Ref No.	Part No.	Description
1	3115242400	FRONT HEAD
2	0663212600	O RING
3	0663918601	ORING
4	0661201400	BACKUP RING
5	3115344900	FLUSHING ADAPT.
8	3115245400	PLUG
11	0663214501	ORING
13	0663214600	ORING
20	3115288200	STOP RING
22	3115246300	GUIDE
23	3115246200	CUP SEAL
24	3115291200	FLUSHING HEAD
28	3115291300	RING
29	3115223300	DRILL COLLAR