Makita HR2450FT Power Hammer User Manual


 
Repair
P 12 / 22
< 12 > Disassembling impact bolt
( 1 ) Referring to "< 10 > Disassembling tool holder guide section" in page 11, remove ring spring 29, washer 31,
compression spring 32 and spur gear 51 from tool holder guide. See Fig. 44, 45, 46, 47 and Fig. 48.
( 2 ) Push the cut portion of ring spring 28 to the out side of the hole as illustrated in Fig. 49 and Fig. 49A.
Tool holder
or
Chuck holder side
Tool holder
or
Chuck holder side
Inner
housing side
Ring spring 28 showing its
cut portion
Ring spring
Push the cut portion to
the out side of the hole.
Push out ring spring 28 from
the inner groove.
O ring case
O ring case
Inner
housing side
Inner
housing side
3. Hold tool holder with "No.1R038 Armature holder" and vise. Insert screwdriver between ring spring 28
and O ring case. and push out ring spring 28 from the inner groove as illustrated in Fig. 50.
Inner
housing side
Cap 35 side
O ring case
Inner groove of
tool holder
Ring spring 28
off from inner groove
Vise
No.1R038
Armature holder
Fig. 49
Fig. 49A
Tool holder
or
Chuck holder side
Fig. 50
Impact bolt
X ring
Sleeve 9
Ring 10
O ring case
Ring spring 28