Ryobi RPT-43W, Owner'S Operating Manual

ASSEMBLY 

OPERATION 

SPECIFICATIONS

• Operator’s Manual
• Upper and Middle Handles
• 

Safety Guard

• Spark Plug Wrench
• Replacement String Tube and Clips
• 50:1 2-Cycle Engine Oil (2.6 Fluid Ounces.)
• Front Tube with Trimmer Head
• (2) Wheel Assemblies
• (4) Plastic Wing Nuts (For Attaching Handles)
• (4) Saddle Bolts (For Attaching Handles)
• (2) Cable Ties
• (1) Wheel Shoulder Bolt (Longer for Right Side Wheel)
• (1) Wheel Shoulder Bolt (Shorter for Left Side Wheel)
• (1) Wheel Spacer (For Right Side Wheel)
• (1) Hex Head Cap Screw (For Attaching Trimmer Guard)

• 10 mm wrench or adjustable wrench
• 14 mm socket or open wrench

8

WARNING! 

Do not operate Trimmer if it is damaged or not securely and 
fully assembled.

WARNING! 

Thoroughly inspect the area where the Trimmer is to be 
used and remove all foreign objects. Your equipment can 
throw small objects at high speed causing personal injury 
or property damage.
Keep all children and bystanders at least 15 m away when 
operating. Stop machine if anyone enters the area.

CAUTION! 

The cut-off knife (2) attached to the safety guard is sharp 
and can cut you. Handle with care.

Engine type .................................................. 43cc, 2-stroke 
Engine speed .............................................. 7000~8000min

-1 

Cutting width ........................................................... 420mm 
Cutting height ........................................................... 45mm 
Fuel tank capacity ..................................................... 840ml 
Trimming line diameter .................................. 2.4/2.7/4.0mm 
Wheel size ...................................................................... 12’’ 
Net weight .................................................................. 18kgs 

Parts Included With The Packaged Trimmer:

Tools Needed For Assembly (not included)

1. Remove components from carton.
2. Cut white cable ties. Do not cut black cable ties.
3. Remove foam and corrugated protection.

Unpacking:

1. Attach middle handle (15) to lower handle (16) and 

secure using two saddle bolts and plastic knobs. Orient 
handle so small metal clips are to the right side. Route 
pivot cable through middle handle. Assemble with knobs 
to the inside of the lower handle. Tighten knobs securely. 

2. Attach upper handle (14) to middle handle (15) and 

secure using two saddle bolts and plastic knobs. Orient 
handle so the “V” shape is upward. Assemble with knobs 
to the inside of the middle handle. Route the throttle 
cable below the right side of the middle handle. Tighten 
knobs securely. Secure throttle cable to the handles with 

    provided metal clips as shown. Secure the pivot cable 

with provided plastic cable tie. 

1. Install the cutting head assembly (1) into the clutch 

housing with the metal saddle engaging the clutch 
housing. It may be necessary to rotate the trimmer head 
slightly to align the shaft splines.

2. Screw the camlock inward and rotate the handle to clamp 

the tube to the housing. Try to rotate the tube within the 
housing. If you can rotate the tube at all, unlock the 
camlock handle and screw inward an additional one half 
turn. Rotate the handle to clamp the tube. Recheck for 
tube tightness and repeat if necessary. 

Handle Assembly (Fig. 1, 2)

1. Insert the tab on the metal mounting bracket into the slot 

on the safety guard (3).

2. Install the hex head cap screw through the bracket and 

into the metal insert of the safety guard. Tighten securely 
using a 10 mm wrench. 

Safety Guard (Fig. 5, 6, 7, 8)

1. Install the right wheel to the frame using the longer 

shoulder screw and spacer. Tighten to 34 N.m torque 
using a 14 mm wrench. (Fig. 9, 10)

2. Install the left wheel to the adjuster assembly stud using 

the shorter shoulder screw. Tighten to 34 N.m torque. 
(Fig. 11, 12)

3. Move the bevel handle to the low position for level mowing.

Wheel Assembly (Fig. 9, 10, 11, 12)

1. Snap the lower tube clip onto the left middle handle using 

the pierced hole. (Fig. 13)

2. Snap the upper tube clip onto the left middle handle 

above using the pierced hole.

3. Install the clear tube with provided extra string into the 

clips. (Fig. 14)

String Storage (Fig. 13, 14)

Cutting Head Assembly (Fig. 3, 4)

Control Identification and Use