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8
Blade Installation
WARNING!
You must install the U-Handle and all Blade Conversion parts shown in the following instructions before operating this
unit with a metal blade, otherwise serious injury may result.
NOTE
Model C344 includes U-Handle, and necessary blade conversion parts. Blades are not provided with trimmer/brushcutters
and must be selected for type of cutting being performed.
Install Metal Shield
Tools Required: 8 x 10 mm Open-end Wrench, Screwdriver, 17x19 mm Wrench,
Locking Tool
Parts Required: Metal Shield, Shield Bracket,
3 - 5 x 10 mm screws w/captivated at and lock-
washer, (metal shield to gear housing).
2 - 5 x 8 mm screws, 2 - 5 mm nuts, 2 - 5 mm lock-
washers, (bracket to shield).
2 - 5 mm nuts, 2 - 5 mm lockwashers
(Bracket to Gear Housing)
Install trimmer head
Tools required: 4 mm hex key wrench (locking tool)
Parts required: adapter plate, trimmer head
NOTE
Use the 4 mm hexagonal wrench as a gear housing locking tool.
1. Assemble adapter plate (C) onto PTO shaft.
2. Align locking hole in adapter plate with notch in edge of gear housing and
insert head locking tool (D).
3. Thread line head (E) onto shaft by turning it counter-clockwise until head
is tight against adapter plate (C).
4. Remove locking tool (D).
IMPORTANT
Semi-automatic nylon line heads must be used only with plastic debris shield with
cut-off knife. Using nylon line heads with metal debris shield can result in trimmer
damage, caused by operation with excessive line length.
To advance trimmer line
Tip:
To advance trimmer line, tap trimmer head against the ground while the head is
turning at normal operating speed.
Nylon line replacement
See Maintenance Section for Loading Trimmer Line.
Remove nylon line head
D
E
NOTE
Do not disassemble nylon line head.
1. Align locking hole in adapter plate with notch in edge of gear housing and insert head locking tool (D).
2. Remove line head (E) by turning it clockwise until head is completely off of shaft.
3. Remove locking tool (D).
Assembly (continued)
A
C
D