ARO 8212-1B series Manuel de l'opérateur - Page 6

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MODEL IDENTIFICATION

MODEL

NUMBER

7015-11

RPM

LEVER

END

CYLINDER

MOTOR

COLLET

THROTTLE

HOUSING

ASSEMBLY

(ITEM 9)

(ITEM 12)

PLATE

ASS'Y

(ITEM 31

CAPACITY

(ITEM 17)

(ITEM 21)

or 35

18,000

LEVER

43582

43583

31023

30750

30612

33804

39954-3

37431-3

3/16" - 1/4"

7015-11-EU

18,000

LEVER

49940

46941

47052

30750

30912

33804

39959-3

37431-3

5-6mm

8212-1B

21,000

LEVER

43602

43583

31023

37968

30612-1

43581

41753-3

41750-3

1/4"

8212-1B-EU

21,000

LEVER

49640

49641

47052

37956

30612-1

43581

41753-12

41750-12

6mm

8213-1B

21,000

BUTTON

43685

43584

37956

30912-1

43581

41753-3

41750-3

1/4"

CANCELLED MODELS

MODELS WITH -EU SUFFIX ARE "EC" COMPLIANT MODELS.

DISASSEMBLY/ASSEMBLY

INSTRUCTIONS

Never apply excessive

pressure by a holding device which

may cause distortion of a part.

Apply pressure evenly to parts which have a press fit.

Apply even pressure to the bearing race that will be press

fitted to the mating part.

Use correct tools and fixtures when servicing this tool.

Don't damage "0" rings when servicing tool.

Use only genuine ARO replacement

parts for this tool. When

ordering, specify part number, description, tool model number

and serial number.

THROTTLE

DlSASSEMBLY

Secure tool in a suitable holding device, locating on flats of

valve housing.

Unthread and remove valve plug (1) and "0" ring (2).

Regulator (4), "0" ring (3), spring (5) and valve stem (7 or 8),

with "0" ring (6), can now be removed from housing.

THROTTLE

ASSEMBLY

Lubricate and assemble "0" ring (6) to valve stem.

Assemble valve stem, spring (5) regulator (4) and "0" ring (3)

to housing and secure with "0" ring (2) and valve plug (1).

NOTE: When assembling

regulator (4) to housing, align hole

in regulator with air inlet of housing.

MOTOR DISASSEMBLY

Remove collet nut and Collet.

Insert a 5/32" hex wrench thru collet body (30 or 34) and en-

gage hex in end of rotor shaft.

Hold rotor shaft secure with hex wrench and remove collet

body using wrench (30131) on flats of collet body.

Secure housing and remove lock nut (29 or 33).

Remove muffler strip (27) and exhaust spacer (26).

Remove motor assembly from housing.

Tap threaded end of rotor (18) with a soft face hammer; motor

will come apart. NOTE: Bearings

are light press fit in end

plates and press fit on rotor.

MOTOR ASSEMBLY

Assemble

bearing (16) to end plate (17) pressing on outer

race of bearing.

Assemble end plate (17) to rotor (18) pressing on inner race

of bearing.

Coat rotor blades (19) with ARO 29665 spindle oil and as-

semble to rotor slots - straight side out.

Coat i.d. of cylinder (21) with ARO 29665 spindle oil and as-

semble over rotor. NOTE: Roll pin (20) must be aligned with

.116" diameter hole in end plate (17).

Assemble

spacer (23) and bearing

(24) to end plate (22).

pressing on outer race of bearing.

Assemble

end plate (22) to rotor, pressing on inner race of

bearing. Be sure rotor turns without binding. If rotor binds, tap

threaded end lightly with a soft face hammer to loosen.

Assemble

shield (15) and cap (14) to end plate (17).

Assemble

spacer (25) - models 7015-11-(

) only - to rotor

shaft.

Assemble collet body to rotor shaft and tighten securely.

Assemble

motor to housing.

Assemble "0" ring (28) muffler strip (27) and exhaust spacer

(26) to lock nut (29 or 33) and assemble lock nut to housing,

securing motor.

Assemble collet and collet nut to collet body.

47052 LOCK-OFF

LEVER ASSEMBLY

Y178-6 ROLL PIN

45778 SPRING

47204 LEVER

NOT SHOWN

ROLL PIN 48548