See more: POWER RETRACTABLE JACK LEG PARTS
This drill’s power and low maintenance has kept it the industry’s leading Jack Leg drill for the past 40 years. The ability to hit harder and penetrate rock faster than any other drills on the market has kept it a favorite of both drillers and managers.
| ITEM NO. | PART NUMBER | DESCRIPTION | QTY. USED |
| 1 | RB83147X | AIR CONNECTION ASSY | 1 |
| 5 | S63F2 | BACKHEAD | 1 |
| 6 | OR6 | O-RING | 4 |
| 7 | S83F12B | THROTTLE VALVE | 1 |
| 8 | S58F12E | THROTTLE HANDLE ASSY | 1 |
| 10 | WP31 | TOOTH WASHER | 1 |
| 11 | S48F12N | LOCK NUT | 1 |
| 12 | 72A | THROTTLE VALVE PLUNGER | 1 |
| 13 | 72ES | SPRING | 1 |
| 14 | S83F114 | CONTROL HANDLE | 1 |
| 15 | S83F118B | VALVE ASSY | 1 |
| 16 | CL5324P | O-RING | 1 |
| 17 | OR7 | O-RING | 1 |
| 18 | OR9 | O-RING | 1 |
| 19 | S83F119B | SPRING | 1 |
| 20 | S83F120 | RETAINER | 1 |
| 21 | ERP6 | PIN | 1 |
| 22 | S83F112AB | CONTROL HANDLE | 1 |
| 23 | ERP9 | ROLL PIN | 1 |
| 24 | ORP116A | O-RING | 2 |
| 25 | S83F116C | RELIEF VALVE | 1 |
| 26 | S83F117 | SPRING | 1 |
| 27 | PP2A | 1/4 NPT PLUG | 1 |
| 28 | 1053440 | FEED CONTROL SLEEVE | 1 |
| 29 | 50 | WATER VALVE. | 1 |
| 30 | S48F13X | WATER CONNECTION ASSY | 1 |
| 37 | D83N40X | GLAND ASSY | 1 |
| 47 | 1739A | TUBE WASHER | 1 |
| 50 | 729B | WATER TUBE GASKET | 1 |
| 51 | S63F27B | WATER TUBE | 1 |
| 52 | S83F3335 | RATCHET RING | 1 |
| ITEM NO. | PART NUMBER | DESCRIPTION | QTY. USED |
| 53 | S83F2628 | RIFLE BAR | 1 |
| 54 | R9111A | PAWL | 4 |
| 55 | S5511C | PAWL SPRING | 4 |
| 56 | S83F16 | AUTOMATIC VALVE | 1 |
| 57 | S83F15 | VALVE CHEST | 1 |
| 58 | S83F15B | VALVE PLUG | 1 |
| 59 | S83F15D | VALVE CHEST PIN | 1 |
| 61 | 1S83F9 | PISTON | 1 |
| 62 | S83F2528 | RIFLE NUT | 1 |
| 63 | S83F1T | CYLINDER | 1 |
| 64 | 1S83F715 | OPEN PLUG | 2 |
| 65 | S83F1B | CYLINDER BUSHING | 1 |
| 66 | S53F1L | LINER | 1 |
| 67 | S58F7DA | CHUCK DRIVER | 1 |
| 68 | S63F7N | CHUCK NUT | 1 |
| 69 | 1041277 | 7/8″ HEX CHUCK LINER | 1 |
| 70 | 1040906 | CHUCK END | 1 |
| 71 | S53F36A | 7/8″ STEEL PULLER | 1 |
| 72 | S53F36N | NUT | 2 |
| 73 | S53F36TA | TRUNNION ASSY. | 1 |
| 74 | ORP214B | O-RING | 2 |
| 75 | S58F36N | SPRING | 1 |
| 76 | S53F36P | PLUNGER | 1 |
| 77 | S58F36RA | SPRING RETAINER | 1 |
| 78 | ORP210B | O-RING | 1 |
| 79 | Z1 | GREASE FITTING | 1 |
| 80 | S58F36K | PIN | 1 |
| 81 | S83F3 | SIDE ROD | 2 |
| 82 | D733S | SIDEROD WASHER | 2 |
| 83 | S583N | SIDE ROD NUT | 2 |
| 85 | S83F34 | HANDLE (OPTION INSTEAD OF WASHERS) | 1 |
