MTD 110-072A User Manual
.50
ASSEMBLY
OPERATION
MAINTENANCE
PARTS LIST
IMPORTANT:
Read Safety Rules
and Instructions
PRINTED IN U.S.A.
MODEL NUMBERS
110-072A
110-072-300
20"
ROTARY
MOWERS
FORM NO. 770-0095
INDEX
Safe Operation Practices
Assembly Instructions
Operation Instructions
Adjustments
Lubrication
Maintenance......................................................................8
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For one year from the date of original retail purchase, MTD PRODUCTS INC will either
repair or replace, at its option, free of charge, F.O.B. factory or authorized service firm,
any part or parts found to be defective in material or workmanship. Transportation charges
for any parts submitted for replacement under this warranty must be paid by the purchaser
unless such return is requested by MTD PRODUCTS INC.
This warranty will not apply to any part which has become inoperative due to misuse,
excessive use, accident, neglect, improper maintenance, alterations, or unless the unit
has been operated and maintained in accordance with the instructions furnished. This
warranty does not apply to the engine, motor, battery, battery charger or component parts
thereof. Please refer to the applicable manufacturer’s warranty on these items.
LIMITED WARRANTY
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This warranty will not apply where the unit has been used commercially.
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Using Your Rotary Mower................................................9
Off-Season Storage.........................................................10
Exploded Parts View
Repair Parts List
Parts Information
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Back Cover
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The equipment which you have just purchased does not have a spark arrester. If this equipment is used on
any forest covered land, brush covered land, or grass covered unimproved land in the State of California,
before using on such land, the California law requires that a spark arrester be provided. In addition, spark
arrester is required by law to be in effective working order. The spark arrester must be attached to the
exhaust system and comply with Section 4442 of the California Public Resources Code.
Warranty service is available through your local authorized service dealer or distributor. If
you do not know the dealer or distributor in your area, please write to the Customer Service
Department of MTD.
The return of a complete unit will not be accepted by the factory unless prior written
permission has been extended by MTD.
This warrany gives you specific legal rights. You may also have other rights which vary
from state to state.
WARNING TO PURCHASERS
OF INTERNAL COMBUSTION ENGINE EQUIPPED
MACHINERY OR DEVICES IN THE STATE OF CALIFORNIA
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IMPORTANT
It is suggested that this manual be read in its entirety before attempting to assembie or operate. Keep this
manual in a safe place for future reference and for ordering replacement parts.
This unit is shipped WITHOUT GASOLINE or OIL. See operating section of this manual for proper fuel and
engine oil recommendations.
Your rotary mower is a precision piece of power equipment, not a plaything. Therefore, exercise extreme
caution at all times.
SAFE OPERATION PRACTICES FOR WALK-BEHIND MOWERS
TRAINING
1. Read the Operating and Service Owner’s
Manual carefully. Be thoroughly familiar with
the controls and the proper use of the equip
ment.
2. Never allow children to operate a power
mower. Only persons well acquainted with
these rules of safe operation should be allow
ed to use your mower.
3. Keep the area of operation clear of all per
sons, particularly small children and pets.
Stop engine when they are in the vicinity of
your mower. Although the area of operation
shouid be completely cleared of foreign ob
jects, a small object may have been overlook
ed and could be accidently thrown by the
mower in any direction.
PREPARATION
1. Thoroughly inspect the area where the equip
ment is to be used. Remove ali stones, sticks,
wire, bones and other foreign objects which
couid be picked up and thrown by the mower
in any direction.
2. Do not operate equipment when barefoot or
wearing open sandals. Always wear substan
tial footwear.
3. Do not wear loose fitting clothing that could
get caught on the mower.
4. Check the fuel before starting the engine. Do
not fill the gasoline tank indoors, when the
engine is running, or while the engine is still
hot. Wipe off any spilled gasoline before start
ing the engine.
5. Disengage the self-propelled mechanism or
drive clutch on units so equipped before start
ing the engine.
6. Never attempt to make a wheel or cutting
height adjustment while the engine is run
ning.
7. Mow only in daylight or in good artificial light.
8. Never operate the equipment in wet grass.
Always be sure of your footing. Keep a firm
hold on the handle and walk, never run.
OPERATION
1. Do not change the engine governor settings
or overspeed the engine. Excessive engine
speeds are dangereous.
2. Do not put hands or feet near or under rotating
parts. Keep clear of the discharge opening at
all times.
3. Stop the blade(s) when crossing gravel drives,
walks or roads.
4. After striking a foreign object, stop the
engine, remove the wire from the spark plug,
3 equipment specifications.
and thoroughly inspect the mower for any
damage. Repair the damage before restarting
and operating the mower.
5. If the equipment should start to vibrate abnor
mally, stop the engine and check immediately
for the cause. Vibration is generally a warning
of trouble.
6. Stop the engine whenever you leave the
mower, before cleaning the mower housing,
and when making any repairs or inspections.
7. When cleaning, repairing or inspecting, make
certain the blade and all moving parts have
stopped. Disconnect the spark plug wire, and
keep the wire away from the plug to prevent
accidental starting.
8. Before attempting to unclog the mower or
discharge chute, stop the engine and be sure
the blade(s) have stopped completely. Discon
nect the spark plug wire and keep the wire
away from the plug to prevent accidental start
ing.
9. Do not run the engine indoors.
10. Shut the engine off and wait until the blade
comes to a complete stop before removing
the grass catcher or unclogging chute.
11. Mow across the face of slopes, never up-anddown. Exercise extreme caution when chang
ing direction on slopes. Do not mow ex
cessively steep slopes.
12. Always disconnect electric mowers (line
operated) before cleaning, repairing or ad
justing.
13. Never operate mower without proper guards,
plates or other safety protective devices in
place.
14. Keep washout ports and other mower-housing
service openings closed when mowing.
MAINTENANCE AND STORAGE
1. Check the blade and engine mounting bolts at
frequent intervals for proper tightness.
2. Keep all nuts, bolts, and screws tight to be
sure the equipment is in safe working condi
tion.
3. Never store the equipment with gasoline in
the tank inside of a building where fumes may
reach an open flame or spark. Allow the
engine to cool before storing in any
enclosure.
4. To reduce fire hazard, keep the engine free of
grass, leaves, or excessive grease.
5. Check the grass catcher bag frequently for
wear or deterioration. For safety protection
replace only with new bag meeting original
Inner
Hole
Outer
Hole
Weld Pin
FIGURE 1.
Lower
Handle'
Hex Lock-
Nut
A
/' \
^ Carriage Bolt
Lower
Handle
Handle
Upper
ASSEMBLY
INSTRUCTIONS
1. Extend throttle control which is attached to
the engine at the rear of the mower and place
on the floor. Be careful not to bend or kink
control wire.
2. Fasten lower handle in position over weld
pins in handle mount brackets on deck.
Secure with hairpin cotters in inner hole on
weld pin. See figure 1.
NOTE
There are two (2) holes in the handle
mount brackets. Place the lower
handle against the brackets and
secure with hairpin cotter in the in
ner hole, inner hole is for operation.
Outer hole is for storage.
NOTE
It may be necessary to pull open the
ends of the lower handle. This will
insure a tight fit when assembled in
to handle mount brackets.
3. Assemble upper handle to lower handle.
—Secure with two carriage bolts and hex lock
nuts as shown in figure 2.
NOTE
There are two height positions for
the handle. See adjustment section.
FIGURE 2.
FIGURE 3.
Place the throttle control in position on right
side of upper handle. Secure with hex bolt and
lock nut. See figure 3.
NOTE
Reference to right and left hand
sides of the unit is observed from
the operating position.
I
5. Secure throttle control cable to handle with
—cable ties provided. See figure 4.
6. Check ALL nuts and bolts for correct
tightness.
FIGURE 4.
V
Cable
Shipping Block
To Be Removed
«
V
Chute Deflector
lilliiM
A
Please note that the chute deflector
on your mower is in an upright posi
tion. It is held in that position by a
-shipping block. This block is used
for shipping purposes only. It must
be removed and discarded before
your mower is put into operation.
See figure 5.
CAUTION
FIGURE 5.
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