Ariens 946101-ST622 User Manual

Page 1
String Trimmer
S
L
Owner/Operator Manual
Models
946101 - ST622
ENGLIS FRANÇAI ESPAÑO
Transfer model & serial number label from product registration here.
Coller l’autocollant du modèle et du numéro de série dans cet encadré.
Transferir aquí la etiqueta del modelo y número de serie del registro del producto.
04648400 10/05
Printed in USA
Page 2

TABLE OF CONTENTS

Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Assembly . . . . . . . . . . . . . . . . . . . . . . . . 7
Controls and Features . . . . . . . . . . . . . 8
Operation. . . . . . . . . . . . . . . . . . . . . . . . 9
Maintenance . . . . . . . . . . . . . . . . . . . . 11
Service and Adjustment s. . . . . . . . . . 12

INTRODUCTION

THE MANUAL
Before operation of unit, carefully and completely read your manuals. The contents will provide you with an understanding of safety instructions and controls during normal operation and maintenance.
All reference to left, right, front, or rear are given from operator standing in operation position and facing the direction of forward travel.
MODEL AND SERIAL NUMBERS
When ordering replacement parts or making service inquiries, know the Model and Serial numbers of your unit and engine.
Numbers are located on the product registration form in the unit literature package. They are printed on a serial number label, located on the frame of your unit.
Serial Number Label
• Record Engine Model and Serial numbers here.
OX0240
Troubleshooting . . . . . . . . . . . . . . . . . 16
Storage. . . . . . . . . . . . . . . . . . . . . . . . . 17
Service Par ts . . . . . . . . . . . . . . . . . . . . 17
Specifications . . . . . . . . . . . . . . . . . . . 17
Warranty. . . . . . . . . . . . . . . . . . . . . . . . 18
PRODUCT REGISTRATION
The Ariens dealer must register the product at the time of purchase. Registering the product will help the company process warranty claims or contact you with the latest service information. All claims meeting requirements during the limited warranty period will be honored, whether or not the product registration card is returned. Keep a proof of purchase if you do not register your unit.
Customer Note: If the Dealer does not register your product, please fill out, sign and return the product registration card to Ariens or go to www.ariens.com on the internet.
UNAUTHORIZED REPLACEMENT PARTS
Use only Ariens replacement parts. Replacing any part on this vehicle with anything other than an Ariens authorized replacement part may adversely affect the performance, durability, or safety of this unit and may void the warranty. Ariens disclaims liability for any claims or damages, whether warranty, property damage, personal injury or death arising out of the use of unauthorized replacement parts. To locate your nearest Ariens Dealer, go to www.ariens.com on the internet.
DELIVERY
Customer Note: If you have purchased this
product without complete assembly and instruction by your retailer, it is your responsibility to:
• Read and understand all assembly instructions in this manual. If you do not understand or have difficulty following the instructions, contact your nearest Ariens Dealer for assistance. To locate your nearest Ariens Dealer, go to www.ariens.com on the internet.
GB - 2
© Copyright 2005 Ariens Company
Page 3
WARNING: Improper assembly or adjustments can cause serious injury.
• Do not operate the unit unless all controls function as described in this manual.
Before attempting to operate your unit:
1. Make sure all assembly has been properly completed.
2. Understand all Safety Precautions provided in the manuals.
3. Review control functions and operation of the unit.

SAFETY

4. Review recommended lubrications, maintenance and adjustments.
5. Review Limited Warranty Policy.
6. Fill out Original Purchaser Registration Card and return the card to Ariens Company.
DISCLAIMER
Ariens reserves the right to discontinue, change, and improve its products at any time without notice or obligation to the purchaser.
The descriptions and specifications contained in this manual were in effect at printing. Equipment described within this manual may be optional. Some illustrations may not be applicable to your unit.
SAFETY ALERTS
Look for these symbols to point out important safety precautions. They mean:
Attention! Personal Safety Is Involved! Become Alert! Obey The Message!
The safety alert symbols above and signal words below are used on decals and in this manual.
Read and understand all safety messages.
DANGER: IMMINENTLY
HAZARDOUS SITUATION! If not avoided, WILL RESULT in death or serious injury.
WARNING: POTENTIALLY HAZARDOUS SITUATION! If not avoided, COULD RESULT in deat h or serious injury.
CAUTION: POTENTIALLY HAZARDOUS SITUATION! If not avoided, MAY RESULT in minor or moderate injury. It may also be used to alert against unsafe practices.
NOTATIONS
NOTE: General reference information for
proper operation and maintenance practices. IMPORTANT: Specific procedures or
information required to prevent damage to unit or attachment.
PRACTICES AND LAWS
Practice usual and customary safe working precautions, for the benefit of yourself and others. Understand and follow all safety messages. Be alert to unsafe conditions and the possibility of minor, moderate, or serious injury or death. Learn applicable rules and laws in your area.
REQUIRED OPERATOR TRAINING
If unit is to be used by someone other than original purchaser; loaned, rented or sold, ALW AYS provide this manual and any needed safety training before operation.
GB - 3
Page 4
SAFETY DECALS AND
1
0
0
0
LOCATIONS
ALWAYS replace missing or damaged Safety Decals. Refer to figure below for Safety Decal locations.
1
OX0114
1. DANGER! TO AVOID SERIOUS INJURY OR DEATH
Read the Operator’s Manual.
OL180
Always wear protective glasses, goggles or a face shield.
Always wear adequate
OL4740
OL437
OL0910
hearing protection. Do not operate when
children or others are around.
Remove objects that could be thrown by the cutter line.
Keep body parts away from rotating cutter line.
OL462
Go across slopes, not up and down.
OL461
• Keep safety devices (guards, shields, switches, etc.) in place and working.
• Look down and behind before and while moving backwards.
• Do not let debris accumulate. Debris could become a fire hazard or cause engine to overheat.
SAFETY RULES
If unit is to be used by someone other than original purchaser; loaned, rented or sold, ALW AYS provide this manual and any needed safety training before operation.
Read, understand and follow all safety practices in Owner/Operator Manual before beginning assembly. Failure to follow instructions could result in personal injury and/ or damage to unit.
ALWAYS disconnect wire from spark plug before assembly. Unintentional engine start up can cause death or serious injury.
Complete a walk around inspection of unit and work area to understand:
work area
your unit
all safety decals.
Clear work area of stones, sticks, wire and foreign objects which might be picked up and thrown. Tall grass can hide obstacles.
Know the work area. Stay alert for holes, rocks, rough terrain and hidden hazards.
Keep away from drop-offs, ditches, or embankments that could cause operator to lose footing or control of unit.
ALWAYS be aware of traffic when operating along streets or curbs.
Keep work area clear of all persons, children and pets.
Keep children out of the work area and under the watchful care of a responsible adult.
ALWAYS operate unit when there is good visibility and light.
GB - 4
Page 5
Do not operate trimmer in wet grass. ALWAYS be sure of your footing. Keep a firm
hold on handlebar. Walk, NEVER run. Whenever operator releases control on
handlebar, trimmer head must stop. Check this feature frequently. If feature fails to operate, disconnect spark plug wire and adjust or have it repaired before using unit.
Only trained adults may operate unit. Training includes actual operation.
NEVER operate after or during the use of medication, drugs or alcohol. Unit requires complete and unimpaired attention.
NEVER allow children to operate trimmer. ALWAYS keep hands and feet away from
rotating parts. Rotating parts can cut off body parts.
ALWAYS keep hands away from pinch points. Fumes from engine exhaust can cause death
or serious injury. DO NOT run engine in an enclosed area.
ALWAYS protect eyes, face, and body with adequate safety gear and protective clothes. Wear sturdy footwear, gloves and safety goggles or safety glasses with side shields while operating mower.
NEVER operate trimmer barefoot or when wearing open sandals or canvas shoes.
NEVER wear loose clothes, long hair or jewelry that may get caught in rotating parts.
Protect eyes, face and head from objects that may be thrown from unit.
ALWAYS stand clear of discharge when operating unit.
NEVER direct discharge toward bystanders. Operator is responsible for bystander safety. DO NOT touch hot parts. Allow parts to cool. Keep safety devices or guards in place and
functioning properly. NEVER modify or remove safety devices.
Read, understand, and follow all instructions in the manual and on the machine before starting. Understand:
How to operate all controls
The functions of all controls
How to STOP in an emergency. DO NOT attempt to start your engine until you know what the controls do and how they work.
DO NOT tilt trimmer when starting it. Keep feet away when starting engine. DO NOT operate trimmer unless trimmer
shield and trailing shield are installed. Objects may be picked up and thrown causing damage or personal injury.
NEVER use wire or wire-rope in place of the cutting line. It can break off and become a dangerous projectile. Use only flexible, non­metallic line recommended by Ariens.
ALWAYS keep trimmer head in contact with the ground while operating.
Take all possible precautions when leaving unit unattended.
ALW AYS shut off engine and disconnect spark plug wire to prevent accidental starting or unauthorized use.
Stop engine if anyone enters the work area. NEVER attempt to make any adjustments to
unit while engine is running (except where specifically recommended). Stop engine, disconnect spark plug wire and wait for all moving parts to stop before servicing.
DO NOT make cutting height adjustments while the engine is running.
If you strike an object, or if equipment vibrates abnormally, stop engine at once, wait for moving parts to stop and disconnect wire from spark plug. Repair any damage before restarting unit.
ALWAYS shut off engine, allow trimmer head to stop and disconnect spark plug wire before clearing clogs or cleaning unit.
DO NOT transport machine while engine is running.
To reduce fire hazard and overheating, keep equipment free of grass, leaves, debris or excessive lubricants.
Use extra care when approaching blind corners, shrubs, trees, or other objects which may obscure vision.
DO NOT trim at too fast a rate. DO NOT change engine governor setting or over-speed the engine.
Do not operate trimmer on gravel or on loose material such as sand. Stop trimmer when crossing gravel drives, walks, or roads to prevent damage or injury from thrown objects.
DO NOT pull trimmer backwards unless absolutely necessary. Look down and back, especially for small children, before and while moving backwards.
DO NOT operate on steep slopes. NEVER leave unit unattended on a slope.
Chock wheels if parking on a slope. Trim across the face of slopes, never up and
down. Be especially cautious when changing direction on slopes.
GB - 5
Page 6
This product is equipped with an internal combustion engine. DO NOT use on or near any unimproved, forest or brush covered land unless the exhaust system is equipped with a spark arrestor meeting applicable local, state or federal laws. A spark arrestor, if used, must be maintained in effective working order by the operator. See your Ariens Dealer or engine manufacturer’s service center.
Fuel is highly flammable and its vapors can explode. ONLY use approved fuel containers.
NO Smoking!
NO Sparks!
NO Flames!
Allow engine to cool before filling fuel
tank.
Never fill containers inside a vehicle or on a truck or trailer bed with a plastic liner. Always place containers on the ground away from your vehicle before filling.
When practical, remove gas-powered equipment from the truck or trailer and refuel it on the ground. If this is not possible, then refuel such equipment on a trailer with a portable container , rather than from a gasoline dispenser nozzle.
Keep the nozzle in contact with the rim of the fuel tank or container opening at all times until fueling is complete. Do not use a nozzle lock­open device.
Check fuel supply before starting engine. DO NOT fill gasoline tank indoors, when
engine is running, or while engine is hot. Allow engine to cool several minutes before
removing fuel cap. DO NOT overfill. Allow about 1/4" (6 mm) of
tank space for fuel expansion. Replace gasoline tank cap securely and clean
any spilled fuel before starting engine. If fuel is spilled on clothing, change clothing
immediately. NEVER store fuel inside where there is an
open flame, such as a water heater.
ALWAYS drain fuel outdoors away from ignition sources.
Avoid Electric Shock. DO NOT disconnect wire from spark plug while engine is running.
Accidental engine start up can cause death or serious injury. Except where specifically recommended, ALWAYS stop engine, wait for moving parts to stop, allow parts to cool and disconnect spark plug wire before inspecting, servicing, adjusting or repairing unit.
Keep unit free of grass, leaves, or other debris build-up.
Keep equipment in good condition. Maintain or replace safety and instruction
labels, as necessary. Follow engine manufacturer’s safety
instructions when servicing engine. Check all hardware at regular intervals,
especially trimmer head attachment bolts. Keep all hardware properly tightened.
Before tipping unit, remove fuel. DO NOT tip the trimmer up or over unless
specifically instructed to do so. Ensure all wheel blocks, jack stands and tie
downs will support unit during maintenance. Replace worn-out mufflers immediately.
Continued use could result in fire or explosion. Sharp edges can cut or amputate fingers or a
hand. Wrap blade or wear sturdy gloves to service.
Use only replacement parts designed for your unit. See your Ariens Dealer.
Allow engine to cool before storing in any enclosure.
ALWAYS clean unit before extended storage. See engine manual for proper storage.
DO NOT store unit inside a building with fuel in the fuel tank where any ignition sources are present.
Use only accessories which have been approved by Ariens and are properly installed.
Check attachments frequently and replace worn or damaged components with manufacturer’s recommended parts.
GB - 6
Page 7

ASSEMBLY

WARNING: AVOID INJURY. Read
and understand the entire Safety section before proceeding.
TOOLS REQUIRED
• Box knife to cut carton
TO REMOVE UNIT FROM CARTON
1. Cut off top of box.
2. Remove packing material.
3. Remove literature pack, safety glasses and bottle of oil from box.
4. Cut out back of box and pull the unit out.
5. Remove protective packaging materials from trimming head and around unit.
ASSEMBLY
3
6
2
4
5
Handleba r Assembly
1. Loosen handlebar wing knobs. Do not remove them.
2. Unfold handlebar to operating position.
NOTE: Adjust handlebar to a height comfortable for the operator. Be sure cable is clear of pinch points. Refer to Handlebars in
Service and Adjustments.
3. Tighten handlebar wing knobs to secure upper handlebar.
Engine Crankcase Oil
Fill engine crankcase with proper amount and viscosity of oil. Refer to Engine Manual for specific information.
CHECKLIST
Please complete the following checklist before proceeding:
• All assembly instructions have been completed.
• No remaining loose parts in carton.
• Handlebar is adjusted comfortably and tightened securely.
While learning how to use your unit, pay extra attention to the following important items:
• Trimming line is fastened securely in holder.
• Fuel tank is filled with proper fuel.
• Engine crankcase is filled with oil.
• Become familiar with all controls – their location and function. Operate them before you start the engine.
1
4
1. Lower Handle Bar
2. Upper Handle Bar
3. Carriage Bolt
OX0013
4. Wing Knobs
5. Bolt Holes
6. Control Bail
GB - 7
Page 8

CONTROLS AND FEATURES

5
10
7
6
3
12
4
11
8
9
OX0250
14
2
1
15
13
OX0245
1. Trimmer Head
2. Trimmer Line
3. Upper Handlebar
4. Lower Handlebar
5. Control Bail
6. Throttle Control Lever
7. Recoil Starter Handle
8. Handlebar Wing Knob
16
OX0255
9. Oil Dipstick and Cap
10.Fuel Tank and Cap
11.Debris Screen
12.Air Cleaner
13.Primer Bulb
14.Swivel Head Lock
15.Trimmer Shield
16.Trailing Shield
GB - 8
Page 9

OPERATION

CONTROLS AND FEATURES
See Controls and Features on page 8.
WARNING: AVOID INJURY. Read and understand the entire Safety section before proceeding.
Trimmer Head / Trimmer Lines
The trimmer head holds the trimmer line and provides trimming height adjustment. When mounted in the trimmer, the trimmer lines extend about 8 in. (20.3 cm) from the cutter disk.
Control Bail
• Squeeze the trimmer control bail against the handlebar to engage trimmer head.
• Release bail to disengage trimmer.
IMPORTANT: Check control bail function before each use. If control bail moves freely with no resistance before contacting handlebar, adjust or repair unit before operating. See Service and Adjustments.
Throttle Control Lever
The throttle control lever controls the
Fast Slow Stop
Recoil Starter Handle
The recoil starter handle is used to start the engine.
Primer Bulb
3 x
OX0040
Swivel Head Lock
The swivel head feature is designed to allow close trimming while walking parallel to fences or walls.
• Point the front of the unit to the left if trimming with the left side of the trimmer.
• Point the front of the unit to the right if trimming with the right side of the trimmer. To adjust, see Service and Adjustments.
speed of the engine. The settings are
OX0210
variable between fast and slow.
For a cold engine, push the primer bulb three times to add fuel for easier engine start. See Starting and Shut Off.
FILLING FUEL TANK
WARNING: EXPLOSIVE V APORS
and FLAMMABLE FUEL can result in serious injury or death. Handle fuel with care. ALWAYS use an approved fuel container.
No Smoking! No Lighted Materials! No Open Flame! Allow engine to cool before
maintenance. Never fill tank when engine is
running or is hot from operation. DO NOT overfill tank. Allow about 1/4" (6.35 mm ) of space at the top of the filler neck for fuel expansion. Wipe up any spills and allow vapors to dissipate before starting engine. Use approved (Red) gasoline container.
To add fuel to Fuel Tank:
1. Put unit in open or well-ventilated area.
2. Stop engine and allow to cool.
3. Clean Fuel Cap and surrounding area to prevent dust, dirt and debris from entering Fuel Tank.
4. Remove Cap.
IMPORTANT: DO NOT use gasohol or gasoline containing alcohol because alcohol will cause internal parts to deteriorate. See Engine Manual for correct type and grade of fuel.
5. Fill fuel tank. (See Specifications for tank capacity.)
6. Replace Fuel Cap and tighten.
7. ALWAYS clean up any spilled fuel.
T O STOP IN AN EMERGENCY
To stop in an emergency, release control bail. When all moving parts have stopped, push throttle control lever to stop.
GB - 9
Page 10
TO START AND SHUT OFF ENGINE
Pre-Start
1. Check engine oil level. See Engine Manual.
2. Check fuel level.
Starting the Engine
1. Push primer bulb 2 or 3 times for a cold engine.
2. Set throttle control to Fast.
3. Grasp starter handle and pull rope out slowly until it pulls harder. This is the compression stroke. Let rope rewind slowly. Then pull rope with rapid continuous full arm stroke to start engine. Allow rope to rewind slowly.
IMPORTANT: DO NOT let starter handle snap against handlebar.
4. Repeat until engine starts. (If engine does not start, refer to Troubleshooting.)
Stopping the Engine
1. Release control bail so that trimmer head stops rotation. Wait until rotating parts stop completely before leaving operator’s position.
2. Push throttle control lever to Stop.
3. If leaving unit unattended, disconnect spark plug wire to prevent start-up.
TO OPERATE THE TRIMMER
TO TRAVEL TO ANOTHER WORK AREA
When crossing driveways or bare areas, release the control bail to stop trimmer head rotation and push down slightly on the handlebar to lift the trimmer head off the ground. This prevents premature wear of the trimmer head.
TRIMMING TIPS
• Operating the trimmer in Fast throttle provides the best trimming performance.
• In heavy growth, walk slower.
• Do not push the trimmer into heavy growth too fast.
• Do not trim on extremely steep slopes. Do not trim on slopes when the ground is wet or slippery. If you do not feel comfortable on a slope, do not trim it.
• Keep the trimmer clear of dirt and grass build-up.
• Install a new trimmer line when line is worn to less than 4 inches (10.2 cm). See Service and Adjustments.
TO TRANSPORT UNIT
ALWAYS turn engine off when transporting on truck or trailer. Tie unit down securely. Do not tie down by linkages, guards, cables or other parts that may be damaged.
CAUTION: Before every use, clean grass and debris from foam debris screen and around muffler.
1. Start the engine.
2. Set throttle control to Fast.
3. Hold the control bail against the handlebar to engage the trimmer head.
4. When trimmer head is rotating at full speed, move unit forward to trim.
GB - 10
Page 11

MAINTENANCE

WARNING: AVOID INJURY. Read
and understand the entire Safety section before proceeding.

Maintenance Schedule

Service Performed Intervals (Hours)
Each
25 50
Use Check Fasteners • Check Trimmer Lines • Check Control Bail
Operation Check Engine Oil • Clean Debris Screen • Clean Unit • Check Air Cleaner •1 Check Spark Plug • Change Engine Oil •2 •1 Clean Engine Cooling Fins •1
1. More often under extremely dusty or dirty conditions.
2. Change engine oil after first 2 hours of use, then every 25 hours or every season, whichever comes first.
SERVICE POSITION
1. Remove the gas cap and place a piece of plastic (a plastic garbage bag works well) over the tank opening. Reinstall the cap. This keeps gasoline from spilling out the tank.
2. Set the unit swivel in the center position.
3. Loosen the two wing nuts on the lower handlebar.
4. Tip the unit up onto its back to rest on the lower handlebar. A 4" x 4" (10.2 x
10.2 cm) wood block under the swivel bracket helps steady the unit by tilting it farther back.
5. When service is complete, place unit in its normal operating position.
6. Align handlebars and tighten wing nuts.
7. Be sure to remove the plastic from the gas tank opening.
Wood Block
OX0260
CHECK FASTENERS
Make sure all hardware is tightened properly. Pay special attention to handlebar, guards, shields, and trimmer head mounting hardware.
CHECK TRIMMER LINES
Make sure trimmer line is securely fastened in holder. Replace trimmer line when it is worn to less than 4 inches (10.2 cm) . See Service and Adjustments for specific instructions.
CHECK CONTROL BAIL OPERATION
The trimmer head must disengage completely when the bail handle is released. Adjust bail travel if necessary. See Adjustments.
CHECK ENGINE OIL
See Engine Manual for specific information on checking engine oil.
CLEAN DEBRIS SCREEN
Remove all grass and debris from debris screen on top of engine. A clogged screen will cause the engine to overheat.
CLEAN UNIT
Clean unit thoroughly. Brush dirt and debris off with a brush or cloth. Apply paint or spray lubricant to exposed metal surfaces. Do not use abrasives, solvents, or harsh cleaners.
IMPORTANT: NEVER spray unit with water or store unit outdoors. Store trimmer in a cool, dry, protected location.
CHECK AIR CLEANER
See Engine Manual for specific information on checking and servicing the air cleaner.
GB - 11
Page 12
CHECK SPARK PLUG
0
See Engine Manual for specific information on checking, cleaning, and changing the spark plug.
CHANGE ENGINE OIL
Change the engine oil after the first 2 hours of use, then every 25 hours or every season, whichever comes first. Oil should be changed when engine is warm.
1. Disconnect spark plug wire.
2. Clean area around oil cap.
3. Tip the string trimmer on its right side.
CAUTION: Before tipping unit, remove enough fuel so no spillage will occur. A piece of plastic bag may be used to seal fuel tank when tipping unit. To seal, remove fuel tank cap, cover fuel tank opening with plastic, replace and tighten cap securely before attempting to tip unit. Be sure to remove plastic before operating unit.

SERVICE AND ADJUSTMENTS

WARNING: AVOID INJURY. Read
and understand the entire Safety section before proceeding.
REPLACING TRIMMER LINE
Replace the trimmer line when it extends less than 4 inches (10.2 cm) from cutter disk. For best results, use only genuine Ariens replacement trimmer line.
1. Stop the engine and wait for all moving parts to stop. Disconnect the spark plug wire and place it securely away from the spark plug.
2. Remove the worn trimmer line from the cutter disk.
3. Thread the two ends of the trimmer line up from the bottom, through the two holes in the cutter disk.
4. Cross the line and thread the ends of the line through the two holes on the side of the cutter disk.
4. Place a container for the oil under the oil cap.
5. Remove oil cap and let the oil drain. Tip the unit more to drain all the oil from the engine if necessary.
6. Place the unit upright.
7. Refill the engine with oil recommended in the Engine Manual.
8. Replace and tighten oil cap.
9. Clean up any spilled oil.
10.Reconnect the spark plug wire.
CLEAN ENGINE COOLING FINS
Remove grass, dirt and debris from engine cooling fins every 25 hours to prevent damage caused by overheating.
5. Make sure the ends of the line extend through the cutter disk at the same length. Uneven trimmer lines cause the trimmer head to be out of balance, which results in excessive vibration.
6. Pull trimmer line tight.
7. If necessary, cut the ends of the trimmer line to the same length.
HANDLEBAR HEIGHT ADJUSTMENT
1. Loosen and remove both wing knobs from handlebar.
2. Remove carriage bolts, taking care to support handlebar.
3. Set handlebar to desired height.
4. Line up holes in upper handlebar with holes in lower handlebar. Be sure to use the same holes on each side.
5. Reinstall carriage bolts and wing knobs. Tighten securely.
OX008
OX0063
GB - 12
Page 13
CUTTING HEIGHT ADJUSTMENT
The standard cutting height is adjustable from 1-3/16" to 4-3/8" (3 to 11.1 cm). To raise the cutting height, place more spacers (up to 4) below the cutter disk. Spacers not used under the cutter disk must be assembled above the cutter disk. For example, if you place two spacers under the cutter disk, the other two spacers must be in place above the cutter disk.
NOTE: There must always be at least one spacer between the cutter disk and the height guide.
1
2
3
4 5
6
7
OX0090
1. Raise the cutter head off the ground.
2. Loosen and remove capscrew, lock washer and washer.
3. Remove height guide and bottom spacer.
4. Remove cutter disk and any of the remaining spacers required to achieve the desired cutting height.
5. Reinstall the cutter disk.
6. Reinstall the spacers required to achieve the desired cutting height.
7. Reinstall height guide on the hex shaft.
NOTE: Be sure the hex shaft and the hex hole in the height guide are correctly aligned.
8. Reinstall washer, lock washer and capscrew. Tighten securely.
NOTE: The minimum cutting height may be lowered to 1-3/16" (3 cm) by using one spacer below the cutter disk and installing the cutter disk upside down on the hex shaft.
1. Hex Shaft
2. Spacers
3. Cutter Disk
4. Height Guide
5. Washer
6. Lock Washer
7. Cap Screw
2
1 spacer = 1-3/16"
(3 cm)
2 spacers = 2-3/4"
(7 cm)
3 spacers = 3-5/8"
(9.2 cm)
4 spacers = 4-3/8"
(11.1cm)
HEIGHT GUIDE REPLACEMENT
The height guide requires periodic replacement. When used on hard surfaces, such as concrete, it may need to be replaced more frequently. If height guide is damaged or worn, it must be replaced.
1. Raise the cutter head off the ground.
2. Loosen and remove capscrew, lock washer and washer.
3. Remove worn height guide.
4. Install new height guide.
5. Reinstall hardware and tighten securely.
SWIVEL HEAD ADJUSTMENT
1. Stop the engine and wait for all moving parts to stop. Disconnect the spark plug wire and place it securely away from the spark plug.
2. Loosen the wing knob on the bracket at the rear of the unit.
Wing Knob
3. Rotate the back of the unit in the opposite direction of the side you wish to cut with.
4. Tighten wing knob securely.
OX0070
GB - 13
Page 14
CONTROL BAIL TRAVEL ADJUSTMENT
Control Bail must disengage trimmer head as control is released. There should be a slight amount of slack in the control cable wire when bail is fully released. If the trimmer head does not disengage completely when the control bail is released, increase the amount of slack in the control cable wire as follows:
1. Loosen the bottom cable nut.
2. Push the cable conduit upward toward the control bail.
3. Tighten the upper cable nut onto the mounting bracket to lock the conduit in place.
4. Turn nuts against mount to lock in position.
3
5
1. Control Cable
2. Control Cable Wire
3. Control Bail
4
2
6
1
4. Handlebar
OX0120
5. Cable Nuts
6. Cable Conduit
DRIVE BELT REPLACEMENT
13
10
4
1
8
12 11
1. Six hex washer head screws
2. Trimmer shield
3. Four hex washer head screws
4. Trimmer frame
5. Jackshaft assembly
6. Jackshaft spacers
6
7
9
5
1
2
1
7. Jackshaft pulley belt fingers
8. V-belt
9. Jackshaft pulley
10.Engine sheave
11. Capscrew
12.Lock washer
13.Engine sheave belt fingers
3
OX0020
GB - 14
Page 15
6
4
1. Engine sheave belt fingers
2. Engine sheave
3. Idler
4. Idler belt finger
5. V-belt
6. Jackshaft pulley belt fingers
7. Jackshaft pulley
7
5
3
2
OX0100
To remov e the old belt:
1. Stop the engine and wait for all moving parts to stop. Disconnect the spark plug wire and place it securely away from the spark plug.
2. Place unit in service position (see Maintenance section).
1
3. Remove the six (6) hex washer head screws and the trimmer shield.
4. Remove the four (4) hex washer head screws on the top side of the frame. The jackshaft assembly, belt fingers and jackshaft spacers will now be loose.
5. Remove the v-belt from the jackshaft pulley.
6. Remove the capscrew and lock washer from the engine sheave.
7. Lower the engine sheave past the belt fingers and remove the belt.
To install the new belt:
1. Slide the new belt over the groove in the engine sheave and slide the sheave against the engine. Make sure the belt is in the groove and is inside the belt fingers.
2. Install the capscrew and lock washer. Tighten securely.
3. Slide the belt between the idler and belt finger on the idler bracket.
4. Install the four tapping screws in the holes in the frame, from the top side of the frame.
5. Install the four jackshaft spacers on the tapping screws.
6. Install the belt finger. Make sure the bent tabs are facing up and are to the sides and front of the unit.
7. Install the belt in the groove of the jackshaft pulley .
8. Attach the jackshaft assembly to the frame with the four tapping screws. Fasten securely.
9. Reinstall the trimmer shield with the six tapping screws.
CAUTION: Before tipping unit, remove enough fuel so no spillage will occur. A piece of plastic bag may be used to seal fuel tank when tipping unit. To seal, remove fuel tank cap, cover fuel tank opening with plastic, replace and tighten cap securely before attempting to tip unit. Be sure to remove plastic before operating unit.
GB - 15
Page 16

TROUBLESHOOTING

PROBLEM PROBABLE CAUSE CORRECTION Engine will
not start or runs poorly
Engine overheats
Poor trimming performance
Trimmer vibrates
1. Spark plug wire disconnected.
2. Engine not primed
3. Fuel tank empty.
4. Throttle control lever not in correct position.
5. Engine is flooded.
6. Defective or incorrectly gapped spark plug.
7. Stale or contaminated gasoline.
8. Engine cooling system overloaded with debris.
9. Dirty carburetor or fuel line.
10.Dirty air filter or precleaner.
11.Carburetor out of adjustment.
1. Engine cooling system overloaded with debris.
2. Carburetor out of adjustment.
1. Engine not set at Fast speed. 1. S et engine throttle to Fast
1. Cutter line lengths are too uneven.
2. Loose hardware.
1. Connect spark plug wire.
2. Prime engine.
3. Add fuel to the fuel tank.
4. See Engine Manual.
5. Wait several minutes before attempting to start.
6. Replace or regap spark plug.
7. Drain fuel tank and refill with fresh gasoline.
8. Clean debris screen and cooling fins.
9. Clean carburetor or fuel line. See Engine Manual.
10.Replace air filter or precleaner.
11.See Engine Manual or contact your dealer.
1. Clean engine screen and cooling fins.
2. See Engine Manual or contact your dealer.
position.
1. Trim or adjust cutter line to equal lengths. Replace if necessary.
2. Check all bolts and nuts, including engine mounting hardware, for tightness.
GB - 16
Page 17

STORAGE

WARNING: AVOID INJURY. Read
and understand the entire Safety section before proceeding.
If the trimmer is to be stored for more than 30 days, follow these steps to prepare your unit.
1. Run the engine until it stops from running out of gasoline. See Engine Manual for specific instructions on preparing the engine for storage.
2. Clean all dirt and debris from the trimmer. Refer to Maintenance for cleaning instructions.
3. Inspect unit for signs of wear, breakage or damage. Order any parts required and make necessary repairs to avoid delays when beginning use again.
4. Keep all nuts, bolts and screws properly tightened and know unit is in safe working condition.

SERVICE PARTS

Be sure to always use genuine Ariens parts to keep your String Trimmer running like new.
Part no. Qty Description 07236900 1 Drive Belt 04641800 1 Trimmer Line (Pkg of 6) 04641100 1 Height Guide 04645000 1 Long Life Height Guide

SPECIFICATIONS

Model Number 946101 Description ST622 Engine Tec u mseh
Engine Power - HP (KW)
Engine Operating Fast Idle Speed - Max. RPM
Engine Displacement
- cu. in. (cc) Fuel See Engine
Fuel Tank Capacity - qt (Liters)
Cutting Width - in (cm) 22 (55.88) Handlebars Max.
Extended Height - in (cm)
Minimum Folded Height
- in (cm) Length - in (cm) 57.88 (147.02) Minimum Folded
Length - in (cm) Width - in (cm) 22 (55.88) Weight - lbs (Kg) 83 (37.65) Cutter Head Speed -
Max. RPM Drive Belt 4L Section,
Wheel Size - in (cm) 14 (35.56) Replacement Line
Length - in. (cm) Diameter - in. (cm)
LV195EA-
361570D
6 (4.48)
3750
12.06 (197.6)
Manual for type
and grade
1.25 (1.18)
41.38 (105.11)
19.38 (49.23)
37.25 (94.62)
3650
Single “V”
Construction,
Raw Edge Kevlar
Cord
18 (46)
5/32 (0.40)
GB - 17
Page 18
Ariens Limited
Warranties
2-Year Limited Lawn and Garden
Consumer Warranty
Ariens Company (Ariens) warrants to the original purchaser that Ariens and Gravely brand consumer product s manufactured by Ariens Company will be free from defects in material and workmanship for a perio d of two (2) years after th e da te of purc h ase, and th at Arie ns will repair any defect in material o r workmanship, and repair or replace any defective part, subject to the conditions, limitations and exclusions se t forth herein. Such repair or replacement will be free of charge to the original purchaser (labor and parts), except as noted below.
The two-year duration of t his warrant y applies only if the product is put to ordinary, reasonable, and usual personal, fa mily, or household uses. If the product is put to any business, commercial, or industrial use such as, but not limited to, commercial landscaping, mowing or snow removal services, or golf course or park maintenance, or agricultural or farmstead use, then the duration of this warranty is ninety (90) days after the date of purchase, or one (1) year after the date of purchase if the product is labeled as a Professional/Commercial Product. The duration of thi s warran ty sha ll be nin ety (90) days after the date of purchase if any product is rented or leased.
2-Year Limited Lawn and Garden
Commercial Warranty
The Ariens Company (Ariens) warrants to the original purchaser that all Gravely Pro and ProMaster products manufactured by Ariens wil l be free from defects in material and workmanship for a period of two (2) year s after the date of purchase or 1000 hours of use, whichever comes first. An authorized Gravely dealer will re pa i r an y de f ec t in material or workmanship, and repair or replace any defective part, su bject to the conditions, limitations and exclusions set forth herein. Such repair or replacement will be fr ee of c h ar ge to the original purchaser (labor and parts), except as noted below.
The duration of this warranty shall be ninety (90) days after the date of purchase or 1000 hours of use, whichever comes first, if any product is rented or leased.
3-Year Limited Sno-Thro Warranty
Ariens Company (Ariens) warrants to the original purchaser that Sno-Thro products manufactu r ed by Ariens Com pan y w i ll be f r ee from defects in material and workmanship for a period of three (3) years after the date of purchase, and will repair any defect in material or workmanship, and repair or repl ace any defective part, subject to the conditions, limitations and exclusions set forth herein. Such repair or replacement will be free of charge to the orig inal p urchaser (labor and p arts), exc ept as noted below.
The three-year duration of this warranty applies only if the product is put to ordinary , reasonable, and usual pers onal, family, or household uses. If the product is put to any business, commercial, or industrial us e, then the duration of this warranty is ninety (90 ) days af ter the date of purchase, or one ( 1) year after the date of purchase if the product is labeled as a Professional/Commercial Product. The duration of this warranty shall be ninety (90) days after the date of purchase if any product is rented or leased.
DURA-CLEAN™ Auger Limited
Lifetime Warranty
Ariens Company (Ariens) warrants to the original purchaser that the rubber components of the DURA-CLEAN™ Auger manufactured by Ariens Company will be free from defects in material and workmanship and will not wear out for the life of the Sno-Thro, except as noted below.
Ariens Company will provide for the replacement of any of the rubber compon ents of the DURA-CLEAN™ Auger found upon examination by the Ariens Company to be defective or worn out. Replacements will be supplied free of charge. Labor is not included after two (2) years from the date of purchase of the Sno-Thro.
The lifetime limited warranty shall apply if the product is put to ordinary, reasonable, and usual personal household use. If the product is put to any business, commercial, industri al, rental, or leased use, the warranty shall be against defects in material and workmanship for nine ty (90) days following the date of purchase.
Ariens Company • 655 W. Ryan St, P.O. Box 157 • Brillion, WI 54110-0157• (920) 756-2141 • www.ariens.com
ALW2-62905
Page 19
Exceptions, Limitations, Exclusions
These warranties are subject to the following conditions, limitat ions , and exclusions:
To obtain warranty service, the following conditions must be met:
• The purchaser must perform the maintenance and minor adjustments explained in the owner’s manual.
• The purchaser must promptly not i fy Ariens Company or an authorized Ariens service representative of the need for warranty service.
• The purchaser must transport the product to and from the place of warranty service.
• Warranty service must be performed by a respective Ariens or Gravely authorized service representativ e.
• To find an Ariens or Gravely authorized service representa tive, contact Ariens at:
655 W. Ryan St, P.O. Box 157
Brillion, WI 54110-0157
(920) 756 - 2141 www.ariens.com
This warranty is subject to the following limitations:
• Genuine Ariens or Gravely brand service parts and accessories not purchased with the product covered by th is warranty, but which are later purchased and us ed with that product, are warranted to be free from defects in material and workmanship for a period of ninety (90) days after date of purchase, and Ariens Company will repair or replace any such part or accessory free of charge, except for labor, during that period.
• B atter ies are warra nt ed on ly fo r a period of twelve (12) months aft er date of purchase, on a prorated basis. For t he fir st ninet y (90) days of the warranty period, a defective battery will be replaced free of charge. If the applicable warranty period is more than 90 days, Ariens Company will cover the prorated cost of any defective battery, for up to twelve (12) months af ter the date of purchase.
Ariens may from time to time change the design of its products. Nothi ng contained in this warranty shall be construed as obligating Ariens to incorporate such design changes into previously manufactured products, nor shall such changes be construed as an admission that previous designs were defective.
www.gravely.com
LIMITATION OF REMEDY AND DAMAGES
Ariens Company’s liabilit y under this wa rranty , and under any implied warran ty that may exist , is limited to repair of any defect in workmanship, and repair or replacement of any defective part. Ariens Company shall not be liable for incid ental, special, or consequential damages (including lost profits). Some states do not allow the exclusion of incidental or consequential damages, so the above limitat ion or exclusion may not apply to you.
This warranty gives you specific legal rights, and you may also have other rights which vary
from state to state.
The following items are excluded from this
warranty:
• Engines and enty and are not covered by this warranty.
• Hydro-Gear transmissions and/or Hydro-Gear drive component s are covered only by the Hydro-Gear warranty and are not covered by this warranty.
• Parts that are not genuine Ariens or Gravely brand service parts are not covered by this w ar r a nt y.
• Except as specifically warranted, normal maintenance, services, and normal replacement items, such as sp ark plugs, oil, oil filters, air filters, mufflers, belt s, tires , shoes, runners, scraper blades, shear bolts, mower blades, mower vanes, headlights, light bulbs, knives, etc. are not covered by this w ar r a nt y exc e p t as noted below.
• Muf flers , belts , and tires on consumer lawn and garden products are warranted to the original purchaser for two years.
• Friction discs, idlers, cables, and el ectrical components on Sno-Thros put to usual personal household use are warra nted to the original purchaser for two years.
• Any def ect which is the result of misuse, alteration, improper assembly, improper adjustment, neglect, or accident is not covered by this w ar r a nt y.
This warranty applies only to products purchased in the United S t ates (inc luding Puer to Rico) and Canada. In all other cou ntries, cont act place of purchase for warranty information.
DISCLAIMER OF FURTHER WARRANTY
Ariens Company makes no warrant y, express or implied, other than what is expres sly made in this warranty. If the law of your state provides that an implied warranty of merchant ability, or an implied warranty of fitness for p articular pu rpose, or any other implied warranty, applies to Ariens Company, then any such implied warranty is limited to the duration of this warranty. Some states do not allow limitat ions on how long an implied warranty lasts, so the above limitation may not apply to you.
Ariens Company • 655 W. Ryan St, P.O. Box 157 • Brillion, WI 54110-0157• (920) 756-2141 • www.ariens.com
ALW2-62905
Page 20
Ariens Company 655 West Ryan Street P.O. Box 157 Brillion, WI 54110-0157 920-756-2141 Fax 920-756-2407 www.ariens.com
WARNING
The engine exhaust from this product
contains chemicals known to the State
of California to cause cancer, birth
defects or other reproductive harm.
Loading...