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Operator's Manual
21" Rear & Side Discharge
Mulching Lawn Mower
Model Series
430 Thru 439
IMPORTANT: Read safety rules and instructions carefully before operating equipment.
Warning:
This unit is equipped with an internal 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
applicable 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 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 361131 Cleveland, Ohio 44136-0019.
MTD LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019
FORM NO. 770-10179E.fm
PRINTED IN U.S.A.
(9/2003)
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Table of Contents
Related Manuals for Troy-Bilt 439 Series
Summary of Contents for Troy-Bilt 439 Series
- Page 1 Operator’s Manual 21” Rear & Side Discharge Mulching Lawn Mower Model Series 430 Thru 439 IMPORTANT: Read safety rules and instructions carefully before operating equipment. Warning: This unit is equipped with an internal 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 applicable local or state laws (if any).
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Page 2: Table Of Contents
TABLE OF CONTENTS Content Page Content Page Important Safe Operation Practices Servicing Your Lawn Mower Slope Gauge Making Adjustments Assembling Your Lawn Mower Off Season Storage Know Your Lawn Mower Trouble Shooting Operating Your Lawn Mower Illustrated Parts List Maintaining Your Lawn Mower Warranty FINDING MODEL NUMBER This Operator’s Manual is an important part of your new lawn mower. -
Page 3: Important Safe Operation Practices
SECTION 1: IMPORTANT SAFE OPERATION PRACTICES WARNING: This symbol points out important safety instructions which, if not followed, could endanger the personal safety and/or property of yourself and others. Read and follow all instructions in this manual before attempting to operate this machine. Failure to comply with these instructions may result in personal injury. - Page 4 Do Not: 8. Never operate the mower in wet grass. Always be sure of your footing. A slip and fall can cause 1. Do not mow near drop-offs, ditches or serious personal injury. If you feel you are losing embankments, you could lose your footing or your footing, release the blade control handle balance.
- Page 5 7. Extinguish all cigarettes, cigars, pipes and other lead to improper performance and compromise sources of ignition. safety!” 8. Never fuel machine indoors because flammable 4. Mower blades are sharp and can cut. Wrap the vapors will accumulate in the area. blade or wear gloves, and use extra caution when 9.
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Page 6: Slope Gauge
SECTION 2: SLOPE GAUGE... -
Page 7: Assembling Your Lawn Mower
SECTION 3: ASSEMBLING YOUR LAWN MOWER Removing Unit From Carton • Remove staples, break glue on top flaps or cut tape at carton end and peel top flap to open carton. • Remove loose parts if included with unit. • Cut corners and lay carton down flat. - Page 8 Assembling Grass Catcher NOTE: If your mower’s grass catcher has been already Carriage Bolt assembled before shipping, proceed to the next section. If it is unassembled, follow the steps below. • Insert frame into grass bag with the black plastic Upper side on the bottom of bag.
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Page 9: Know Your Lawn Mower
Removing Grass Catcher • Lift the rear discharge door on the mower, and lift Mulching the grass catcher up. Plug • Release the rear discharge door. Converting to Side-Discharge • Your mower has been shipped as a mulcher. To Hinge convert it to a side-discharge mower, lift the mulching plug. -
Page 10: Operating Your Lawn Mower
Cutting Height Adjustment Lever Primer This lever, located at each wheel, lets you adjust cutting The primer is used to pump gas into the carburetor. Use height of the grass. Remember to put all four levers at it to assist in starting a cold engine, but do not use it when restarting a warm engine after a short shutdown. - Page 11 Operating Your Lawn Mower Bagging Grass Clippings • Once the engine has started, squeeze the blade You can use the grass catcher bag to collect clippings control handle against the upper handle to run the while you are operating the mower. lawn mower.
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Page 12: Maintaining Your Lawn Mower
SECTION 6: MAINTAINING YOUR LAWN MOWER Make sure to avoid muffler and IMPORTANT: WARNING: Always stop engine and surrounding areas while the mower engine is hot disconnect spark plug wire before performing because temperature of these areas of the engine may any maintenance or adjustments on the mower. -
Page 13: Servicing Your Lawn Mower
SECTION 7: SERVICING YOUR LAWN MOWER Blade Care NOTE: An unbalanced blade will cause excessive vibration when rotating at high speeds, may cause Periodically inspect the blade adapter and pulley for damage to the mower and could break causing cracks, especially if you strike a foreign object. Replace personal injury. -
Page 14: Making Adjustments
Replacing Rear Flap • Attach the new flap and new rod to deck, bending the ends of the new rod over to secure to deck. • To remove rear flap, cut off the flat end of the wire rod which secures it to the deck. See Figure 15 . Rear Discharge Door Handle... -
Page 15: Off Season Storage
SECTION 9: OFF-SEASON STORAGE Prepare your lawn mower for storage at the end of the • Store unit in a clean, dry area. Do not store next to season or if the unit will not be used for 30 days or corrosive materials, such as fertilizer or rocksalt. -
Page 16: Illustrated Parts List
SECTION 11: PARTS LIST FOR MODEL SERIES 430 THRU 439 30† 56† 56† Wheel Treads Zag Tread Wheel Bar Tread Wheel Link Tread Wheel Off Bar Tread Wheel † If Equipped... - Page 17 Model Series 430 Thru 439 Ref. Ref. Part No. Description Part No. Description 747-1161A Control Handle 738-0507B Shld. Bolt.5" Dia. x.357" 710-1205 Rope Guide 731-2626† Deluxe Bail Cover 720-0279 Handle Knob 1/4-20 Thd. 720-0426 Spring Lever Knob 710-1174 Curved Hd. Bolt 5/16-18 x 2" 732-04175 Rear Spring Lever 720-0284...
- Page 18 NOTES...
- Page 19 NOTES...
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Page 20: Warranty
MANUFACTURER’S LIMITED WARRANTY FOR: The limited warranty set forth below is given by MTD LLC with MTD does not extend any warranty for products sold or respect to new merchandise purchased and used in the exported outside of the United States, its possessions United States, its possessions and territories.