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JCR Super Jet Hammer, For use in hard rock application, Excellent under water characteristics, Valve less DTH Hammer design - details see: https://www.machineto.com/dth-hammer-10317456

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 P45 Hammer H45P 96.00 114.30 - 130.00 2-3/8 Reg box 42.00 994.0 74.0 7.5 - 14.5 2 P45 LT Hammer H45PLT 96.00 114.30 - 130.00 2-3/8 Reg box 44.00 1070.0 74.0 7.5 - 14.5 3 P45 Sup. Hammer H45PS 96.00 114.30 - 130.00 2-3/8 Reg box 43.50 1044.0 74.0 7.5 - 14.5

Technical Description JCR Super Jet Hammer # 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 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 H60SJ HB60SJ HP60SJ HCT60SJ HC60SJ HFC60SJ HAD60SJ HAB60SJ HBL60SJ HBCV55SJ HS55SJ HCL60SJ HOR55SJ HRW60SJ HBC60SJ HABOR55SJ HFCRC55SJ HCRC55SJ HCOR55SJ H65 SJ HB65SJ HP65SJ HCT65SJ HC65SJ HFC65SJ HAD60SJ HAB65SJ HBL65SJ HBCV55SJ HS55SJ HCL65SJ HOR55SJ HRW60SJ HBC60SJ HABOR55SJ HFCRC55SJ HCRC55SJ HCOR55SJ 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 JCR SUPER JET HAMMERS • For use in hard rock application • Excellent under water characteristics • Valve less DTH Hammer design • Less number of moving parts • Reversible wear sleeve (Cylinder) • Latest in design to suit wide range of hole sizes Optimum rate of penetration & pressure ratings Part