MTD 315B User Manual
OWNEirS GUIDE
• ASSEMBLY • OPERATION • MAINTENANCE •
CHIPPER-
VACUUM
Model Series
315B
Important:
Read Safety Rules
and Instructions Carefully
WARNING: This unit is equipped with an internai combustion engine and should not be used
on or near any unimproved forest-covered, brush-covered or grass-covered land unless the
engine’s exhaust system is equipped with a spark arrester meeting applicabie local or state
laws (if any). If a spark arrester is used, it should be maintained in effective working order by
the operator.
in the State of California the above is required by law (Section 4442 of the California Public
Made ^
in
AMERICA
Resources Code). Other states may have similar laws. Federal laws apply on federal lands.
A spark arrester for the muffler is available through your nearest engine authorized service
dealer or contact the service department, P.O. Box 368022, Cleveland, Ohio 44136-9722.
IMPORTANT!
Record the Model No. and Mfg. Code which
appear on your unit in the space below. You
must have these numbers, along with the date
of purchase, in order to receive warranty or ser
vice.
MODEL NO.
SERIAL NO.
FORM NO. 770-8920K
IMPORTANT
THIS SYMBOL POINTS OUT IMPORTANT SAFETY INSTRUCTIONS WHICH, IF NOT FOLLOWED, COULD ENDANGER THE PERSON
AL SAFETY AND/OR PROPERTY OF YOURSELF AND OTHERS. READ AND FOLLOW ALL INSTRUCTIONS IN THIS MANUAL
▲
A
BEFORE AHEMPTING TO OPERATE YOUR CHIPPER-VACUUM. FAILURE TO COMPLY WITH THESE INSTRUCTIONS MAY RESULT
IN PERSONAL INJURY. WHEN YOU SEE THIS SYMBOL: HEED ITS WARNING.
Your chipper-vacuum was built to be operated according to the ruies for safe operation in this manual. As
n . Mprn. power equipment, careiessness or error on the part of the operator can result in serious
DANucn: injury. This unit is capable of amputating fingers and hands and throwing objects. Faiiure to observe the
foliowing safety instructions could result in serious injury or death.
SAFE OPERATION PRACTICES
i. GENERAL OPERATION
k 1. Read this owner’s guide carefully in its entirety before attempt
ing to assemble this machine. Read, understand, and foiiow aii
instructions on the machine and in the manuai(s) before opera
tion. Be compieteiy famiiiar with the controis and the proper
use of the machine before operating it. Keep this manual in a
safe place for future and regular reference and for ordering
replacement parts.
2. Your chipper-vacuum is a powerful tool, not a plaything.
Therefore, exercise extreme caution at all times. Your unit has
been designed to perform two jobs; to chip and vacuum vege
tation found in a normal yard. Do not use it for any other pur
pose.
3. Never allow chiidren under 16 to operate the unit. Children 16
years and older should only operate under close parental
supervision. Only responsible individuals who are familiar with
these rules of safe operation should be allowed to use your
unit.
4. Keep the area of operation ciear of all persons, particularly
small children and pets. Stop the engine when they are in the
vicinity of the unit. When chipping, keep work area clear of
branches or obstacles which couid cause you to stumble and
fall.
5. When feeding materiai into this equipment, be extremeiy carefui that pieces of metal, rocks, bottles, cans or other foreign
objects are not included. Personal injury or damage to the
machine couid resuit.
6. Always wear safety glasses or safety goggles, during operation
. and whiie performing an adjustment or repair, to protect eyes
from foreign objects that may be thrown from the machine.
7. Wear sturdy, rough-soled work shoes and close fitting siacks
and shirt. Shirt and slacks that cover the arms and legs and
steel-toed shoes are recommended. Do not wear loose fitting
clothes or jewelry and secure hair so it is above shouider
iength. They can be caught in moving parts. Never operate a
unit in bare feet, sandals or sneakers. Wear gloves when feed
ing materiai in the chipper chute.
8. Do not operate the unit while under the influence of alcohol or
drugs.
9. Do not overreach. Keep proper footing and balance at all
times.
10; Never place your hands or any part of your body or clothing
near or under rotating parts. Keep ciear of the discharge open
ing at all times. Never insert your hands or any part of your
body or clothing into the nozzle, chipper chute or discharge
opening as the rotating impeller can cause serious injury.
11. If it is necessary for any reason to unciog the feed intake or
discharge openings or to inspect or repair any part of the
machine where a moving part can come in contact with your
body or ciothing, stop the machine, allow it to cooi, disconnect
the spark piug wire from the spark plug and move it away from
the spark plug before attempting to unclog, inspect or repair.
12. Never operate unit without vacuum bag and discharge chute
properly affixed to unit. Large zippered end of bag must be
closed to prevent objects from being blown out.
13. Never operate unit without either the inlet nozzle or optional
hose attachment properly affixed to unit. These devices shield
the operator from accidental contact with the rotating impeller.
Never attempt to convert the unit from nozzle to hose mode or
vice versa with the engine running.
14. Never attempt to remove or empty vacuum bag when engine is
running. Shut the engine off and wait for the impeller to come
to a complete stop before removing the bag. The impeller con
tinues to rotate for a few seconds after the engine is shut off.
Never place any part of the body in the impeller area until you
are sure the impeller has stopped rotating.
15. Keep all guards and safety devices in place and operating
properly. ,
16. Do not allow an accumulation of processed material to build
up in the discharge area as this will prevent proper discharge
and can result in kick-back from the chipper chute.
17. Keep your face and body back from chipper chute to avoid
accidental bounce back of any material.
18. If the cutting mechanism strikes a foreign object or if your
machine should start making an unusual noise or vibration,
immediately stop the engine, disconnect the spark plug wire
and move the wire away from the spark plug. Allow the
machine to stop and take the following steps.
• Inspect for damage.
• Repair or repiqce any damaged parts.
• Check for any loose parts and tighten to assure continued
safe operation.
19. Muffler and engine become hot and can cause a burn. Do not
touch.
20. Do not allow leaves or other debris to build-up on engine’s
muffler. The debris could ignite and cause a fire.
21. Do not operate engine if air cleaner or cover over carburetor
air-intake is removed, except for adjustment. Removal of such
parts could create a fire hazard.
22. Only operate unit in good daylight. Do not operate unit at night
or in dark areas where your vision may be impaired.
23. Only use accessories approved for this machine by the manu
facturer. Read, understand, and follow all instructions
provided with the approved accessory.
24. If situations occur which are not covered by this manual, use
care and good judgment. Contact your dealer for assistance.
II. CHILDREN
‘Tragic accidents can occur if the operator is not alert to the pres
ence of small children. Children are often attracted to the chipping
and vacuuming activity. Never assume that children will remain
where you last saw them.
1. Keep children out of the work area and under the watchful eye
of a responsible adult other than the operator.
2. Be alert and turn the unit off if a child enters the area.
3. Never allow children under the age of 16 to operate the chip
per-vacuum.
III. SERVICE
M. Use extreme care in handling gasoline and other fuels. They
are extremely flammable and the vapors are explosive.
a. Store fuel and oil in approved containers, away from heat
and open flame, and out of the reach of children.
b. Check and add fuel before starting the engine. Never
remove gas cap or add fuel while the engine is running.
Allow engine to cool at least two minutes before refueling.
c. Replace gasoline cap securely and wipe off any spilled
gasoline before starting the engine as it may cause a fire
or explosion.
d. Extinguish all cigarettes, cigars, pipes and other sources
of ignition.
e. Never refuel unit indoors because flammable vapors will
accumulate in the area.
f. Never store the machine or fuel container inside where
there is an open flame or spark such as a gas hot water
heater, clothes dryer or furnace.
2. Never run your machine in an enclosed area as the exhaust
from the engine contains carbon monoxide, which is an odor
less, tasteless and deadly poisonous gas.
3. To reduce fire hazard, keep engine and muffler free of leaves,
grass, and other debris build-up. Clean up fuel and oil spillage.
Allow unit to cool at least 5 minutes before storing.
4. Before cleaning, repairing, or inspecting, make certain the
impeller and all moving parts have stopped. Disconnect the
spark plug wire and keep wire away from spark plug to prevent
accidental starting. Do not use flammable solutions to clean
air filter.
5. Keep all nuts, bolts, and screws tight to be sure the equipment
is in safe working condition. *
6. Never tamper with safety devices. Check their proper opera
tion regularly.
7. After striking a foreign object, immediately stop the engine,
disconnect the spark plug wire from the spark plug, and thor
oughly inspect the unit for any damage. Repair damage before
starting and operating unit.
8. Do not alter or tamper with the engine’s governor setting. The
governor controls the maximum safe operating speed of the
engine. Over-speeding the engine is dangerous and will cause
damage to the engine and to other moving parts of the
machine.
9. Check the vacuum bag frequently for wear. Replace if worn or
damaged.
10. Keep vacuum bag free of debris when not in use.
OWNER’S
MANUAL
SAFETY LABEL
A
Restrict the use of this power machine to persons who read,
understand and follow the warnings and instructions in this
manual and on the machine.
WARNING — YOUR RESPONSIBILITY
FIGURE 2.
ASSEMBLY INSTRUCTIONS
IMPORTANT: This unit is shipped WITHOUT
GASOLINE or OIL in the engine. After assembiy,
see operation section of this manuai for proper
fuei and engine oil recommendations.
NOTE: To determine right and left hand sides of your
chipper-vacuum, stand behind and face the unit
(Refer to figure 7).
Your chipper-vacuum has been completely assembled
at the factory except for the front wheels, hub caps,
nozzle, chipper chute, support bracket and bag. A pair
of safety glasses are also included in the carton.
TO REMOVE CHIPPER-VACUUM FROM CARTON
Cut the corner of the carton. Remove ail packing
inserts and loose parts. Push down on handle to lift
front of chipper-vacuum, and roil chipper-vacuum out
of the carton. Make certain ali parts and iiterature
have been removed before the carton is discarded.
TOOLS REQUIRED FOR ASSEMBLY
(1) 3/4" Open End Wrench
(2) 1/2" or Adjustable Wrenches
(1) 9/16" Wrench
(1) Funnel
LOOSE PARTS IN CARTON (See Figure 1)
(2) Front Wheels (1) Bag
(2) HubCapst (1) Shift Knobt
(1) Nozzle (1) Tamper Plugt
(1) Chipper Chute (i) Safety Glassesf
(1) Support Bracket
tNot Shown
ATTACHING THE FRONT WHEELS
1. Tiit unit backward so that it rests on the handle
(place a piece of the carton under handle to avoid
scratches). Remove the cardboard packing
material around the wheel brackets.
2. Remove the hex lock nuts and shoulder bolts
Wing Nuts
from the front of the wheel brackets. See figure 2.
3. Place wave washer on shoulder bolt. Insert
shoulder bolt through wheel, with the head of the
shoulder bolt through the flat side of the wheel.
4. Assemble wheel to outside of wheel bracket.
Secure with cupped washer (cupped side of
washer goes against the bracket) and hex lock
nut. Tighten.
5. Aiign the four tabs on the hub caps with the four
hoies in the wheei. Press in each tab until it locks
in place. The hub cap edges must be flush with
the wheei rim when instailed properly.
AHACHING THE NOZZLE (See figure 3)
1. Remove the three plastic wing nuts from the front
of the chipper-vacuum. Place the nozzle in posi
tion over the three weld studs. Secure with the
wing nuts just removed.
2. Set unit in upright position.
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