Hitachi WH 14DBDL Service Manual page 18

Almost all components of the Models WH 14DBDL, WH 18DBDL, WR 14DBDL and WR 18DBDL are
common and sharable. However, some parts are not interchangeable as listed below.
Do not mix these parts up for disassembly and reassembly.
Part name
Hammer
Hammer Spring
Washer (J)
Hammer
assembly
Only one Washer (J) [12]<9> for Steel
Ball D3.175 [11]<8> of Hammer Spring
(H) [13A]/Hammer Spring (F) <10>
(Same as the conventional product)
Compatibility
WH 14DBDL WH 18DBDL
Wire size φ 4.0
1 pc.
Washer (J) [12]<9>
WR 14DBDL
Washer (J) [12]<9>
Two Washers (J) [12]<9> for both upper
and lower ends of Hammer Spring (H)
[13A]/Hammer Spring (F) <10>
-17-
WR 18DBDL
Wire size φ 3.5
2 pcs.