Husqvarna YTH22V46 Support Question
Husqvarna YTH22V46 Support Question
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Question posted by Anonymous-141391 on August 8th, 2014
Why Is My Mower Revving Up And Down Then Dies When It's In Low Idol??
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Current Answers
Answer #1: Posted by sabrie on August 8th, 2014 9:08 PM
sabrie
Member since:
May 23rd, 2013 Points: 3,306,778
Member since:
May 23rd, 2013 Points: 3,306,778
That reving is what we (shade tree mechanics) used to call lopeing...what it is is a fuel/air mixture problem...when the carb is supplying enough gas (or oo much) it revs up and when that gas burns off the revs go down.
Look on the carburater...then should be two small adjustment screws on it (this is where i'm not sure of the solution...I don't know if new carbs come with both adjustment screws)...one of the screws will adjust the idle...the other will be the air/fuel mixture adjustment. The only way you'll know is by turning them in very slowly and see what happens.
There's a rule of thumb adjustment for these screws...turn them in (clockwise) until they just snug up DO NOT force tighten them...then back them out 1 and 1/4 to 1 1/2 turns...do this one screw at a time...the idle adjustment screw will be no problem...adjust it to a decent idle speed
the air/fuel mixture one is the important one...after doing the initial adjustment (in till snug...out 1 1/2 turns)...slowly turn it in till the engine starts to slow doen...then back it out till it starts to (sort of) cough /misfire then turn the screw back in HALF way between the two points.
You can also try getting a can of carb cleaner from an auto parts store and just follow instructions on the can...it just may do the trick
Look on the carburater...then should be two small adjustment screws on it (this is where i'm not sure of the solution...I don't know if new carbs come with both adjustment screws)...one of the screws will adjust the idle...the other will be the air/fuel mixture adjustment. The only way you'll know is by turning them in very slowly and see what happens.
There's a rule of thumb adjustment for these screws...turn them in (clockwise) until they just snug up DO NOT force tighten them...then back them out 1 and 1/4 to 1 1/2 turns...do this one screw at a time...the idle adjustment screw will be no problem...adjust it to a decent idle speed
the air/fuel mixture one is the important one...after doing the initial adjustment (in till snug...out 1 1/2 turns)...slowly turn it in till the engine starts to slow doen...then back it out till it starts to (sort of) cough /misfire then turn the screw back in HALF way between the two points.
You can also try getting a can of carb cleaner from an auto parts store and just follow instructions on the can...it just may do the trick
www.techboss.co.za
Related Husqvarna YTH22V46 Manual Pages
Owners Manual - Page 2
...
Slopes are recommended by putting your tractor. they can hide obstacles. • Choose a low ground speed so that are a major factor related to loss of California to cool before ...Do not mow in gear when going down slopes, not across. • Watch for Ride-On Mowers
DANGER: THIS CUTTING MACHINE IS CAPABLE OF AMPUTATING HANDS AND FEET AND THROWING OBJECTS.
WARNING
Engine ...
Owners Manual - Page 3
...container. • Never remove gas cap or add fuel with manufacturer's recommended parts, when necessary. • Mower blades are often attracted to the presence of the towed equipment may suddenly appear in a closed area. •...slopes (15° Max), not across.
• Choose a low ground speed so that children will not have been given rides in reverse unless absolutely necessary.
Owners Manual - Page 6
...• Roll tractor forward off the skid.
CHECK DECK LEVELNESS
For best cutting results, mower housing should be sure freewheel control is in "transmission engaged" position (see that the brake... comfortably and tightened securely.
✓ All tires are shown for leveling).
✓ Check mower and drive belts. CHECK FOR PROPER POSITION OF ALL BELTS
See the figures that all controls...
Owners Manual - Page 7
..., indicates a situation that could result in death, serious injury and/or property damage. REVERSE
NEUTRAL
HIGH
LOW
CHOKE
FAST
SLOW
IGNITION SWITCH
ENGINE OFF REVERSE OPERATION
SYSTEM (ROS)
ENGINE ON
ENGINE START
PARKING BRAKE
MOWER HEIGHT
MOWER LIFT
LIGHTS ON
FUEL BATTERY
REVERSE
FORWARD
CRUISE CONTROL
CLUTCH/BRAKE PEDAL
15
15
ATTACHMENT
ATTACHMENT...
Owners Manual - Page 8
... LIGHT SWITCH - Used for braking the tractor and starting and stopping the engine.
(G) REVERSE OPERATION SYSTEM (ROS) "ON" POSITION - Disengages transmission for the engine and mower.
(Q) 12-VOLT POWER PORT - D B
P
Z
H
G
E
F
A M
Q C
K J
L
Fig. 3
Our tractors conform to set forward movement of various controls and adjustments. Turns the headlights on and off .
(P) SERVICE REMINDER...
Owners Manual - Page 10
... hold while lifting your equipment on a flat level surface. • Adjust mower to
begin movement. For healthier and better looking lawns, mow often and after moderate growth. • For best cutting performance, ... conditions, height of grass and types of grass being mowed. • The average lawn should only be cut relatively high; You must remain fully and centrally positioned in most...
Owners Manual - Page 13
... tractor seat, start engine. Repeat this procedure three (3) times.
5. See "TO LEVEL MOWER HOUSING" in a more even distribution of cut area to slow position. Regulate ground speed ...then backwards for best mowing performance.
Sitting in the tractor seat, start by selecting a low enough gear to full forward position, hold for normal operation. Have the cut desired....
Owners Manual - Page 17
...attached.
2.
Turn the water off .
Drive the tractor to a level, clear spot on your lawn, near enough to a water spigot for your tractor unless the engine and transmission are covered to...to the STOP position to using a garden hose or pressure washer to clean your garden hose to carburetor, replacement is secure.
5. We do not recommend using mower again.
• Plug any spilled ...
Owners Manual - Page 20
... an 11/16" or adjustable wrench, loosen jam nut A
several turns to the PSI shown on level ground or driveway. Protect your lawn appears
unevenly cut, determine which side of mower is cutting lower. • With a 3/4" or adjustable wrench, turn lift link adjustment nut (A) to the left to 1/2" lower than the rear...
Owners Manual - Page 25
... fuel.
8. Dirty engine air screen/fins.
11. Tighten loose part(s). Engine valves out of mower housing.
4. Hard to start
CAUSE 1. Loose or damaged wiring. 7. Recharge or replace battery...
6. Clean/replace muffler.
13. Replace spark plug. 3.
Faulty solenoid or starter.
1. Low oil level/dirty oil.
5. Check oil level/change spark plug.
7. Empty fuel tank...
Owners Manual - Page 26
... dies when tractor is "OFF". 2. Turn ignition key to slower speed.
3. Bent blade mandrel. 5. Clean around mandrels.
1. Replace blade mandrel. Clean underside of mower housing...presence control system. Check wiring, switches and connections. Level mower deck. 3. Replace mower drive belt. 3. Low/uneven tire air pressure.
5. Reinstall blades sharp edge down.
10. ...
Instruction Manual - Page 2
...Avoid discharging material against a wall or obstruction. These operators should evaluate their ability to operate the riding mower safely enough to prevent accidental starting when setting up, transporting, adjusting or making repairs, always disconnect spark... can hide obstacles. • Choose a low ground speed so that operators, age 60 years and above, are a major factor related to occur....
Instruction Manual - Page 3
... while backing, look behind and down slopes (15° Max), not across.
• Choose a low ground speed so that may fall off if a child enters the area.
• Before and while ...• Never remove gas cap or add fuel with manufacturer's recommended parts, when necessary. • Mower blades are often attracted to the presence of grass, leaves, or other appliances. • Never fill...
Instruction Manual - Page 7
... indicates a hazard which, if not avoided, could result in serious injury or death.
REVERSE
NEUTRAL
HIGH
LOW
CHOKE
FAST
SLOW
IGNITION SWITCH
ENGINE OFF REVERSE OPERATION
SYSTEM (ROS)
ENGINE ON
ENGINE START
PARKING BRAKE
MOWER HEIGHT
MOWER LIFT
LIGHTS ON FUEL BATTERY
REVERSE
FORWARD
CRUISE CONTROL
CLUTCH/BRAKE PEDAL
15
15
ATTACHMENT
ATTACHMENT...
Instruction Manual - Page 10
... grass being mowed. • The average lawn should be used while mowing or transporting on forward drive pedal. Install gauge wheel in desired cutting height slot. Any attempt by engaging attachment clutch
control. Make the first cut (see "TO ADJUST MOWER
CUTTING HEIGHT") • Start mower blades by the operator to desired speed...
Instruction Manual - Page 13
...five feet then backwards for normal operation.
Make first cut area to give best performance of mower should be purged before mowing.
• Always operate engine at full throttle when mowing to... of clippings and more uniform cutting.
• When mowing large areas, start by selecting a low enough gear to the right of drive wheels. the second to the right so that the transmission...
Instruction Manual - Page 17
...clear spot on its surface as it could expose you or others to
We do not recommend using mower again. IMPORTANT: Make certain the tractor's discharge chute is secure. 5. While sitting in the Fast... port on your lawn, near enough to a water spigot for your garden hose to using a garden hose or pressure
thrown objects from contact with the blade. DASH, FENDER AND MOWER NOT SHOWN
10....
Instruction Manual - Page 20
... gloves and/or wrap blade with heavy cloth.
• Raise mower to lower the front mower.
B
A
• Raise mower to its highest position. If tires are over or under inflated, it may affect the appearance of your lawn appears
unevenly cut, determine which side of mower is 1/8" to clear adjustment nut B. • With a 3/4" or adjustable...
Instruction Manual - Page 25
...center/department. Bent blade mandrel. 3. Engine not "CHOKED" properly. 3. Engine valves out of mower housing.
4.
Bad spark plug. 3. Loose or damaged wiring. 7. Replace fuel filter. 5. See....
1. Spark plug wire loose.
10. Weak or dead battery. 4. Clean battery terminals. 6. Low oil level/dirty oil.
5. Clean/replace air filter. 6. Loose or damaged wiring. 4. Faulty spark...
Instruction Manual - Page 26
...motion drive belt. 4.
Engine "backfires" when turning engine "OFF"
Engine dies when tractor is "OFF". 2.
Mower deck not level. 3. Frozen idler pulley. 4. Poor grass discharge
Headlight...blade. Tighten blade bolt. 2. Replace mower drive belt. 3. Replace idler pulley. 4. Wet grass.
3. Level mower deck.
5. Low/uneven tire air pressure.
5. Replace ...
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