Technical Description

 
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.
 
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
 
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Component Name
Piston Case/ Barrel
Piston
Control Tube
Top Sub/ Back Head
Driver Sub/ Front Chuck
Air Dristributor
Guide Sleeve/ Assembly Bush
Bit Retainer Ring/ Bit Lock
Dart/ Bonded Check Valve
Spring
Circlip
O Ring/ Bit Lock O Ring
Rubber Washer
Choke
Assembly Bush O Ring
Front Chuck Rubber Cap
Back Head Rubber Cap
Back Head O Ring
H55JD
HB55JD
HP55JD
HCT55JD
HC55JD
HFC55JD
HAD55JD
HAB55JD
HBL55JD
HBCV55JD
HS55JD
HCL55JD
HOR55JD
HRW55JD
HBC55JD
HABOR55JD
HFCRC55JD
HCRC55JD
HCOR55JD
H60JD
HB60JD
HP60JD
HCT60JD
HC60JD
HFC60JD
HAD60JD
HAB60JD
HBL60JD
HBCV55JD
HS55JD
HCL60JD
HOR55JD
HRW60JD
HBC60JD
HABOR55JD
HFCRC55JD
HCRC55JD
HCOR55JD
H65 JD
HB65JD
HP65JD
HCT65JD
HC65JD
HFC65JD
HAD60JD
HAB65JD
HBL65JD
HBCV55JD
HS55JD
HCL65JD
HOR55JD
HRW60JD
HBC60JD
HABOR55JD
HFCRC55JD
HCRC55JD
HCOR55JD
H80JD
HB80JD
HP80JD
HCT80JD
HC80JD
HFC80JD
HAD80JD
HAB80JD
HBL80JD
HBCV80JD
HS80JD
HCL80JD
HOR80JD
HRW80JD
HBC80JD
HABOR80JD
HFCRC80JD
HCRC80JD
HCOR80JD
H100JD
HB100JD
HP100JD
HCT100JD
HC100JD
HFC100JD
HAD80JD
HAB100JD
HBL100JD
HBCV80JD
HS80JD
HCL100JD
HOR80JD
HRW100JD
HBC100JD
HABOR80JD
HFCRC80JD
HCRC80JD
HCOR80JD
 
SPECIFICATIONS
# Hammer Name Part Number Outside Dia (mm) Recomm Bit size (mm) Top Sub Thread (IN) Ham. Wt. Without Bit (kg.) Total Len without Bit (mm) Wrench Flat (mm) Working Pressure (Bar)
1 Jet Drill 55 H55JD 130.00 140.0 to 180.0 2-7/8 Reg. Pin 71.00 1065.0 90.00 10.5-21
2 Jet Drill 60 H60JD 140.00 152.4 to 216.0 2-7/8 Reg. Pin 76.00 1040.0 90.00 7.5-24
3 Jet Drill 65 H65JD 148.00 165.1 to 228.6 2-7/8 Reg. Pin 85.00 1040.0 90.00 7.5-24
4 Jet Drill 80 H80JD 176.00 203.2 to 305.0 4 1/2" Reg Pin 135.50 1152.0 115.00 14.5-28
5 Jet Drill 100 H100JD 196.00 254.0 to 381.0 4 1/2" Reg Pin 168.00 1160.0 115.00 14.5-28
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