Little Wonder 5631, 5621 User Manual

ASPIRADORA DE ALTO RENDIMIENTO

ASPIRATEUR HAUTE PERFORMANCE

Models 5621 and 5631

Modèles 5621 et 5631

Modelos 5621 y 5631

SELF PROPELLED

AUTOTRACTÉ

AUTO-PROPULSADA

Table of Contents Important Information

A. Introduction

On behalf of everyone at

Little Wonder

, we would like to

thank you for your purchase of a

Little Wonder

High Performance Vac. This professional debris handling machine was designed to the highest standards to ensure you many hours of uninterrupted service.

This manual provides the information necessary for safe and efficient operation and service. For your safety, it is critically important that you read and understand this entire manual before operating your High Performance Vac.

Specifications:

Model Dry Weight Max Rpm 5621 258 lbs. 3400 5631 260 lbs. 3400

B. Service Information

High Performance Vac Unit

Contact your local

Little Wonder

dealer.

Engine

Contact an authorized Briggs & Stratton dealer. Dealers are listed in the Yellow Pages under “Lawn and Garden Equipment Supplies”, “Lawn Maintenance” or “Lawn Mowers”. Your dealer will need to know the model and serial number of your engine. For their location, please consult the operator’s manual provided with your engine.

C. Special Safety Information

WARNING DANGER

ATTENTION: THIS SYMBOL POINTS OUT

IMPORTANT SAFETY INSTRUCTIONS

WHEN YOU SEE THIS SYMBOL

HEED ITS WARNING! STAY ALERT!

WARNING DANGER

TO REDUCE THE POTENTIAL FOR ACCIDENTS,

COMPLY WITH THE SAFETY INSTRUCTIONS IN

THIS MANUAL. FAILURE TO COMPLY MAY RESULT

IN SERIOUS PERSONAL INJURY AND OR

EQUIPMENT AND PROPERTY DAMAGE.

WARNING DANGER

THE ENGINE EXHAUST FROM THIS PRODUCT CONTAINS CHEMICALS KNOWN TO THE STATE OF CALIFORNIA TO CAUSE CANCER, BIRTH DEFECTS

OR OTHER REPRODUCTIVE HARM.

Important Information

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

Service Information . . . . . . . . . . . . . . . . . . . . .1

Special Safety Information . . . . . . . . . . . . . . . .1

Unpackaging

Unpackaging Information . . . . . . . . . . . . . . . . .2

Safety and Warnings

Safety Decals . . . . . . . . . . . . . . . . . . . . . . . . . .2

General Safety Rules

Warnings - "Don’ts" . . . . . . . . . . . . . . . . . . . . .4

Warnings - "Do’s" . . . . . . . . . . . . . . . . . . . . . . .4

Engine/ Fuel Warnings - "Don’ts" . . . . . . . . . .5

Engine/ Fuel Warnings - "Do’s" . . . . . . . . . . . .5

Assembly Instructions

Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Speed Controller Setup . . . . . . . . . . . . . . . . . . .7

Put Oil and Gasoline in Engine

Before Starting . . . . . . . . . . . . . . . . . . . . . . . . .8

Use of Lifting Lug . . . . . . . . . . . . . . . . . . . . . .9

Operation

Starting Instructions . . . . . . . . . . . . . . . . . . . . .9

Self-Propelled Setup . . . . . . . . . . . . . . . . . . . . .9

Vacuuming . . . . . . . . . . . . . . . . . . . . . . . . . . .10

Empty Debris Bag . . . . . . . . . . . . . . . . . . . . . .10

Refueling the Engine . . . . . . . . . . . . . . . . . . .10

Storage and Maintenance

Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . .11

Removing Blockage in Moving Parts . . . . . . .12

Removing the Fan . . . . . . . . . . . . . . . . . . . . . .12

Changing V-Belt . . . . . . . . . . . . . . . . . . . . . . .12

Part Numbers

HPV Parts Assembly . . . . . . . . . . . . . . . . . . . .13

HPV Parts List . . . . . . . . . . . . . . . . . . . . . . . .14

HPV Engine Assembly . . . . . . . . . . . . . . . . . .15

HPV Deck Assembly . . . . . . . . . . . . . . . . . . .15

HPV Collector Assembly . . . . . . . . . . . . . . . .16

HPV Liner Assembly . . . . . . . . . . . . . . . . . . .17

HPV Nozzle Assembly . . . . . . . . . . . . . . . . . .17

Warranties

Warranty . . . . . . . . . . . . . . . . . . . . . .Back cover

Unpacking

1. Remove Collector assembly, Nozzle assembly, and Debris bag from the top section of the package.

2. Remove cardboard insert.

3. Cut away short side of box and fold down.

4. Pull and latch “transaxle engagement lever.” See page 9.

5. Roll HPV base unit out of box.

P/N 600602

Warning Label

P/N 600605

Warning Label

Caution: Thrown objects.

Keep bystanders away.

Always wear eye, ear and breathing protection.

Before performing any service or maintenance, disconnect spark plug wire. Make sure throttle is in STOP position.

Read and understand the Owners Manual. Store your Owners Manual in a safe place.

Keep hands and feet away from air discharge areas. Rotating fan will cause serious injury.

Safety and Warnings

A. Safety Decals

An important part of the safety system incorporated in this High Performance Vac are the warnings and informational decals (labels) found on various parts of the unit.

These decals (labels) must be replaced if they become illegible due to abrasion, etc.

It is your responsibility to replace the decals (labels) when they become hard to read. The location of these decals and their part numbers for ordering are shown on page 3.

WARNING DANGER

IMPROPER USE OR CARE OF THIS HIGH

PERFORMANCE VAC, OR FAILURE TO WEAR PROPER

PROTECTION CAN RESULT IN SERIOUS INJURY.

READ AND UNDERSTAND THE RULES FOR

SAFE OPERATION AND ALL INSTRUCTIONS

IN THIS MANUAL.

WEAR HEARING, EYE, AND BREATHING

PROTECTION.

P/N 600604

Safety and Warnings

P/N 600602

Warning Label

P/N 600605

Warning Label

General Safety Rules

1. Read and understand manual.

2. Wear eye, hearing, and breathing protection, proper clothing and footwear.

3. While operating the machine always be sure of a safe and secure operating position, maintain a firm footing and good balance at all times.

4. Keep area clear of children, pets and bystanders.

5. Never attempt to use an incomplete machine or one fitted with an unauthorized modification.

6. Avoid contact with and inhalation of harmful fluids, gases, mists, fumes, and dust.

7. Do not allow children to operate machine.

8. Do not override or remove any safety devices.

12. Keep hands away from hose inlet and discharge chute.

13. Disconnect spark plug before doing any cleaning or maintenance.

14. Wear gloves to protect your hands.

15. Beware that the machine is loud and, during normal operation; may interfere with speech communication.

A. Warnings - "Don’ts"

Don’t attempt to remove materials from intake or discharge

when High Performance Vac is running, or fan is rotating.

Don’t install or remove components while High Performance Vac is running. Turn off engine to make changeover. Be sure throttle is in the stop position, and the High Performance Vac has come to a complete stop. Remove the spark plug wire from the spark plug before removing material.

Don’t attempt to repair High Performance Vac. Have repairs made by qualified Little Wonder dealer or repairman. See that only Little Wonder and recommended engine manufacturers replacement parts are used.

Don’t leave the engine running while the High Performance Vac is unattended.

Don’t store, spill, or use gasoline near flames or spark

B. Warnings - "Do’s"

Always dress properly. Do not wear loose clothing or jewelry.

They can be caught in moving parts. Use of sturdy gloves, non-skid footwear and safety glasses are recommended. Always wear ear protectors where possible. Use face filter to avoid breathing dust.

Always stay alert. Watch what you are doing and use common sense. Do not operate High Performance Vac when fatigued.

Always keep hands away from air intake and air outlet chute. Keep both hands on handles when power is on.

Always maintain and examine High Performance Vac with care. Follow maintenance instructions given in manual.

WARNING DANGER

9. FAN COASTS AFTER THE ENGINE IS TURNED OFF.

WARNING DANGER

DO NOT SMOKE WHEN FILLING FUEL TANK

WARNING DANGER

10. ROTATING FAN. DON’T ATTEMPT TO REMOVE MATERIALS FROM INTAKE OR DISCHARGE WHEN

UNIT IS RUNNING, OR FAN IS ROTATING.

WARNING DANGER

DO NOT USE THE HIGH PERFORMANCE VAC IF THE

MUFFLER IS DEFECTIVE OR MISSING.

WARNING DANGER

11. DO NOT OPERATE UNIT IF EXCESSIVE VIBRATION OCCURS; SHUT ENGINE OFF IMMEDIATELY!

REMOVE SPARK PLUG WIRES AND CHECK FOR DAMAGED IMPELLER, LOOSE IMPELLER BOLT,

LOOSE IMPELLER KEY, OR LODGED

FOREIGN OBJECTS.

WARNING DANGER

IF THE HIGH PERFORMANCE VAC IS USED IMPROPERLY OR SAFETY PRECAUTIONS ARE NOT FOLLOWED, THE USER RISKS SERIOUS INJURY TO

THEMSELVES AND OTHERS.

READ AND UNDERSTAND THE FOLLOWING

BEFORE ATTEMPTING TO OPERATE THIS

HIGH PERFORMANCE VAC.

WARNING DANGER

HANDLE FUEL WITH CARE. IT IS HIGHLY

FLAMMABLE. FUELING A HOT ENGINE OR NEAR

AN IGNITION SOURCE CAN CAUSE A FIRE AND

RESULT IN SERIOUS PERSONAL INJURY AND/ OR

PROPERTY DAMAGE.

D. Engine/ Fuel Warnings - "Do’s"

Always use fresh gasoline. Stale gasoline can cause

difficult starting, poor performance and leakage.

Always pull starter cord slowly until resistance is felt. Then pull cord rapidly to avoid kickback and prevent arm or hand injury.

The use of spark arrestor mufflers is required by law in the state of California (Section 4442 of the California Public Resources Code), as well as in other states or municipalities. Federal laws apply on federal lands.

Always handle fuel with care; it is highly flammable. Never add fuel to a machine with a running or hot engine. Do not inhale fuel fumes as they are toxic.

The spark ignition system meets all requirements of the Canadian Interference Causing Equipment Regulations.

monoxide and other gasses are emitted.

Don’t run engine when electrical system causes spark outside the cylinder. During periodical checks of the spark plug, keep plug a safe distance from cylinder to avoid burning of evaporated fuel from cylinder.

Don’t check for spark with spark plug or plug wire removed and grounded. Use an approved tester. Sparks can ignite fumes.

Don’t run engine when the odor of gasoline is present or other explosive conditions exist.

Don’t operate the unit if gasoline is spilled. Clean up spill completely before starting engine.

Don’t refuel indoors or in an improperly ventilated area.

Don’t operate your High Performance Vac if there is an accumulation of debris around the muffler and cooling fins.

Don’t touch hot mufflers, cylinders or cooling fins as contact may cause serious burns.

B. Warnings - "Do’s" Continued

Always store High Performance Vac indoors. When not in use,

store High Performance Vac indoors in a sheltered area (a dry place) where it’s not accessible to children. The High Performance Vac, as well as fuel, should not be stored in a house. Keep throttle in the stop position.

Always be sure High Performance Vac is fully assembled. Never operate High Performance Vac without all guards and deflectors in place. Ensure that all nuts, bolts, screws are installed and properly tightened.

Always keep the throttle in the “stop” position when not in use.

Always keep a safe distance between two or more operators

when working together simultaneously.

C. Engine/ Fuel Warnings - "Don’ts"

Don’t fuel, refuel or check fuel while smoking or near

an open flame or other ignition source. Stop engine and be sure it is cool before refueling.

Don’t leave the engine running while the High Performance Vac is unattended. Stop engine before transporting High Performance Vac from one place to another.

Don’t start or run this High Performance Vac indoors, or in an improperly ventilated area as poisonous carbon

A. Assembly

1. Attach the collector assembly to the base unit:

• Bolt the collector assembly to the frame with 4 sets of bolts, washer, and nuts

• Slide the rectangular end of the collector over the housing and mount the flange with 2 sets of washers and nuts

2. Attach the throttle control cable to the handle on the

collector assembly:

• Bolt throttle control lever to handle with washer and nut

• Secure throttle cable to handle with cable ties in 2 places

3. Install the band clamp into the debris bag (wear gloves

when handling band clamp):

• Slide the bracket end of the band clamp through the left side opening of the sleeve on the debris bag until it emerges from the right side

• Feed the tail end of the band (on the clasp side) behind the bracket in the sleeve

• Pinch the wire form on the clasp together and connect it through 2 holes in the adjustment bracket such that it will close tightly over the collector

4. Connect the debris bag by placing it over the bottom lip of the collector and closing the clasp to secure the bag. Adjust the clasp wire form to the appropriate hole position on the bracket to insure a tight fit. If the bag will not fit tight within the range of the 3 adjustment holes, insert the bag seal strap:

• Unhook the wire form from the bracket

• Pull the tail end of the band back out from behind the bracket

• Feed one end of the seal strap behind the metal band and through the channel to the other side

• Tuck the other end of the seal strap behind the bracket (overlapping the lead end of the seal strap)

• Feed the tail end of the band clamp behind the bracket (overlap the seal strap)

• Connect the wire form to the appropriate holes in the bracket and secure the debris bag to the collector

5. Attach nozzle assembly to

base unit:

• Attach one end of the hose to the nozzle assembly with the

bridge clamp

• Slide the other end of

Assembly Instructions

the hose over the edge of the inlet on the front plate

• Hook one side of the nozzle bracket over the front axle

• Bend the other end of the nozzle bracket inward to

hook it over the axle and engage the pins on the wheel bracket with the slots on the nozzle bracket

• Secure the hose to front plate inlet with the bridge

clamp

• Attach the nozzle cable end fitting through the hole in the nozzle bracket

6. To remove nozzle assembly (for purposes of storage, or

clearing blockages):

• Turn engine off and disconnect spark plug

• Loosen hose clamp on the front plate with flathead screwdriver or 5/16 wrench

• Slide hose off of front plate inlet

• Bend one side of nozzle bracket inward and twist the assembly to remove the hook from the axle

• Twist back and lift to remove the other side of nozzle

bracket from the axle

WARNING DANGER

NEVER RUN OR OPERATE YOUR MACHINE

UNLESS DISCHARGE BAG IS ATTACHED,

AND THE INTAKE NOZZLE IS INSTALLED.

7. Speed Controller Setup

Attach the Lower Connecting Rod Assembly to the Lower Bellcrank.

a. Attach Lower Connecting Rod Assembly to the Lower

Bellcrank with a 3/8”-24 Nyloc Nut. Tighten using 9/16” and 1/2” wrenches.

Setup the Speed Controller Mechanism – Critical for proper operation.

a. Verify that the Self-Locking Acorn Nut is tightened

sufficiently to hold the Upper Connecting Rod Assembly firmly in place. If not, slightly tighten the Self-Locking Acorn Nut.

b. Verify the Actuator reversing function by depressing

the Reversing Lever (Red) and then releasing it. It should work smoothly and, when released, it should fully return to the “normal” position.

c. If the Actuator does not work smoothly, binds up,

or does not fully return to the “normal” position, loosen the Self-Locking Acorn Nut slightly and recheck the operation. Repeat as needed to achieve proper operation.

d. Depress the Reversing Lever and then press lightly

on the Bail Handle until the Front Face of the Rear Slot on the Bail Handle just touches

the Actuator

Pin (also refer to picture in step ‘e’ below).

e. The Front Face of the Rear Slot and the Actuator

Pin Bushing should be in contact with each other and appear as shown below:

f. If the Actuator Pin does not enter into the Rear

Slot as show below, the Upper Connecting Rod Assembly is too short and must be lengthened.

i. Remove the nut that holds the Rod End to the

Upper Bellcrank.

ii. Disconnect the Rod End from the Upper

Bellcrank.

iii. Adjust the Rod End outwards by unscrewing it

counterclockwise.

iv. Reattach the Rod End to the Upper Bellcrank

and secure it with the nut (hand tightened).

v. Repeat this adjustment as needed to position

the Rear Slot and Actuator Pin as shown in step ‘e’ above.

B. Put Oil and Gasoline in Engine

Before Starting

1. Little Wonder recommends using SAE 30 Oil. The use of multi-viscosity oil will result in high oil consumption and possible engine damage.

2. Add gasoline to the fuel tank, and you are ready to start.

3. See Engine Operating & Maintenance instructions for more detail description of type and amount of oil and gasoline used.

WARNING DANGER

HANDLE FUEL WITH CARE. IT IS HIGHLY

FLAMMABLE. FUELING A HOT ENGINE OR NEAR

AN IGNITION SOURCE CAN CAUSE A FIRE AND

RESULT IN SERIOUS PERSONAL INJURY AND/ OR

PROPERTY DAMAGE.

g. If the Actuator Pin enters into the Rear Slot as

shown below, the Upper Connecting Rod Assembly is too long and must be shortened.

i. Remove the nut that holds the Rod End to the

Upper Bellcrank.

ii. Disconnect the Rod End from the Upper

Bellcrank.

iii. Adjust the Rod End inwards by screwing it

clockwise.

iv. Reattach the Rod End to the Upper Bellcrank

and secure it with the nut (hand tightened).

v. Repeat this adjustment as needed to position

the Rear Slot and Actuator Pin as shown in step ‘e’ above.

h. While holding the Reversing Lever down,

gradually press down on the Bail Handle. The Actuator Pin should engage the Rear Slot smoothly with minimal or no “snapping” action when the Bail Handle is depressed. It may be necessary to readjust the Rod End as described above to finetune this action.

i. Release the Bail Handle. It should return to its full

upright position and the Actuator Assembly should also return to its “normal” position as shown below:

j. Depress the Bail Handle and verify that the

Actuator Pin smoothly engages the Front Slot on the Bail Handle.

k. Verify the forward and reverse operations several

times to assure that the set up is correct.

l. Lock the Rod End of the Upper Connecting Rod

Assembly by holding the Rod End in position with a 1/2” wrench and then tightening the nut with a 9/16” wrench as shown below:

m. Verify that Rod End is straight and not cocked as

depicted below:

n. Remove the standard 3/8”-24 Nut from the Rod

End of the Upper Connecting Rod Assembly and replace it with the 3/8”-24 Nyloc Nut. Tighten using both a 9/16” & 1/2” wrench.

Setup of Speed Controller complete.

Operation

WARNING DANGER

THE OPERATOR OF THIS HIGH PERFORMANCE

VAC IS RESPONSIBLE FOR ACCIDENTS OR

HAZARDS OCCURRING TO HIMSELF, OTHER

PEOPLE OR THEIR PROPERTY.

WARNING DANGER

ENGINE EMITS CARBON MONOXIDE. DO NOT

OPERATE OR REFUEL IN ENCLOSED AREA.

A. Starting Instructions

1. Perform pre-starting checks (engine oil and gas level, all safety inspections, etc. Read entire Owners’ Manual for all pre-starting information.)

2. Release the Transaxle Engagement Lever

3. Make sure Gas Supply Knob (located above Recoil Starter) is turned to On position.

4. Move Choke Lever (located above and to the left of the Recoil Starter) to Choke position.

5. Move Throttle Control Lever (located on Left Handlebar) to Middle Position or Full Position (toward Rabbit symbol.)

6. Pull Recoil Starter Handle slowly until resistance is felt, then pull firmly to start engine.

7. When engine starts, slowly move Choke Lever to Open position.

8. Increase Throttle Control Lever to Full Speed if desired.

9. NOTE: If engine is difficult to start: Press Belt Tension Lever down with your left foot before pulling Recoil Starter Handle. (This disengages the belt for easier starting.) When engine starts, slowly release your foot from the Belt Tension Lever.

WARNING DANGER

DO NOT USE OR SERVICE THE UNIT WHEN IT’S

SUSPENDED FROM THE LIFTING LUG.

WARNING DANGER

FUEL IS EXTREMELY FLAMMABLE. HANDLE IT

WITH CARE. KEEP AWAY FROM IGNITION

SOURCES. DO NOT SMOKE WHILE FUELING

YOUR EQUIPMENT.

C. Use of Lifting Lug

Little Wonder High Performance Vac is supplied with convenient Lifting Lug that can be used when you need to move the unit.

B. Self-Propelled Instructions

1. With engine running (and Transaxle Lever in Engage

position) slowly press Bail Handle downward to selfpropel vacuum FORWARD. The farther down you press the Bail Handle, the faster the speed of the vacuum. Slowly release the Bail Handle to reduce speed or to stop.

2. To self-propel in Reverse, first press downward on the

Reverse Lever, and (with the Reverse Lever pressed down) press downward on the Bail Handle. The farther down you press the Bail Handle, the faster the speed of the vacuum in REVERSE. Slowly release the Bail Handle to reduce speed or to stop.

3. Releasing the Bail Handle at any time stops the vacuum from movement.

RECOIL STARTER HANDLE

tension when starting

BELT TENSION LEVER Step on to release belt

CHOKE LEVER

THROTTLE CONTROL LEVER

REVERSE LEVER

Release to engage

Press to engage

GAS SUPPLY KNOB

Pull and latch to disengage

reverse mode

TRANSAXLE ENGAGEMET LEVER

BAIL HANDLE Press to propell HPV forward or reverse

NOZZLE CONTROL KNOB

BAND CLAMP CLASP

HPV Control Levers

D. Empty Debris Bag

1. Turn off engine and let it come to a complete stop before removing the debris bag.

2. Roll vacuum to the desired unloading location (compost pile, curb-side, wooded area, tarp, etc.).

3. Open clasp on band clamp to release bag to the ground. Avoid dragging bag on surface to prolong bag life.

4. Empty contents of debris bag (handle straps are provided on the under side of the bag for aid in dumping contents).

5. Reconnect bag to collector.

E. Refueling the Engine

1. Stop engine and allow it to cool for a few minutes before refueling.

C. Vacuuming

1. Adjust nozzle to desired height by turning the nozzle control knob, secure position with wing nut.

2. Vacuum debris from lawn or paved surfaces. Vacuum the following: leaves, small twigs and sticks, acorns, thistles, seed pods, grass clippings, straw, wood chips, dry mulch, litter, small cans & bottles, paper products, styrofoam products.

3. Avoid the following: excessively wet surfaces and debris, gravel surfaces, large hard objects, rocks, long fibrous materials (vines, rope, string etc). Do not force anything into vacuum.

WARNING DANGER

KEEP RECOIL STARTER SCREEN AND ENTIRE

ENGINE CLEAR OF ALL DEBRIS. DO NOT

OPERATE ENGINE WITH AN ACCUMULATION OF

GRASS, DIRT, LEAVES OR OTHER

COMBUSTIBLE MATERIAL NEAR MUFFLER.

WARNING DANGER

DO NOT OPERATE UNIT IF EXCESSIVE

VIBRATION OCCURS; SHUT ENGINE OFF

IMMEDIATELY! REMOVE SPARK PLUG WIRES

AND CHECK FOR DAMAGED IMPELLER,

LOOSE IMPELLER BOLT, LOOSE IMPELLER KEY,

OR LODGED FOREIGN OBJECTS.

A. Storage

1. After each use, run HPV with the empty bag attached to help clear out any loose material in the housing.

2. When not in use store High Performance Vac in sheltered area (a dry place) not accessible to children. Keep throttle in the “Stop” position.

3. The High Performance Vac, as well as fuel, should not be stored in a house or poorly ventilated areas.

4. Do not store fuel in the engine’s gas tank longer then 30 days.

Storage and Maintenance

B. Maintenance

After First

8 Hrs of Use



Every

Use



Every

5 Hrs



Every

25 Hours



Every

50 Hours



Area

*Engine

Check muffler area for accumulation of debris

Check for excessive vibration

Inspect for loose or damaged parts

Inspect for clean intake nozzle

Inspect labels condition

Check oil level

**Oil change

Service air cleaner

Clean and inspect spark plug arrester

Check tire pressure

Inspect speed control for proper operation

Check V Belt for excessive wear, cracks, etc.

Check idler pulleys for smooth operation

See Engine Manual

* See Engine Operating & Maintenance instructions for more detail maintenance and service schedule. ** Change oil every 25 Hrs if operating under heavy load or high ambient temperature.

6. Replace damaged or worn fan with a new one. If during fan removal the key (#915) was removed from the keyway, reinstall it by applying a few drops of the Loctite 380 instant adhesive (“Black Max” P/N 38050) on the key, and load the key in the keyway of the shaft. (Cure time is approx. 1 min.)

7. Use a new bolt (#600524) (add Loctite 242 to new bolt) and washer (#910527) and complete fan installation. Insure a secure fit upon re-assembling. Torque bolt to 39-51 Ft. lbs.

E. Changing V-Belt

1. Turn off engine. Remove Spark Plug Wire from Spark Plug. Chock or block wheels of vacuum to prevent it from rolling.

2. Remove Debris Bag from vacuum.

3. Remove 3 hex head bolts that attach Belt Guard to Deck. (Use 7/16” wrench or socket.) Set Belt Guard aside.

Note how V Belt goes around each of 4 pulleys and how it “twists.”

4. Remove 4 hex head bolts that attach Recoil Starter Cover to Engine Standoffs. (Use 8 millimeter nut driver, socket or wrench.) Remove Recoil Starter Cover.

5. Loosen (but do not remove) 2 hex head bolts that attach Fixed Idler Bracket to Deck. (Use 7/16” wrench or socket.) This allows clearance for belt to be removed.

6. Press down on Belt Tension Lever and lift V Belt off its pulley. Release Belt Tension Lever. Remove V Belt from Engine Pulley.

7. Remove V Belt from large horizontal pulley of transaxle (under Deck.) Pushing V Belt forward with both hands, then lifting V Belt up, then pulling V Belt backwards should remove it from large pulley. Remove V Belt from under Deck.

8. Reverse above steps to replace V Belt. Install V Belt with the same “twists” that the old V Belt made around the pulleys. Make sure the “V” side of the V Belt goes into each pulley. Before replacing Belt Guard or starting engine, pull Recoil Starter Handle several times to make sure V Belt rides in the grooves of each pulley.

9. Make sure Belt Tension Lever and return spring operate smoothly. If it sticks or does not operate smoothly, lubricate the Belt Tension Lever and its mounting bracket with a few drops of Motor Oil, or other medium weight oil. Push Belt Tension Lever down and release it several times to allow lubrication to penetrate between lever and mounting bracket. Proper operation of the Belt Tension Lever and its return spring will insure that your V Belt will operate properly and last many hours of use.

WARNING DANGER

TURN OFF ENGINE BEFORE YOU DISCONNECT

HOSE, AND MAKE SURE ALL MOVING PARTS

COME TO A COMPLETE STOP.

WARNING DANGER

BE SURE THROTTLE IS IN “STOP” POSITION, AND

FAN HAS COME TO A COMPLETE STOP.

WARNING DANGER

DISCONNECT THE SPARK PLUG WIRES BEFORE

ANY CLEANING OR MAINTENANCE!

WARNING DANGER

WEAR GLOVES, THE CLOG MAY CONTAIN

SHARP MATERIALS.

C. Removing Blockage in Moving Parts

1. Support the housing with 2x4 lumber such that front wheel are 1” above the ground.

2. Chock the rear wheels with blocks.

3. Remove the nozzle assembly from the front plate. (See Assembly Instruction 6.)

4. Remove the front wheel assembly.

5. Remove the front plate.

6. Wear gloves and clear out debris from around the impeller and housing.

D. Directions for removing the Fan

and reinstallation

1. Remove spark plug wire from spark plug.

2. Remove nozzle assembly.

3 Remove front plate assembly.

4. Remove the bolt that secures the fan to the engine crankshaft.

5. The fan has a 3/4-16 nut welded on the fan hub. Insert a 3/4-16 x 5" long grade 5 (or better) bolt and jack or push the fan off the engine. (Little Wonder P/N 910505 pressure screw is recommended.)

CONNECT TO ENGINE THROTTLE LEVER

394x

HPV Parts Assembly

KEY NO.PART NO.DESCRIPTION QTY.

1 SEE DETAIL 6.5 HP ENGINE ASSEMBLY 1 2 SEE DETAIL DECK ASSEMBLY 1 3 600193 TRANSAXLE 1 4 600184 HANDLE MOUNT 1 5 600251 BELT GUARD 1 6 600186 HOUSING - WITH OUT LINER HOLES 1 7 600187 HOUSING - WITH LINER HOLES 1 8 600114 IMPELLER-BALANCED 1 9 600118 FRONT PLATE 1 10 600182 BRACKET, FRONT WHEELS 1 11 600188 AXLE, FRONT 1 12 600137 SPACER, WHEEL 2 13 600257 WEIGHT DISC 4 14 934 WHEEL, 10" 2 15 600195 WHEEL, 13" 2 16 600102 HOSE, NOZZLE, 7"D x 10" LG 1 17 720420 BRIDGE CLAMP, HOSE, 7" D 2 18 600162 KNOB, NOZZLE CONTROL, 5/16-18,

FEMALE 1 19 600104 NOZZLE CONTROL CABLE 1 20 600239 THROTTLE CABLE CONTROL LV

w/ Trans 1 21 600176 BAND CLAMP 1 22 600196 BAG SEAL STRAP 1 23 600177 DEBRIS BAG 1 24 600220 LEVER, DISCONNECT, LV TRANS 1 25 600252 SPRING HANGER 1 26 600548 HAIR PIN, 1/4" SHAFT 1 25 600555 PIN, CLEVIS, 1/2" x 1-1/2" LG 1 28 600556 PIN, HITCH 1 29 600258 COLLAR, 5/8 2 30 312 SNAP RING, 5/8D 2 31 600540 E CLIP 2 32 920532 KEY 3/16 x 3/16 x 1-1/2" LG 2 33 915 KEY, 1/4" SQ x 2" LG 1

EY NO.PART NO.DESCRIPTION QTY.

34 600504 BOLT, CARRIAGE, 3/8-16 x 2-1/4, GR.5 4 35 600525 BOLT, CARRIAGE, 3/8-16 x 2" LG 4 36 600537 BOLT, HEX, 1/4-20 x 3/4" LG 3 37 600545 BOLT, HEX, 1/4-20 x 2.5" LG 1 38 942 BOLT, HEX, 5/16-18 x 1-3/4"LG 4 39 600547 BOLT, HEX, 5/16-18 x 2-1/4"LG 5 40 600524 BOLT, 3/8-24 x 1.75" LG 1 41 600546 BOLT, SELF TAP, 5/16-8 x 3/4" LG 1 42 910503 BOLT, SERRATED FLANGE,

5/16-24 x 3/4" LG 4 43 720518 NUT, NYLOCK, 3/8-16 4 44 720594 NUT, SERRATED FLANGE, 3/8-16 4 45 114C NUT, NYLOCK, 5/16-18 9 46 114B NUT, SERRATED FLANGE, 5/16-18 15 47 600507 NUT, WING, 5/16-18 1 48 600506 NUT, NYLOCK, 1/4-20 1 49 910527 WASHER, FAN, FLANGED 1 50 600523 WASHER, 5/16 ID x 3/16 TH 2 51 720516 WASHER, FLAT, 3/8, USS 4 52 720511 WASHER, FLAT, 5/16, USS 8 53 129D WASHER, SPLIT LOCK, 5/16 4 54 600554 WASHER, LOCK, STAR, EXT, 1/4" 3 55 600269 WASHER, THRUST,

OILITE 3/4" ID x 1-1/4" OD x 1/16" TH 2 56 600268 WASHER, THRUST,

OILITE 3/4" ID x 1-1/4" OD x 1/8" TH 6 57 600518 WASHER, 1/4", COLLECTOR 1 58 720411 CABLE TIE, 7.5" 2 59 600521 HARDWARE BAG 1 60 16-102 WARRANTY CARD 1 61 600709 OWNERS MANUAL 1 62 N/A ENGINE MANUAL 1 63 SEE DETAIL NOZZLE ASSEMBLY 1 64 SEE DETAIL COLLECTOR ASSEMBLY 1

HPV Parts List

HPV Deck Assembly

HPV Engine Assembly

KEY NO. PART NO. DESCRIPTION QTY.

1 600901 ENGINE, 6.5 HP 1 2 600901 RECOIL, SUPPLIED W/ ENGINE (600901) 1 3 600901 NUT, SUPPLIED W/ ENGINE (600901) 1 4 600901 BOLT, SUPPLIED W/ ENGINE (600901) 4 5 600194 PULLEY, ENGINE 1 6 600249 STANDOFF , ENGINE 4 7 600200 BELT, V, LV W/ TRANS 1 8 600238 KEY, ENGINE PULLEY 1

KEY NO. PART NO. DESCRIPTION QTY.

1 600199 DECK, LV W/ TRANS 1 2 600231 BELLCRANK, DECK 1 3 600244 BRACKET, BELLCRANK, DECK 1 4 600264 BRACKET, IDLER, WELDMENT 1 5 600266 LINK, BELLCRANK, WELDMENT 1 6 600219 STRAP, TORQUE, LV 1 7 600204 BRACKET, MOUNT, TENSION 1 8 600203 BRACKET, TENSION 1

9 600555 PIN, CLEVIS, 1/2" X 1-1/2" LG 1 10 600556 PIN, HITCH 1 11 600270 BUSHING, FLANGED, 1/2" ID X 5/8" OD X 1/2" LG 2 12 600224 PULLEY, IDLER, LV 2 13 600201 BEARING, NEEDLE, 1/2" ID X 11/16" OD 4 14 600253 SPRING, PULLEY, IDLER 1 15 600526 BOLT, SHOULDER, 1/2" X 1-1/4" LG 3 16 600537 BOLT, HEX, 1/4-20 X 3/4" LG 6 17 129C BOLT, HEX, 5/16-18 X 3/4" LG 1 18 600536 BOLT, SHOULDER, 3/8" X 3/8" LG 1 19 114B NUT, SERRATED FLANGE, 5/16-18 2 20 600541 NUT, THIN JAM, 3/8-16 3 21 600554 WASHER, LOCK, STAR, EXT, 1/4" 6 22 600558 SHIM, SHOULDER BOLT, 1/2" OD X .015 TH 2 23 600557 WASHER, BELVILLE SPRING 3/8 ID X 5/8 OD 2

KEY NO. PART NO. DESCRIPTION QTY.

1 600101 DISCHARGE COLLECTOR 1

2 600130 HANDLE 1

3 600142 FLANGE CLAMP PLATE 1

4 600138 FLANGE ANGLE-COLLECTOR 1

5 600242 BRACKET, BELLCRANK, HANDLE 1

6 600206 BELLCRANK, HANDLE 1

7 600215 BAIL HANDLE 1

8 600211 REVERSE LEVER 1

9 600271 CAP, REVERSE LEVER 1 10 600161 HOOK STRIP 1 11 600605 WARNING LABEL - DEBRIS BAG 1 12 600260 SPRING, RETURN CONTROL 1 13 600237 SPRING, TORSION, BAIL 1 14 600210 ROD, CONTROL, UPPER 1 15 600209 ROD, CONTROL, LOWER 1 16 20950 SWIVEL ASSEMBLY 3/8-24 3 17 600552 BOLT, HEX, 1/4-20 X 2" LG 2 18 600545 BOLT, HEX, 1/4-20 X 2.5" LG 3 19 600544 BOLT, HEX, 5/16-18 X 2"LG 1 20 600543 BOLT, HEX, 5/16-18 X 3.5"LG 1 21 600551 BOLT, SHOULDER, 5/16 DIA X 3/8" LG 1 22 600506 NUT, NYLOCK, 1/4-20 6 23 114C NUT, NYLOCK, 5/16-18 2 24 600542 NUT, NYLOCK, 3/8-24, YELLOW ZINC 3 25 114B NUT, SERRATED FLANGE, 5/16-18 2 26 600528 NUT, THIN JAM, 3/8-24 5 27 600549 NUT, ACORN, 1/4-20, SELF LOCKING 1 28 600550 NUT, ACORN, 3/8-24, SELF LOCKING 1 29 600518 WASHER, 1/4", COLLECTOR 7 30 396 WASHER, LOCK, 1/4", SPLIT 1 31 720510 WASHER, FLAT, 1/4, USS 5 32 720511 WASHER, FLAT, 5/16, USS 6 33 600259 BUSHING,ACTUATOR 1 34 600246 BUSHING, FLANGED, DRYLIN MFI-0608-04 2 35 600262 SPACER, OILLITE, 1/4" ID X 3/8" OD X 3/8" LG 2 36 600241 BUSHING, FLANGED, OILLITE, 5/16 ID X 7/16 OD X3/8" LG 2 37 600263 SPACER, OILLITE, 5/16" ID X 3/8" OD X 3/8" LG 1 38 600256 SPACER, OILITE, 5/16 ID X 5/8 OD X 1.25" LG 2

HPV Collector Assembly

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