ARO 7845-E Manuale dell'operatore - Pagina 9

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HEAD SECTION

PISTOL GRIP

M20

DISASSEMBLY

ASSEMBLY

a. Remove adapter (37073) "O" ring (Y325-13), insert assem-

bly (37981) and spring (33547).

b. Depress trigger (39764) to release valve (39286) and "O" ring

(Y325-7).

c. To remove trigger (39764) remove locking screw (39769) and

guide pin (39768) releasing trigger and spring (32858).

d. To remove oilite casting (33190-l)

insert screwdriver into

motor end of housing and unscrew.

a. Assemble spring (32858) and trigger (39764) into housing

and secure with guide pin (39768) and locking screw (39769).

b. Assemble valve (39286) with "O" ring (Y325-7), spring

(33547) and insert assembly (37981) into housing, securing

with "O" ring (Y325-13) and adapter (37073).

c. Assemble oilite casting (33190-l) into place in oil cavity, fill

cavity with oil and seal with washer (31389) and screw

(30747).

40177 PISTOL GRIP HOUSING ASSEMBLY (STANDARD MODELS)

49943 PISTOL GRIP HOUSING ASSEMBLY (-EU MODELS)

OlLlTE

CASTING

33190-I

WASHER 31389

OIL SCREW 30747

TRIGGER 39764

SPRING 32858

SCREW 39769

GUIDE PIN 39766

-37964

HOUSING

* (STANDARD

MODELS)

VALVE 39266

49944 HOUSING * (-EU MODELS)

"O" RING Y325-7

* (INCLUDES

GREASE

FlTTlNG 35967)

SPRING 33547

INSERT ASS'Y 37981

"O" RING Y325-13

ADAPTER

37013

NOTE:

PARTS

SHOWN,

EXCEPT

40192

MUFFLER,

ARE

INCLUDED

PISTOL

GRIP

HOUSING

ASSEMBLY.

SCREEN

33911

1/4 P.T.F. TH'D.-AIR

INLET