TRENCHERPRO 26-183 Manual de usuario

TRENCHER PRO

Mini-Trencher

Operator’s Manual

26-183: 16” Trencher

26-184: 20” Trencher

26-185: 27” Trencher

Product registration form attached to the back of this booklet. Mail your registration within 2

weeks of date of purchase.

Parts and Design

Power Head *

* 16” & 20” con gurations sold with

Husqvarna K770 power head; 27” sold

with Husqvarna K970.

Welcome!

Thanks for buying a TrencherPro! We design our products to meet the high demands

of our industrial and commercial clients, with ease-of-use that’s aimed at homeowners

and do-it-yourselfers. That means that our products are tough enough to meet rigorous

industry standards, but designed for non-professionals to learn to use. We warranty all

TrencherPro parts for one year from purchase date. Register your product today.

If you have feedback or questions, we want to know!

Mini-Trencher

TRENCHER PRO

This user guide/manual covers assembly, use, basic service and troubleshooting information for Tren-

cherPro parts (“digging-head drive adaptor”), including:

• mounting and installing the digging chain and chain guard;

• assembling the trenching cart;

• instructions for basic operation.

For more information about use and maintenance of the power head refer to operator’s manual pro-

vided.

WARNING!

WEAR PERSONAL

PROTECTIVE EQUIPMENT

Failure to follow warnings, cautions, or assembly

and operation instructions in this manual may

result in serious injury or death.

Read this operator’s manual before operation!

●Do not permit children to operate this

equipment at any time. Do not permit others

that have not read and understood this

manual to operate the mini-trencher.

●Keep all people and pets a minimum of

10 feet away from the work area when

operating the mini-trencher. Only the

operator should be near the mini-trencher

during use.

●Do not operate this device when under the

inuence of alcohol, drugs or medication.

●Do not allow a person who is tired, not

completely alert, or otherwise impaired to

operate the mini-trencher.

●Always check with authorities for

underground utilities before digging

trenches. Serious injury or death could

result from contact with gas or electric lines.

●Read the power head operation manual

concerning the use and maintenance of

power head.

●Make sure that all safety guards are in

place and securely fastened. Do not operate

if any guards are missing.

●Make sure that the digging chain is

correctly installed, oriented, and in good

working condition prior to use.

We recommend operating this minitrencher with

the cart.

Death or serious injury can result from

entanglement with moving parts.

GENERAL SAFETY

KEY TO SYMBOLS

Notice:

Tip

Indicates the possibility of death

or serious injury.

Indicates the possibility of injury

to self or damage to equipment.

Indicates additional information.

Important Safety Information

Read and thoroughly understand all instructions

and safety information before assembling or

operating this mini-trencher. Failure to do so

may result in serious injury or death. Do not

allow anyone who has not read this manual to

operate the device. As with all power equipment, a

trencher can be dangerous if assembled or used

improperly. Do not operate if you have doubts or

questions concerning safe operation.

Call our customer service department at 720-

437-7640, or email us at customerservice@

tooltuffdirect.com if you have questions or

concerns about the safe operation of this

equipment.

When operating this minitrencher it is essential

that you wear safety gear including safety

glasses, steel toe shoes, well-tted gloves

(no loose cuffs or draw strings), and hearing

protection. We also recommend a face guard,

especially for hand-held applications.

Do not wear loose clothing or jewelry that can be

caught by moving parts. Keep clothing and hair

away from all moving parts while operating.

Safety Decals

Make sure all safety warning decals are attached and in readable condition. Replace

missing or defaced decals. Call 720-437-7640 for replacement decals.

1) Part # 29-036

2) Part # 29-037

Important Safety Information

INTENDED USE REASONABLY FORESEEABLE

MISUSE

General Use Guidelines

This device is designed and tested for use

digging narrow (2-3”) trenches from 16-27” in

depth (depending on conguration) in most soil

types. It is not intended to cut solid surfaces

such as tarmac or concrete. Excessively rocky

soil types, soil with large heavy rocks, or soil with

roots measuring more than 2” in diameter can

damage the chain, drive adapter, or powerhead.

It is recommended for laying sprinkler lines,

drainage pipes, cables, root barriers, and related

applications. Do not use the mini-trencher for

any purpose other than digging trenches in the

suitable soil. Any other use is unauthorized and

may result in serious injury or death.

We recommend that you use the cart when

digging trenches. It reduces fatigue and keeps

you at a safe working distance from moving

parts and debris. However, it is possible to use

the trencher without the cart if the situation

demands.

Use common sense and stay safe!

The following constitutes improper use

and voids any warranty:

Notice:

Always check with authorities for

underground utilities before digging

trenches!

Serious injury or death could result from

contact with gas or electric lines.

• Attempting to cut wood or trim hedges

• Attempting to cut concrete, asphalt or tarmac,

or any solid surface

• Attempting to cut solid stone or rock

• Use in extremely rocky soil

In the course of digging a trench, the mini-

trencher may come into contact with unforeseen

objects such as large tree roots, large heavy

rocks, unmarked obstacles, etc. We consider this

reasonably foreseeable misuse and will work with

you to keep your mini-trencher operational.

Please contact our service department at:

customerservice@tooltuffdirect.com

720-437-7640

TRENCHER PRO

14 16

ref. # description part #

1 Main mount 26-114

2 Heavy-duty digging bar 26-115 / 26-179 / 26-180

3 (Chain bar) mounting plate 26-118

4 Chain guard 26-146

5 Drive sprocket 26-140

6 Plastic guard 26-147

7Rubber guard ap (x 2) 26-137

8M12 bolt (x 2); (1.25mm X 35mm)

9M12 lock washer (x 2)

10 M12 washer (x 2)

11 M8 bolt (x 2); (1.25mm X 14mm)

12 M8 lock washer (x 2)

13 M8 nylock nut (x 6)

Inset

14 Nose sprocket A (11 teeth) 26-170

15 Nose sprocket B (6 teeth) 26-120

16 M8 screw (x 3); (1.25mm X 20mm)

Mini-Trencher Parts Guide:

Digging-head drive adapter

Tip

Notice:

Step 1: Installing the Digging Bar

and Chain

The heavy-duty digging bar [2] and chain are

disassembled for shipping. Before operating the

mini-trencher, you must install the digging bar

and chain, then tension the chain for the type of

material you will be working with.

1. Orient the digging chain correctly.

During operation, the chain rotates away from the

powerhead on the top side and returns on the bot-

tom, pulling loose material with it. e chain must be

oriented correctly, with the teeth opening towards the

loose material.

2. Mount the chain and chain bar.

A. Get the bar in position. Drape the digging

chain over the bar.

B. Seat the chain on both the nose sprocket

[14/15] and drive sprocket [5] as you mount

the bar.

C. Slide the slot into place. It should t snugly.

Use the M12 bolts [8], washers [10] and lock washers

[9] to attach the mounting plate [3], and tighten loose-

ly.

• Don’t tighten rmly until you tension the

chain.

Before you begin, locate the mounting plate [3],

M12 bolts [8], washers [10] and lock washers [9].

Read and understand the chain-tensioning

guide before operation.

3. Attach the mounting plate.

Notice:

Tip

Step 1, Continued:

4. Tension the chain.

Insert a athead screwdriver into the tensioning hole

in the chain bar. Force the bar out, away from the pow-

er head, until you reach the desired chain tension.

You may need to tap the bar back and start again if the

chain becomes too tight.

5. Attach the chain guard.

Use a socket wrench (not included) or impact driver to

rmly tighten the bolts.

Once the desired chain tension is reached, securely fas-

ten the mounting plate [3]. (See the Chain Tensioning

Guide for more details.)

Use a socket wrench (not included) or impact driver to

rmly tighten the bolts.

Review the chain-tensioning guide (next page)

carefully before operation.

Use the M8 bolts [11] and lock washers [12] to attach

the chain guard [4] onto the main mount [1].

e bolt holes are located above the drive sprocket [5].

Notice:

Soil type Chain tension

loose top soil;

hard, compacted soil;

clay

1”

between bottom of digging bar and inside

of digging chain

moderately rocky soil;

sandy, coarse soil

1 ½”

between bottom of digging bar and inside

of digging chain

Notice:

Tip

Chain Tensioning Guide

Above: Chain is tensioned to 1” for normal top

soil.

Use the small end of the combination wrench

tool to measure approximate spacing between

bottom of digging bar and inside of digging

chain.

1”

Check chain tension occasionally during

operation!

• Chain tension can slip and may require

adjustment!

The chain tension must be adjusted according to

soil type.

1 ½”

Above: Chain is tensioned to 1 ½” for coarse

soil.

Use the large end of the combination wrench

tool to measure approximate spacing.

Tighten the bolts [8] rmly before use.

• We recommend using a socket wrench (not in-

cluded) or impact driver to make sure bolts are

tight.

too tight!

too loose!

Too much slack in the chain causes excessive

wear to external parts and may damage the

main mount and guards.

Over-tightening the chain may cause binding

and excess wear to the drive belt and/or clutch.

Step 2: Assembling the Cart

Lay out all the parts in an area where you have

plenty of space to assemble the cart. Locate the

axle [10C].

Cart Parts

ref. # description part #

1C grip 26-173

2C (throttle) lever 26-172

3C cable-tension adjuster

4C throttle cable 26-148

5C trigger-extension accessory

6C throttle-extension arm 26-129

7C pivot arm (spring-loaded

end faces axle) 26-133

8C shaft-locking pin

9C-a strap 26-131

9C-b strap plates (x 2)

10C axle

26-135

11C mounting lock

12C mounting guide

13C handle-mount bar

14C pivot plate

15C clevis pin

16C lynch pins (x 2)

17C wheels (x 2) 26-174

}

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