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14

MAINTENANCE AND

REPAIR INSTRUCTIONS

SPECIFICATIONS

MOTOR

Motor type  . . . . . . . . . . . . . . . . . . . . . . . . . Electric
Operating RPM  . . . . . . . . . . . . . . 7,000-7,800 rpm 
Ignition Switch  . . . . . . . . . . . . . . . . . . . . . . Trigger
Amperage . . . . . . . . . . . . . . 4.7 amps - Model 105r

5.2 amps - Model 132r
5.5 amps - Model 137r 

DRIVE SHAFT AND CUTTING HEAD

Drive Shaft  . . . . . . . . . . . . . . . . . . . 1/4 in (6.5 mm)
Shoulder Strap  . . . . . . . . . . . . . . . . . . . . . Optional
Cutting Head  . . . . . . . . . . . . . Bump Line Releaser
Cutting Path Diameter  . . . . . . . . . . 15 in (381 mm)
Drive Shaft Housing  . . . . . Steel Tube - Model 105r

Steel Tube, Click-Link,

Models 132r and 137r

Trimming Line Diameter  . . . . . . 0.060 in (1.52 mm), 

Model 105r

0.080 in (2.03 mm),

Models 132r and 137r

CLEANING THE TRIMMER

WARNING:

To avoid serious personal

injury, always unplug your unit before
you clean or perform any maintenance
on it.

1. Use a small brush or the air discharge of a

vacuum cleaner brush to clean the fan
blades.

2. Keep the air vents free of obstructions.

3. Do not use any strong detergents on the

plastic housing or handle. They can be
damaged by certain household cleaners that
contain aromatic oils such as pine and
lemon, and by solvents such as kerosene.
Moisture can also cause a shock hazard.
Wipe off any moisture with a soft cloth.

TROUBLESHOOTING

PROBLEM

Motor Will Not Start

C

utting Head Will Not Turn

When Trigger is Squeezed

C

utting Head Will Not

Advance Line

CAUSE

Motor stops, unit unplugged

Cutting head bound with grass
or debris

Cutting head out of line

Inner reel bound up

Cutting head dirty

Indexing teeth worn or burred

Line welded

Line twisted when refilled

Not enough line exposed

REMEDY

Check cord to see if it is plugged
into an electrical outlet

Stop motor and clean cutting
head

Refill with genuine replacement
cutting line

Replace inner reel

Clean cutting head reel/spool

Replace reel and spool

Disassemble, remove the welded
section, and rewind the line

Disassemble cutting head and
rewind the inner reel

Push the Bump Knob and pull
out the line until a minimum of
4 in (102 mm) is outside of
cutting head

Summary of Contents for 105r, 132r, 137r

Page 1: ...FOR QUESTIONS CALL 1 800 345 8746 in U S or 1 800 265 6778 in CANADA www ryobi com IMPORTANT MANUAL DO NOT THROW AWAY OPERATOR S MANUAL Electric Trimmers 105r 132r 137r...

Page 2: ...2r 7 D Installing the String Guard Model 137r 8 III Operating Instructions 8 10 A Connecting the cord 8 B Starting the trimmer 8 C Holding the trimmer 8 D Operating two speed switch Models 132r and 13...

Page 3: ...MA type connector parallel blade U ground may also be used Extension cords are available from your local retailer Use only round jacketed extension cords approved for outdoor use THE PURPOSE OF SAFETY...

Page 4: ...oot or wearing open sandals Always wear sturdy rubber soled footwear The use of gloves ear hearing protection and long pants are recommended A nameplate on your unit indicates what voltage it uses Nev...

Page 5: ...ilament line that is not specifically designed for use with your model Keep trimmer clean of vegetation and other materials Always stop the unit when cutting is delayed or when walking from one cuttin...

Page 6: ...starting or operating this unit THROWN OBJECTS AND ROTATING CUTTER CAN CAUSE SEVERE INJURY WARNING Do not operate without guard in place Keep away from rotating cutter WEAR EYE AND HEARING PROTECTION...

Page 7: ...Handle 180 top of the boom to the correct operating position 3 Position the D Handle as desired and tighten the wing nut Fig 2 If the string guard on your unit is not installed use the following instr...

Page 8: ...ttom of the guard Fig 8 Fig 8 OPERATING INSTRUCTIONS This trimmer has been designed and built to withstand normal use It will provide many hours of service provided the operating instructions are clos...

Page 9: ...nt s operator s manual If the incorrect hole is used it could result in injury or damage to the unit Click Link Click Link Release Button Guide Recess Knob Primary Hole Upper Boom Lower Boom Release B...

Page 10: ...line is released For best results tap the head on bare ground or hard soil If line release is attempted in tall grass the motor may overheat Always keep the trimming line fully extended Line release b...

Page 11: ...lling the line out of the line loading or locking holes See Figs 18 and 19 for location of holes 1 Line up the arrow on the inner reel with the arrow on the outer spool Fig 17 NOTE Do not wind the inn...

Page 12: ...nterclockwise Fig 22 RELEASING THE INNER REEL If the speed spool does not operate correctly when bumping the head on the ground use the following instructions 1 Pull the ends of the line firmly away f...

Page 13: ...of the outer spool To clean the shaft underneath the plunger press down on the plunger Fig 27 Remove any dirt and or debris from the shaft 5 Install the inner reel spring foam seal and Bump Knob into...

Page 14: ...the plastic housing or handle They can be damaged by certain household cleaners that contain aromatic oils such as pine and lemon and by solvents such as kerosene Moisture can also cause a shock hazar...

Page 15: ...15 NOTES...

Page 16: ...ltered or modified so as to change its intended use The warranty does not extend to repairs made necessary by normal wear or by the use of parts or accessories which are either incompatible with the R...

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