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HAMMER SPECIFICATIONS
HAMMER IMPACT FREQUENCY MOUNTING WORKING TOOL
MODEL ENERGY STYLE WEIGHT DIA. WORKING
CLASS LENGTH
ft. lb. bpm lbs. (kg) in. (mm) in. (mm)
PH1
350 550 - 1,100 Excavator 423 (192) 2.24 (57) 14.0 (356)
Skid Steer 674 (306)
PH2
500 500 - 1,200 Excavator 487 (221) 2.60 (66) 15.1 (384)
Skid Steer 735 (333)
PH3
750 500 - 1,150 Excavator 825 (374) 2.99 (76) 16.5 (419)
Skid Steer N/A
PH4
1300 400 - 1,000 Excavator 1,064 (483) 3.39 (86) 18.5 (469)
Skid Steer N/A
HAMMER OIL FLOW HYDRAULIC OPERATING MINIMUM CIRCUIT
MODEL PRESSURE
1
RELIEF
2
gpm
(lpm)
psi
(bar)
psi
(bar)
PH1
7 - 15
(25 - 55)
2,175 - 2,465
(150 - 170)
2,965
(204)
PH2
7 -16
(25 - 60)
2,175 - 2,465
(150 - 170)
2,965
(204)
PH3
12 - 27
(45 - 100)
2,175 - 2,465
(150 - 170)
2,965
(204)
PH4
13 - 32
(50 - 120)
2,175 - 2,465
(150 - 170)
2,965
(204)
NITROGEN GAS PRECHARGE
HAMMER AT AMBIENT TEMPERATURE
(cold before operating)
AT OPERATING TEMPERATURE (hot,
after 1 to 2 hrs. operation)
MODEL
*psi (bar) *psi (bar)
PH1
175 (12) 220 (15)
PH2
175 (12) 220 (15)
PH3
175 (12) 220 (15)
PH4
175 (12) 220 (15)
*The gas charge tolerances plus 0, minus 25 psi (2 bar).
*Specifications subject to change without notice.
NOTES:
1. Hydraulic operating pressure maximum is inlet pressure at the hammer with the oil at
operating temperature and with the gas charge set at the hot operating pressure. See
CHECKING THE HYDRAULIC PRESSURES section in the Service Manual.
2. Circuit relief pressure is at least 500 psi (35 bar) above hammer operating pressure.
3. Cold gas charge is the initial set with the hammer at ambient temperature.
4. Hot gas charge is checked after 1 to 2 hours of running and with a system oil temperature of
140 to 180F (60
to 80
C). This is the preferred check.
5. Pressures listed are the maximum allowed. Use tolerance of minus 25 psi (2 bar).
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