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Phone: +91 141 2793166
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Jet Series Hammer
Jet Series Hammer
SPECIFICATIONS
Hammer Name Jet Drill 55 Jet Drill 60 Jet Drill 65 Jet Drill 80 Jet Drill 100
Part Number H55JD H60JD H65JD H80JD H100JD
Outside Dia (mm) 130.00 140.00 148.00 176.00 196.00

Recomm. Bit Size (mm)

140.0 to 180.0 152.4 to 216.0 165.1 to 228.6 203.2 to 305.0 254.0 to 381.0
To Sub Thread (IN) 2-7/8 Reg. Pin 2-7/8 Reg. Pin 2-7/8 Reg. Pin 4 1/2" Reg Pin 4 1/2" Reg Pin

Ham. Wt. without Bit (Kg.)

71.00 76.00 85.00 135.00 168.00

Total Len. without Bit (mm)

1065.0 1040.0 1040.0 1152.0 1160.0
Wrench Flat (mm) 90.00 90.00 90.00 115.00 115.00
Working Pressure (Bar) 10.5-21 7.5-24 7.5-24 14.5-28 14.5-28
 
Component Name H55JD H60JD H65JD H80JD H100JD
Piston Case / Barrel HB55JD HB60JD HB65JD HB80JD HB100JD
Pisotn HP55JD HP60JD HP65JD HP80JD HP100JD
Control Tube HCT55JD HCT60JD HCT65JD HCT80JD HCT100JD
Top Sub / Back Head HC55JD HC60JD HC65JD HC80JD HC100JD

Driver Sub / Front Chuck

HFC55JD HFC60JD HFC65JD HFC80JD HFC100JD
Air Distributor HAD55JD HAD60JD HAD60JD HAD80JD HAD80JD

Guide Sleeve/Assembly Bush

HAB55JD HAB60JD HAB65JD HAB80JD HAB100JD
Bit Retainer Ring / Bit Lock HBL55JD HBL60JD HBL65JD HBL80JD HBL100JD
Dart / Bonded Check Valve HBCV55JD HBCV55JD HBCV55JD HBCV80JD HBCV80JD
Spring HS55JD HS55JD HS55JD HS80JD HS80JD
Circlip HCL55JD HCL60JD HCL65JD HCL80JD HCL100JD
O Ring / Bit Lock O Ring HOR55JD HOR55JD HOR55JD HOR80JD HOR80JD
Rubber Washer HRW55JD HRW60JD HRW60JD HRW80JD HRW100JD
Choke HBC55JD HBC60JD HBC60JD HBC80JD HBC100JD
Assembly Bush O Ring HABOR55JD HABOR55JD HABOR55JD HABOR80JD HABOR80JD
Front Chuck Rubber Cap HFCRC55JD HFCRC55JD HFCRC55JD HFCRC80JD HFCRC80JD
Back Head Rubber Cap HCRC55JD HCRC55JD HCRC55JD HCRC80JD HCRC80JD
Back Head O Ring HCOR55JD HCOR55JD HCOR55JD HCOR80JD HCOR80JD

SPECIAL FEATURES
•   For use in hard rock application
•   Valve less DTH Hammer design
•   Reversible wear sleeve (cylinder)
•   Optimum rate of penetration
•   Excellent under water characteristics
•   Less number of moving parts
•   Latest in design to suit wide range of hole sizes & pressure ratings

GENERAL CARE
Before shutting down at the end of each shift, we recommend the following procedures:
  1. Flush Hammer with air/water for a few minutes, then turn off water injection
  2. Flush Hammer with air/oil for a few minutes.  This will coat the internal Hammer parts preventing corrosion/rust.
  3. Never leave the tool in a wet / muddy hole.  Pull back from bottom as far as necessary to prevent the Hammer sitting under water.
  4. It is also good practice to pour at least half a litre of oil down the drill at start up of a new shift.
  5. If the Hammer is removed from the drill rig for any reason, it is wise to pour a quantity of oil into it and block both ends, providing the flushing as outlined in steps one and two above have been carried out.  If steps one and two have not been carried out the Hammer should be stripped, cleaned and oiled before being stored.
   
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