Tanaka TBC-2251 - Manual (Page 8)

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Owner’s Manual TBC-2211,TBC-2251,TBC-230/B
When using a trimmer head (2) with a two piece type
blade guard, attach the guard extension to the blade
guard. (Fig. 1-9) Then locate the guard above the gear
case. (Fig. 1-8B)
NOTE!
If your unit has guard location label on the drive
shaft tube, follow the indication.
Installation of cutting blades (Fig. 1-10, 10B) (If so equipped) When installing a cutting
blade, make sure there are no cracks or damage and that the cutting edges are facing the correct
direction.
NOTE!
When installing the cutter holder cap (1), be sure to set the concave side toward the blade.
Insert the allen wrench (2) into the hole of the gear case in order to lock the cutter holder (3). Please note
that the cutter fixing bolt or nut (4) has left handed threads, (clockwise to loosen/counter-clockwise to tight-
en). Tighten the fixing bolt or nut with the box wrench.
NOTE!
If your unit is of a nut-securing type, the blade must be retained with a new cotter pin (5) each time
installed. (Fig. 1 -10C)
CAUTION!
Before operation, make sure the blade has been properly installed.
CAUTION!
If your unit is equipped with protection cover under a cutting blade, check it for weariness or cracks before
operation. If any damage or weariness is found, replace it, as it is an article of consumption.
Installation of the cutting head
NOTE!
For installation see your Cutting Head Owner's Manual, provided with the unit.
WARNING!
For TANAKA heads, use only flexible, non-metallic line recommended by the manufacturer. Never use wire or
wire-ropes. They can break off and become a dangerous projectile.
NOTE!
When using TANAKA alloy head (CH-100), initial cutting line length should be about 13cm (5”) each. (Fig. 1
-11)