blade conversion kit P/N 99944200418
blade conversion kit P/N 99944200422
Models: ALL SRM Models
X7672230405
06/15
blade conversion kit
i
nstallation instructions
WARNING
You must install a Barrier Bar or U-Handle Kit and all Blade Conversion parts shown in the following instructions before operating this unit with blades, otherwise serious injury may result.
IMPORTANT
If non-standard monolament heads, METAL/PLASTIC blades or cultivators etc., are used, THE CARBURETOR
MUST BE RESET or serious engine damage can occur. See "Carburetor Adjustment" in the unit Operator's Manual.
TO USE THESE
BLADES
Pro Maxi-Cut Grass/Weed
Blade
Rigid Plastic Tri-Cut
Grass / Weed Blade
Metal Blade
You must install
these parts
Support Handle, w/or w/o
Barrier Bar
U-Handle or Support
Handle w/Barrier Bar
U-Handle or Support
Handle w/Barrier Bar
Narrow Plastic Shield w/
Knife
Narrow Plastic Shield
w/Knife
Wide Plastic Shield
Harness Harness Harness
Upper Plate & Flat Washer Upper Plate & Glide
Cup
Upper/Lower Blade
Plates
Hex Nut Hex Nut Hex Nut
New Cotter Pin New Cotter Pin New Cotter Pin
• WARNING! DO NOT INSTALL BLADES ON GT (CURVED SHAFT) MODEL TRIMMERS
• Arbor diameter of Upper Blade Plate must match arbor diameter of blades.
• New cotter pin required each time blade is installed.
• Brush Cutters over 16.5 lbs (7.5 kg) dry weight (weight w/o fuel) require a double shoulder harness
• The Barrier Bar is used to restrict rearward movement of the unit. The Barrier Bar is NOT A HANDLE and should not
be gripped when using or carrying the unit.
blade conversion kit installation instructions
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kit contents
1. Barrier Bar - 4 hole
2. Barrier Bar - 2 hole
3. Screw 5x35 mm (4)
4. Screw 5x25 mm (3)
5. Wide Plastic Shield
6. Shield Plate
7. Nut 5mm (4)
8. Nut 10, left hand
9. Split Pin 2x22 (10)
10. Adapter Plate, lower
11. Adapter Plate upper 20mm (short neck)
12. Collar
13. Adapter Plate upper 20mm (long neck)
14. Harness Ring Assembly
15. Bolt 5x12mm
16. Shoulder Harness w/Quick-release Hook
17. Blade (Kit P/N 99944200422 Only)
18. Torx T27 L-Wrench
19. 5 mm lock nut (3)
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blade conversion kit installation instructions
install harness clamp
NOTE
Some models require installation of harness clamp. If your unit does
not have a clamp follow these directions.
1. Remove shield and gear case as an assembly.
a. Loosen two (2) screws (M) that clamp the gear case to the
shaft.
b. Remove locating screw (N) at the top of the gear case.
c. Pull shield and gear case assembly from the drive shaft assem-
bly.
NOTE
Prevent the exible drive cable from sliding from the drive shaft
housing. If cable does slide free, clean dirt from cable and re-lubricate with lithium based grease prior to re-assembly.
2. Remove front handle.
a. Remove screws and nuts and back plate from
handle.
b. Remove handle.
3. Install clamp.
a. Slightly spread clamp and slide up drive shaft.
b. Do not tighten clamp at this time.
M
M
N
install handle/barrier bar
NOTE
The Barrier Bar is required when using grass or weed blades. Units
equipped with U-Handles do not require installation of the Barrier
Bar.
SRM’s with 4-screw front handles
1. Position front handle on shaft and install Barrier Bar using four (4)
5x35 mm screws and (4) new nuts included with kit. Handle must
be at least 10 inches (250 mm) from center of rear handle grip.
2. Adjust handle position for comfortable operation, and tighten
screws securely.
IMPORTANT
Flat edge of washers (O) must be against drive shaft.
install shield and gear case assembly
1. Install gear case assembly on end of drive shaft taking care to
engage the drive cable with the gear case.
2. Align the gear case on the drive shaft and install the locating
screw (N).
3. Tighten the two (2) side clamping screws (M).
blade conversion kit installation instructions
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install plastic blade shield
Tools Required: Torx T27 L-Wrench
Parts Required: Wide Plastic Shield, Shield Plate,
• 3 - 5 x 25 mm screws, (plastic shield to gear
case).
• 3 - 5 mm lock nuts
1. If installed remove nylon line head, upper xing plate, shield plate,
and plastic shield.
a. Align locking hole in upper plate with notch in edge of gear
housing and insert head locking tool (A).
b. Remove line head (B) by turning it clockwise until head is
completely off of shaft.
c. Remove locking tool.
d. Remove three screws holding shield plate and plastic shield
(C) to gear case.
e. Retain all parts for conversion back to nylon line head operation.
A
C
B
M
M
N
O
O
SRM’s with 2-screw front handles
1. Position front handle on shaft and install Barrier Bar using two
(2) 5x35 mm screws provided in kit. Handle must be at least 10
inches (250 mm) from center of rear handle grip.
2. Adjust handle position for comfortable operation, and tighten
screws securely.
NOTE
The Barrier Bar is not a handle.
blade conversion kit installation instructions
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1. Check type of gear case assembly on unit:
• Measure PTO shaft.
• If shaft is 32 mm, proceed to step 2.
• If shaft is 42 mm, proceed to step 3.
• If shaft is 45 mm, proceed to step 4.
2. Install short-necked upper xing plate (Y) onto PTO shaft.
3. Install shaft collar (Z) then short-necked upper xing plate (Y)
onto PTO shaft.
4. Install long-necked upper xing plate (X) onto PTO shaft.
IMPORTANT
This kit can be mounted on several different style gear cases. A
long-necked upper xing plate (X), a short-necked upper xing
plate (Y), and a 10mm shaft collar (Z) are included in the kit, and
may be required to properly mount the blade. Failure to install the
correct upper xing plate conguration will cause the gearcase to
bind. Refer to the assembly instructions below to identify upper
xing plate assembly.
install optional blade
Kit 99944200418 - Blade not included
Kit 99944200422 - Blade included
Tools Required: Torx T27 L-Wrench, T-Wrench.
Parts Required: Upper Fixing Plate w/ 20 mm pilot, Lower Plate, 10
mm Nut, Split Pin, Blade.
X
Y
Z
PTO
SHAFT
C
D
E
2. Align plastic blade shield (C) with the drive shaft, and install on the
bottom of the gear case ange.
3. Place shield plate (D) on shield and align holes. Install (3) screws
(E) and (3) locknuts (F).
4. Tighten all hardware.
F
balance unit
1. Put on harness and attach unit to harness.
2. Slide harness clamp up and down until unit balances with head approximately 2 - 3 in. from the ground.
3. Tighten clamp screw.
NOTE
In case of Emergency, the trimmer/brushcutter can be released from
the the harness by pulling up on the quick-release collar.
2 - 3"
blade conversion kit installation instructions
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5. Install Blade (I) on upper plate pilot. Blades must be installed so
that rotation arrow on blade faces gear case. Secure blade with
Lower xing plate (J), and 10 mm nut (K). Turn nut counterclockwise on PTO shaft to tighten.
6. Align hole in upper plate with notch in gear case, and insert Locking Tool (A) to prevent splined shaft from turning. Arrow on gear
case points to notch. Tighten 10 mm nut securely.
7. Insert split pin (L) in hole in PTO shaft, and bend pin legs around
shaft counterclockwise to retain 10 mm nut.
IMPORTANT
Never reuse a split pin - install a new split pin each time a blade is
installed or replaced.
8. Remove locking tool.
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A
I
K
L
J
X or Y
A
X or Y
I
J
K
L
N/P 99944200418
N/P 99944200422
Para los Modelos: TODOS SRM modelos
instrucciones para la instalacion de conjunto
de conversion de los agarradores-u
IMPORTANTE
Si se usan cabezas de un solo lamento que no son estándar, hojas o cultivadores de METAL/PLASTICO etc., SE
DEBE REAJUSTAR EL CARBURADOR o se producirán daños importantes en el motor. Vea “Ajuste del carbura-
dor” en el manual del operador de la unidad.
ADVERTENCIA
Debe instalar un juego de la barrera de barra o empuñadura en ‘U’ y un juego de conversión de hojas antes de
operar esta unidad usando hojas, ya que de lo contrario se pueden producir lesiones graves.
X7672230405
06/15
PARA USAR ES-
TAS HOJAS
Cortadores para hierba/
maleza Pro Maxi-Cut
Hoja de plástico rígida Tri-
Cut para hierba/ maleza
Hoja de metal
¡Usted debe in-
stalar
estas piezas!
Empuñadura De Soporte
con o sin barra de barrera
Empuñadura en “U” o
Empuñadura De So-
porte con barra de
barrera
Empuñadura en “U” o
Empuñadura De So-
porte con barra de
barrera
Estrecha Protector de
plástico con Cuchillo
Estrecha Protector de
plástico con Cuchillo
Amplia Protector de
plástico
Arnés para el hombro Arnés para el hombro Arnés para el hombro
Placa superior y arandela
plana
Placa superior y taza de
deslizamiento
Placas superiores e
inferiores de la hoja
Tuerca hexagonal Tuerca hexagonal Tuerca hexagonal
Nuevo pasador de aleta Nuevo pasador de aleta Nuevo pasador de aleta
• ¡ADVERTENCIA! NO INSTALE LAS HOJAS EN LAS RECORTADORAS DE MODELO GT
• El diámetro del árbol de la placa superior de la hoja debe corresponder con el diámetro del árbol de las hojas.
• Se requiere un nuevo pasador de aleta cada vez que la hoja esté instalada.
• Las desbrozadoras que pesen más de 7,5 kg (16,5 lb) en seco (peso sin combustible) requieren un arnés doble
para el hombro
• La barrera de barra es utilizada restrinja el movimiento postrero de la unidad. La barra de la barrera NO ES UNA
MANIJA y no debe ser utilizada para transportar la unidad.
instrucciones para la instalacion de conjunto
de conversion de los agarradores-u
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1
2
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4
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kit contenido
1. Barra de la barrera - agujero 4
2. Barra de la barrera - agujero 2
3. Tornillos de 5x35mm (4)
4. Tornillos de 5x25mm (3)
5. Amplia Protector de plástico
6. Abrazadera
7. Tuerca de 5mm (4)
8. Tuerca de10, lado izquierdo
9. Pasador 2x22 (10)
10. Placa de adaptador, inferior
11. Placa de adaptador, superior (cuello corto)
12. Collar
13. Placa de adaptador, superior (cuello largo)
14. Anillo del arnés
15. Perno de 5x12mm
16. Arnés del hombro con gancho dedesconexión rápida
17. Hoja (Kit N/P 99944200422 solamente)
18. Llave en L Torx T27
19. Contratuerca M5 (3)
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