Erskine attachments 1070608 User manual

Heavy-Duty Mower

For

Skid Steer Loaders

Serial number 1070608 and later

Operator’s Manual

Maintenance

Parts Information

Read this Manual Before Use

2

TABLE OF CONTENTS

REFERENCE INFORMATION

Write the serial number for your attachment in the spaces below. Always refer to this serial

number when calling for service or parts.

Serial Number………….._____________

YOUR ATTACHMENTS DEALER

ADDRESS:

PHONE:

CONTACT:

SAFETY

3-4

SERIAL NUMBER/DECAL LOCATION

5-6

MOUNTING INSTRUCTIONS

7-8

OPERATING INSTRUCTIONS

9-10

ROUTINE MAINTENANCE

11-13

PARTS INFORMATION

14-15

GENERAL SPECIFICATIONS

16

NOTES

17-18

WARRANTY

19

NOTE: Erskine Attachments LLC reserves the right to make

improvements in design or changes in specifications at any time

without notice and without incurring any obligations to install them on

units previously sold.

3

The user is responsible for inspecting the machine

daily, and for having parts repaired or replaced

when continued use of the machine would cause

damage, excessive wear to other parts or make the

machine unsafe for continued operation.

If an operating procedure, tool device, maintenance

or work method not specifically recommended is

used; you must satisfy yourself that it is safe for you

and others. You must also ensure that the

attachment will not be damaged or made unsafe by

the procedures you choose.

Erskine Attachments LLC cannot anticipate every

possible circumstance that might involve potential

hazard. The safety messages found in this manual

and on the machine are therefore not all inclusive

The signal words CAUTION, WARNING, or

DANGER are used to indicate hazards.

Indicates a potentially

hazardous situation which, if not avoided,

may result in minor or moderate injury.

Indicates a potentially

hazardous situation which, if not avoided,

could result in death or serious injury.

Indicates a potentially

hazardous situation which, if not avoided,

will result in death or serious injury.



The word IMPORTANT is used in the text when

immediate damage will occur due to improper

technique or operation.



The word NOTE is used to convey information that

is out of context with the manual text; special

information such as specifications, techniques,

reference information, and other information of a

supplementary nature.

SAFETY

DO NOT use or perform maintenance on this machine until this manual has

been read and understood. In addition, read the Operation and Maintenance

Manual(s) pertaining to the attachment and the attachment carrier (“Loader”).

4

Improper operation can cause serious

injury or death.

Pre-operation

This attachment is designed for mowing small

trees, grass, and brush only. NEVER use this

machine for any other purpose.

Read the operator’s manual for the “Skid Steer

Loader.”NEVER allow untrained people to

operate.

Operating instructions must be given to everyone

before operating this attachment and at least

once a year thereafter in accordance with OSHA

regulations.

NEVER exceed the maximum recommended

input power or speed specifications for the

attachment. Over-powering or over-speeding the

attachment may cause personal injury and/or

machine damage.

Keep all shields, guards, and covers in place.

Do not modify equipment or add attachments that

are not approved by Erskine Attachments LLC.

Use adequate safety warning lights and devices

as required by local regulations. Obey all local

laws and regulations regarding machine

operation on public property.

Operation

To protect the operator from debris and cab

intrusion, loader must have polycarbonate or

similar strength door and door must be closed in

order to operate the attachment.

Hydraulic connections may be hot after use. Use

gloves if connecting or disconnecting after use.

Check and be sure all operating controls are in

neutral before starting the engine.

Keep people away from loader, attachment and

discharge when in use. This attachment sends

objects flying and has rotating parts. NEVER

direct discharge toward people –rocks and

debris can be thrown hundreds of feet.

SAFETY

Operation (continued)

NEVER operate near embankments or terrain

that is so steep that rollover could occur.

Always stay in the operator position when using

the attachment.

Before leaving the operators position, disengage

hydraulic drive, lower the attachment to rest flat

on the ground, stop engine, set park brake, and

wait for all motion to stop.

NEVER place hands in the discharge area or

clear debris while engine is running.

Avoid High Pressure Fluids Hazard

Escaping fluid under pressure can

penetrate the skin causing serious

injury.

Avoid the hazard by relieving the

pressure before disconnecting

hydraulic lines.

Use a piece of paper or cardboard, NOT BODY

PARTS, to check for suspected leaks. Wear

protective gloves and safety glasses or goggles

when servicing or performing maintenance on

hydraulic systems.

If an accident occurs, see a doctor immediately.

Any fluid injected into the skin must be

surgically removed within a few hours or

gangrene may result.

Maintenance

NEVER make adjustments, lubricate, clean, or

perform any service on the machine while it is in

operation.

Make sure the attachment is serviced on a daily

basis. Improper maintenance can cause

serious injury or death in addition to damage to

the attachment and/or your equipment.

5

SERIAL NUMBER AND SAFETY DECAL LOCATIONS

Serial Number Location:

It is important to refer to the serial number of your attachment when making repairs or ordering parts. Early or

later models (identification made by serial number) may use different parts, or it may be necessary to use

different procedures in doing a specific operation. Serial number plate is located on the right side of deck.

Location: Next to blade bolt access cover

Part Number: 314095 Quantity: 1

A

6

SERIAL NUMBER AND SAFETY DECAL LOCATIONS

B

C

D

G

Location: Rear top of shield

Part Number: 314158 Quantity: 1

1

Location: Top of cover

Part Number: 314092 Quantity: 1

Part number: 202153 (Anti-skid tape 2 x 16)

Location: Top of deck Quantity: 3

E

F

Location: Both sides of shield

Part Number: 400493 Quantity: 2

Location: Top of deck (L and R)

Part number: 314094 Quantity: 2

Location: Next to blade bolt access cover

Part Number: 200001 Quantity: 1

H

Safety Decals Locations:

The locations of the safety decals are shown. If these

decals are missing, damaged, or painted over they

must be replaced. Call Erskine Attachments LLC

(218-435-4045) for replacement decals.

Part number: 300598

Location: On shield near hose hole

Quantity: 1

Large Brand Decal

Location: On center of front shield

Quantity: 1

7

MOUNTING INSTRUCTIONS

After uncrating the attachment, use the following procedure to mount the Mega Mower to the loader.

1. Use the step, treads, and grab handles to

get on and off the loader and brush mower.

2. Sitting in the operator’s seat, lower seat bar

and fasten the seat belt.

3. Drive the loader to the rear of the brush

mower. Put the loader quick attach coupler

into the brush mower mounting bracket.

4. Tilt the loader coupler backward a small

amount until it is fully engaged in the brush

mower mounting bracket.

5. Stop the engine and engage the park brake.

6. Secure the coupler locking mechanism that

attaches the brush mower to the loader.

Coupler wedges or pins

must extend through the holes in the

attachment mounting plate. Levers

must be fully down and locked. Failure

to secure wedges or pins can allow

attachment to come off and cause injury

or death.

7. Route the lift limit chain over the boom

cross-member and down through a hole in

the front frame. Then latch the end of the

chain back to itself allowing for some slack.

Make sure the chain will not contact the

rotating blades when mowing in reverse.

Lift limit chain must be

installed to limit the total lift height of

the attachment to less than 12 inches

(300 mm). Failure to install the lift limit

chain can increase the risk of

dangerous flying debris being thrown at

the cab causing serious injury or death.

8

MOUNTING INSTRUCTIONS

8. Connect the hydraulic quick couplers from

the attachment to the loader.

Be sure to thread the hoses through the

hose holder on the loader arm, if so

equipped. If no hose holders are installed,

contact the dealer that services your loader

for assistance. Bungee straps can be used

as an alternate method of securing the

hoses.

IMPORTANT: Make sure the quick couplers

are fully engaged. If the quick couplers do

not fully engage, check to see that the

couplers are the same size and brand. Do

not force the quick couplers together.

IMPORTANT: Wipe the ends of the hydraulic

quick couplers (both lead and loader) with a

rag to remove any possible contamination.

Contamination can cause hydraulic

components to fail and is not covered under

warranty.

NOTE: Attachment is shipped with 12FJX (1-

1/16” Female JIC Swivel) fittings on the ends

of the lead hoses.

9. Make sure the hoses are properly routed to

fit your specific loader. If the hoses are not

routed correctly, hoses may get pinched or

rub on tires. Be sure to check the hose

routing through the full range of intended

motion of the attachment before operating it.

More than one routing may be acceptable

depending on the loader. Pick the routing

that best suits your loader.

IMPORTANT: Proper hose routing is the

responsibility of the owner and/or operator.

Pinched or stretched hoses are not covered

under warranty.

IMPORTANT: Make sure the pressurized hose

is routed to the “A” port of the motor valve block.

If it isn’t, the mower will not operate (see page

10). See loader’s operator’s manual for details

on identifying the pressurized hydraulic coupler.

NOTE: If you are operating the loader controls

correctly and the mower still does not work, try

switching the hydraulic couplers around on the

mower lead hoses. This will effectively reverse

the flow to the motor.

Mounting is now complete and you are ready to

use the attachment. Use reverse order of above

instructions to dismount the attachment from the

loader.

9

OPERATING INSTRUCTIONS

Never operate without lift limit chain installed. Never modify the lift limit chain. To reduce

the risk of injury or death check that is operating properly when you first use a machine, after service, or

anytime someone may have disconnected the lift limit chain.

The type of brush being cut and the ground

conditions will determine the best ground speed and

cutting procedure. The brush mower is designed to

cut short or tall grass, brush and small trees.

IMPORTANT: Before operating the attachment,

perform the service schedule for routine

maintenance.

1. Inspect the cutting area for obstructions such as

stumps, wire, rocks, electrical lines, debris, drop

offs, holes, etc. Remove obstructions from the

cutting area that might be picked up and thrown.

2. With the operator in the seat of the loader, the

seat belt fastened and the seat bar lowered (if so

equipped), start the engine.

To improve stability, always

carry attachment low to the ground while

driving.

3. Activate the auxiliary hydraulic system to start

the blade rotation. Make sure auxiliary hydraulic

circuit is operating in the correct direction.

IMPORTANT: Engine must be at idle speed

when engaging auxiliary hydraulic system.

IMPORTANT: This mower is designed to

operate from 30 to 42 gpm. Operating at higher

flow rates can cause serious damage to the

mower and will void the warranty.

IMPORTANT: Do not operate the brush mower if

excessive vibration is present. Serious damage

can occur. Check blades and gearbox.

NOTE: Certain loaders may not operate in high

flow mode without special wire harnesses.

Others require the control switches to be

operated in a specific way. It may also be

necessary to switch the hose couplers around to

match your loader. (See loader’s operator’s

manual)

4. With the loader boom lowered all the way

and the auxiliary hydraulics engaged, slowly

rotate the loader coupler forward until the

skid plates are parallel to the ground.

NOTE: It may be helpful in certain instances

to keep the front of the mower raised slightly.

5. If desired, the loader lift arms can be put in

the float position. (See loader’s operator’s

manual.)

6. Drive the loader forward into the work area.

NOTE: Raising the front of the brush mower a

few inches may help while driving forward into

thick brush and when turning.

10

OPERATING INSTRUCTIONS

Brake Circuit

The mower is equipped with a shutdown braking

circuit that stops the blade rotation in an

abbreviated amount of time. This is controlled with

the pressure relief valve in the valve block.

Do not operate the brush mower

with the brake circuit disabled or if

malfunctioning. Never exit the loader when

the blade is still moving. If you think your

brake circuit is not functioning correctly have

it serviced.

IMPORTANT: Do not adjust the pressure relief

valve under any circumstances. This could cause

an unsafe braking condition and will void all

warranties.

IMPORTANT: Make sure the pressurized hose is

routed to the “A” port of the motor valve block. If it

isn’t, the mower will not operate.

See loader’s operator’s manual for details on

identifying the pressurized hydraulic coupler.

NOTE: If you are operating the loader controls

correctly and the mower still does not work, try

switching the hydraulic couplers around on the

mower lead hoses. This will effectively reverse

the flow to the motor.

11

___ _ROUTINE MAINTENANCE_________________

Lower the attachment to rest on the skid shoes and rear roller, shut down the engine,

relieve the hydraulic pressure to the attachment, wait for all motion to stop, and set park brake before

leaving the operator’s seat to perform service of any kind.

It is the operator’s responsibility to make daily inspections of the attachment and loader for damage, loose

bolts, fluid leaks, or anything else that could cause a potential service or safety problem. Preventive

maintenance is the easiest and least expensive type of maintenance.

IMPORTANT: Bolts and set screws can loosen after initial usage. After first hour of operation check all bolts

and set screws. This must also be done daily before operation. If nuts or bolts are missing or damaged,

replace immediately.

DAILY INSPECTION

Follow the rotary cutter service schedule for routine maintenance.

Check the following items every 4 hours of operation:

1. Check lift chain and shackle for damage or defects.

2. Check blades for cracks or damage. Replace in sets of three if necessary.

3. Check blade mounting hardware for proper torque of 1000ft. lbs. (1355Nm). Tap bolt head with

hammer and retorque.

4. Check all hardware. Retighten if necessary.

5. Check chains, deck, and shields. Repair if damaged or replace if necessary.

6. Check for damaged or missing decals. Replace if missing.

7. Check for damaged or leaking hydraulic hoses or fittings. Replace if necessary.

8. Clean debris, leaves, grass, and flammable material from deck area and under covers.

9. Check lubrication level in gearbox. Use 75W-90 gearlube or equivalent for ambient temperatures of

-5F to 60F. Use 85W-140 gearlube or equivalent for ambient temperatures of 40F to 120F.

Capacity is 60oz approximately.

10. Check that the antiskid treads are in good condition.

4

BLADE BOLTS

12

ROUTINE MAINTENANCE

Blade Inspection, Removal and Installation

Inspection:

1. Check that the blades can swing freely.

Also check blades, mounting hardware,

and stump jumper for wear, cracking, or

breakage, which can cause excessive

vibrations.

2. Replace if damaged.

Removal:

Only service the blades when brush mower is

attached to the loader.

1. Remove the (2) bolts securing the Blade

Nut Access Cover, and remove the cover.

2. Rotate the stump jumper until the bolt is

aligned with the access hole.

3. Remove the locknut from the blade bolt.

NOTE: Blade bolt and blade may fall from

the stump jumper when removing the blade

locknut. Always support the blade bolt and

blade while removing the locknut.

Installation:

1. Always use a new locknut and bolt during

assembly.

2. Tighten the locknut to 1000 ft. lbs. (1355

Nm) torque. Tap bolt head with a hammer

and retorque. Repeat procedure until the

locknut will not turn when torqued. Repeat

the procedure for the other blade.

NOTE: The blade bolt fits only one way into

the stump jumper. Install the washer

between the blade and the stump jumper.

Blade Carrier Removal

Before removing the blade carrier, make sure

the mower is held in a secure position. We

recommend tipping the mower up on its nose

with a hoist.

1. Remove the three bolts that retain the

cover.

2. Remove the nut locking plate and hub nut.

3. Secure the carrier with a chain hoist and

use a puller to free the carrier from the

gearbox shaft being sure not to let it fall.

NOTE: When reinstalling the hub nut,

torque to 800 ft-lbs.

Gearbox Fluid Check and Fill

1. Position the Brush Mower flat on the

ground.

2. Remove the top shield to gain access to

the gearbox cavity.

Moving parts may cause

injury or death. Always replace guard

after servicing. Do not operate without

cover in place.

3. Look at the oil level sight gauge on the

right side of the gearbox. Fluid must be

level with the check plug hole.

4. To add EP80W-90 or EP85W-140, remove

the fill plug and add lube until it is level with

the check sight gauge hole.

5. Reinstall the level check plug and the fill

plug, and clean up any oil that may have

spilled.

NOTE: Gearbox oil capacity is

approximately 60oz.

IMPORTANT: Fluids such as engine oil, gear

lube, and hydraulic fluid must be disposed of in

an environmentally safe manner. Some

regulations require that certain spills and leaks

be cleaned in a specific manner. Check local,

state, and federal regulations for the correct

disposal.

13

ROUTINE MAINTENANCE

Cleaning the Mower

To avoid injury or death,

before exiting under or servicing under the

attachment, be sure to disconnect the

auxiliary hydraulic hoses. Raise the lift

arms and tilt the attachment down fully.

Install an approved lift arm support and stop

the engine.

1. Position the attachment by raising the lift

arms and tilting the attachment down. Use

an arm lock when working with arms raised.

This may require the help of an assistant.

Refer to loader’s operator’s manual for arm

locking instructions. Keep the front edge of

the attachment within one foot of the ground

for debris clean out or blade service.

2. Exit the loader.

Always wear eye

protection that meets z87.1 when

cleaning.

3. Remove the top cover.

4. Use water or a small brush to clean debris

from the areas under the cover and around

the gearbox.

Use care when removing

any debris that is wrapped around the

blades, stump jumper, or gearbox shaft.

Blades can rotate suddenly.

5. Reinstall the top cover when clean.

Inspecting the Motor Coupler

1. Remove top shield.

2. Check the condition and tightness of the

set screw. Check for any looseness of fit

on the gearbox and motor shafts.

3. Replace as needed.

Moving parts may cause

injury or death. Always replace guard

after servicing. Do not operate without

cover in place.

Reversing Blade Rotation

The mower is equipped with double-sided

blades. When the original side gets worn down,

the valve block on the motor can be detached

and turned 180 degrees in order to change the

direction of rotation. The lead hoses do not

have to be removed to do this.

NOTE: You will have to remove the top shield

in order to access the valve block.

IMPORTANT: Take care not to lose or

damage the o-rings between the valve block

and the motor.

When both edges of the blade are excessively

worn, replace all blades.

Always replace worn blades.

Do not sharpen or weld on the blades.

Excesively worn blades can break and be

thrown hundreds of feet.

Always replace all blades with three that are

equal in weight to prevent vibration. Always

use genuine Erskinereplacement blades.

14

HEAVY DUTY MOWER PARTS INFORMATION________

ITEM

QTY

PART NO.

DESCRIPTION

STOCK NO.

1

314121

BODY 72" MEGA MOWER W/A (USED WITH RC100)

314156

BODY 72” MEGA MOWER W/A (USED WITH RC130)

2

1

314125

STUMP JUMPER MEGA MOWER W/A (FOR RC100)

300652

STUMP JUMPER MEGA MOWER W/A (FOR RC130)

300808

STUMP JUMPER FLANGED W/A (FOR RC130 FLNG)

3

314130

KIT PARTS BLADE MEGA MOWER

4

3

314065

NUT TOP LOCK 1-1/8 NF GRC

5

3

314061

WASHER HARD 1.25 ID X 4.438 OD

6

3

314126

BLADE MOWER 72 HD

7

3

314127

BOLT MOWER BLADE 5/8" THICK

9

1

314138

MOTOR HYD 11.9 CID

1

300823

MOTOR HYD 15 CID

10

6

38067

NUT HEX

TOP LOCK 3/4 NC GR9

11

1

314144

COUPLER MOWER 1.5X6T

PARTS ONLY

1

314178

COUPLER MOWER 1.5 X 1-3/4 20T

12

1

314113

COVER BOLT ACCESS PAINTED

13

1

314154

COVER MEGA MOWER W/A

14

3

202153

TAPE ANTI-SKID 2 X 16 DIE CUT

15

1

300599

NUT CASTLE M30-2 FLGD (USED WITH RC100)

1

300660

NUT CASTLE 1-1/4-14 UNS FLGD (USED WITH RC130)

18

2

103116

BOLT HEX

3/8 X 1 NC GR5

19

6

15363

BOLT HEX

3/4 X 2-1/2 NC GR8 YZ

20

14

103880

WASHER LOCK

3/8"

21

4

13212

BOLT HEX

1/2 X 2-1/4 NC GR5

22

1

37214

NUT HEX

LOCK 1/2 NC

24

1

400462

CHAIN LINK 5/16 X 5 FT

23

4

0167011

NUT FLG TOP LOCK

1/2 NC GR 8

25

1

400463

SHACKLE SCREW PIN 3/8

26

1

33012

WASHER FLAT

1/2"

27

1

13210

BOLT HEX

1/2 X 1-3/4 NC GR5

28.1

2

314075

HOSE 3/4 X 82 12MB-12FJX (LEAD)

RED ZIP TIE TO PORT A

29

8

23313

BOLT SHCS 3/8 X 2-1/2 NC PLAIN

OBSOLETE

8

23315

BOLT SHCS 3/8 X 3 NC

REPLACED 23313

30

1

314199

SHIELD HUB W/A OBSOLETE

31

3

13365

BOLT HEX (USE THREAD LOCKER) OBSOLETE

3/4 X 3 NC GR5

32

3

33632

WASHER LOCK OBSOLETE

3/4"

33

1

314128

GEARBOX RC100 OBLT

PARTS ONLY

1

300593

GEARBOX RC130 –6T OBSOLETE

PARTS ONLY

1

300667

GEARBOX RC130 –20T OBSOLETE

1

300817

GEARBOX RA RC130 1:1.43 20T FLNG (60oz of 80W-90)

34

6

15364

BOLT HEX 3/4 X 2-3/4 NC GR8

REPLACED 15365

6

15365

BOLT HEX 3/4 X 3 NC GR8

35

1

330958

VALVE ASSM RELIEF MANI MNT W/C

REPLACED 300822

1

300822

VALVE ASSM RELIEF MANI MNT W/C OBSOLETE

REPLACED 314157

1

314157

VALVE BLOCK ASSM OBSOLETE

35.1

1

300291

VALVE RELIEF OBSOLETE

1

300795

VALVE RELIEF

35.2

1

330814

ADPT STR 12MB-12FB CHECK

36

2

314155

O-RING - 1" X 1/8" (USE WITH VALVE 300822 ONLY)

OBSOLETE

37

1

300574

PLATE NUT LOCK 1.81 HEX OBLT (USED WITH RC100)

1

300575

PLATE NUT LOCK 2.00 HEX OBLT (USED WITH RC130)

1

300728

PLATE NUT LOCK 2.0 HEX W/A (REPLACES 300575)

38

6

33864

WASHER FLAT USS 3/4 GR 8 OBSOLETE

(USED WITH 15365)

39

6

33898

WASHER LOCK 3/4 GR 8

41

12

13107

BOLT HEX

3/8 X 1-1/4 NC GR5

15

HEAVY DUTY MOWER PARTS INFORMATION

OLD STYLE

16

GENERAL SPECIFICATIONS

Model

Mega Mower

Mounting Plate

Universal

Hydraulic Pump Capacity Requirements

30 to 42 GPM

Operating Weight

1535 lbs.

Cutting Diameter

72”

Cutter Capacity

material up to 6”

Overall Width

77”

Overall Length

85.5”

Overall Height

30”

17

____________________________________________________

NOTES

18

____________________________________________________

NOTES

19

LIMITED WARRANTY

Erskine Attachments, LLC warrants each new machine manufactured by us to be free from

defects in material and workmanship for a period of twelve (12) months from date of delivery to

the original purchaser.

Our obligation under this warranty is to replace free of charge, at our factory or authorized

dealership, any part proven defective within the stated warranty time limit.

All parts must be returned freight prepaid and adequately packaged to prevent damage in

transit.

This warranty does not cover:

1. New products which have been operated in excess of rated capacities or negligence

2. Misuse, abuse, accidents or damage due to improperly routed hoses

3. Machines which have been altered, modified or repaired in any manner not

authorized by our company

4. Previously owned equipment

5. Any ground engaging tools in which natural wear is involved, i.e. tooth tips, cutting

teeth, etc

6. Normal maintenance

7. Fork tines

8. Hydraulic motors that have been disassembled in any manner

In no event will the Sales Representative, Dealership, Erskine Attachments, LLC, or any other

company affiliated with it or them be liable for incidental or consequential damages or injuries,

including but not limited to the loss of profit, rental or substitute equipment or other commercial

loss. Purchaser’s sole and exclusive remedy being as provided here in above.

Erskine Attachments, LLC must receive immediate notification of defect and no allowance will

be made for repairs without our consent or approval.

This warranty is in lieu of all other warranties, express or implied by law or otherwise, and there

is no warranty of merchantability or fitness purpose.

No agent, employee, or representative of Erskine Attachments, LLC has any authority to bind

Erskine Attachments, LLC to any warranty except as specifically set forth herein. Any of these

limitations excluded by local law shall be deemed deleted from this warranty; all other terms

apply.

This warranty may not be enlarged or modified in any manner except in writing signed by an

executive officer of Erskine Attachments, LLC to improve its products whenever it is possible

and practical to do so. Erskine Attachments, LLC reserves the right to make changes and or

add improvements at any time without incurring any obligation to make such changes or add

such improvements to products previously sold.

Erskine Attachments, LLC

P.O. Box 1083 Alexandria, MN 56308

Phone (218) 435-4045

20

P/N 300471 Date Printed: 10/30/2018

Erskine Attachments LLC Printed in U.S.A.

Erskine Attachments 1070608 User manual

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