Maxim MBC190H Owner's Manual
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Maxim MBC190H Owner's Manual

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MBC190H
Owner's Manual
MMBC190HA
Place serial number tag here
800-621-2789
MBC190H Rev A
Page 1

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Paul
June 28, 2025

how to adjust travel speed? my unit is barely crawling in forward and even slower in reverse.

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Summary of Contents for Maxim MBC190H

  • Page 1 MBC190H Owner’s Manual MMBC190HA Place serial number tag here 800-621-2789 MBC190H Rev A Page 1...

  • Page 2: Table Of Contents

    7.1 ... Drive operation and Operator Presence Levers ....................26 7.2 ... Operator Presence Levers ............................26 7.3 ... Blade Engagement ................................27 7.4 ... Transporting – pushing Brush Cutter without engine running/power ..........27 7.5 ... Parking Brake ................................... 27 800-621-2789 MBC190H Rev A Page 2...
  • Page 3 9.8 ... Engine Oil – 1.2 quart, (38.4 oz) ..........................34 9.9 ... Muffler ....................................34 9.10 . Spark Plug ................................... 35 Tire Care ..................................35 10.1 . Maintenance Schedule ..............................35 WARRANTY ................................36 11.1 . Warranty/Product Registration ..........................36 800-621-2789 MBC190H Rev A Page 3...
  • Page 4 In the state of California, a spark arrester is required by law (section 4442 of the California public resources code). Other states may have similar laws. Federal laws apply on federal lands. See your authorized service center for a spark arrester. 800-621-2789 MBC190H Rev A Page 4...

  • Page 5: Introduction

    MBC190H 1 INTRODUCTION Maxim Brush Cutters feature heavy gauge steel, double sided sharpened blade, and ruggedly built Hydro transaxle w/Enhanced Traction Control with easy-to-use intuitive controls. For additional durability, a Self-Adjusting Manual Clutch with an extra heavy-duty frame. It is this simple, yet sturdy design that makes Maxim Brush Cutters low maintenance and easy to use.
  • Page 6 WARNING: You can be killed or seriously injured if you do not follow instructions. ⚠ WARNING WARNING INDICATED A HAZARD WHICH, IF NOT AVOIDED, COULD RESULT IN DEATH OR SERIOUS INJURY AND/OR PROPERTY DAMAGE 800-621-2789 MBC190H Rev A Page 6...
  • Page 7 Failure to follow instructions could result in serious injury or death. Operate the machine according to the safety instructions outlined here and inserted throughout the text. Anyone who uses this machine must read the instructions and be familiar with the controls. 800-621-2789 MBC190H Rev A Page 7...

  • Page 8: Operation References/Terminology

    Brush mower and facing the direction the unit will operate while in use. 1.6 Control and Adjustment Locations Familiarize yourself with the location of various controls and adjustments located on the unit. 800-621-2789 MBC190H Rev A Page 8...

  • Page 9: Model Identification

    Brush Cutter. 1.8 Further Assistance Your dealer and all of us at Maxim want you to be pleased with your Brush Cutter. Should you require further assistance or have questions regarding your Brush Cutter, please contact your local dealer where you purchased your Brush Cutter.

  • Page 10: Safety

    Regularly inspect the machine. Make sure parts are not bent, damaged or loose. • Temperature of muffler and nearby areas may exceed 150° F (65° C). Allow muffler and engine areas to cool before touching. 800-621-2789 MBC190H Rev A Page 10...

  • Page 11: Product-Specific Safety Rules

    SERIOUS INJURY OR DEATH MAY OCCUR IF ENGINE IS MODIFIED OR ALTERED WHEN WORKING ON OR REPLACING PARTS FOR THE ENGINE OR PRODUCT YOU MUST SHUT OFF ENGINE BY PUSHING DOWN THE THROTTLE LEVER LOCATED ON THE ENGINE TO THE POSITION 800-621-2789 MBC190H Rev A Page 11...
  • Page 12 Do not smoke while using engine or around fuel. • Never drain fuel from engine in an enclosed area. • Do not store engine with fuel in fuel tank indoors. Fuel and fuel vapors are highly explosive. 800-621-2789 MBC190H Rev A Page 12...
  • Page 13 Before and while moving backwards, look behind and down for small children. • Never allow children to operate the machine. • Use extra care when approaching blind corners, shrubs, trees, or other objects that may obscure vision. 800-621-2789 MBC190H Rev A Page 13...

  • Page 14: Safety Decals

    Please review these decals now, and if you have any questions regarding its meaning or how to comply with these instructions, reread the complete safety instruction text in this manual, or contact your local dealer. 800-621-2789 MBC190H Rev A Page 14...

  • Page 15: Training

    3. Keep the area of operation clear of all persons, particularly small children, and pets. 4. Always stay alert. Watch what you are doing and use common sense. Do not operate unit when fatigued. 5. Understand the use of all Brush Cutter controls. 800-621-2789 MBC190H Rev A Page 15...

  • Page 16: Preparation

    10. Before cleaning, repairing, or inspecting, shut off the engine and make certain all moving parts have stopped. Disconnect the spark plug wire and keep the wire away from the plug to prevent accidental starting. 800-621-2789 MBC190H Rev A Page 16...

  • Page 17: Storage

    6. Touch up all rusted or chipped paint surfaces, sand lightly before painting. 7. If possible, store your unit indoors and once sufficiently cooled, cover it to give protection from the elements. 800-621-2789 MBC190H Rev A Page 17...

  • Page 18: Parts Breakdown

    MBC190H 3 PARTS BREAKDOWN 3.1 Breakdown 800-621-2789 MBC190H Rev A Page 18...
  • Page 19 1110235.MAX Connecting rod, Transaxle 1110113.MAX Serrated Flange Nut 3/8-16 1110236.MAX Control Rod Pivot Bracket 1110266.MAX carriage bolt, 1/4-20 x 3/4 1110237.MAX Shoulder Bolt, 3/8 x 3 3/4" 1110267.MAX 5/16-18 x 2 1/4 flange Bolt 800-621-2789 MBC190H Rev A Page 19...
  • Page 20 Bolt, 7/16-20 x 3 1/2 1110274.MAX HH Bolt, 5/16-18 x 1 1/2 1110283.MAX Lug Nut - 1/2" 1110275.MAX Flange Bolt 3/8-16 x 3/4 1110095.Max Hairpin Cotter 1/4" 1110276.MAX Nut, 1/4-20 Reversable Lock ZUMBC190H Decal Sheet 800-621-2789 MBC190H Rev A Page 20...

  • Page 21: General Information

    MBC190H 3.2 General Information Engine Honda GXV390, 389cc Hydro transaxle w/Enhanced Traction Control Transmission V-Belt Blade Drive Manual clutch (self-Adjusting) Engagement 4.80/4.00 – 8 Pneumatic Bar Lug Tire Size Variable, max. 4 mph Ground Speed 26" Cutting Width Dual Sided, Reversible...
  • Page 22 MBC190H 20195 South Diamond Lake Road, STE 100 Rogers, MN 55374 800.621-2789...

  • Page 23: Final Set-Up

    MBC190H 4.1 Final Set-up Engine Oil: • The engine of your unit has been shipped, from the factory, without engine oil. You MUST fill the engine to its proper level, see page 34. • With engine level, clean area around oil fill tube and remove plug.
  • Page 24 MBC190H • With engine level, oil should be at the upper level of the Oil dipstick. For oil specifications and capacity see your Honda engine manual shipped with unit. • Fill engine with oil and reinstall engine oil cap and tighten.

  • Page 25: Operating Controls

    MBC190H 5 OPERATING CONTROLS ⚠ CAUTION Keep Blade in the “DISENGAGED” position when starting engine. 5.1 To Start Engine When starting the engine for the first time or if engine has run out of fuel it will take extra pulls of the recoil starter to move fuel from the tank to the engine.

  • Page 26: Machine Identification Components

    MBC190H 6 MACHINE IDENTIFICATION COMPONENTS 7 OPERATION 7.1 Drive operation and Operator Presence Levers 1. With hands on handlebar, gripping the Operator Presence Levers/Micro safety switch tabs, unit can be operated in forward/reverse by twisting handle. 2. Twist handlebar control forward for Forward drive, twist control backward for Reverse drive.

  • Page 27: Blade Engagement

    MBC190H 7.3 Blade Engagement 1. While in operator’s zone with one hand on handle holding minimum of one presence lever down, increase engine throttle to 3/4 or more. 2. Lift blade engagement lever up and towards the right to lock in.

  • Page 28: Transporting - Pushing Brush Cutter Manually Without Engine Running/Power

    MBC190H 8 Transporting – pushing Brush Cutter manually without engine running/power 8.1 Transporting – Free Wheel 1. Pull Transmission engagement lever out to disconnect powertrain and to operate manually. 2. Push Transmission engagement lever in to reconnect powertrain and to be Engine driven.

  • Page 29: Mower Blade

    MBC190H 9.1 Mower Blade 1. Make certain that engine is cool, and the spark plug wire is disconnected to prevent accidental starting. 2. Check condition of blade being certain it is not damaged and is sharp. 3. If blade needs to be removed: a.
  • Page 30 MBC190H 2. Loosen only, 4 bolts holding Engine Mounting plate. 3. Remove bolts: a. 4 holding the Front belt cover b. 2 holding Rear cover 4. Remove Front belt cover will help lighting, seeing components and accessibility. 5. Removing small rear panel will help lighting, seeing components and accessibility.

  • Page 31: Mower Blade Belt

    MBC190H 9. Slide Engine mounting plate towards the rear of the mower, to tighten Transmission Belt. Pull the Engine plate to the rear while tightening the four mounting bolts. 10. Remount small panel and hardware 11. Resecure Belt tension by placing the back side of the Blade belt behind the Idler pulley as noted in step 6.
  • Page 32 MBC190H 4. Through the Rear cover opening, lower the Anti rotation bracket by removing the center bolt and the right rear engine mounting bolt. It is NOT necessary to remove adjuster bolt from the Clutch to the Anti rotation bracket.

  • Page 33: Mower Blade Belt Tension

    MBC190H 9.4 Mower Blade Belt tension 1. The tension of the Blade drive belt, between two pulleys should be adjusted to, with a ten-pound pull, have a deflection of ½” 9.5 Cleaning your Brush Cutter IMPORTANT: If the engine has been running, allow it to cool for at least half an hour before washing.

  • Page 34: Engine Oil - 1.2 Quart, (38.4 Oz)

    MBC190H Engine Oil – 1.2 quart, (38.4 oz) Use only high-quality detergent oil related with API service classification SG, SF. Select the oil’s SAE viscosity grade according to your expected temperature. Use the Oil dipstick and check engine oil level before each use, fill to the upper level of the Oil dipstick as indicated below.

  • Page 35: Spark Plug

    MBC190H 9.10 Spark Plug Replace spark plug at the beginning of each season or after every 100 hours of use, whichever comes first. Spark plug gap setting is to .028-0.031” / 0.7-0.8 mm 10 Tire Care • Check that lug nuts are tight •...

  • Page 36: Warranty

    MBC190H 11 WARRANTY 11.1 Warranty/Product Registration Please register your product immediately after purchase. You can do that by visiting our website at www.maximmfg.com and complete our online product registration. Or complete the following warranty/production registration form on the next page and return...
  • Page 37 MBC190H Or Fax completed form to 763-428-4821 20195 South Diamond Lake Road, STE 100 Rogers, MN 55374 800.621-2789...
  • Page 38 MBC190H 20195 South Diamond Lake Road, STE 100 Rogers, MN 55374 800.621-2789...
  • Page 39 MBC190H (This page intentionally left blank) 20195 South Diamond Lake Road, STE 100 Rogers, MN 55374 800.621-2789...
  • Page 40 MBC190H Maxim A Brand of Great Northern Equipment Distributing, Inc. 20195 South Diamond Lake Road Suite 100 Rogers, MN 55374 www.maximmfg.com 800-621-2789 20195 South Diamond Lake Road, STE 100 Rogers, MN 55374 800.621-2789...

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