Troy-Bilt TB525ET Operator's Manual page 13

5. Clean the shaft and the inner surface of the outer spool.
To clean the shaft underneath the plunger, press down on
the plunger (Fig. 31). Remove any dirt or debris from the
shaft.
NOTE: The inner reel must be totally dry before reinstalling it
into the outer spool. Do not lubricate the inner reel or
outer spool assembly.
6. Place the inner reel into the outer spool.
7. Place the bump knob, spring and foam seal onto the inner
reel (Fig. 27).
8. Press the bump knob down and tighten clockwise.
9. Install new line as described in Line Installation for the
SpeedSpool®.
Shaft
Plunger
EDGER BLADE REPLACEMENT
WARNING:
To avoid serious personal injury,
always wear gloves while handling, removing or in-
stalling 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. 32).
Output Shaft
Hole
Locking Rod
2. Hold the locking rod in place by grasping it next to the
boom of the unit (Fig. 33).
Locking
Rod
MAINTENANCE AND REPAIR INSTRUCTIONS
Fig. 31
Output Shaft
Locking Rod Slot
Fig. 32
Fig. 33
3. While holding the locking rod, loosen the nut on the blade
by turning it clockwise with a 5/8 inch wrench (Fig. 34). Re-
move the nut, retaining washer and blade. Keep the nut and
blade retainer for installation.
4. Install the new blade, blade retainer and nut (Fig. 35).
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. 36).
Edger Blade
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 a 5/8 inch
closed-ended or socket wrench, until 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. 36).
6. Remove the locking rod.
WARNING:
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.
13
Loosen
Fig. 34
Lock Nut
Blade Retainer
Locking Rod
Fig. 35
Verify that the blade is flat against
Tighten
Fig. 36