3.

While holding the locking rod, loosen the nut on the

 

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

 

(Fig. 31). 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. 32).

 

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. 33).

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

Locking

Rod

Fig. 30

Loosen

Fig. 31

rod in the slot. Rotate the nut counterclockwise

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

Edger Blade

Lock Nut

the 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. 33).

6. Remove the locking rod.

WARNING: Verify that the blade is flat against the

output shaft after the nut is tightened. If the blade is off-center, the unit will vibrate excessively and may damage. Also, the blade may dislodge and fly off, possibly causing serious personal injury.

Output Shaft

Hole

Blade Retainer

Locking Rod

Fig. 32

Tighten

Locking Rod

Locking Rod

Output Shaft

Slot

 

 

Fig. 29

Fig. 33

16