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Bolens 436 - User Manual

Bolens 436
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IMPORTANT: Read safety rules and instructions carefully before operating equipment.
21” Rear & Side Discharge
Mulching Lawn Mower
Model 436
PRINTED IN U.S.A.
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.
TROY-BILT LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019
Operator’s Manual
FORM NO.
769-00577.fm
(12/2002)

Table of Contents

Questions and Answers

  • E
    Elizabeth MeltonJul 28, 2025
    How to fix a Bolens Lawn Mower when the engine fails to start?
    • J
      juanmooreJul 28, 2025
      If your Bolens Lawn Mower engine won't start, there are several potential causes: * The blade control handle may be disengaged: Engage the blade control handle. * The spark plug wire may be disconnected: Connect the wire to the spark plug. * The fuel tank may be empty or contain stale fuel: Fill the tank with fresh gasoline. * The fuel line may be blocked: Clean the fuel line. * The spark plug may be faulty: Clean, adjust the gap, or replace the spark plug. * The engine may be flooded: Wait a few minutes and try starting it again.
  • M
    mckinneyvincentAug 2, 2025
    Why does my Bolens Lawn Mower engine run erratically?
    • J
      justinguerreroAug 2, 2025
      If your Bolens Lawn Mower engine is running erratically, it could be due to: * A loose spark plug wire: Connect and tighten the spark plug wire. * A blocked fuel line or stale fuel: Clean the fuel line and fill the tank with clean, fresh gasoline. * A plugged vent in the gas cap: Clear the vent. * Water or dirt in the fuel system: Drain the fuel tank and refill with fresh fuel. * A dirty air cleaner: Clean the air cleaner.
  • D
    Danielle MillsAug 6, 2025
    What to do if my Bolens Lawn Mower engine overheats?
    • S
      Stephen ColemanAug 6, 2025
      If your Bolens Lawn Mower engine overheats, it could be due to: * Low engine oil level: Fill the crankcase with the proper oil. * Restricted airflow: Clean the lawn mower engine.
  • J
    James HardingAug 10, 2025
    Why is my Bolens 436 Lawn Mower vibrating excessively?
    • M
      Ms. Kayla McconnellAug 10, 2025
      If your Bolens Lawn Mower is excessively vibrating, check for: 1. A loose or unbalanced cutting blade: Tighten the blade and adapter, and balance the blade. 2. A bent cutting blade: Replace the blade. 3. A bent engine crankshaft: Contact your nearest service center.
  • E
    erik40Aug 14, 2025
    Why my Bolens Lawn Mower fails to mulch grass?
    • J
      Jennifer ShawAug 14, 2025
      If your Bolens Lawn Mower is not mulching grass effectively, consider these factors: * Wet grass: Wait until the grass is dry to cut. * Excessively high grass: Mow once at a high cutting height, then mow again at your desired height. * Dull blade: Sharpen or replace the blade.
  • F
    Frank RamirezAug 18, 2025
    How to fix an uneven cut with my Bolens Lawn Mower?
    • G
      gthomasAug 18, 2025
      If your Bolens Lawn Mower cut is uneven, it might be because: * The wheels are not in the same height position: Reposition all wheels at the same height. * The blade is dull: Sharpen or replace the blade.
  • C
    curtismichaelAug 23, 2025
    Why does my Bolens 436 Lawn Mower idle poorly?
    • J
      John KellerAug 23, 2025
      If your Bolens Lawn Mower idles poorly, it could be caused by: * A spark plug that is fouled, faulty, or has a gap that is too wide: Reset the gap or replace the spark plug. * A dirty air cleaner: Clean the air cleaner.

Summary

SECTION 1: IMPORTANT SAFE OPERATION PRACTICES

General Operation Safety

Comprehensive safety rules and guidelines for operating the lawn mower.

Slope Operation Safety

Specific precautions and techniques for safe mowing on inclines.

Children Safety

Precautions to keep children safe around the mower.

Service Safety

Safety precautions for servicing and maintaining the lawn mower.

SECTION 2: SLOPE GAUGE

SECTION 3: ASSEMBLING YOUR LAWN MOWER

SECTION 5: OPERATING YOUR LAWN MOWER

Starting and Stopping the Engine

Step-by-step guide for safely starting and stopping the mower.

Mowing, Bagging, and Mulching Techniques

Bolens 436 Specifications

General IconGeneral
BrandBolens
Model436
CategoryLawn Mower
LanguageEnglish

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