Makita AN942 Technische informatie - Pagina 3
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< 2 > Disassembling head bulb section.
( 1 ) Unscrew 4 pcs. of hex socket head bolts M6x25 and separate top cap and top cap gasket from housing. See Fig. 1
( 2 ) Unscrew 3 pcs. of hex socket head bolts M5x10 and separate exhaust cover from top cap. See Fig. 1.
( 3 ) Strike the thin bar inserted in to the hole of top cap, then the following parts can be removed from top cap
as illustrated in Fig. 2.
* Head valve with valve seat, O ring 40 and O ring 56
* Cushion R with washer 34
* Compression spring 5
* Driver complete with O ring 49
( 4 ) Remove valve seat from head valve. See Fig. 3.
Exhaust cover
Top cap
< 3 > Assembling the head bulb section.
( 1 ) Put washer 34 and cushion R into head valve.
( 2 ) Mount compression spring 50 and head valve section
to top cap.
Washer 34
Head valve
Fig. 4
Hex socket head
bolts M5x10 ( 3 pcs.)
Hex socket head
bolts M6x25 ( 4 pcs.)
Top cap gasket
Fig. 1
See Fig. 5.
Cushion R
Top cap
Cushion R
with washer 34
For removing, lever up valve seat
with flat head screwdriver.
Fig. 3
See Fig. 4.
Top cap
Compression
spring 50
Head valve section
assembled in Fig.4
(It has to be pushed into
head cap until the boss of cushion R
is engaged firmly with head cap.)
P 3 / 7
Compression
spring 5
Head valve with
valve seat,
O ring 40 and
O ring 56
Fig. 2
Head valve
Valve seat
Boss of
cushion R
Fig. 5