ARO 50 SERIES Instrukcja obsługi - Strona 5

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PART NUMBER

FOR ORDERING

PART NUMBER

FOR ORDERING

33911

46377

47205

46449

46448

46452

41654

46354

46723

46374

46296-2

Yl78-28

46326

47724

46312-l

46454

46413

48201-l

47722

Screen

.............................

Inlet Adapter

........................

Spacer

.............................

Diffuser Washer

.....................

Exhaust Cap

........................

Filler (2 req'd) .......................

Spring ..............................

Valve Rod Assembly

.................

Housing Assembly

...................

Spring ..............................

Throttle Pin .........................

Roll Pin .............................

Lever

..............................

Ball Bearing .........................

Rear End Plate ......................

Rotor ...............................

Blade (5 req'd)

......................

Cylinder

............................

Front End Plate ......................

Ball Bearing .........................

MOTOR ASSEMBLY (includes items 14 thru 20)

"0" Ring ............................

Spacer

.............................

Locating Pin .........................

Sun Gear 4.4:1 ratio (15 teeth) .........

Planet Gear (3 req'd) 4.4:l ratio (18 teeth)

Needle Bearing (6 req'd) ..............

Carrier Assembly 4.4:1 ratio ...........

Sun Gear (1 or 2 req'd) 3.43:1 ratio (21 teeth) ...

Planet Gear (3 or 6 req'd) 3.43:1 ratio (15 teeth) .

Shaft (3 req'd) .......................

Spindle 3.4: 1 ratio

...................

Ring Gear

..........................

Spacer

.............................

Ball Bearing .........................

Retaining Ring

......................

Carrier Assembly 3.43:1 ratio ..........

Y65-13

48226-1

Y325-214

46412

47723-2

46466

46900

42315

46522

46465

46899

46459

47260-2

46467-l

46496

46243

38339

46521

DISASSEMBLY/ASSEMBLY

INSTRUCTIONS

I NOTlCE

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 this tool.

Use only genuine ARO replacement

parts for this tool. When

ordering, specify part number, description, tool model number

and serial number.

GEARING

DISASSEMBLY

Using a wrench on flats of ring gear (32) and a strap wrench on

housing (9) remove ring gear from tool.

Remove retaining ring (35) from spindle.

Remove spindles and gears from ring gear. NOTE: Keep

gears grouped with mating spindle when disassembling.

Do not remove bearing (34) or spacer (33) unless damage is

evident.

To remove bearing (34) and spacer (33) from ring gear, press

on spacer (33) from inside splined end of ring gear.

Do not remove gear (28) from carrier assembly unless dam-

age is evident. Gear is press fit onto carrier assembly.

GEARING

ASSEMBLY

Assemble spacer (33) into ring gear (32).

Lubricate bearing (34) with ARO 33153 grease and assemble

into ring gear, pressing on outer race of bearing.

Coat shafts of spindles with ARO 33153 grease.

Assemble gears, containing bearings (26) to shafts of mating

spindle.

Assemble carrier assembly to spindle.

Lubricate

sets of gears liberally

with ARO 33153 grease

(approximately

1/32 oz. per reduction).

Assemble spindles and gearing into ring gear. Rotate spindle

and gears to align gear teeth with splines of ring gear.

Thread ring gear to tool and tighten with wrench on flats.

MOTOR DISASSEMBLY

Remove gearing from tool.

Remove spacer (22).

Tap front edge of housing to remove motor assembly. Locat-

ing pin (23) should also come out.

Tap drive end of rotor (16) with a soft face hammer; motor will

come apart. NOTE: Bearings are press fit on rotor.

Remove end plate (15) and bearing (14) from rotor.

MOTOR ASSEMBLY

Lubricate bearing (14) with ARO 33153 grease and assemble

to end plate (15) pressing on outer race of bearing.

Assemble end plate (15) to rotor (16) pressing on inner race

of bearing.

Coat five rotor blades (17) with ARO 29665 spindle oil and as-

semble to rotor slots - straight side out.

Coat i.d. of cylinder (18) with ARO 29665 spindle oil and as-

semble over rotor. NOTE: Air inlet slots in end of cylinder must

be aligned with two air inlet holes in end plate (15).

Assemble

bearing (20) to end plate (19), pressing on outer

race of bearing.

Assemble

end plate (19) to rotor, pressing on inner race of

bearing. Be sure rotor turns without binding.

Insert locating pin (23) into ,096" diameter blind hole at bottom

of motor cavity in housing.

Align notches of end plates and cylinder and install motor into

housing, aligning notches with locating pin (23).

Grease and assemble "0" ring (21) to end plate (19).

Assemble spacer (22) to motor.

THROTTLE

DISASSEMBLY

Clamp air inlet adapter (2) in a smooth face vise.

Unthread housing (9) with a strap type wrench.

Remove spacer (3) diffuser washer (4) exhaust cap (5) two fill-

ers (6) spring (7) and valve rod (8). CAUTION: Do not remove or

adjust rubber portion of valve rod (8) as it is preset at the factory.

Remove throttle pin (11) and spring (10).

Remove screen (1) from inlet adapter.

THROTTLE

ASSEMBLY

Install spring (10) and throttle pin (11) into housing, aligning

slot in throttle pin with air inlet holes in housing.

Install valve rod assembly (8) into housing. NOTE: Throttle pin

(11) should not pull out when throttle rod (8) is seated properly.

Install two fillers (6) to exhaust cap (5).

Install exhaust cap (5) to housing, aligning lever (13) with

throttle pin (11).

Assemble spring (7) into housing.

Assemble diffuser washer (4) and spacer (3) to housing, se-

curing with inlet adapter (2).

Clean and replace screen (1) in inlet adapter.