Makita HM1242C Technical Information page 6

R
epair
(Assembling)
(1) Assemble tool holder to barrel after
inserting impact bolt as illustrated in Fig.16.
( Note )
Make sure, that urethane ring 43 and O ring 38
are assembled to tool holder in advance.
(2) Assemble flat washer 37 to tool holder
after assembling tool holder to barrel.
And then, fix flat washer 37 with
ring spring 34.
( Note )
The mark, " UP " has to be faced to the bit
installing side as illustrated in Fig.17A.
Tool holder
Bit installing side
< 5> Assembling fluoride ring
(Assembling)
(1) Fluoride ring 28, just after assembled, can not be fit
precisely along the groove on the impact bolt.
The edge come out from the groove.
(2) Insert the impact bolt on which the fluoride
ring 28 is attached, into repairing jig No.1R-214.
At this time the impact bolt has to be inserted
from the hole for [HR5001C]
And then, keep the impact bolt in the repairing jig
approx. 10 sec for correction of fluoride ring 28.
(3) Pay attention, not to damage fluoride ring 28, when
the impact bolt is inserted into tool holder.
Fluoride ring 28 of which edge has come out
from the groove.
O ring 23
Repairing jig No.1R-214
(Taper sleeve)
Barrel
Flat washer 37
UP
Barrel
Fig.17
Urethane ring 43
O ring 38
Fig.16
UP
Ring spring 34
Fig.17A
Fluoride ring 28 corrected
with repairing jig No.1R-214
Hole for
[HR5001C]
Fig.18
P 6 / 12
Tool holder
Impact bolt
O ring 23