ARO AS058A Посібник оператора - Сторінка 9

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DISASSEMBLY/ASSEMBLY

INSTRUCTIONS

_ Coat five rotor blades (53) with ARO 29665 spindle oil and as-

semble to rotor slots - straight side out.

Coat i.d. of cylinder (54) with ARO 29665 spindle oil and as-

semble over rotor, aligning air inlet slots of cylinder with air inlet

slots in end plate (50 or 57).

_ Assemble bearing (56) to end plate (55) pressing on outer

race of bearing.

_ Assemble end plate (55) to rotor, pressing on inner race of

bearing. Be sure rotor turns without binding.

Insert locating pin (58 or 61) 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 pin.

_ Grease and assemble "0" ring (59) to end plate (55).

_ Assemble spacer (60) to motor.

_ Assemble gearing and clutch to tool.

LEVER THROTTLE

HOUSING DISASSEMBLY

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

Using a strap type wrench, unthread housing (15).

Remove spacer (3) diffuser washer (4) exhaust cap (5) filler

(6) spring (7) and valve assembly (8).

Remove cap (21) and spring (19) releasing valve stem (18).

Remove valve block (10) and spring (11), releasing valve as-

sembly (12). CAUTION: Do not remove or adjust rubber por-

tion of valve assemblies (8 and 12) as they are preset at the

factory.

Remove "0" ring (13) and reverse sleeve (14) releasing valve

body (17) and spring (16).

LEVER THROTTLE

HOUSING

ASSEMBLY

Assemble spring (16) to housing, securing with valve body

(17).

Assemble reverse sleeve (14) and "0" ring (13) to housing,

securing valve body.

Grease and assemble "0" ring (9) to valve block (10).

Assemble valve assembly (12) and spring (11) to housing, se-

curing with valve block (10). NOTE: Assemble valve block

(10) with counterbore towards cap (21).

Grease and assemble "0" ring (20) to cap (21).

Assemble valve stem (18) and spring (19) to housing, secur-

ing with cap (21). NOTE: Assemble valve stem (18) with slot

turned to accept valve assembly (8).

Assemble filler (6) and exhaust cap (5) to housing, aligning le-

ver with valve stem (18).

Assemble valve assembly (6) to housing, being certain valve

assembly seats in slot in valve stem (18).

Assemble spring (7) to housing, securing with diffuser washer

(4) spacer (3) and inlet adapter (2).

Clean and install screen (1) in inlet adapter.

PISTOL GRIP HOUSING

DISASSEMBLY

Remove end cap (32) and "0" ring (33) releasing spring (34)

M30

and valve rod (35).

Remove top cap (39) and "0" ring (38) releasing spring (37)

and reverse valve (36).

Do not remove roll pin (47) or bushing (46) unless damage is

evident. To remove, press thru to reverse valve cavity.

To remove trigger (44) or button (46) drive pin (40) out of

housing, releasing trigger (44) or button (46) reverse cam

(43) and springs (41).

MODELS AG054A-( ): Remove plug (119) from reverse cam

(43).

MODELS AG057A-() and AG058A-(): Remove "0" ring (42)

releasing trigger (44) from reverse cam (43).

Remove inlet adapter (25) and screen (1).

MODELS AG057A-( ) and AG058A-( ): Remove spring (26)

and valve rod (27).

Remove retaining ring (29) releasing screen (30) and muffling

(31).

PISTOL GRIP HOUSING

ASSEMBLY

Assemble muffling (31) and screen (30) into housing, secur-

ing with retaining ring (29).

MODELS AG057A-( ) and AG058A-( ): Coat valve rod (27)

with ARO 29665 spindle oil and assemble valve rod and

spring (26) into housing.

Assemble inlet adapter (25) to tool.

Clean and replace screen (1) in inlet adapter.

Coat trigger (44) or button (46) with ARO 29665 spindle oil and

assemble to reverse cam (43).

MODELS AG057A-( ) and AG058A-( ): Grease and as-

semble "0" ring (42) to trigger (44).

MODELS AG054A-( ): Assemble plug (119) to reverse cam

(43).

Assemble springs (41) to reverse cam, flat side away from re-

verse cam, and assemble reverse cam and components to

housing, aligning holes in trigger and housing.

Assemble pin (40) to housing, securing reverse cam and trig-

ger.

Assemble bushing (46) to housing, pressing flush with coun-

terbore in bottom of motor cavity.

Assemble roll pin (47) to housing, pressing flush with bottom

of motor cavity.

Coat reverse valve (36) with ARO 29665 spindle oil and as-

semble into housing, aligning slot in reverse valve with roll pin

(47).

Assemble spring (37) to housing.

Grease and assemble "0" ring (38) to top cap (39) and as-

semble cap to housing, securing spring (37) and reverse

valve (36).

Coat valve rod (35) with ARO 29665 spindle oil and assemble

to housing.

Assemble spring (34) to housing, where applicable.

Grease and assemble "0" ring (33) to end cap (32) and as-

semble cap to housing, securing valve rod and spring.