|
 |
| Specification |
 |
|
|
|
|
|
|
|
|
|
|
|
 |
DTH HAMMER |
Standard
Backhead Size |
Outside Diameter (mm/inch) |
Length
(mm/inch) |
|
18" HAMMER |
API 8 5/8 Reg. PIN, BOX |
410mm |
1972mm |
Outside Diameter
of Piston (mm/inch) |
Strock
(mm/inch) |
Weight
(kg/lbs) |
Shank Type |
|
310mm |
127mm |
1492kg |
SD18, N180 |
|
 |
DTH HAMMER |
100 PSI (7kg/cm2) |
150 PSI (10.5kg/cm2) |
200 PSI (14kg/cm2) |
|
18" HAMMER |
1430 CFM |
2120 CFM |
3000 CFM |
250 PSI (17.5kg/cm2) |
300 PSI (21kg/cm2) |
350 PSI (25kg/cm2) |
|
|
|
|
|
|
| |
 |
NO |
Part Name |
Part NO |
1 |
BACK HEAD |
1801 |
2 |
BACK HEAD "O" RING |
1802 |
3 |
CHECK VALVE |
1803 |
4 |
CHECK VALVE SPRING |
1804 |
5 |
CHECK VALVE HOUSING |
1805 |
6 |
CHECK VALVE SNAP RING |
1806 |
7 |
THRUST WASHER |
1807 |
8 |
BELEVILLE WASHERS |
1808 |
9 |
FEED TUBE ASS'Y |
1809 |
9-1 |
FEED TUBE SNAP RING |
189-1 |
9-2 |
FEED TUBE |
1809-2 |
9-3 |
FEED TUBE HOUSING |
1809-3 |
9-4 |
CHOKE |
1809-4 |
9-5 |
FEED TUBE COMPRESSION RING |
1809-5 |
| 9-6 |
FEED TUBE "O"RING |
1809-6 |
| 10 |
PISTON |
1810 |
| 11 |
CASE |
1811 |
| 12 |
BIT BEARING |
1812 |
| 13 |
STOP RING (URETHANE) |
1813 |
| 14 |
BIT RETAINNER RING |
1814 |
| 15 |
BIT RETAINNER RINGS"O"RING |
1816 |
| 16 |
THRUST WASHER |
1816 |
| 17 |
CHUCK |
1817 |
|
| |
