Powerhandling Powerhandler a series Use and care manual

ASSEMBLY, OPERATION, SAFETY

AND MAINTENANCE MANUAL

Manual for All A-Series Models of PowerHandler

Series

A25S

A30S

A40S

A60S

* A25S

and A30S are obsolete. Information is For Reference Only

2 of 21 Sept/20

TableofContents Page

Cover Page & Table of Contents 2

Instructions upon Receipt of Machine 3

Out of Box Assembly Instructions 4

Air Supply & Line/Connector Requirements 6

General Overview (Rolling Models) 8

A-Series Model Identification (Which Model do you have?) 9

Operation & Safety Manual 10

Handle Shaft Adjustment 10

Maneuvering the PowerHandler (to the Load) 11

Precautions to Take Before Rolling a Load 11

Option: Safety Stop 11

Moving the Load Forward 12

Pulling the Load Backward 12

Trouble Shooting Guide 13

Drive roller turns unengaged, but won’t move the load 13

RPM Test Procedure 15

General Mechanical Maintenance 16

Vane Kit Replacement Procedure –All A-Series 16

Warranty & Guarantee (Machines, Parts, Materials & Labor) 21

3 of 21 Sept/20

InstructionsuponReceiptofMachine

Upon receipt, please inspect your box for signs of damage and immediately inform PowerHandling of the

damage.If possible also take digital photos of the damaged box and email them to

sales@powerhandling.com. If there is no physical damage to the outside packaging, place the box on the

ground or work table with the “THIS WAY UP” arrows pointing up and open from the top.

Packaging varies according to the machine, model, etc. In all cases the packaging has been custom designed

to safely and securely protect the machine in transport. Correct packaging is critical in being able to

transport PowerHandlers without damage in transit as the units are extremely dense (very heavy for their

size) and must be securely packed in sturdy packaging that prevents movement of any parts of the machine

within the outer shipping container.

Open the outer and inner boxes to reveal the equipment inside. Ensure all inside boxes have been opened,

as parts are sometimes shipped with machines. Verify all components in the box match the packing slip. If

everything is accounted for, unpack and assemble the machine per the Machine Assembly section of the

manual. If not, contact PowerHandler before continuing.

Please note that damage incurred to a PowerHandler due to incorrect or insufficient packaging is the

responsibility of the sending party. By retaining the original packaging and instructions the unit can be

repacked securely should you need to return the machine at any time for repairs, analysis or upgrade by a

PowerHandling facility.

IMPORTANT NOTE:

ENSURE ALL PACKAGING IS RETAINED

Do not discard packaging. After removal of machine, repack all packaging and instructions into

outer shipping containers and store.By retaining the original packaging and instructions, the unit

can be repacked securely should you need to return the machine at any time for repairs, analysis or

upgrade by a PowerHanding facility.

4 of 21 Sept/20

AandT-SeriesOutofBoxAssemblyInstructions

UpperHandleAssembly

◄Step 1

Inspect upper handle tube to ensure it is

smooth and free of damage.

►Step 2

Inspect o-ring installed in the inside diameter of

the lower handle assembly to ensure it is present

and lightly lubricated with a small amount of

grease.

O-RING

◄Step 3

Insert upper handle assembly into lower

handle assembly and adjust to preferred

height and orientation. Tighten clamp

securely.

5 of 21 Sept/20

TipPreventer

◄Step 1

Remove top bolt on motor side.

►Step 2

Install tip preventer on axle shaft. Install bolt

and spacer into top bolt hole on motor side.

◄Step 3

Install the other side of the tip preventer onto the

opposite axle shaft. Install bolt and spacer into top

bolt hole on non-motor side.

6 of 21 Sept/20

AirSupplyandLine/ConnectorRequirements

Generally speaking there is very little maintenance required for your Air-Operated PowerHandler

provided the units are set-up correctly at the outset. Below details the most important items to check in

regard to initial set-up and trouble-shooting, particularly in respect to air supply. For optimal

performance of a PowerHandler, sufficient air supply is essential. The following criteria should be

achieved to ensure sufficient air-flow and performance.

Recommended air pressure and volume

Supplied air pressure should be 6-7 bar (85-100psi) for all models & series of PowerHandler. Above 7 bar

(100 psi) air pressure can damage the vanes of the air motor. The required air volume depends on the

model as larger motors consume more air. See below:

Air Volume: (Litres/min) (Ft3/min)

(44 cfm)

Model

A25S, A30S

A40S, A60S, T40S

1250 lpm

1500 lpm (53 cfm)

In most cases, standard “factory supply air” will accommodate this recommended pressure and flow rate,

however special attention should be paid to air lines and connectors (see below).

Air lines and connectors should not limit air flow / volume

More than 90% of all performance problems users experience with air-operated PowerHandlers are a result

of undersized airlines or connectors.

Additionally, the length of the air line inversely affects air flow and therefore performance. The shorter the air line

the better the performance and a maximum length of 15m (45ft) is recommended for diameters listed in the table

below. If an air line longer than 20m is required, the air lines and connectors should be upsized further. Too

small of a diameter air line (relative to its length) will result in significantly reduced power –evident by both

slower running speeds and less torque.

Please note minimum required internal dimensions of the air lines, connectors and fittings per the table

below:

Model Min. Int. Diameter: Air Line

A25S, A30S

A40S, A60S

12mm (½”)

13-15mm (½”-5/8”)

Connector

12mm (½”)

13-15mm (½”-5/8”)

For safety, an overhead “curly cord” style airline is recommended with the PowerHandler located in its

desired working area. This makes use of the device easier while presenting less of a trip hazard than

having the airlines running across the floor (see photo on next page)

OPTION: SWIVELING AIR LINE CONNECTOR.

PowerHandling offers an inexpensive connector that is sized at

12mm (½”) and swivels 360º for improved maneuverability -

whether the airline is overhead or running down to the floor.

7 of 21 Sept/20

The air supply must be clean (i.e. filtered)

Large contaminants in the air supply will clog the screens in the

PowerHandling air valve and at the inlet to the air motor. This

will reduce the air volume delivered to the vanes and result in

reduced torque and speed. Small contaminants in the air

supply will pass through these screens and enter the vanes and

cylinder of the air motor. Some will be immediately exhausted

but others will remain, causing damage and premature wear of

the vanes, bearings and seals along with diminished torque and

speed. If not addressed, the scarring of the inside of the

chamber will require honing of the cylinder or replacement of

the entire motor.

The air supply must be dry (i.e. inline water

traps installed)

Moisture in the compressed air supply will result in corrosion

inside the air motor’s vanes and precipitate the need for

replacement of the vane kit. The effect of moisture will be

diminished torque and speed and ultimately motor failure. A

quick way to check if there is moisture in the air lines is to

remove the muffler and look for moisture and or expelled

corrosion in the muffler.

Lubrication to be provided to the air motor

To maximize the life of your air motor the air supply should be

“continuous oil lubricated”. If this is not available, daily

insertion of a few drops of oil into the air line should be

included in the maintenance procedures of the plant. The

planetary gearbox (gear-sets and bearings) are a sealed unit

and typically will not require any maintenance for the life of

the machine. However, if while maintaining the motor it is

observed the gearbox is not fully packed with grease, please

contact your PowerHandling representative for details on the best course of action.

8 of 21 Sept/20

GeneralOverview

PowerHandling’s product line and features are constantly being updated and improved so please check

for more information and updates at www.powerhandling.com.

PowerHandlers are broadly categorized into two types of machines, with an optional third being

a combination of both of these:

othose that Roll( Fig. 1) (such as paper rolls, cable reels or vehicles) or

othose that Push (such as trolleys, carts etc), or

othose that Roll and Push(Fig. 2) (being a rolling model with a

Hybrid or Pusher Bracket).

Beyond this distinction there are models powered by:

oCompressed Air –having an airline connected into the back

end of the handle grip throttle; or

oRechargeable Batteries –having two battery packs, one on

the machine and one on a charger (so the machine is never “down” for recharging).

Further model distinctions apply according to:

othe size and power output of the motor, and

othe reduction of the gearing, the latter tailoring a

PowerHandler for higher torque or for higher speed to better

match the requirements of the application. In each case an

increase in one results in a corresponding reduction in the

other.

Finally, models can be further customized according to the handle assemblies and other

attachments, etc. For example ‘Roller’ models can be configured with:

oa Center Straight handle shaft (C), a

oa Swiveling handle shaft (S) or a

oa Swiveling & Pivoting handle shaft (SP)(Fig. 3).

To overcome the inertia of a heavy load, PowerHandlers require a

significant amount of traction –both with the load itself and the ground

on which it’s being moved. Regardless of the amount of power (or

specifically ‘torque’) generated, the load will not move without the

necessary traction.

PowerHandlers gain this traction by directing the weight of the load down onto the drive roller to generate

the traction that is required. In the case of moving cylindrical loads, small diameter / lighter loads can in

fact be more of a problem than larger heavier loads as the weight transfer onto the drive roller is not as

good. This problem will be apparent if the drive roller is observed to slip or spin against the load rather than

wedging in under the load and rotating it. (Please refer to the “Trouble-Shooting” section for suggestions on

how to address this issue).

Fig. 1

Fig. 2

Fig. 3

9 of 21 Sept/20

ORANGE GEARBOX

INSIDE

Model Identification (Which Model A-Series do you have?)

The images at right show the four A-Series models with the

drive roller removed to expose the air motors and inline

(color coded) gearboxes

Both the Small A-Series (A25 and A30) and Large A-Series

(A40 and A60) are each available in two versions, with the

only difference being the ratio and torque capacity of the

gearbox.

The lower reduction gearbox (color coded green) is in the

model A25S and provides more speed and less torque.

The higher reduction gearbox (color coded red) is in the

model A30S and A40S and provides more torque and less

speed.

The highest reduction gearbox (color coded orange) is in the

model A60S and provides highest torque and slowest speed.

The difference between the A25 and A30 is about 20% in

respect to performance (both torque and speed) and the

gearbox can be switched out to change to the other model if

this is found to better suit the application.

The difference between the A40 and A60 is about 30% in

respect to performance (both torque and speed) and the

gearbox can be switched out to change to the other model if

this is found to better suit the application

The Large A-Series has a wider body to accommodate the

longer air motor and provide more surface contact for better

grip on larger loads.

The swiveling “S” handle (as shown in the images above) can

be replaced with a straight Centered “C” handle shaft. Other

options available include Hybrid brackets and Pusher

brackets.

A25S

A30S

J30S

A60S

GREEN GEARBOX

INSIDE

RED GEARBOX

INSIDE

RED GEARBOX

INSIDE

A40S

J30S

10 of 21 Sept/20

IMPORTANT SAFETY NOTE:

Engaging the throttle with the quick-release clamp still loose

will cause the upper handle shaft to be expelled under

pressure from the lower handle shaft, potentially causing

injury to the operator. Always ensure the quick-release clamp

is tightened securely prior to pulling the throttle.

Figure

OperationManual

Handle Shaft Adjustment

The handle shafts of pneumatic PowerHandlers are telescoping, allowing both the height and the

orientation of the handle to be adjusted to suit each individual operator.

1. Release the Quick-Release Clamp at the sliding connection point of the handle shaft.

2. Extend or retract the upper handle shaft according to what is a comfortable working

height for each operator, making allowance for the fact that the unit needs to be tilted

back onto its rear wheels for maneuvering into position.

3. Rotate the handle grip to be pointing to the left, center or right, which will provide

different orientations of the handle grip as the handle shaft

is rotated into each of its four operating positions.

4. If loads are being rolled forwards and only from the

center of the load, the most typical handle orientation

is pointing backwards (position 1 in Figure 2). If the

operator operates the handle with the handle grip

almost always to one side, orient the handle grip to that

side. Figure 2 shows the recommended orientation for

operators using the handle swiveled right.

5. If the unit will be operated with the handle shaft rotated

to both the left and the right sides, we recommend

“motorcycle position” (position 2 in Figure 2).

Each operator may have a different preferred handle grip

orientation. This is easily and quickly adjustable for each

operator at the commencement of the device’s operation.

Figure 2

11 of 21 Sept/20

Maneuvering

To move the machine to the load, take the handle grip in hand

(without depressing the throttle) and tilt the unit back by pushing

down on the handle grip until the front support roller lifts up off the

ground. In this position the device can be easily rolled around on its

rear wheels. When in position to move a load, tilt the unit forward

again so the support roller is down and in contact with the ground

and the drive roller is in contact with the load. Depress the throttle

gradually to smoothly move the load.

Precautions to Take Before Rolling a Load

The PowerHandler should be operated on relatively level and smooth

concrete (or similar) flooring, as is typical for indoor industrial

applications. Operation on sloping (gradient) floors or on uneven

surfaces is a safety risk and not recommended.

Before moving the load, ensure the path over which the load will

travel is not occupied - by either people or obstacles. Also ensure

there is not a slope away from the load which could result in the load

free rolling faster than the PowerHandler. If possible place a “Safety

Stop” on the opposite side of the load to the PowerHandler to ensure

the load cannot move beyond the end of its intended travel.

Operators should refer to the safety procedures of the facility in which the PowerHandler is being used.

All precautions required in ensuring a clear path is available, sufficient warning or safety lock-out is put

into effect and where possible a Safety Stop or similar is in place so as to ensure moving the load will not

result in damage or injury to property or person. Appropriate caution should also be exercised in rolling

loads up inclines due to the risk of the load rolling back onto the operator or other unintended

movement of the load.

OPTION: SAFETY STOP.

PowerHandling offers an inexpensive wedge shaped

safety stop that can be moved to position conveniently

without the operator having to bend down to pick it up

or kick it into position. Its ease of use increases the

likelihood of it being used, increasing operational safety.

The removable handle shaft can be located in either of

two optional locations to suit the requirements of any

paper roll or cable reel stopping application.

HEAVY-DUTY

Wheeled

CHOCK- FOR

CABLE REELS

HEAVY-DUTY

Wheeled

CHOCK- ONLY

FOR PAPER

ROLLS

12 of 21 Sept/20

Moving the Load Forward

Once the PowerHandler has been maneuvered into position (just

behind the cable reel, paper roll, wheel or other cylindrical

surface, the operator should lift up on the handle to tilt the unit

forward onto its support roller with the drive roller in contact

with the surface of the load. Then gradually depress the lever of

the variable flow air-valve of the handle grip, accelerating the

load gradually. The further the lever is depressed, the more air

flow to the unit and more speed / torque the unit will generate.

It is generally safest to engage the air flow gradually so as to prevent the possibility of accelerating the

load too rapidly and rolling it beyond the intended travel distance (as a result of the momentum from a

rapid acceleration). This gradual acceleration is also recommended so as to reduce skidding of the drive

roller which can damage either the product being moved or the drive roller. The further the lever is

depressed, the more air flow to the unit and more speed/torque the unit will generate.

Pulling the Load Backward

If your PowerHandler has a pivoting handle system, pulling

backward is not unlike rolling forward. Maneuver your

PowerHandler to either end of the rolling load. Swivel the handle

to the outside of the rolling load and pivot it over the top of the

machine into the pulling position. It is critical that additional

caution is exercised to ensure there are no obstacles to the

operator as they walk backward, pulling the load with them.

Tripping or falling while pulling the load could result in the

operator unintentionally depressing the air-valve lever as they fall, accelerating the load backwards and

onto themselves. To minimize the risk of such circumstance, at a minimum the following additional

precautions should be implemented:

1. The path checked for obstacles or other potential encumbrances to the operator’s travel,

2. The operator walking outboard of the load being rolled backwards, and

3. A Safety Stop to be used to limit the travel of the load.

IMPORTANT SAFETY NOTE:

The PowerHandler does not in itself “control” the load it moves. It rolls the load forwards

but without braking or controlling that movement. Therefore precautions must be taken

to ensure the load does not roll forward further than intended, causing damage or injury

to others. Use of a Safety Stop is one recommended procedure. Note that whatever

method is used, the onus of safety is on the operator to ensure there are no risks involved

with the intended move.

13 of 21 Sept/20

TroubleShootingGuide

The Drive Roller turns unengaged but won’t move the load

Determine whether the issue is:

A) TORQUE (drive roller stops turning when engaged with the load) or

B) GRIP or TRACTION (drive roller spins against the load, not moving it),

… and then read the appropriate suggestions for that problem below.

A) TORQUE - The drive roller stops turning when it engages with the

load

This is typically because of insufficient torque being provided to the drive roller and can occur for a

number of reasons.

Check the unloaded rpm of the motor and compare to what it should be (see below). On air

machines power is represented by both torque and speed so an underperforming machine

will turn more slowly, even unloaded.

For additional information on checking the RPM of your machine please see PowerHandling

RPM Test Procedure RPM/RM1.

A25 speed should be 84 rpm.

A30 speed should be 62 rpm.

A40 speed should be 57 rpm.

A60 speed should be 34 rpm.

T40 speed should be 39 rpm.

If the rpm for your model is within 5% of the number shown above the machine should be

performing (i.e. be capable of moving and/or lifting the loads) as per the Data Sheet. If not,

please contact your PowerHandling representative to investigate further.

If the rpm for your model is more than 5% under the number shown above then please

progress through the following trouble-shooting suggestions:

1. The drive roller urethane may have delaminated (i.e. separated) from the drive roll core.

This would give the impression the drive roll is not turning when in fact the core is, but

the polyurethane that should be bonded to it has separated and is not turning with it.

Look at the side of the machine to see if the drive roller core is turning while the

urethane surface is not.

2. The air lines and/or air connectors are not large enough size.

3. The air pressure and/or volume of the air supply are not great enough.

4. The vanes on the motor are blocked by debris or they are too dry.

5. The rotor of the motor has rusted or is otherwise scarred or damaged.

14 of 21 Sept/20

6. The muffler/exhaust is not clear, which causes back-pressure. Look for dry oil deposits

or debris in the muffler material that may be inhibiting the exhausting of air. This may

require cleaning and/or if necessary, replacement of the muffler material

7. The sprockets & chains (if applicable) are in poor condition. There’s too much slack in

the chain (stretched chain) or worn/broken sprocket teeth. If parts are damaged,

replace all sprockets & chains together. Do not replace parts separately.

8. The shaft of the motor-gearbox has been damaged (failed key or keyway).

9. There is another mechanical failure or blockage, such as the drive roller is jammed, the

drive chain has broken, a bearing has seized or failed, etc.

B) GRIP - The drive roller spins against the load instead of moving it

This is typically because of insufficient traction between the drive roller and the load being moved and

can occur for a number of reasons, including:

On a brand new machine, there can be a problem with initial grip until the drive roller

becomes “worn in”. This is a temporary condition that can be remedied quickly. The best

way to “wear in” the drive roller is to use it – on loads that do not slip (e.g. larger diameter).

Using it on rolls or other product that does slip will shine up the urethane surface, delaying

the roller wearing in.

The geometry may be accentuating an existing traction problem. Reference the explanation

in the ‘General Overview’ section describing how too small of a diameter load results in less

of the inertial resistance of the load pushing downward (vertical) instead of backward

(horizontal). A small diameter can be moved if there is sufficient friction contact and a large

diameter load can be moved even with very little friction contact, but the combination of a

small diameter and low friction greatly increases the likelihood of slipping. Generally, the

load’s diameter should be > 1000mm (40”).

The drive roller has oil, grease or other low viscosity material embedded into or otherwise

making contact with it, reducing its ability to achieve a friction contact. As the drive roller

makes pressure contact with the support roller while the machine is operating, oil and/or

grease may be picked up from the floor and deposited onto the drive roller in which case the

rollers will need to be cleaned with an appropriate oil dissolving solvent or detergent.

To address low friction issues and reduce the impact of lubricants that end up interfering

with the rollers, the application of Borax (Hydrated Sodium borate –an inexpensive cleaning

agent, ref www.borax.com) to the drive roller can help. All new PowerHandlers and

replacement drive rollers are sent out with Borax already applied.

PowerHandling also offers special low durometer / high grip polyurethane drive rollers for

special applications. These softer rollers will typically not wear as well and so not last as long

at the higher durometer (i.e. harder) polyurethane rollers that PowerHandling provides as

standard.

For more information on servicing your PowerHandler please check the Mechanical

Maintenance Procedures Section.

15 of 21 Sept/20

RPMTestProcedure

The first step in troubleshooting most performance problem with a PowerHandler is to check whether the

unit is running at its design speed. This is a quick and simple check to do and requires only a means of

marking the drive roller, a means for counting seconds and about 2 minutes of your time.

Why we want to do this test and why it helps

For pneumatic machines, if insufficient air pressure or volume is being supplied or if there is a mechanical or

other machine problem, it will likely be evidenced by a slower RPM (revolutions per minute). Likewise for

battery-powered machines if the battery is not maintaining the required voltage or other mechanical or

electrical issues exist, the RPM will likely be lower. If a PowerHandler does not appear to roll or lift a load

that it should be able to, the starting point should be “is the machine performing as it should be?”.

Depending on the outcome of this quick test, different paths exist to find the actual solution.

The Test

With the PowerHandler “in situ” – being in the plant and connected to the airline it should operate on (air

machines) or with a fully charged battery pack (battery machines) do the following:

1. Mark the drive roller with the felt tip pen.

2. Pivot the machine back onto its rear wheels, so that the drive roller is out of contact with the

support roller and the support roller is lifted off the ground. (I.e., we want a ‘no-load’ RPM test).

3. Depress the throttle to full/100% speed and the unit has reached its maximum speed, start the

stopwatch as the felt tip mark passes its highest (12 o’clock) position. Then count 10 revolutions and

as the mark again reaches the 12 o’clock position, stop the watch.

4. Immediately repeat above step again and assuming the count is similar, take the average and refer

to the table below to determine the performance of the machine vs. its design speed/RPM.

UNLOADED MACHINE SPEEDS

TYPE MODEL RPM Seconds per 10

Rev's Ft/Min M/Min

AIR

MACHINES

A25 / A30 84 / 62 7.1 / 9.7 72 / 53 22 / 16

A40 / A60 57 / 39 10.5 / 15.4 49 / 34 15 / 10

Interpreting the Results

If the unloaded RPM is within 5% of the values in the table, we consider this acceptable and unlikely to be a

major issue. If it is above 5%, please firstly refer to the trouble-shooting guide in your machine’s Operator

and Maintenance Manual or advise PowerHandling so we can help trouble-shoot the issue. PowerHandling

checks and records the RPM of every machine it builds or repairs (in addition to test running the machine on

a paper roll). This can be used as a comparison to what RPM you measure.

16 of 21 Sept/20

AirMotorVaneKitMaintenanceandReplacementProcedures:

◄Figure 1

Using a 5mm Allen wrench,

remove the muffler bolt.

►Figure 2

Gently pry/pull the muffler off the

motor. Some resistance will be felt

due to the integral O-rings.

◄Figure 3

Pull the muffler back until

the air line (Figure 4) is fully

extended.

►Figure 4

Using pliers and a screwdriver or

equivalent, simultaneously press in the

release ring on the air line fitting and pull

the air line out of the fitting.

◄Figure 5

Remove the muffler completely from the air

motor. Note the orientation of the slot in the

motor for later re-assembly.

►Figure 6

Using a 5mm Allen wrench, remove the 6

bolts retaining the bearing housing.

17 of 21 Sept/20

◄Figure 7

Remove the bearing housing.

►Figure 8

PowerHandler shown with

bearing housing removed.

◄Figure 9

With a 4mm Allen wrench, remove

the front bolt on the motor side of

the tip preventer.

►Figure 10

Loosen the rear bolt on the motor

side of the tip preventer.

◄Figure 11

Rotate the tip preventer side

plate back.

►Figure 12

Using a 5mm Allen wrench, remove

the muffler retainer bolts.

◄Figure 13

Remove the muffler retainer.

18 of 21 Sept/20

◄Figure 14

Using a 5mm Allen wrench, remove

the bolts holding the motor mount

into the machine.

►Figure 15

While supporting the drive roller,

slide the motor mount assembly

out of the PowerHandler.

◄Figure 16

You may need to gently tap the

gearbox from the far side to get it

out of the drive roller.

►Figure 17

Remove the drive roller from the machine and

set aside. If your drive roller is worn, you may

want to replace it as part of your preventative

maintenance cycle.

◄Figure 18

Using a 6mm Allen wrench, remove

the bolts holding the motor and

gearbox in the motor mount.

►Figure 19

Remove the motor mount from

the motor and gearbox.

19 of 21 Sept/20

►Figure 21

Unthread the motor from the

gearbox. Please note –this is

a reverse thread.

◄Figure 22

Motor and motor housing shown

removed from the gearbox.

►Figure 23

Remove the motor retention set

screw from the motor housing.

◄Figure 24

Slide the motor out of

the motor housing.

►Figure 25

Motor shown with motor

housing removed.

◄Figure 26

Gently tap the end of the motor

shaft to release the air rotor from

the rotor housing.

◄Figure 20

Motor and gearbox shown with

the motor mount removed.

20 of 21 Sept/20

◄Figure 27

The vanes are housed in

slots in the air rotor.

►Figure 28

Remove and replace the vanes.

◄Figure 29

Check the rotor housing for any damage or

grooving that will reduce the life of your vane kit.

Significant roughness on the rotor housing will

require motor replacement.

►Figure 30

When re-assembling the motor,

the shaft end pin is short and the

other end has a long pin.

◄Figure 31

A socket can be used to support the bearing for

tapping/pressing the motor assembly back

together. Verify the motor rotates freely and is

not over-pressed.

►Figure 32

Reassemble the machine in the reverse

order. Care must be taken to align the

motor and gearbox assembly such that the

muffler retention bolt goes in the slot in

the motor housing.

Muffler retention slot

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