RINO-TUFF 16231 Brush Cutter Universal Trimmer Head Instruction Manual

: June 6, 2024
: Rino-Tuff

Table of Contents

Hardware package
SAFETY INFORMATION
Helpful tips
Trouble Shooting
Easy Installation
Some straight shaft trimmers
Trimmer Blade Replacement
References
Read User Manual Online (PDF format)
Download This Manual (PDF format)

RINO-TUFF 16231 Brush Cutter Universal Trimmer Head Instruction Manual

Fits select models

Warning! Only use the nuts and bolts supplied with this product. Do not substitute nuts & bolts from other sources.

Hardware package

Note: You will only need 1 nut or bolt.

A. Trimmer head
B. 3 bolts
C. 3 nuts
D. Metal washer (always use above trimmer head)
F. ¼” Plastic washer

SAFETY INFORMATION

Warning! To reduce the risk of injury, user must read and follow all warnings, safety and installation instructions in the operator’s manual.
Warning! Wear Eye, Ear, Foot and Body Protection When in Use.
Warning! Do Not Exceed 8,000 RPM.
Warning! Do Not Use Vertical.
Warning! Change Blades When Bent.
Warning! Change Blades When Broken. Do not use if vibrating excessively. Excessive Vibration can damage your trimmer and can result in excessive temperatures which may melt the head, resulting in the head coming off the trimmer.
Warning! If any excessive vibration occurs during use, stop the trimmer immediately to check for damage.
Warning! Check metal pins on the brush cutter head for wear
- `Discard head if significant
Warning! Not for Curved Shaft Trimmers
Warning! Keep bystanders and pets at least 50 feet away while operating trimmer
Warning! Always Align Arrows with Pegs
Warning! Operator and any bystanders must wear eye protection or face shield to reduce risk of eye injury. Failure to wear eye protection can result in blindness. Eye protection that meets ANSI Z87.1 is recommended.
Warning! To reduce the risk of hearing loss, always wear hearing protection.
Warning! Objects may be thrown or ricochet in all directions.
To reduce the risk of injury to operator, never operate a trimmer without a properly mounted guard. And, wear proper clothing to protect feet, legs and any other exposed body parts.
Warning! Never wear open-toed shoes or shorts while trimming. Heavy boots should be worn.
Warning! To reduce the risk of injury from broken parts, check the condition of your trimmer head before each use and at regular short intervals. Do not continue to use if broken or damaged.
Warning! Keep feet and hands away from the trimmer head while operating the string trimmer.
Warning! Never change blades or head while trimmer engine is running – make sure the trimmer is in the OFF position.
Warning! Only use the nuts and bolts supplied with this product. Do not substitute nuts & bolts from other sources.
Warning! After tightening, if the head can move up and down on the shaft, then a spacer is needed.
Warning! Failure to remove a shaft extension prior to installing the head can result in the brush cutter unscrewing from the trimmer during use.
Warning! Operating the brush cutter with a shaft extension installed can result in the brush cutter unscrewing from the trimmer during use.

WARNING!

Risk of injury!

Do not attempt to make any adjustments or modifications not listed in your trimmer operator’s manual or this instruction sheet. Follow the manufacturer’s safety and operating instructions. Unauthorized modifications to your trimmer may result in the failure of your trimmer or trimmer head and cause serious personal injury.

Helpful tips

Thank you for your purchase! We are sure you will be happy with its performance and welcome your feedback. The following tips may help you maximize operating performance and protect you and your trimmer:

Read all instructions and safety information prior to use!

During installation remember that some trimmers are reverse threaded and tighten counter-clockwise.
Ensure no foreign objects such as string or long vegetation have wrapped around the shaft.

Trouble Shooting

In order to serve you with superior customer service we have provided three helpful ways for you to troubleshoot the installation process of your trimmer head.

Reference the instructions provided in this packet, go back through and make sure you did not miss a step.
Visit us at www.yardgear.com to watch the installation instruction video and to find out about our other useful products.
Call us at 866-212-7466(USA) and talk to our helpful support staff as they walk you through any installation issues or questions you might have.

Do not return to retailer! Simply call our support staff at (866)212-7466(USA) or find more information at www.yardgear.com.

Easy Installation

Select the right method and then it is as Easy as 1-2-3

Detach – old trimmer head
Identify – which nut or bolt you need
Install – your new head

Most straight shafts and some curved shafts with a male bolt end (Weedeater, Poulan, and Echo, ect.)

Use when removing whole housing and there is no removable shaft extension.

Installation

Consult owner’s manual to determine method to lock shaft rotation (Could be a key hole or require a wrench). Unscrew the entire trimmer head assembly by hand to expose the threaded shaft (may be left-hand threads).
Identify which nut from the package threads easily onto the shaft.
Place the identified nut into the recessed hex cavity of the trimmer head.
Place the metal washer onto the threaded shaft. Then while holding the nut in the recessed hex cavity with one finger, turn the entire trimmer head to thread the nut onto the trimmer shaft with the shaft rotation locked.
WARNING! After tightening, if the trimmer head can move up and down the shaft (if there is a GAP), a spacer is needed!
Use the ¼” plastic washer.
Trimmer head is ready for use after fully assembled. If blades become bent during use, refer to trimmer blade loading section of this manual for loading replacement blades.

Most curved shaft trimmers and some straight shafts.

Trimmers whose spool housing cannot be unscrewed (usually a yellow trimmer head)

Method 2
Not compatible with trimmers that have spool housing that cannot be removed.

Most curved shaft trimmers and some straight shafts

When the spool housing is removable.

Method 3
Not compatible with trimmers that have spool housing that cannot be removed.

Some straight shaft trimmers

With shaft extensions

Unscrew the knob and remove the entire trimmer head assembly. Unscrew the shaft extension to expose the primary shaft. Warning! Failure to remove a shaft extension prior to installing the head can result in the brush cutter unscrewing from the trimmer during use.
Identify which nut from the package threads easily onto the shaft.
Place the identified nut into the recessed hex cavity of the trimmer head.
Place the metal washer onto the threaded shaft. Then while holding the nut in the recessed hex cavity with one finger, turn the entire trimmer head to thread the nut onto the trimmer shaft with the shaft rotation locked.
WARNING! After tightening, if the trimmer head can move up and down the shaft (if there is a GAP), a spacer is needed!
Use the ¼” plastic washer.
Trimmer head is ready for use after fully assembled. If blades become bent during use, refer to trimmer blade loading section of this manual for loading replacement blades.

Trimmer Blade Replacement

Detach the trimmer head by locking the shaft rotation.
Once detach, separate the head so that the blades are exposed by removing the three bolts and nuts with a screwdriver (note: if the screw become striped and do not tighten or if the metal pins have significant wear – Discard the trimmer head).
Replace the blades – Warning! Do not substitute blades meant for other products.
Put the head back together so that it sandwiches the blades, being careful to make sure the metal pins fit into the hole in the cap. Warning! Always align arrows with pegs. Replace the three bolts with a screwdriver (note: if the screw become striped and do not tighten or if the metal pins have significant wear – Discard the trimmer head).
Reattach to trimmer head to the trimmer with the correct nut or bolt held securely in place.

Scan with smart phone to view installation