Makita HR4002 Technical Information page 5

R
epair
[3] DISASSEMBLY/ASSEMBLY
[3] -2. Tool Holder Section and Barrel Complete
DISASSEMBLE
6) Oil seal 32 is assembled to Barrel complete on the Release cover side. Remove the Oil seal by pushing with
Slotted head screwdriver from the Crank housing complete side. (Fig. 14)
Fig. 14
Release
cover side
ASSEMBLE
1) Mount fresh O Ring 20 to Impact bolt. And then, mount Fluoride ring 25 onto the O ring 20. (Fig. 15)
The assembled Fluoride ring 25 does not fit on Impact bolt by itself. To fit it on Impact bolt, insert
into 1R214 as illustrated in Fig. 15.
Fig. 15
Indication of
"HR4000C"
1R214
Note: Do not use the HR5001C marked side.
2) After about 60 seconds, pull off Impact bolt from 1R214. Now the Fluoride ring fits on Impact bolt. (Fig. 16)
Fig. 16
Fluoride ring 25 after fitting
to Impact bolt
3) Assemble X ring 18 to Impact bolt. (Fig. 17) Now the assemble of Impact bolt is finished.
Fig. 17
Oil seal 32
Barrel complete
O ring 20
O ring 20
1R214
Fluoride ring 25
Crank housing
complete side
Slotted head
screwdriver
Fluoride ring 25
Before fitting to Impact bolt
Impact bolt
Impact bolt
X ring 18
P 5 / 20