Page 2 - INTRODUCTION; RESPONSIBILITY OF THE OWNER; Read And Keep This Book For; PRODUCT INFORMATION; and the WARRANTIES. This information must be included to make; sure state laws and other laws are followed.
INTRODUCTION 2 MTF-031039C Congratulations on your purchase of a Frontier Snowthrower. It has been designed, engineered and manufactured to give youthe best possible dependability and performance. However, like all mechanical products, your machine will occasionally re-quire adjustment and maintenan...
Page 3 - RULES FOR SAFE OPERATION; IMPORTANT; Safe Operation Practices for Snowthrowers
RULES FOR SAFE OPERATION 3 MTF-031039C IMPORTANT WARNING: Always disconnect the spark plug wire and place it where it cannot make contact withspark plug to prevent accidental starting during: Preparation, Maintenance, or Storage of yoursnowthrower. Safe Operation Practices for Snowthrowers As Recomm...
Page 4 - Maintenance And Storage; Stop engine/motor before removing debris.
RULES FOR SAFE OPERATION 4 MTF-031039C 7. Stop the engine (motor) whenever you leave the operat- ing position, before unclogging the auger/impeller hous-ing or discharge chute and when making any repairs,adjustments, or inspections. 8. When cleaning, repairing, or inspecting, make certain the auger/...
Page 5 - TABLE OF CONTENTS
TABLE OF CONTENTS 5 MTF-031039C SAFETY DECALS 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . WARRANTY 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . OWNER’S INFORMATION 7 . . . . . . . . . . ....
Page 6 - SAFETY DECALS; Identifying Your Snowthrower
SAFETY DECALS 6 MTF-031039C WARNING: If safety decals are dam-aged or missing, replace immediately. Look for this symbol to indicate important safe-ty precautions. This symbol indicates: “Atten-tion! Become Alert! Your Safety Is At Risk.” Before operation of your snowthrower, read the safety de-cals...
Page 7 - OWNER’S INFORMATION; THREE YEAR LIMITED WARRANTY; FOR YOUR RECORDS
OWNER’S INFORMATION MTF-031039C 7 THREE YEAR LIMITED WARRANTY Murray warrants to the original purchaser of this Frontier Branded Snowthrower that this unit shall be free from defects inmaterial and workmanship under normal use and service for a period of Three (3) Year from the date of purchase; how...
Page 8 - ASSEMBLY; TOOLS REQUIRED FOR ASSEMBLY; HOW TO INSTALL THE CHUTE CRANK; Install the chute crank rod onto the shaft.
ASSEMBLY 8 MTF-031039C PARTS BAGS CONTENTS: 1 - 2.6 ounces 2-cycle oil 1 - Owner’s Manual TOOLS REQUIRED FOR ASSEMBLY 1-Knife 1-Pliers 2-Adjustable Wrenches WARNING: Always wear safety glasses or eyeshields while assembling the snowthrower. Figure 6 shows the snow thrower in the operating position. ...
Page 9 - HOW TO ASSEMBLE THE HANDLE
ASSEMBLY 9 MTF-031039C HOW TO ASSEMBLE THE HANDLE 1. Remove the packing material from the upper andlower handles. 2. Loosen the knobs on each side of the handle. (SeeFigure 3) 3. Raise the upper handle to the operating position (seeFigure 4). Hold the upper handle apart to preventscratching the lowe...
Page 10 - CHECKLIST
ASSEMBLY 10 MTF-031039C n CHECKLIST Before you operate your new snowthrower, to ensure thatyou receive the best performance and satisfaction fromthis quality product, please review the following checklist: n All assembly instructions have been completed. n The discharge chute rotates freely. n No re...
Page 11 - OPERATION; KNOW YOUR SNOWTHROWER; Auger Drive Lever - Starts and stops the auger.
OPERATION 11 MTF-031039C KNOW YOUR SNOWTHROWER READ THIS OWNER’S MANUAL AND SAFETY RULES BEFORE OPERATING YOUR SNOWTHROWER. Compare theillustrations with your SNOWTHROWER to familiarize yourself with the location of various controls and adjustments. Savethis manual for future reference. Figure 7 Rec...
Page 12 - SNOWTHROWER OPERATION; HOW TO THROW SNOW; To stop throwing snow, release the auger drive lever.; HOW TO MOVE FORWARD
OPERATION 12 MTF-031039C SNOWTHROWER OPERATION The most effective use of the snowthrower will be establishedby experience, taking into consideration the terrain, windconditions and building location which will determine thedirection of the discharge chute. NOTE: Do not discharge snow toward a buildi...
Page 13 - BEFORE STARTING THE ENGINE
OPERATION 13 MTF-031039C BEFORE STARTING THE ENGINE WARNING: Experiences indicates that alcoholblended fuels (called gasohol or those usingethanol or methanol) can attract moisture which leads to separation and formation of acids dur-ing storage. Acidic gas can damage the fuel systemof an engine whi...
Page 14 - electric start button.; WARM START
OPERATION 14 MTF-031039C BEFORE STARTING THE ENGINE 1. Before you service or start the engine, familiarize your-self with the snow thrower. Be sure you understand thefunction and location of all controls. 2. Be sure that all fasteners are tight. 3. Before starting the engine, make sure all controls ...
Page 15 - SNOW THROWING TIPS
OPERATION 15 MTF-031039C HOW TO REMOVE SNOW FROM THE AUGERHOUSING WARNING: Do not attempt to remove snow ordebris that may become lodged in augerhousing without taking the following precau- tions. 1. Release the auger drive lever. 2. Remove the ignition key. 3. Disconnect the spark plug wire. 4. Do ...
Page 16 - SERVICE RECOMMENDATIONS; PROCEDURE; AFTER EACH USE; LUBRICATION; Before Storage
SERVICE RECOMMENDATIONS 16 MTF-031039C SERVICE RECOMMENDATIONS PROCEDURE FIRST 2 HOUR BEFORE EACH USE OFTEN EVERY 5 HOURS EVERY 10 HOURS EVERY 25 HOURS BEGINNING EACH SEASON BEFORE STORAGE S N Tighten all screws and nuts √ √ √ N O W Lubricate Chute ControlFlange √ √ T H Lubricate Auger Bail √ √ HR O...
Page 17 - HOW TO LUBRICATE THE IDLER ARM; CAUTION: DO NOT get oil on the belt or pulleys.
SERVICE RECOMMENDATIONS 17 MTF-031039C HOW TO LUBRICATE THE IDLER ARM CAUTION: DO NOT get oil on the belt or pulleys. 1. Remove the screws from the belt cover. Remove the beltcover. 2. Apply a drop of oil to the idler arm at point B (seeFigure 12). 3. Pivot the auger bail up and down several times. ...
Page 18 - MAINTENANCE; HOW TO ADJUST THE BELT TENSION
MAINTENANCE 18 MTF-031039C HOW TO ADJUST THE BELT TENSION IMPORTANT: When you release the auger bail, the au-ger must stop rotating. If the auger does not stop, ad-just the belt tension as follows:1. Disconnect the spark plug wire from the spark plug. 2. Remove the belt cover. 3. Loosen the idler pu...
Page 19 - HOW TO REPLACE THE SCRAPER BLADE; HOW TO FREE THE AUGER CABLE; Thaw the conduit so the auger cable moves freely.
MAINTENANCE 19 MTF-031039C HOW TO REPLACE THE SCRAPER BLADE 1. Remove the fasteners that secure the scraper blade(Figure 15). 2. Install a new scraper blade and secure with thefasteners removed in step 1. Figure 15 Scraper Blade HOW TO FREE THE AUGER CABLE IMPORTANT: If the auger cable will not move...
Page 20 - it cannot make contact with the spark plug .
MAINTENANCE 20 MTF-031039C WARNING: To prevent accidental starting whenmaking any adjustments or repairs, always dis-connect the spark plug wire and place it where it cannot make contact with the spark plug . HOW TO ADJUST THE CHUTE CRANK If the chute crank will not rotate fully to the left or right...
Page 21 - HOW TO REPLACE THE DRIVE BELT; Remove the drive belt from the engine pulley. Be
MAINTENANCE 21 MTF-031039C HOW TO REPLACE THE DRIVE BELT The drive belt is of special construction and must be re-placed with original factory replacement belt available fromyour nearest authorized service center. 1. Remove the belt cover. See “How To Remove The Belt Cover”. 2. Remove the drive belt...
Page 22 - HOW TO REPLACE THE AUGER
MAINTENANCE 22 MTF-031039C HOW TO REPLACE THE AUGER 1. Remove the belt cover. See “How To Remove The Belt Cover”. 2. Remove the drive belt. See “How To Replace The Drive Belt”. 3. Remove the auger pulley from the auger shaft (threads are left hand; turn clockwise to remove). (SeeFigure 23). 4. To ke...
Page 23 - TO ADJUST THE CARBURETOR; STOP the engine. Wait for it to cool
MAINTENANCE 23 MTF-031039C TO ADJUST THE CARBURETOR The carburetor is not adjustable. Engine performanceshould not be affected at altitudes up to 7,000 feet. Foroperation at higher elevations, contact your nearest autho-rized service center. IMPORTANT: Never tamper with the engine governor,which is ...
Page 24 - STORAGE; OFF SEASON STORAGE
STORAGE 24 MTF-031039C OFF SEASON STORAGE WARNING: Never store the engine, with fuel inthe tank, indoors or in a poor ventilated enclo-sure where fuel fumes could reach an open flame, spark or pilot light as on a furnace, water heater,clothes dryer, etc.Handle gasoline carefully. It is highly flamma...
Page 25 - TROUBLE SHOOTING CHART; PROBLEM
TROUBLE SHOOTING CHART 25 MTF-031039C PROBLEM LOOK FOR REMEDY Difficult starting Defective spark plug. Replace defective spark plug. Engine runs erratically Blocked fuel line. Clean fuel line. Empty gas tank. Check fuel supply, Stale gasoline. Add fresh gasoline. Water or dirt in fuel system. Remove...
Page 26 - NOTES
Page 27 - REPLACEMENT PARTS; QUICK REFERENCE PART NUMBERS; * Part Numbers are subject to change without notice.
REPLACEMENT PARTS 27 MTF-031039C WE RECOMMEND JOHN DEERE/FRONTIER quality parts and lubricants available at your John Deere/Frontier dealer. PART NUMBERS MAY CHANGE. When you order replacement parts, use the part numbers listed below and on the fol-lowing pages. If a part number changes, your John D...
Page 28 - ENGINE ASSEMBLY
FRONTIER MODEL ST0521MFRONTIER MODEL ST0521E FACTORY MODEL 621501x16NAFACTORY MODEL 621500x16NA 28 MTF-031039C ENGINE ASSEMBLY 10 11 14 9 12 13 7 15 16 7 6 5 4 3 17 2 1 29 28 27 26 25 24 23 22 21 20 18 19
Page 29 - Description
FRONTIER MODEL ST0521MFRONTIER MODEL ST0521E FACTORY MODEL 621501x16NAFACTORY MODEL 621500x16NA 29 MTF-031039C ENGINE ASSEMBLY Key No. Part No. Description 1 MT760632MT760631 ENGINE, RECOIL STARTENGINE, ELECTRIC START 2 MT340381E701 AUGER HOUSING, 21” 3 MT313780 SCREW, .31-18x .5 4 MT301419E701 SUPP...
Page 30 - FRAME ASSEMBLY
FRONTIER MODEL ST0521MFRONTIER MODEL ST0521E FACTORY MODEL 621501x16NAFACTORY MODEL 621500x16NA 30 MTF-031039C FRAME ASSEMBLY 12 9 10 13 11 15 16 14 11 19 20 15 8 7 2 17 18 6 3 2 1 5 21 17 18 23 24 5 25 11 26 25 11 25 11 25 11 4 22
Page 32 - HANDLE ASSEMBLY
FRONTIER MODEL ST0521MFRONTIER MODEL ST0521E FACTORY MODEL 621501x16NAFACTORY MODEL 621500x16NA 32 MTF-031039C HANDLE ASSEMBLY 1 3 5 7 6 6 4 8 10 9 18 17 16 15 14 15 13 12 15 14 15 17 9 4 11 Key No. Part No. Description Key No. Part No. Description 1 MT307747 DRIVEBAR 3 MT309815 SCREW 10-24x1.00 4 M...
Page 33 - AUGER HOUSING
FRONTIER MODEL ST0521MFRONTIER MODEL ST0521E FACTORY MODEL 621501x16NAFACTORY MODEL 621500x16NA 33 MTF-031039C AUGER HOUSING 4 5 1 1 4 3 5 7 8 9 10 11 12 1 2 3 2 6 Key No. Part No. Description 1 MT579052 SCREW .25-20X.63 2 MT71067 WASHER, FLAT .281x.63x.065 3 MT54836 PLATE, BEARING RETAINER 4 MT5834...
Page 34 - DISCHARGE CHUTE
FRONTIER MODEL ST0521MFRONTIER MODEL ST0521E FACTORY MODEL 621501x16NAFACTORY MODEL 621500x16NA 34 MTF-031039C DISCHARGE CHUTE 15 16 17 18 19 20 21 16 23 22 5 6 13 14 24 25 25 26 24 27 28 29 5 6 7 7 6 8 9 11 12 10 1 2 3 4 3 2 1 30
Page 36 - TOP COVER ASSEMBLY
FRONTIER MODEL ST0521MFRONTIER MODEL ST0521E FACTORY MODEL 621501x16NAFACTORY MODEL 621500x16NA 36 MTF-031039C TOP COVER ASSEMBLY 10 9 8 18 17 16 15 14 13 12 19 20 24 23 20 20 19 1 2 3 4 5 6 7 5 25 22 26 11
Page 38 - WHEEL ASSEMBLY
FRONTIER MODEL ST0521MFRONTIER MODEL ST0521E FACTORY MODEL 621501x16NAFACTORY MODEL 621500x16NA 38 MTF-031039C WHEEL ASSEMBLY 7 1 2 3 2 4 6 5 2 3 4 1 2 Key No. Part No. Description 1 MT577598 RING, RET. E 2 MT71072 WASHER, FLAT .406x.81x.07 3 MT1501741 7.75”X1.75” WHEEL 4 MT309656 SPACER, SLEEVE 5 M...
Page 39 - CHUTE ROD ASSEMBLY
FRONTIER MODEL ST0521MFRONTIER MODEL ST0521E FACTORY MODEL 621501x16NAFACTORY MODEL 621500x16NA 39 MTF-031039C CHUTE ROD ASSEMBLY 8 9 7 6 5 2 1 10 3 4 Key No. Part No. Description 1 MT331532 PUSH NUT 2 MT307755 KNOB, GRIP 3 MT12452 WASHER, FLAT .400x.75x.02 4 MT71081 PIN, COTTER 5 MT307742 ROD, CHUT...
Page 40 - DECALS
FRONTIER MODEL ST0521MFRONTIER MODEL ST0521E FACTORY MODEL 621501x16NAFACTORY MODEL 621500x16NA 40 MTF-031039C DECALS 1 2 3 4 5 7 6 Key No. Part No. Description 1 MT48x5262 DECAL, DANGER AUGER 2 MT48x2034 DECAL, DANGER CHUTE 3 MT337524 DECAL, AUGER CONTROL 4 MT340709MT340708 DECAL, CONTROL PANEL ST0...
Page 41 - ELECTRIC STARTER
FRONTIER MODEL ST0521E FACTORY MODEL 621500x16NA 41 MTF-031039C ELECTRIC STARTER 6 1 2 5 3 4 Ref. Hardware (Bolts) Ref. Electric Starter Ref. Top Cover Ref. Engine Key No. Part No. Description 1 NA INCLUDED WITH ENGINE 2 MT271163 NUT, KEPS 8-32 3 MT414106 WASHER, FLAT 4 MT311633 SCREW 8-32x3.00 5 MT...
