BOLT, RIGHT HAND, (silver)
5/16-20×1/2 in.
(green bag)
10 mm
8 mm
8 mm
Adapter, Large
(marked with letter “H”)
10 mm
3/8 in.
8 mm
Adapter, Large
(marked with letter “H”)
and small “J” Adapter
4. Install as shown:
A - Gear case
B - Rapid-Loader Trimmer Head
C - Triangle adapter
D - Left-hand nut
A
C
D
5. Insert locking tool, allen wrench, or screwdriver,
(E), into gear case. Turn head counterclockwise
to tighten. Remove locking tool, allen wrench, or
screwdriver.
E
Personal injury hazard.
Read the operator’s manual for your trimmer
Procedure – Female Threaded Units
before installing the Rapid-Loader Trimmer
Head.
1. Identify the correct trimmer in the Application Fitup Chart, see pages 5-6.Locate and record the
Failure to read the operator’s manual may
RL REF#.
result in personal injury.
2. Use the Adapter Fit-up Chart to identify the
correct triangle adapter and bolt.
Note: Images of gear cases are representations only.
Your gear case may appear different.
3. Remove existing head.
4. Install as shown:
Procedure – Male Threaded Units
1. Identify the correct trimmer in the Application Fitup Chart, see pages 6-7.Locate and record the
RL REF#.
A - Gear case
B - Rapid-Loader Trimmer Head
C - Triangle adapter
D - Left-hand bolt
2. Use the Adapter Fit-up Chart to identify the
correct nut and triangle adapter.
2. Insert locking tool, allen wrench, or screwdriver,
(E), into gear case. Turn head clockwise to tighten.
A
C
Remove locking tool, allen wrench, or screwdriver.
E
D
5. Insert locking tool, allen wrench, or screwdriver,
(E), into gear case. Turn head counterclockwise
to tighten. Remove locking tool, allen wrench, or
screwdriver.
Procedure – ECHO® GT Curved Shaft Trimmers
1. Install as shown:
A - Gear case
B - Rapid-Loader Trimmer Head
C - 3/8 in. triangle adapter
D - RL77 – 3/8 in.-24 red right-hand nut
A
Procedure – Stihl Straight Shaft Trimmers
1. Identify the correct trimmer in the Application Fitup Chart, see pages 5-6.Locate and record the
RL REF#
2. Remove the existing trimmer head.Install Rapid
Loader Trimmer Head as shown. Note: Flat,
solid side of large spacer faces the gear case.
A - Gear case
B - Rapid-Loader Trimmer Head
C - Small spacer (marked with letter “J”)
D - RL42 – 3/8 × 1 3/8 in. silver washer
E - RL72 – M10 × 1.0 black left-hand nut
3. Insert locking tool, allen wrench, or screwdriver,
B
1a
(E), into gear case. Turn head counterclockwise
to tighten. Remove locking tool, allen wrench, or
screwdriver.
E
Procedure – Ryobi Straight Shaft Trimmers
1. Identify the correct trimmer in the Application Fitup Chart, see pages 5-6. Locate and record the
RL REF#.
2. Remove the existing trimmer head. Do not
remove the upper xing plate from the gear case.
3. Ryobi models with a at xing plate (main image)
will use an adapter (D), models with step down
(Image –1a) will use washer (C) and no adapter.
Install as shown:
A - Gear case
B -Rapid-Loader Trimmer Head
E - RL70 – M8 x 1.25 blue left-hand nut
C - RL42 – 3/8 x 1 3/8”. silver fender washer
D - 8mm triangle adapter
Inserting Trimmer Line
Insert one piece of trimmer line through eyelet on
each side of head. Route line as shown.
Accepts line diameter 0.080 - 0.130 in.
Removing Trimmer Line
A
or
D
C
Step down
E
4. Insert locking tool, allen wrench, or screwdriver,
(F), into gear case. Turn head counterclockwise
to tighten. Remove locking tool, allen wrench, or
MS-230/ MS-231 C
MS-245.4 C/MS-245.4 U
MS-246.4 C/MS-246.4 C BC/MS-246.4 U
MS-256.4 C
MS-260/ MS-261 C/MS-261 U
MS-331 C/MS-331 U
MS-335.4 C
LT-27/ MS-27 C
ECHO
GT-225 series
SRM-225 series
SRM-2620 series
SRM-3020
SRM-266 series
SRM-280 series
SRM-230
SRM-265
Efco
DS 2200 S
DS 2400 S GSL/DS 2400 S/DS 2400 T
DS 2700 S/ DS 2800 S
DS 3000 S/DS 3000 T
DS 3500 S