G-Force GFM4000 SD-4 Shank

Hammer Specifications - G-Force SD-4 Shank
| Length (w/o drill bit) |
39.76" |
1,009.88 mm |
|
| Outside Diameter |
3.86" |
98 mm |
| Weight (w/o bit) |
84 lbs. |
38 kg |
| Cylinder Bore |
3.23" |
82 mm |
| Piston Stroke |
3.74" |
95 mm |
| Piston Weight |
26 lbs. |
11.5 kg |
| Top Thread |
2 3/8" API Reg Pin
Optional 2 7/8" available |
| Hole Sizes |
4"
6" |
101 mm
152.40 mm |
| Air Pressure Consumption |
150 PSI
250 PSI
300 PSI |
240 CFM
440 CFM
540 CFM |
| Wrench Size |
A/F 4 1/2" |
114 mm |
Connection
|
Std. 3 1/2 " API Reg Pin
(Other connections available by
special order) |
Features:
- Easy to service
- Special heat-treated alloy piston for long life, Rockwell hardness 60
- Minimum loss of performance when injecting foam or water; DRILLS WELL UNDER WATER
Air Consumption Chart
PSI |
100 |
150 |
200 |
250 |
300 |
- |
CFM |
150 |
240 |
340 |
440 |
540 |
- |
Air Pressure Regulating with Choke
Size |
150 PSI |
200 PSI |
250 PSI |
300 PSI |
350 PSI |
400 PSI |
1/8" |
375 |
595 |
760 |
925 |
1060 |
1205 |
1/4" |
425 |
665 |
845 |
1095 |
1270 |
1350 |
All Hammers come Fitted with Blank Choke located in the Dart Valve
Lubrication
The Missile LXQ Series Hammers are precision-made tools and should be treated as such. Only the highest quality lubrication should be used and a constant flow of oil must be maintained at all times. Recommended lubrication amount 1/3 Pint per 100 cfm per hour.
Recommended Grades of Lubricant
ESSO
MATEX
CASTROL
SHELL
MOBILE |
AROX EP 150
RDO 302
RD OIL DP 100
TORCULA 320
ALMO NO. 5 |
Heavy duty oil is recommended for all year-round use, in particular where air supply to the hammer is at high temperature. If lighter grade oil is required due to very low ambient temperatures, amount of oil being used should be increased by 30 percent.
Recommended Pull Down
Minimum @ 100 psi - 500 lbs./227 kg |
Maximum @ 350 psi - 1800 lbs./818 kg |
Missile Warranty will be voided by the following:
- Welding on Wear Sleeve.
- Heating Case with a Torch.
- Gripping Wrenches across Threads.
- Hammering on Casing.
READ WARNING LABEL ATTACHED TO HAMMER. |


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