JDM SERIES

JDM Series hammers are equipped with a robust design for optimum strength and performance.

JDM35MD / DH HAMMER

JDM45DH HAMMER

JDM55QL HAMMER

JDM60QL HAMMER

JDM80QL HAMMER

JDM10SD HAMMER

JDM SERIES CHART

Description

JDM SERIES

  • JDM35MD / JDM35DH (3.5”)

  • JDM45DH (4.5”)

  • JDM55QL(5.0”)

  • JDM60QL(6.0”)

  • JDM80QL (8.0”)

  • JDM10SD (10.0”) 


DESIGN HIGHLIGHTS

  • JDM Series is a valve less type hammers designed for high performance at low operating air pressures.

  • Suitable bits has a strong robust design without foot valve to withstand heavy duty application.

  • JDM Series Hammers maximizes energy output and reduces service requirements.

  • Wear Sleeve is not reversible.

  • All critical internal components are heat treated under strict control to maximize tool longevity.


EXCLUSIVE FEATURES

  • A built-in choke facility allows the driller to adjust the volume of air through the hammer to optimize cuttings evacuation.

  • Robust piston design for optimum strength and performance

  • Fitted with a reversible cylinder to maximize operating life.

  • Multi-start threads on backhead and chuck ensure easy coupling / uncoupling of hammer.

  • Excellent for all types of drilling applications including residential

  • geothermal, production quarry drilling, seismic drilling and small construction drilling.


APPLICATIONS:

• Water Well • Mining • Construction • Quarry
  • JDM35MD / DH HAMMER
  • JDM45DH
  • JDM55QL
  • JDM60QL
  • JDM80QL
  • JDM10SD

Parts list

JDM35MD / DH HAMMER
Sl.No Part Name Quantity Part Number
1 TOP SUB (2 3/8 API REG PIN) 1 15-3C3500-23ARM
TOP SUB (RD50 FEMALE 6TPI) 1 15-3C3500-RD50F
TOP SUB (RD50 MALE 6TPI5D) 1 15-3C3500-RD50M
2 CHECK VALVE 1 19-23101R/A
3 CHOKE (FULL,HALF,QUARTER) 1 47-0125N(A)(C)(D)
4 SPRING 1 17-220925
5 LOCK RING 1 29-060412
6 STEEL MAKEUP RING 1 M9-060405
7 AIR DISTRIBUTOR 1 12-3C3500
8 “O”RING FOR AIR DISTRIBUTOR 1 37-03903H
9 INNER CYLINDER 1 42-3C3500
10 SEATING RING 1 79-060510
11 “O”RING FOR SEATING RING 1 37-05901H
12 PISTON 1 55-3C3500
13 WEAR SLEEVE 1 45-3C3500
14 PISTON RETAINER RING 1 89-060430
15 GUIDE BUSH SPACER 1 29-060511
16 BIT RETAINER RING [JDM35MD] 1 99-060411
BIT RETAINER RING [JDM35DH] 1 99-060411/A
17 “O” RING FOR BIT RETAINER RING 1 37-04602H
18 DRIVE SUB [JDM35MD] 1 75-3C3500
DRIVE SUB [JDM35DH] 1 75-3C3501
SERVICE KIT (S.NO:3,4,8,11&17) 1 3C3500MDK
HAMMER ASSEMBLY [JDM35MD] 1 34-3C3500MD-23ARMS
HAMMER ASSEMBLY [JDM35MD] 1 34-3C3500MD-RD50FS
HAMMER ASSEMBLY [JDM35MD] 1 34-3C3500MD-RD50MS
HAMMER ASSEMBLY [JDM35DH] 1 34-3C3500DH-23ARMS
HAMMER ASSEMBLY [JDM35DH] 1 34-3C3500DH-RD50FS
HAMMER ASSEMBLY [JDM35DH] 1 34-3C3500DH-RD50MS

Specifications

Sl.No Description Unit Dimension
1 HAMMER LENGTH [ 35MD/DH] W/O BIT mm 804.8 / 804.0
2 HAMMER OUTSIDE DIA mm 85.0
3 HAMMER WEIGHT kg 21.6
4 CYLINDER BORE mm 68.70
5 PISTON STROKE mm 80.0 (approx.)
6 PISTON WEIGHT kg 3.9
7 HOLE SIZES mm 95 - 115
8 WRENCH SIZE A/F mm A/F 63.0 /W 41.5
9 SUITABLE SHANK [JDM35MD] ----- MD3.5 (With Foot Valve)
SUITABLE SHANK [JDM35DH] ----- DHD3.5 (With Foot Valve)

JDM35MD / DH HAMMER (AIR CONSUMPTION CHART)

MD3.5 SHANK

DHD3.5 SHANK

Parts list

JDM45DH
Sl.No Part Name Quantity Part Number
1 TOP SUB [2 3/8 API REG PIN] 1 15-4C4500-23ARM
2 "O" RING FOR TOP SUB 1 37-07503H
3 CHOKE (FULL,HALF,QUARTER) 1 47-0127N[A][C][D]
4 CHECK VALVE 1 19-23101R
5 SPRING 1 17-220925
6 STEEL MAKEUP RING 1 M9-080507
7 LOCK RING 1 29-070512
8 AIR DISTRIBUTOR 1 12-4C4500
9 "O" RING FOR AIR DISTRIBUTOR 1 37-05103H
10 INNER CYLINDER 1 42-4C4500
11 SEATING RING 1 79-070610
12 “O” RING FOR SEATING RING,BIT RETAINER RING 2 37-04601H
13 PISTON 1 55-4C4500
14 WEAR SLEEVE 1 45-4C4500
15 PISTON RETAINER RING 1 89-070425
16 GUIDE BUSH 1 65-4C4500
17 BIT RETAINER RING 1 99-070509
18 DRIVE SUB 1 75-4C4500
SERVICE KIT (S.NO:2,3,5,9&12) 1 4C4500DHK
HAMMER ASSEMBLY 1 34-4C4500DH-23ARMS

Specifications

Sl.No Description Unit Dimension
1 HAMMER LENGTH W/O BIT mm 955.7
2 HAMMER OUTSIDE DIA mm 98.0
3 HAMMER WEIGHT kg 38.6
4 CYLINDER BORE mm 78.2
5 PISTON STROKE mm 80.0 [approx.]
6 PISTON WEIGHT kg 7.7
7 HOLE SIZES mm 115-127
8 WRENCH SIZE A/F mm A/F 65.0 /W -40.0
9 SUITABLE SHANK ----- DHD340 [With Foot Valve]

JDM45DH HAMMER (AIR CONSUMPTION CHART)

DHD340 SHANK

Parts list

JDM55QL
Sl.No Part Name Quantity Part Number
1 TOP SUB [3 1/2 API REG PIN] 1 15-5C5000-31ARM
TOP SUB (5D 3 1⁄2 IF THREAD PIN) 1 15-5C5000-31IFM
2 CHOKE [FULL/HALF/QUARTER] 1 47-0127N/[A][C][D]
3 CHECK VALVE 1 19-23101R
4 SPRING 1 17-220925
5 STEEL MAKEUP RING 1 M9-100705
6 LOCK RING 1 29-100712
7 AIR DISTRIBUTOR 1 12-5C5500
8 "O" RING FOR AIR DISTRIBUTOR 1 37-06803H
9 SEATING RING 1 79-100910
10 "O" RING FOR SEATING RING 1 37-06002H
11 INNER CYLINDER 1 42-5C5500
12 PISTON 1 55-5C5500
13 WEAR SLEEVE 1 45-5C5500
14 PISTON RETAINER RING 1 89-090324
15 ALIGNER 1 65-5C5000
16 "O" RING FOR GUIDE BUSH 1 37-090003H
17 BIT RETAINER RING 1 99-100716
18 "O" RING FOR BIT RETAINER RING 1 37-08402H
19 DRIVE SUB 1 75-5C5500
SERVICE KIT (S.NO:2,4,8,10,16,18) 1 5C5500QLK
HAMMER ASSEMBLY 1 34-5C5500QL-31ARMR
HAMMER ASSEMBLY 1 34-5C5500QL-31IFMR

Specifications

Sl.No Description Unit Dimension
1 HAMMER LENGTH W/O BIT mm 994.1
2 HAMMER OUTSIDE DIA mm 124.0
3 HAMMER WEIGHT kg 70.0
4 CYLINDER BORE mm 99.80
5 PISTON STROKE mm 80.0 [approx.]
6 PISTON WEIGHT kg 15.0
7 HOLE SIZES mm 140-165
8 WRENCH SIZE A/F mm A/F 90.0/W-50.0
9 SUITABLE SHANK ----- QL50 [With Foot Valve]

JDM55QL HAMMER (AIR CONSUMPTION CHART)

QL50 SHANK

Parts list

JDM60QL
Sl.No Part Name Quantity Part Number
1 TOP SUB (3 1⁄2 API REG PIN) 1 15-6C6000-31ARM
TOP SUB (5D 3 1⁄2” IF THREAD PIN) 1 15-6C6000-31IFM
2 "O" RING FOR TOP SUB,GUIDE BUSH 2 37-10505H
3 CHOKE (FULL,HALF,QUARTER) 1 47-0127N/[A][C][D]
4 CHECK VALVE 1 19-23101R
5 SPRING 1 17-220925
6 STEEL MAKEUP RING 1 M9-110805
7 LOCK RING 1 29-110812
8 AIR DISTRIBUTOR 1 12-6C6000
9 "O" RING FOR AIR DISTRIBUTOR & BIT RETAINER RING 2 37-08703H
10 "O" RING FOR SEATING RING 1 37-08101H
11 SEATING RING 1 79-111012
12 INNER CYLINDER 1 42-6C6000
13 PISTON 1 55-6C6000
14 WEAR SLEEVE 1 45-6C6000
15 PISTON RETAINER RING 1 89-110524
16 GUIDE BUSH 1 65-6C6000
17 BIT RETAINER RING 1 99-110815
18 DRIVE SUB 1 75-6C6000
SERVICE KIT (S.NO:2,3,5,9&10) 1 6C6000QLK
HAMMER ASSEMBLY 1 34-6C6000QL-31ARMR
HAMMER ASSEMBLY 1 34-6C6000QL-31IFMR

Specifications

Sl.No Description Unit Dimension
1 HAMMER LENGTH W/O BIT mm 1035.0
2 HAMMER OUTSIDE DIA mm 144.0
3 HAMMER WEIGHT kg 100.0
4 CYLINDER BORE mm 115.8
5 PISTON STROKE mm 80.0 [approx.]
6 PISTON WEIGHT kg 20.0
7 HOLE SIZES mm 156-178
8 WRENCH SIZE A/F mm A/F 100.0 /W-50.0
9 SUITABLE SHANK ----- QL60 [WITH FOOT VALVE]

JDM60QL HAMMER (AIR CONSUMPTION CHART)

QL60 SHANK

Parts list

JDM80QL
Sl.No Part Name Quantity Part Number
1 TOP SUB (4 1⁄2 API REG PIN ) 1 15-8J8000-41ARM
2 “O” RING FOR TOP SUB 1 37-14005H
3 CHECK VALVE 1 19-37138R
4 SPRING 1 17-331220
5 BUFFER RING 1 27-151111
6 AIR DISTRIBUTOR 1 37-10604H
7 “O” RING FOR AIR DISTRIBUTOR 1 12-8J8000
8 INNER CYLINDER 1 42-8J8000
9 PISTON 1 52-8C8000
10 WEAR SLEEVE 1 45-8C8000
11 PISTON RETAINER RING 1 89-150645
12 GUIDE BUSH 1 65-8C8000
13 “O”RING FOR GUIDE BUSH 2 37-13204H
14 BIT RETAINER RING 1 99-141037
15 “O” RING FOR BIT RETAINER RING 1 37-13204H
16 DRIVE SUB SPACER 1 29-181510/B
17 DRIVE SUB 1 75-8J8000
SERVICE KIT (S.NO: 2,4,5,7,12 &15) 1 8J8000QLK
HAMMER ASSEMBLY 1 34-8J8000QL-41ARMS

Specifications

Sl.No Description Unit Dimension
1 HAMMER LENGTH W/O BIT mm 1334.0
2 HAMMER OUTSIDE DIA mm 182.0
3 HAMMER WEIGHT kg 190.0
4 CYLINDER BORE mm 149.0
5 PISTON STROKE mm 80.0 (approx.)
6 PISTON WEIGHT kg 42.0
7 HOLE SIZES mm 200 - 305
8 WRENCH SIZE A/F mm A/F 140 / W-50
9 SUITABLE SHANK ----- QL80( With Foot Valve)

JDM80QL HAMMER (AIR CONSUMPTION CHART)

QL80 SHANK

Parts list

JDM10SD
Sl.No Part Name Quantity Part Number
1 TOP SUB (65/8 API REG PIN) 1 15-1JX100-65ARM
2 CHECK VALVE 1 19-37138R
3 SPRING 1 17-331220
4 BUFFER RING 1 27-181310
5 AIR DISTRIBUTOR 1 12-1JX100
6 “O” RING FOR AIR DISTRIBUTOR 1 37-13504H
7 INNER CYLINDER 1 42-1JX100
8 PISTON 1 52-1CX100
9 WEAR SLEEVE 1 45-1CX100
10 PISTON RETAINER RING 2 89-191745
11 GUIDE BUSH 1 65-1CX101
12 BIT RETAINER RING 1 99-171325
13 “O” RING FOR BIT RETAINER RING 1 37-16004H
14 DRIVE SUB SPACER 1 29-221910
15 DRIVE SUB 1 75-1JX100
SERVICE KIT (S.NO: 3,4,6,&14) 1 1JX100SDK
HAMMER ASSEMBLY 1 34-1CX100SD-65ARMS

Specifications

Sl.No Description Unit Dimension
1 HAMMER LENGTH W/O BIT mm 1490.0
2 HAMMER OUTSIDE DIA mm 225.0
3 HAMMER WEIGHT kg 355.0(approx)
4 CYLINDER BORE mm 179.0
5 PISTON STROKE mm 80.0 (approx.)
6 PISTON WEIGHT kg 68.0
7 HOLE SIZES mm 254 - 305
8 WRENCH SIZE A/F mm A/F 152 / W- 60.0
9 SUITABLE SHANK ----- SD10 (With Foot Vlave)

JDM10SD HAMMER (AIR CONSUMPTION CHART)

SD10 SHANK