Page 2 - INTRODUCTION; Registration of the warranty is; RESPONSIBILITY OF THE OWNER; Read And Keep This Book For; PRODUCT INFORMATION; This information includes the; INSTRUCTION BOOKS; and the; WARRANTIES; . This information must be included to make
INTRODUCTION 2 MTF-0410107C 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 maintena...
Page 3 - RULES FOR SAFE OPERATION; IMPORTANT; Safe Operation Practices for Snowthrowers
RULES FOR SAFE OPERATION 3 MTF-0410107C IMPORTANT WARNING: Always disconnect the spark plug wire and place it where it cannot make contact with spark plug to prevent accidental starting during: Preparation, Maintenance, or Storage of your snowthrower. Safe Operation Practices for Snowthrowers As Rec...
Page 4 - Maintenance And Storage
RULES FOR SAFE OPERATION 4 MTF-0410107C 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-0410107C SAFETY DECALS 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . WARRANTY 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . OWNER’S INFORMATION 7 . . . . . . . . . . ...
Page 6 - SAFETY DECALS; Look for this symbol to indicate important safe-; Identifying Your Snowthrower
SAFETY DECALS 6 MTF-0410107C 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-...
Page 7 - OWNER’S INFORMATION; THREE YEAR LIMITED WARRANTY; FOR YOUR RECORDS
OWNER’S INFORMATION MTF-0410107C 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; ho...
Page 8 - ASSEMBLY; TOOLS REQUIRED FOR ASSEMBLY
ASSEMBLY 8 MTF-0410107C PARTS BAGS CONTENTS: 1 - 2.6 ounces 2-cycle oil1 - Owner’s Manual TOOLS REQUIRED FOR ASSEMBLY 1-Knife1-Pliers2-Adjustable Wrenches WARNING: Always wear safety glasses or eye shields while assembling the snowthrower. Figure 6 shows the snow thrower in the operating position. R...
Page 9 - HOW TO ASSEMBLE THE HANDLE
ASSEMBLY 9 MTF-0410107C HOW TO ASSEMBLE THE HANDLE 1. Remove the packing material from the upper and lower handles. 2. Loosen the knobs on each side of the handle. (See Figure 3) 3. Raise the upper handle to the operating position (see Figure 4). Hold the upper handle apart to prevent scratching the...
Page 10 - CHECKLIST
ASSEMBLY 10 MTF-0410107C n CHECKLIST Before you operate your new snowthrower, to ensure that you receive the best performance and satisfaction from this quality product, please review the following checklist: n All assembly instructions have been completed. n The discharge chute rotates freely. n No...
Page 11 - OPERATION; KNOW YOUR SNOWTHROWER; The engine operating controls and their functions are as
OPERATION 11 MTF-0410107C KNOW YOUR SNOWTHROWER READ THIS OWNER’S MANUAL AND SAFETY RULES BEFORE OPERATING YOUR SNOWTHROWER. Compare the illustrations with your SNOWTHROWER to familiarize yourself with the location of various controls and adjustments. Save this manual for future reference. Figure 7 ...
Page 12 - SNOWTHROWER OPERATION; HOW TO THROW SNOW
OPERATION 12 MTF-0410107C SNOWTHROWER OPERATION The most effective use of the snowthrower will be established by experience, taking into consideration the terrain, wind conditions and building location which will determine the direction of the discharge chute. NOTE: Do not discharge snow toward a bu...
Page 13 - BEFORE STARTING THE ENGINE
OPERATION 13 MTF-0410107C BEFORE STARTING THE ENGINE WARNING: Experiences indicates that alcohol blended fuels (called gasohol or those using ethanol or methanol) can attract moisture which leads to separation and formation of acids dur- ing storage. Acidic gas can damage the fuel system of an engin...
Page 14 - HOW TO START A COLD ENGINE
OPERATION 14 MTF-0410107C BEFORE STARTING THE ENGINE 1. Before you service or start the engine, familiarize your- self with the snow thrower. Be sure you understand the function and location of all controls. 2. Be sure that all fasteners are tight. 3. Before starting the engine, make sure all contro...
Page 16 - SERVICE RECOMMENDATIONS; PROCEDURE; AFTER EACH USE
SERVICE RECOMMENDATIONS 16 MTF-0410107C 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 Control Flange √ √ T H Lubricate Auger Bail √ √ HR...
Page 17 - HOW TO LUBRICATE THE IDLER ARM; CAUTION: DO NOT get oil on the belt or pulleys.; idler arm
SERVICE RECOMMENDATIONS 17 MTF-0410107C 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 belt cover. 2. Apply a drop of oil to the idler arm at point B (see Figure 12). 3. Pivot the auger bail up and down several time...
Page 18 - MAINTENANCE; HOW TO ADJUST THE BELT TENSION
MAINTENANCE 18 MTF-0410107C 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 ...
Page 19 - HOW TO REPLACE THE SCRAPER BLADE; HOW TO FREE THE AUGER CABLE
MAINTENANCE 19 MTF-0410107C 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 the fasteners removed in step 1. Figure 15 Scraper Blade HOW TO FREE THE AUGER CABLE IMPORTANT: If the auger cable will not m...
Page 23 - TO ADJUST THE CARBURETOR
MAINTENANCE 23 MTF-0410107C TO ADJUST THE CARBURETOR The carburetor is not adjustable. Engine performance should not be affected at altitudes up to 7,000 feet. For operation at higher elevations, contact your nearest autho- rized service center. IMPORTANT: Never tamper with the engine governor, whic...
Page 24 - STORAGE; OFF SEASON STORAGE
STORAGE 24 MTF-0410107C OFF SEASON STORAGE WARNING: Never store the engine, with fuel in the 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 f...
Page 25 - TROUBLE SHOOTING CHART; PROBLEM
TROUBLE SHOOTING CHART 25 MTF-0410107C 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. Remov...
Page 26 - NOTES
Page 27 - REPLACEMENT PARTS
REPLACEMENT PARTS 27 MTF-0410107C WE RECOMMEND JOHN DEERE/FRONTIER quality parts and lubricants available at your John Deere/Frontierdealer. PART NUMBERS MAY CHANGE. When you order re- placement parts, use the part numbers listed below and onthe following pages. If a part number changes, your JohnDe...
Page 28 - ENGINE ASSEMBLY
FRONTIER MODEL ST0521M FRONTIER MODEL ST0521E FACTORY MODEL 621501x16NB FACTORY MODEL 621500x16NB 28 MTF-0410107C 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 ST0521M FRONTIER MODEL ST0521E FACTORY MODEL 621501x16NB FACTORY MODEL 621500x16NB 29 MTF-0410107C ENGINE ASSEMBLY Key No. Part No. Description 1 _ _ _ _ _ _ _ ENGINE 2 MT340381E701 AUGER HOUSING, 21” 3 MT313780 SCREW, .31-18x .5 4 MT301419E701 SUPPORT, FRAME 5 MT301415E701 SUPPORT, E...
Page 30 - FRAME ASSEMBLY
FRONTIER MODEL ST0521M FRONTIER MODEL ST0521E FACTORY MODEL 621501x16NB FACTORY MODEL 621500x16NB 30 MTF-0410107C FRAME ASSEMBLY 12 9 10 13 11 15 16 14 11 20 15 8 7 2 17 6 3 2 1 5 21 17 23 24 5 25 11 26 11 11 11 4 22 24 24 24
Page 32 - HANDLE ASSEMBLY
FRONTIER MODEL ST0521M FRONTIER MODEL ST0521E FACTORY MODEL 621501x16NB FACTORY MODEL 621500x16NB 32 MTF-0410107C 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 19 Key No. Part No. Description Key No. Part No. Description 1 MT307747 DRIVEBAR 3 MT309815 SCREW 10-24x1....
Page 33 - AUGER HOUSING
FRONTIER MODEL ST0521M FRONTIER MODEL ST0521E FACTORY MODEL 621501x16NB FACTORY MODEL 621500x16NB 33 MTF-0410107C AUGER HOUSING 4 5 1 1 4 13 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 MT...
Page 34 - DISCHARGE CHUTE
FRONTIER MODEL ST0521M FRONTIER MODEL ST0521E FACTORY MODEL 621501x16NB FACTORY MODEL 621500x16NB 34 MTF-0410107C 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 ST0521M FRONTIER MODEL ST0521E FACTORY MODEL 621501x16NB FACTORY MODEL 621500x16NB 36 MTF-0410107C TOP COVER ASSEMBLY 10 9 8 18 17 16 15 14 13 12 19 20 24 23 20 20 4 1 2 3 4 5 6 7 5 25 22 26 11 27 21
Page 38 - WHEEL ASSEMBLY
FRONTIER MODEL ST0521M FRONTIER MODEL ST0521E FACTORY MODEL 621501x16NB FACTORY MODEL 621500x16NB 38 MTF-0410107C WHEEL ASSEMBLY 7 1 2 3 2 4 6 5 2 3 4 1 2 8 8 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, SLE...
Page 39 - CHUTE ROD ASSEMBLY
FRONTIER MODEL ST0521M FRONTIER MODEL ST0521E FACTORY MODEL 621501x16NB FACTORY MODEL 621500x16NB 39 MTF-0410107C CHUTE ROD ASSEMBLY 9 10 7 6 5 2 1 8 3 4 4 3 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 RO...
Page 40 - DECALS
FRONTIER MODEL ST0521M FRONTIER MODEL ST0521E FACTORY MODEL 621501x16NB FACTORY MODEL 621500x16NB 40 MTF-0410107C DECALS 1 2 3 4 5 7 6 Key No. Part No. Description 1 MT48x5262 DECAL, DANGER AUGER 2 MT48x5642 DECAL, DANGER CHUTE 3 MT337524 DECAL, AUGER CONTROL 4 MT340709 MT340708 DECAL, CONTROL PANEL...
Page 41 - ELECTRIC STARTER
FRONTIER MODEL ST0521E FACTORY MODEL 621500x16NB 41 MTF-0410107C 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 M...
