DR
SAFETY & OPERATING INSTRUCTIONS
®
11.5 CHIPPER SHREDDER
Serial No.
Order No.
Read and understand this manual and all instructions before operating the DR 11.5 CHIPPER SHREDDER.
DR Power Equipment
Toll-free phone: 1-800-DR-OWNER (376-9637)
Fax: 1-802-877-1213
Website: www.DRpower.com
2 DR
®
11.5 CHIPPER SHREDDER
Table of Contents
Chapter 1: General Safety Rules ............................................................................................................................................................ 4
Chapter 2: Setting Up The DR 11.5 CHIPPER SHREDDER ................................................................................................................. 8
Chapter 3: Operating the DR 11.5 CHIPPER SHREDDER ................................................................................................................... 13
Chapter 4: Maintaining The DR 11.5 CHIPPER SHREDDER ............................................................................................................... 17
Chapter 5: Troubleshooting .................................................................................................................................................................. 25
Chapter 6: Parts Lists and Schematic Diagrams .................................................................................................................................. 28
Conventions used in this manual
This indicates a hazardous situation, which, if not followed, will result in death or serious injury.
This indicates a hazardous situation, which, if not avoided, could result in death or serious injury.
This indicates a hazardous situation, which, if not avoided, could result in minor or moderate injury.
This information is important in the proper use of your machine. Failure to follow this instruction could result in damage to
your machine or property.
Serial Number and Order Number
A Serial Number is used to identify your machine and is located on the Serial
Number Label on your machine (Figure 1). An Order Number is used to check
and maintain your order history and is located on the upper left portion of your
packing slip. For your convenience and ready reference, enter the Serial
Number and Order Number in the space provided on the front cover of this
manual.
Additional Information and Potential Changes
DR Power Equipment reserves the right to discontinue, change, and improve its
products at any time without notice or obligation to the purchaser. The
descriptions and specifications contained in this manual were in effect at
printing. Equipment described within this manual may be optional. Some
illustrations may not be applicable to your machine.
Figure 1
Serial
Number
CONTACT US AT www.DRpower.com 3
Chapter 1: General Safety Rules
Read this Safety & Operating Instructions Manual before you use the DR 11.5 CHIPPER SHREDDER. Become familiar with the
operation, service, loading/unloading, and storage recommendations to ensure the best performance from your machine. If you
have any questions or need assistance, please contact us at www.DRpower.com or call Toll-Free 1-800-DR-OWNER (376-9637)
and one of our Technical Support Representatives will be happy to help you.
Labels
Your DR 11.5 CHIPPER SHREDDER carries prominent labels as reminders for its proper and safe use. Shown below are copies of
all the Safety and Information labels that appear on the equipment. Take a moment to study them and make a note of their
location on your CHIPPER SHREDDER as you set up and before you operate the unit. Replace damaged or missing Safety and
Information labels immediately.
#13758
#39282
#18887
#39283
4 DR
®
11.5 CHIPPER SHREDDER
#38669
Protecting Yourself and Those Around You
This is a high-powered machine, with moving parts operating with high energy. You must operate the machine safely. Unsafe
operation can create a number of hazards for you, as well as anyone else in the nearby area. This machine can crush, grind, cut,
and sever parts of your body if they enter the inlet or discharge area of your CHIPPER SHREDDER. Always take the following
precautions when using this machine:
Keep in mind that the operator or user is responsible for accidents or hazards occurring to other people, their property, and
themselves.
Always wear protective goggles or safety glasses with side shields while using the CHIPPER SHREDDER to protect your eyes
from possible thrown debris.
Avoid wearing loose clothing or jewelry, which can catch on moving parts or the material fed into the CHIPPER SHREDDER.
We recommend wearing gloves while using the CHIPPER SHREDDER. Be sure your gloves fit properly and do not have loose
cuffs or drawstrings.
Wear shoes with non-slip treads when using your CHIPPER SHREDDER. If you have safety shoes, we recommend wearing
them. Do not use the machine while barefoot or wearing open sandals.
Wear long pants while operating the CHIPPER SHREDDER.
Use ear protectors or earplugs rated for at least 20 dba to protect your hearing.
Keep bystanders at least 100 feet away from your work area. Stop the engine when another person or pet approaches.
Safety for Children and Pets
Tragic accidents can occur if the operator is not alert to the presence of children and pets. Children are often attracted to the
machine and the chipping/shredding activity.
these precautions:
Never
assume that children will remain where you last saw them. Always follow
Keep children and pets at least 100 feet from the working area and ensure they are under the watchful care of a responsible
adult.
Be alert and turn the machine off if children or pets enter the work area.
Never allow children to operate the CHIPPER SHREDDER.
Safety with Gasoline - Powered Machines
Gasoline is a highly flammable liquid. Gasoline also gives off flammable vapor that can be easily ignited and cause a fire or
explosion. Never overlook the hazards of gasoline. Always follow these precautions:
Never run the Engine in an enclosed area or without proper ventilation as the exhaust from the Engine contains carbon
monoxide, which is an odorless, tasteless, and deadly poisonous gas.
Store all fuel and oil in containers specifically designed and approved for this purpose. Keep away from heat, open flames,
and out of the reach of children.
Replace rubber Fuel Lines and Grommets when worn or damaged and after 5 years of use.
Fill the Gasoline Tank outdoors with the Engine off and allow the Engine to cool completely first. Don't handle gasoline if you
or anyone nearby is smoking or if you're near anything that could cause it to ignite or explode. Reinstall the Fuel Tank Cap
and Fuel Container Cap securely.
If you spill gasoline, do not attempt to start the Engine. Move the machine away from the area of the spill and avoid creating
any source of ignition until the gas vapors have dissipated. Wipe up any spilled fuel to prevent a fire hazard and properly
dispose of the waste.
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Safety with Gasoline - Powered Machines (Continued)
To safely store, allow the Engine to cool completely before moving into any enclosure. Never store a machine that has gas in
the tank, or a Fuel Container, near an open flame or spark such as a water heater, space heater, clothes dryer, or furnace.
Never make adjustments or repairs with the Engine running. Shut down the Engine and wait 5 minutes for parts to cool.
Disconnect the Spark Plug wire, keeping it away from the Spark Plug, to prevent accidental starting before making
adjustments or repairs.
Never tamper with the Engine’s Governor setting. The Governor controls the maximum safe operation speed and protects
the Engine. Over-speeding the Engine is dangerous and will cause damage to the Engine and to the other moving parts of the
machine. If required, see your authorized dealer for Engine governor adjustments.
Keep combustible substances away from the Engine when it is hot.
Never cover the machine while the Muffler is still hot.
Do not operate the Engine with the Air Cleaner or the Carburetor Air Intake Cover removed. Removal of such parts could
create a fire hazard. Do not use flammable solutions to clean the Air Filter.
The Muffler and Engine become very hot and can cause a severe burn; do not touch.
General Safety
Operating this CHIPPER SHREDDER safely is necessary to prevent or minimize the risk of death or serious injury. Unsafe
operation can create a number of hazards for you. Always take the following precautions when operating this machine:
Your CHIPPER SHREDDER is a powerful tool, not a plaything. Exercise extreme caution at all times. The machine is
designed to chip wood and shred most organic materials. Do not use it for any other purpose.
Thoroughly inspect the area in which you will be working and remove all foreign objects. Look for rope, wire, etc., and remove
these objects before chipping/shredding. Inserting these objects into the CHIPPER SHREDDER Hopper could damage the
machine and/or cause injury.
Know how to stop the CHIPPER SHREDDER quickly; see “Stopping the Engine” in Chapter 3.
Never operate your unit on a slippery, wet, muddy, or icy surface. Exercise caution to avoid slipping or falling.
See manufacturer’s instructions for proper operation and installation of accessories. Only use accessories approved by DR
Power Equipment.
Never use the machine without ensuring that all guards and shields are in place.
Never, under any conditions, remove, bend, cut, fit, weld, or otherwise alter standard parts on the CHIPPER SHREDDER.
This includes all shields and guards. Modifications to your machine could cause personal injuries, property damage, and will
void your warranty.
Never use the machine with the Chipper Chute, Shredder Hopper, Blowback Guards, or Discharge Deflector removed.
Never place any part of your body in the Chipper Chute, Shredder Hopper, discharge opening, or near any moving part while
the machine is running. Keep the area of discharge clear of anything that will obstruct a clear discharge. Wind can also
change discharge direction, so be aware. If it becomes necessary to push material into the Chipper Chute or Shredder
Hopper, use a small diameter stick, NOT YOUR HANDS.
Keep your face and body back from the Chipper Chute and Shredder Hopper to avoid accidental bounce back of any material.
Do not allow an accumulation of processed material to build up in the discharge area as this will prevent proper discharge
and could result in kickback.
Allow only one person to operate the CHIPPER SHREDDER at any time.
Always operate the machine from the Operator Zone (see Figure 7
the machine when the Engine is running or the Flywheel is turning.
If the machine starts making an unusual noise or vibration, Shut down the Engine and wait 5 minutes for parts to cool,
disconnect the Spark Plug wire, keeping it away from the Spark Plug to prevent accidental starting before making adjustments
or repairs. Vibration is generally a warning of trouble. Check for damaged parts and clean, repair, and/or replace as
necessary.
Never tamper with safety devices. Check their proper operation regularly.
6 DR
®
11.5 CHIPPER SHREDDER
on page 13). Never pass or stand on the discharge side of
General Safety (continued)
Never try to pick up, move, or transport the machine while the Engine is running or the Flywheel is turning.
For safe loading up ramps carefully PULL the machine with the Shredder Hopper hand holds. For safe unloading down
ramps, guide the machine from behind with the hand holds so it goes down the ramps and you follow.
Before performing any maintenance or inspection procedure on the CHIPPER SHREDDER, shut down the Engine, wait 5
minutes for machine to cool, remove the Spark Plug Wire keeping it away from the Spark Plug.
Never allow people who do not understand and/or have not read this Safety and Operating Instructions Manual to use the
CHIPPER SHREDDER. Allow only responsible individuals who are familiar with these rules of safe operation to use your
machine.
Never overload or attempt to Chip or Shred material beyond the manufacturer’s recommendation. Personal injury or damage
to the machine could result.
While using the CHIPPER SHREDDER, don't hurry or take things for granted. When in doubt about the equipment or your
surroundings, stop the machine and take the time to look things over.
Never operate the machine when under the influence of alcohol, drugs, or medication.
Use the machine only in daylight.
Stay alert for hidden hazards or traffic.
Keep all nuts and bolts tight and keep the equipment in good operating condition.
California Proposition 65
California Proposition 65:
Engine exhaust and some of its constituents are known to the State of California to cause cancer, birth defects, and other
reproductive harm.
This product contains or emits chemicals known to the State of California to cause cancer, birth defects, and other
reproductive harm.
A Note to All Users
Under California law, and the laws of some other states, you are not permitted to operate an internal combustion engine using
hydrocarbon fuels without an Engine Spark Arrester. This also applies to operation on US Forest Lands. All DR Chippers
w/Shredder shipped to California, New Mexico, and Washington State are provided with Spark Arresters. Failure of the owner or
operator to maintain this equipment in compliance with state regulations is a misdemeanor under California law and may be in
violation of other state and/or federal regulations. Contact your State Park Association or the appropriate state organization for
specific information in your area.
No list of warnings and cautions can be all-inclusive. If situations occur that are not covered by this manual, the operator must
apply common sense and operate this DR 11.5 CHIPPER SHREDDER in a safe manner. Contact us at www.DRpower.com or call
Toll Free: 1-800-DR-OWNER (376-9637) for assistance.
CONTACT US AT www.DRpower.com 7
Chapter 2: Setting Up The DR 11.5 CHIPPER SHREDDER
s
l
l
A
A
A
It may be helpful to familiarize yourself with the controls and features of your DR 11.5 CHIPPER SHREDDER as shown in Figure 2
before beginning these procedures. If you have any questions at all, please feel free to contact us at www.DRpower.com.
DR 11.5 CHIPPER SHREDDER Controls and Features
Shredder
Hopper
Key Switch
Chipper Chute
Battery
Chipper Knife
ccess Plate
(Located on
Chipper Side
Sideplate)
Discharge
Deflector
Hammer Shaft
ccess Plate
Muffler
Belt Cover
Choke
Control
Lever
Electric Start Model
Oil Fil
Fuel Fil
11.5 FT-LBS Torque
Briggs & Stratton Engine
Throttle
Fuel Shut-Off Valve
Starter Handle
Oil Drain
(Front of Engine Base)
ir Filter
Pneumatic
Tire
8 DR
®
11.5 CHIPPER SHREDDER
Figure 2
Specifications
Model
Engine
Gross Torque
Starting
RPM
Chipping Capacity
Shredding Capacity
Chipper Knife
Shredding Hammers
Discharge Screen
Drive
Belt
Wheels
Unit Weight
Dimensions
Pin Hitch Towing
11.5 Chipper Shredder
Briggs & Stratton (See engine manual.)
11.50 Ft-Lbs
Manual or Electric w/ Recoil Backup
3500
4” Max Diameter Branches
3/4” Max Diameter Woody Material
Hardened Tool Steel, 4.75” x 1.25” x .28”
12 Hardened Steel, 4 Flat and 8 J
1” Diameter Holes
Centrifugal Clutch
V-Belt, B27
9/3.5 x 4, Pneumatic, 4 Ply
171 Lbs M/S, 186 Lbs E/S
34.5" L x 28.8" W x 46" H
Optional Accessory
CONTACT US AT www.DRpower.com 9
Assembly
Parts Supplied in Shipping Box:
- 11.5 CHIPPER SHREDDER Power Unit
- Shredder Hopper
- Product Pack:
--Safety and Operating Instructions Manual
--Engine Manual
--Hardware (listed below)
Hardware in Product Package:
Part# Description Qty
38640 .......... Bolt, HCS, 5/16-18 X 6", GR5, ZP ................... 2
11076 .......... Nut, Nylon Lock, 5/16-18, ZP .......................... 2
Tools needed:
Two 1/2" Wrenches
Attaching the Shredder Hopper
1. Position the Shredder Hopper onto the Power Unit with the hand hold
Hand Hold
Cutouts
cutouts facing the engine side (Figure 3).
2. Secure the Shredder Hopper with the two 5/16-18 X 6" Bolts and Locknuts
from the Product Package using two 1/2"Wrenches.
Bolts and
Locknuts
Shredder
Hopper
Figure 3
Adding Oil and Gasoline
You MUST add oil before starting the Engine. This machine is shipped without oil. Traces of oil may be in the reservoir from
factory testing, but you MUST add oil before starting the Engine
avoid overfilling.
To get an accurate reading when checking the oil level:
- The Engine MUST
- Refer to the Engine Manual for detailed information before performing the following procedures.
Engine Oil
SAE 30: above 50 degrees F; 10w-30: 10-90 degrees F; 5w-30: 30 degrees F or below
be level.
. Fill the reservoir slowly, checking the level frequently to
Fuel
10 DR
Unleaded gasoline (See Engine Manual) Note: With no more than 10% Ethanol
®
11.5 CHIPPER SHREDDER
Note: Use only the recommended high detergent Engine oil. Other types of oil
could cause problems operating your machine. Please refer to your Engine Owner’s
Manual for more detailed oil information.
1. Position the machine so the Engine is level. Remove the Oil Fill/Dipstick
(Figure 4).
2. Initially add half of the oil recommended by the Engine Manufacturer. Wait
one minute for the oil to settle.
3. Check the Oil level on the Dipstick as described in the Engine Manual.
4. Continue adding a few ounces of oil at a time, rechecking the level until the
oil reaches the full level as indicated in the Engine Manual. Be careful not to
overfill.
5. Replace the Oil Fill/Dipstick when full.
6. Remove the Fuel Fill Cap and fill the Fuel Tank with fresh, unleaded gas
(with a minimum of 85 Octane) to approximately 1" to 1-1/2" below the top
of the Fill Neck to allow for Fuel expansion. Be careful not to overfill and
reinstall the Fuel Fill Cap before starting the Engine. See your Engine
Owner’s Manual for more detailed information.
Note: To refill the Fuel Tank, turn the Engine OFF, and let the Engine cool at least
five minutes before removing the Fuel Fill Cap.
Fuel Fill
Oil
Fill/Dipstick
Figure 4
Check the Tire Pressure
Tools Needed:
Tire Pressure Gauge
Air Compressor or Hand Pump
1. Remove the Valve Stem Protective Cap (Figure 5) and check the Tire
pressure with a Tire Pressure Gauge.
2. Check the manufacturers recommended pressure that is stamped on the
side of the Tire.
Do not over inflate the Tires. Inflate to the manufacturers recommended
pressure.
3. If the pressure is too low, add air through the Valve Stem with an Air
Compressor or Hand Pump.
4. Replace the Valve Stem Protective Cap when finished.
Valve Stem
Protective Cap
Figure 5
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