Makita HR2450T Power Hammer User Manual


 
Repair
P 11 / 22
< 10 > Disassembling tool holder guide section
( 1 ) After removing change lever ( See page 9), separate gear housing from motor housing as illustrated
in Fig. 40 and Fig. 41 in page 10.
( 1 ) Apply grease to spur gear 51 and tool holder guide referring to "< 2 > Lubrication to the machine parts"
in page 3.
( 2 ) Mount spur gear 51, compression spring 32 and washer 31. See Fig. 48.
( 3 ) Pressing the washer 31 toward the spur gear 51 side, with arbor press, mount ring spring 29 as illustrated
in Fig. 47 and Fig. 46. And mount flat washer 28 to the position illustrated in Fig. 45.
( 4 ) Insert piston cylinder of swash bearing section into tool holder guide. And insert tool holder section into inner
housing as illustrated in Fig. 45.
( 2 ) Remove inner housing as illustrated in Fig. 44.
( 3 ) Separate tool holder guide section from inner housing. See Fig. 45.
( 4 ) Remove ring spring 29, while pressing washer 31 which covers ring spring 29, toward the spur gear 51 side.
See Fig. 46 and 47. After removing ring spring 29, reduce pressure on the washer 31 slowly.
( 5 ) Remove washer 31, compression spring 32 and spur gear 51 form tool holder guide. See Fig. 48.
< 11 > Assembling tool holder guide section
Fig. 44
Fig. 45
Fig. 46
Fig. 47
Fig. 48
Washer 31
Ring
spring 29
Round bars
for arbor
Retaining ring
plier
No. 1R306
Ring spring
extractor
Tool holder
guide section
Tool holder
guide section
Swash bearing
section
Swash bearing
section
Piston cylinder
Inner
housing
Flat washer 28
Washer 31
Ring
spring 29
Retaining
ring plier
Washer 31
Spur gear 51
Tool
holder guide
Compression
spring 32
Inner housing