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EN – 64

EFI TROUBLE CODE IDENTIFICATION

CHECKING TROUBLE CODES

The blinking red LED light on the ECU displays trouble
codes. Its sequence indicates a particular system
malfunction by blinking as many times as the first digit of a
trouble code, pausing, and then blinking as many times as
the second digit of a trouble code.
For example, the red LED will indicate low fuel pressure
(27) by blinking twice, pausing, and blinking seven more
times.

IMPORTANT:

More than one trouble code may be present.

IMPORTANT:

DO NOT mistake a constant red (non-

blinking) LED for a trouble code. Red LED will illuminate
when the ignition switch is turned to the “ON” position and
the fuel pump is pressurizing, which may last for up to 30
seconds.
A blinking green LED indicates the ECU processor is
operating correctly, even if a sub-component of the ECU
(e.g.: barometric pressure sensor) has failed. A constant
illuminated green (not blinking) LED indicates the ECU may
be experiencing a low battery voltage condition or need
replacement. See

EFI Trouble Code Identification

page 64.
Visually inspect the red LED to verify trouble codes.
To read trouble codes more easily, place a mirror under the
ECU to view LED reflection.

IMPORTANT:

If no trouble code is present, but engine is

not operating normally, See

Diagnostics for Non-Trouble

Trouble

Code

Problem

Correction

16

Low Battery Voltage Check charging

system and battery.

21

Barometer Pressure
Sensor Failure

Replace ECU.

22

Engine Temperature
Sensor Failure

Check engine
temperature sensor
and wiring.

23

EFI System Cannot
Sustain Desired
RPM

Disconnect,
reconnect and
inspect wire harness
connections from the
engine to the ECU.

27

Low Fuel Pressure

Check fuel level.

28

High Battery Voltage Check charging

systems.

Green LED
is Constant
(not
blinking)

Low Battery Voltage
or Faulty ECU

Check battery
voltage. If voltage is
7.2 V DC – 8.4 V DC,
replace ECU.

If battery measures
lower than 7.2 V DC,
charge battery.

LEDs are
dim.

Low Battery Voltage Check battery voltage

and charging system.
Battery should
measure 7.2 V DC –
8.4 V DC.

No LEDs
Illuminated

No Battery Voltage

Check battery voltage
and charging system.
Battery should
measure 7.2 V DC –
8.4 V DC.

Figure 152

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Содержание 921045

Страница 1: ... Deluxe 24 SN 100000 921046 Deluxe 28 SN 100000 921047 Deluxe 30 SN 100000 921048 Deluxe 28 SHO SN 100000 921049 Deluxe 30 EFI SN 100000 921323 Deluxe 24 CE SN 100000 921324 Deluxe 28 CE SN 100000 E10 Deluxe Series Sno Thro Service Manual ...

Страница 2: ...ngine 32 Install Engine 33 TRACTION DRIVE CABLE REPLACEMENT 36 Remove Traction Drive Clutch Cable 36 Install Traction Drive Clutch Cable 37 DUAL HANDLE INTERLOCK CAM REPLACEMENT 38 Remove Interlock Cam 38 Install Interlock Cams 39 AXLE BUSHING REPLACEMENT 41 Remove Left Axle Bushing 41 Install Left Axle Bushing 41 Remove Right Axle Bushing 42 Install Right Axle Bushing 43 FLANGE BUSHING REPLACEMEN...

Страница 3: ...Co warranty applies solely to defects in AriensCo materials and or factory workmanship AriensCo disclaims liability for any claims or damages whether warranty property damage personal injury or death arising from using unauthorized replacement parts Before operating or servicing the unit carefully and completely read the Operator s Manual and engine manual provided with the unit at time of purchas...

Страница 4: ...f this unit If you loan rent or sell this product to others provide them with all manuals If you have any questions please call our customer support line at 920 756 4688 or contact us at www ariensco com Do not use this equipment if after reading the Operator s Manual and the on board decals you have any questions about the safe use of this product SAFETY ALERT SYMBOL SIGNAL WORDS The safety alert...

Страница 5: ...perating Keep children out of work area and under watchful care of a responsible adult 08000519B 080000945 Figure 1 3 2 1 Stop engine remove key and read manual before making any repairs or adjustments Read Operator s Manual Wear appropriate hearing protection 2 DANGER Danger ROTATING PARTS Only use clean out tool to clear blockages NEVER use your hands High speed auger impeller rotates below disc...

Страница 6: ...ng engine or hot engine Fill fuel tank outdoors with extreme care Never fill fuel tank indoors 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 e...

Страница 7: ...forest covered or brush covered land unless exhaust system is equipped with a spark arrester meeting applicable local state or federal laws A spark arrester if used must be maintained in effective working order by operator Never operate the snow thrower without good visibility or light Always be sure of your footing and keep a firm hold on the handles Walk never run Never operate unit after or dur...

Страница 8: ...the edge of a cliff or ditch or if an edge caves in Fuel DO NOT run engine in an enclosed area Always provide good ventilation Fumes from engine exhaust can cause injury or death Fuel is highly flammable and its vapors are explosive Handle with care Use only an approved gasoline container with an appropriately sized dispensing spout No smoking no sparks no flames Always allow engine to cool before...

Страница 9: ...store unit in service position SEPARATE HOUSING FROM FRAME Remove Auger Housing IMPORTANT Save all hardware for reinstallation 1 Stop engine remove key and wait for moving parts to stop and for hot parts to cool 2 Disconnect spark plug wire 3 Remove hardware retaining chute gear cover to chute pedestal and remove cover 4 Remove spring clip from chute rotation rod and remove rod from chute gears Se...

Страница 10: ...d hairpin so parts are not misplaced 8 Remove chute deflector cable from J clamp on engine mount See Figure 5 See Figure 6 9 Fully loosen tapping screw securing left side of belt cover to frame Tapping screw stays attached to belt cover 10 Loosen but DO NOT remove tapping screw securing right side of belt cover to frame and remove belt cover Figure 4 1 Cable Anchor 2 Deflector Arm 3 Deflector Brac...

Страница 11: ... 13 Position support such as a trash can under handlebars so tractor frame remains upright when separated from auger housing 14 Chock or block wheels to prevent tractor frame movement See Figure 10 15 Remove hardware securing auger housing to frame 16 Lift auger housing rear slightly to disengage from mount rod and separate from unit WARNING AVOID INJURY Attachment sheave edges are sharp Wear thic...

Страница 12: ...ure and adjust if necessary Refer to Operator s Manual for specification 6 Torque hex bolts installed in step 4 to 33 8 N m 70 1 N m 24 9 lb ft 51 7 lb ft 7 Loosen skid shoe hardware and adjust skid shoes Refer to Operator s Manual for adjustment procedure See Figure 12 8 Reinstall attachment drive belts onto attachment sheave To assist belt installation slowly pull recoil starter handle while gen...

Страница 13: ...til opposite end clears chute gears 13 Insert chute rotation rod into chute gear and secure with spring clip 14 Reinstall deflector cable anchor into deflector bracket 15 Remove sleeve bushing and hairpin from deflector arm and reinstall cable eyelet onto deflector arm pin Reinstall sleeve bushing and hairpin See Figure 14 16 Reconnect spark plug wire 17 Adjust chute lock cable and deflector cable...

Страница 14: ...TACHMENT DRIVE BELT REPLACEMENT Remove Attachment Drive Belts IMPORTANT Save all hardware for reinstallation 1 Stop engine remove key and wait for all moving parts to stop and for hot parts to cool 2 Disconnect spark plug wire 3 Remove auger housing See Separate Housing From Frame on page 7 4 Remove attachment drive belts from attachment drive pulley See Figure 16 Install Attachment Drive Belts 1 ...

Страница 15: ...ter handle while gently guiding attachment belts off engine sheave See Figure 17 To assist belt removal slowly pull recoil starter handle while gently guiding belts off of attachment sheave 5 Loosen traction drive clutch cable See Figure 18 See Figure 19 6 Disconnect idler spring from traction idler arm and remove spring 7 Back out stop bolt far enough to allow swing gate to clear bolt It is not n...

Страница 16: ...ion and thread stop bolt fully back into tractor frame 3 Reconnect traction idler spring onto tractor frame and traction idler arm 4 Reinstall auger housing to tractor frame See Reinstall Auger Housing on page 10 5 Adjust traction drive clutch Refer to Operator s Manual for adjustment procedure 6 Reconnect spark plug wire 7 Check all adjustments after first use Figure 20 Figure 21 1 Traction Sheav...

Страница 17: ...t brake spring from frame See Figure 22 See Figure 23 5 Disconnect torsion spring from attachment idler arm 6 Remove tapping screws retaining attachment idler arm to hub and remove idler assembly Remove Traction Drive Idler Assembly IMPORTANT Save all hardware for reinstallation 1 Stop engine remove key and wait for all moving parts to stop and for hot parts to cool 2 Disconnect spark plug wire 3 ...

Страница 18: ...y See Figure 26 1 Reinstall traction drive idler assembly and torsion spring onto idler pivot rod 2 Reinstall attachment idler arm hub onto idler pivot rod See Figure 27 3 Align attachment arm idler hub with hole through pivot rod and reinstall roll pin 4 Reinstall idler spring onto traction drive idler arm and ensure traction drive belt is aligned in all pulleys 5 Reinstall attachment drive idler...

Страница 19: ...rm IMPORTANT Ensure attachment idler arm has tension 3 Reinstall attachment brake spring onto frame See Figure 29 4 Reinstall auger housing See Reinstall Auger Housing on page 10 5 Adjust attachment drive clutch Refer to Operator s Manual for adjustment procedure 6 Reconnect spark plug wire IMPORTANT Check all adjustments after first use Figure 28 1 Torsion Spring 1 Figure 29 ...

Страница 20: ...nal hex bolt and top locking flange nut but DO NOT overtighten IMPORTANT Brake arm MUST rotate freely after hardware has been tightened 2 Using a flathead screwdriver or similar pry bar reinstall extension spring hook onto attachment brake arm See Figures 31 and 32 3 Engage and disengage attachment clutch to verify brake roller on attachment idler does not interfere with brake pad IMPORTANT Ensure...

Страница 21: ...Disc IMPORTANT Save all hardware for reinstallation 1 Stop engine remove key and wait for all moving parts to stop and for hot parts to cool 2 Disconnect spark plug wire 3 Place unit in service position and remove bottom cover See Service Position on page 7 and Bottom Cover Removal on page 12 See Figure 34 4 Remove hairpin securing adjustment pin to shift arm 5 Remove adjustment pin from shift arm...

Страница 22: ...t side of frame and remove bearing See Figure 35 8 Remove two spring clips from hex shaft See Figure 36 9 Remove hex shaft from pinion sprocket and friction disc assembly and remove friction disc assembly See Figure 37 Figure 35 Figure 36 Figure 37 ...

Страница 23: ...o frame with three tapping screws 5 Reinstall spring clips into hex shaft 6 Reinstall adjustment pin onto shift arm and secure with hairpin 7 Reinstall bottom cover and secure with two tapping screws and four hex bolts 8 Reinstall wheels onto axle and secure with snap clips 9 Return unit to operating position 10 Fill fuel tank and reconnect spark plug wire 11 Adjust speed selector lever Refer to O...

Страница 24: ... shaft Install Bearing 1 Install bearing onto hex shaft end 2 Install bearing flange over bearing and secure to frame with three tapping screws SWING GATE REPLACEMENT Remove Swing Gate NOTICE Save all hardware for reinstallation 1 Stop engine remove key and wait for all moving parts to stop and for hot parts to cool 2 Disconnect spark plug wire from engine 3 Under control panel remove hairpin wash...

Страница 25: ...g from swing gate See Figure 44 8 Place unit in service position See Service Position on page 7 9 Remove bottom cover See Bottom Cover Removal on page 12 10 Remove snap clip from right side axle end and remove right wheel and axle key Take care to not lose axle key See Figure 45 11 Remove hairpin and flat steel washer retaining swing gate pivot pin See Figure 46 Figure 43 Figure 44 1 Traction Driv...

Страница 26: ...mbly 1 Position swing gate assembly inside frame 2 Reinstall traction drive belt on traction drive pulley 3 Reinstall pivot rod through swing gate and secure in tractor frame with flat steel washer and hairpin See Figure 49 WARNING AVOID INJURY Wear thick gloves traction drive pulley and engine sheave edges are sharp Figure 47 Figure 48 WARNING AVOID INJURY Wear thick gloves traction drive pulley ...

Страница 27: ...r pin and retain with washer and hairpin See Figure 42 12 Adjust traction drive clutch Refer to Operator s Manual for adjustment procedure 13 Reinstall belt cover 14 Fill fuel tank and reconnect spark plug wire IMPORTANT Check all adjustments after first use AUGER REPLACEMENT Remove Auger IMPORTANT Save all hardware for reinstallation 1 Stop engine remove key and wait for all moving parts to stop ...

Страница 28: ...are retaining gearcase support brackets to auger housing See Figure 53 9 Remove auger assembly from housing See Figure 54 10 Remove shear bolt from auger shaft See Figure 55 11 Remove support bushing and flange bushing from auger end See Figure 56 Figure 52 Figure 53 Figure 54 Figure 55 Figure 56 ...

Страница 29: ...re 59 2 Install auger onto auger shaft with auger kickers facing gearcase IMPORTANT Ensure auger helix direction matches the original auger orientation 3 Apply grease to grease zerk 4 Align holes in auger with holes in auger shaft and reinstall shear bolt Torque bolt to 7 9 N m 16 5 N m 5 8 lb ft 12 2 lb ft If torque wrench is unavailable tighten until bolts no longer spin freely DO NOT overtighte...

Страница 30: ...ti seize compound to impeller shaft end 10 Reinstall spacer bushing onto impeller shaft 11 Secure attachment drive pulley to impeller shaft with locking washer and hex bolt Torque to 7 9 N m 16 5 N m 5 8 lb ft 12 2 lb ft 12 Reinstall housing to frame See Reinstall Auger Housing on page 10 13 Reconnect spark plug wire 14 Adjust attachment clutch Refer to operator s manual for instructions IMPORTANT...

Страница 31: ... cool 2 Disconnect spark plug wire 3 Remove augers See Remove Auger on page 25 See Figure 64 4 Remove hardware retaining support brackets to gearcase and remove brackets 5 Remove washers from auger shaft See Figure 65 6 Remove roll pins retaining impeller to impeller shaft and remove impeller IMPORTANT Use of penetrating oil or heat may be necessary to remove impeller Figure 64 Figure 65 ...

Страница 32: ... moving parts to stop and for hot parts to cool 2 Disconnect spark plug wire 3 Remove auger housing See Separate Housing From Frame on page 7 See Figure 67 4 Remove hardware securing attachment drive pulley to impeller shaft 5 Remove pulley and spacer from impeller shaft 6 Loosen but DO NOT remove bearing plate hardware 7 Remove hardware securing auger bushings to auger housing See Figure 52 8 Rem...

Страница 33: ... screws See Figure 69 See Figure 70 5 Tighten three hex nuts securing bearing plate to housing 6 Apply a thin layer of anti seize compound to impeller shaft end 7 Reinstall spacer bushing onto impeller shaft 8 Reinstall attachment drive pulley onto impeller shaft and secure with locking washer and hex bolt Torque to 7 9 N m 16 5 N m 5 8 lb ft 12 2 lb ft 9 Reinstall auger housing to frame See Reins...

Страница 34: ...ove belt finger See Figure 7 6 Disconnect idler spring from traction drive idler arm and remove spring See Figure 71 See Figure 72 7 Remove engine mounting hardware 8 Remove J clamp and chute deflector cable from engine mount 9 Using a suitable lifting device or help from a capable assistant lift engine and tilt forward slightly to relieve tension from belts Remove belts from engine sheaves 10 Low...

Страница 35: ...m a capable assistant lift engine and lower onto bolts in frame 2 Position belts over crankshaft 3 Reinstall J clamp to left rear engine mounting position See Figure 72 4 Secure engine mount to frame with four locking nuts Torque to 11 9 N m 17 9 N m 8 8 lb ft 13 2 lb ft Figure 73 Type 1 Type 2 WARNING AVOID INJURY Engine is heavy NEVER lift engine without a suitable lifting device or capable assi...

Страница 36: ...must be reinstalled in the orientation shown in Figure 74 and Figure 75 See Figure 76 8 Reinstall idler spring to traction idler arm 9 Secure attachment sheave to crankshaft with one locking washer and hex bolt Torque bolt to 20 6 N m 35 7 N m 15 2 lb ft 26 3 lb ft Figure 74 Type 1 Figure 75 Type 2 WARNING AVOID INJURY Attachment sheave edges are sharp Wear thick gloves to install belts onto attac...

Страница 37: ...utch lever and ensure belt finger located opposite belt idler is less than 3 2 mm 1 8 from belt but not touching the belt If needed adjust clearance by loosening hex bolts repositioning belt finger and tightening bolts 13 Reinstall belt cover and secure left side to frame with one tapping screw Position right side of belt cover under tapping screw and tighten 14 Reinstall chute deflector cable int...

Страница 38: ...k plug wire 3 Loosen traction drive clutch cable 4 Under control panel remove hairpin flat washer and spring retaining upper traction clutch cable to clutch lever pin and disconnect cable See Figure 79 See Figure 80 5 Disconnect lower traction drive cable from upper traction drive cable 6 Loosen but DO NOT remove shoulder bolt retaining cable pulley to cable pulley bracket 7 Remove belt cover See ...

Страница 39: ...m cover See Service Position on page 7 and Bottom Cover Removal on page 12 See Figure 82 2 Route cable end with spring hook through hole in back cover 3 Install cable end onto swing gate Figure 81 WARNING AVOID INJURY Before placing unit in service position drain fuel from tank and fuel system See Draining Fuel System on page 7 Ensure unit is secure and will not tip Figure 82 ...

Страница 40: ...in See Figure 79 8 Return unit to operating position 9 Adjust traction drive clutch Refer to Operator s Manual for adjustment procedure 10 Reconnect spark plug wire and fill fuel tank IMPORTANT Check all adjustments after first use DUAL HANDLE INTERLOCK CAM REPLACEMENT Remove Interlock Cam IMPORTANT Save all hardware for reinstallation See Figure 84 1 Remove spring from interlock bracket 2 Remove ...

Страница 41: ... Remove cams Install Interlock Cams IMPORTANT Ensure nylon bushings are seated in interlock bracket See Figure 86 1 Reinstall right camshaft through interlock bracket and secure to clutch lever with one tapping screw Figure 85 Models 921047 921049 921323 921324 Models 921045 921046 921048 Figure 86 Models 921047 921049 921323 921324 Models 921045 921046 921048 ...

Страница 42: ... left interlock cam inside interlock bracket and align with left camshaft 4 Insert camshaft through interlock bracket and into interlock cam 5 Secure camshaft to clutch lever with one tapping screw Figure 87 Models 921047 921049 921323 921324 Models 921045 921046 921048 Figure 88 Models 921047 921049 921323 921324 Models 921045 921046 921048 ...

Страница 43: ...snap clip from left axle end and remove wheel See Figure 90 5 Remove axle key and flat steel washer from axle Take care to not lose axle key 6 Remove hardware securing axle bushing to frame and remove bushing Install Left Axle Bushing 1 Install bushing onto axle and secure to frame with three tapping screws from inside frame 2 Reinstall flat steel washer 3 Reinstall bottom cover and secure with tw...

Страница 44: ...flat steel washer from long axle 6 Remove E ring from axle end 7 Remove long axle from differential and tractor housing See Figure 92 IMPORTANT Two inner flat steel washers will fall when short axle is removed 8 Remove outer flat steel washer from short axle 9 Support differential gear and remove short axle 10 Remove differential gear and two inner steel washers 11 Remove tapping screws securing a...

Страница 45: ... short axle into differential gear 5 Reinstall outer flat steel washer on short axle See Figure 97 6 Reinstall long axle through frame and fully through differential gear and short axle 7 Reinstall E ring onto long axle end 8 Reinstall left flat steel washer onto long axle 9 Reinstall bottom cover and secure with two tapping screws and four hex bolts 10 Ensure axle keys are in position and reinsta...

Страница 46: ...shaft IMPORTANT Flat steel washer and sleeve bushing will fall when pinion shaft is removed 7 Remove pinion gear 8 Remove flange bushings from pinion gear See Figure 99 Install Flange Bushings 1 Install flange bushings into pinion gear See Figure 100 2 Reinstall pinion gear into chain and align with differential gear 3 Position sleeve bushing between pinion gear and frame 4 Reinstall pinion shaft ...

Страница 47: ...1 Stop engine remove key and wait for all moving parts to stop and for hot parts to cool 2 Disconnect spark plug wire 3 Place unit in service position and remove bottom cover See Service Position on page 7 and Bottom Cover Removal on page 12 4 Remove snap clips from axle ends and remove wheels and axle keys Take care to not lose axle keys See Figure 102 5 Remove left outer flat steel washer from l...

Страница 48: ...n differential gear with pinion gear and short axle Fully insert short axle into differential gear 4 Reinstall flat steel washer on short axle See Figure 106 5 Reinstall long axle through frame and fully through differential gear and short axle 6 Reinstall E ring onto axle end 7 Reinstall left flat steel washer onto long axle 8 Reinstall bottom cover and secure with two tapping screws and four hex...

Страница 49: ...stal and remove bracket See Figure 108 See Figure 109 6 Remove push nut from pinion gear and discard 7 Remove pinion gear and flat steel washer Install Pinion Gear 1 Install flat steel washer onto pinion gear 2 Insert pinion gear through pinion gear bracket and secure with replacement push nut 3 Secure pinion gear bracket to chute pedestal with two tapping screws 4 Reinstall chute rotation rod int...

Страница 50: ...r cover and remove cover 4 Remove spring clip from chute rotation rod and remove rod from chute gears 5 Remove hardware securing pinion gear bracket to pedestal plate and remove bracket See Figure 111 IMPORTANT Support discharge chute so it remains upright 6 Remove hardware retaining chute rotation gear to pedestal plate and remove gear See Figure 112 Figure 110 1 Tapping Screw 2 Chute Gear Cover ...

Страница 51: ...er and secure with original tapping screw 9 Reconnect spark plug wire 10 Adjust discharge chute Refer to Operator s Manual for adjustment procedure IMPORTANT Check all adjustments after first use SCRAPER BLADE REPLACEMENT Remove Scraper Blade IMPORTANT Save all hardware for reinstallation 1 Stop engine remove key and wait for all moving parts to stop and for hot parts to cool 2 Disconnect spark pl...

Страница 52: ...urn unit to operating position 5 Adjust scraper blade and skid shoes Refer to Operator s Manual for adjustment procedures 6 Reconnect spark plug wire and fill fuel tank IMPORTANT Check all adjustments after first use HEADLIGHT REPLACEMENT Remove Bulb IMPORTANT Save all hardware for reinstallation 1 Stop engine remove key and wait for all moving parts to stop and for hot parts to cool 2 Disconnect ...

Страница 53: ...ighth turn clockwise 2 Connect bulb to wire harness 3 Reinstall headlight housing into control panel and secure with two tapping screws 4 Reconnect spark plug wire EFI BATTERY REPLACEMENT Model 921049 Remove Battery IMPORTANT Save all hardware for reinstallation 1 Stop engine remove key and wait for all moving parts to stop and for hot parts to cool 2 Disconnect spark plug wire 3 Disconnect wire h...

Страница 54: ...operly Install Battery 1 Position battery in battery bracket and secure with two cable ties See Figure 121 See Figure 122 2 Secure battery bracket to control panel with original hardware 3 Reconnect battery connector to wire harness 4 Reinstall ECU and secure to control panel with original hardware See Figure 123 5 Reconnect wire harnesses to ECU 6 Reconnect spark plug wire Figure 120 Figure 121 F...

Страница 55: ...ire 3 Disconnect wire harnesses from ECU 4 Remove hardware retaining ECU and bracket and remove bracket See Figure 124 5 Remove hardware retaining ECU to bracket and remove ECU See Figure 125 Install ECU 1 Secure ECU to bracket with original hardware See Figure 125 2 Secure ECU bracket to control panel with original hardware See Figure 123 3 Reconnect wire harnesses to ECU 4 Reconnect spark plug w...

Страница 56: ...age 29 2 Remove any rust if present from auger and impeller shafts with sandpaper Wipe clean with oil 3 Remove drain plug and seal washer from gearcase See Figure 126 See Figure 127 4 Remove hardware retaining gearcase cover and remove cover 5 Remove gasket and drain gearcase 6 Remove bushing retainer from gearcase See Figure 128 Figure 126 Figure 127 Figure 128 ...

Страница 57: ... seal cover and discard See Figure 130 10 Using snap ring pliers remove retaining ring See Figure 131 See Figure 132 11 Using a suitable bearing press tool press impeller shaft end until shaft is through front of gearcase NOTICE DO NOT strike impeller shaft end 12 Remove pin and bushing from impeller shaft 13 Remove impeller shaft from gearcase and remove all loose parts from inside gearcase Figur...

Страница 58: ...ear seal into gearcase until flush with gearcase exterior IMPORTANT DO NOT press left seal into gearcase 2 Reinstall left and rear flange bushings See Figure 135 IMPORTANT Gear is symmetrical and may be installed facing either direction 3 Install gear Figure 133 Figure 134 1 Seal 2 Flange Bushing 1 2 2 Figure 135 ...

Страница 59: ...rough edges in shaft such as holes pass through seal See Figure 137 6 Reinstall pin into impeller shaft and turn shaft so pin is horizontal 7 Align thrust collar with pin and install thrust collar over pin 8 Move impeller shaft as far through gearcase rear as possible 9 Reinstall flange bushing onto impeller shaft end With a driver strike bushing until positioned just below retaining ring groove S...

Страница 60: ...ger shaft through gear and washer IMPORTANT Ensure auger shaft key aligns with gear keyway See Figure 141 14 Reinstall one flat steel washer and bushing onto right auger shaft end IMPORTANT Stepped down side of bushing MUST be positioned toward gearcase 15 With a driver such as a 1 1 4 deep well socket drive bushing into gearcase until groove is just beyond interior gearcase wall See Figure 142 Fi...

Страница 61: ...e seals over seal protectors and press into gearcase until each seal is flush with gearcase exterior 18 Remove seal protectors 19 Turn impeller shaft by hand to ensure auger shaft rotates easily 20 Reinstall bushing retainer into flange bushing groove See Figure 144 See Figure 145 21 Reinstall gearcase gasket 22 Secure cover to gearcase with four external tooth locking washer bolts Figure 143 Figu...

Страница 62: ... using only Ariens L3 synthetic severe duty gear lube Using other lubricants will not automatically void unit warranty but the warranty will not cover damage caused by using unauthorized lubricants Refer to the parts manual for your unit for the service part numbers 25 Reinstall seal washer rubber side down and oil fill plug Torque to 11 3 14 7 N m 100 130 lb in DO NOT over torque Figure 146 ...

Страница 63: ...arometer Sensor 66 Code 22 Engine Temperature Sensor 66 Code 23 EFI System Cannot Sustain Desired RPM 66 Code 27 Low Fuel Pressure 66 Code 28 High Battery Voltage 68 DIAGNOSTICS FOR NON TROUBLE CODES 68 Engine Starts and Loses Power 68 Engine No Start Condition 68 Surging Run Condition 71 Engine Speed Does Not Change 71 Fluttering Servo Motor 72 EFI TROUBLESHOOTING ...

Страница 64: ...r link at www ariens com for replacement part numbers of the items listed below ECU Barometric Pressure Sensor Air Temperature Sensor Throttle Body Assembly Throttle Plate Servo Motor Fuel Injector Fuel Pressure Sensor Engine Temperature Sensor Battery Fuel Pump Inline Fuel Filter IMPORTANT Replacement part sub components are not available as individual parts Figure 147 Red LED Green LED 14 Pin Ch...

Страница 65: ... throttle plate See Figure 150 Figure 149 Throttle Body Assembly Fuel Pump With Internal Filter Engine Temperature Sensor Inline Fuel Filter Figure 150 Fuel Inlet Fuel Pressure Sensor Internal Servo Motor Servo Operated Throttle Plate Fuel Injector Figure 151 Fuel Pump Sealing O Ring Pre Filter ...

Страница 66: ...acement See EFI Trouble Code Identification on page 64 Visually inspect the red LED to verify trouble codes To read trouble codes more easily place a mirror under the ECU to view LED reflection IMPORTANT If no trouble code is present but engine is not operating normally See Diagnostics for Non Trouble Codes on page 68 Trouble Code Problem Correction 16 Low Battery Voltage Check charging system and...

Страница 67: ...tage measures less than 7 5 V DC check charging system at the engine Advance to step 5 IMPORTANT If the engine is cold it is normal for the engine speed to be 100 RPM 200 RPM higher until operating temperature is reached 4 Stop the engine Refer to Operator s Manual b Check the battery With the engine off the battery voltage should be 7 2 V DC 8 4 V DC See Figure 154 If voltage measures less than 7...

Страница 68: ...ors If wires are disconnected repair or replace wire harness b If connections are in good condition disconnect and reconnect wire harness and recheck voltage Voltage should read 11 5 V AC 14 V AC c If low or no voltage exists remove the flywheel and inspect the alternator ground wire contact If ground wire is corroded repair alternator If ground contact is in good condition replace alternator 3 Ch...

Страница 69: ...n See Figure 160 If voltage measures less than 7 2 V DC check the battery voltage by probing the green wire on the ECU 12 pin connector See Figure 161 If low voltage or no voltage is present replace the ECU If voltage is present inspect the green wire between the 12 pin connector and throttle body for a pinched or broken wire If the wire has no damage replace the throttle body assembly If voltage ...

Страница 70: ... in the AC output wire from the stator to the ECU Other possible causes may include an ECU or engine charging system failure 1 Check wire harness connection to the ECU a With the ignition key in the off position check the wire harness connections to the ECU If connections are secure disconnect the 12 pin and 14 pin connections to the ECU and inspect connectors for bad connections or burn marks b C...

Страница 71: ...ith battery voltage between 7 2 V DC 8 4 V DC check if the green ECU status light is blinking at a consistent rate IMPORTANT If battery measures below 7 2 V DC ECU LEDs may appear dim or will not illuminate red or green LEDs If green LED is constant not blinking see EFI Trouble Code Identification on page 64 7 Check fuel pump output a Remove the heater box b Check voltage at fuel pump See Code 27 ...

Страница 72: ...y assembly c If no voltage is present at the injector check battery voltage by probing the red and white wires on the 12 pin ECU connector with the red probe and contact the black probe against the engine block With the ignition key in the ON position each terminal should measure 7 2 V DC 8 4 V DC See Figure 165 Figure 164 Figure 165 ...

Страница 73: ...t a Remove the heater box b Check voltage at fuel pump See Code 27 Low Fuel Pressure on page 66 for voltage readings c Remove fuel hose from fuel pump outlet and attach a suitable length of fuel hose to the fuel pump outlet that can safely reach a clearly marked fuel container d With battery voltage between 7 2 V DC 8 4 V DC turn the key to the ON position for 10 seconds to pump fuel into the cont...

Страница 74: ... to ON position d Turn the potentiometer from low idle to full throttle Voltage to the green white wire should measure close to 0 01 V DC at low idle and close to 5 0 V DC at full throttle If voltage does not vary between low idle and full throttle there is an open connection in the harness Replace the harness Fluttering Servo Motor If the throttle plate in the throttle body flutters continuously ...

Страница 75: ...EN 73 SERVICE RECORD DATE SERVICE COMPLETED NOTES ...

Страница 76: ...655 West Ryan Street Brillion WI 54110 www ariens com parts ariens com PRINTED ...

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