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HTMA REQUIREMENTS
TOOL CATEGORY
HYDRAULIC SYSTEM
REQUIREMENTS
TYPE I TYPE II TYPE III TYPE RR
4–6 gpm
(15–23 lpm)
7–9 gpm
(26–34 lpm)
11–13 gpm
(42–49 lpm)
9–10.5 gpm
(34–40 lpm)
TOOL OPERATING PRESSURE
(At the power supply outlet)
2000 psi
(145–155 bar)
2000 psi
(138 bar)
2000 psi
(138 bar)
2000 psi
(138 bar)
SYSTEM RELIEF VALVE SETTING
(At the power supply outlet)
2100–2250 psi
(145–155 bar)
2100–2250 psi
(145–155 bar)
2100–2250 psi
(145–155 bar)
2200–2300 psi
(145–155 bar)
MAXIMUM BACK PRESSURE
(At tool end of the return hose)
250 psi
(17 bar)
250 psi
(17 bar)
250 psi
(17 bar)
250 psi
(17 bar)
(At min. operating temperature)
400 ssu*
(82 centistokes)
400 ssu*
(82 centistokes)
400 ssu*
(82 centistokes)
400 ssu*
(82 centistokes)
TEMPERATURE
(At max. expected ambient temperature)
140 °F
(60 °C)
140 °F
(60 °C)
140 °F
(60 °C)
140 °F
(60 °C)
Min. cooling capacity
at a temperature difference of
3 hp
40 °F
(22 °C)
5 hp
40 °F
(22 °C)
7 hp
40 °F
(22 °C)
6 hp
40 °F
(22 °C)
NOTE:
Do not operate the tool at oil temperatures above 140 °F (60 °C). Operation at higher temperatures can cause operator
discomfort at the tool.
FILTER
(For cold temp. start-up and max. dirt-holding
capacity)
25 microns
30 gpm
(114 lpm)
25 microns
30 gpm
(114 lpm)
25 microns
30 gpm
(114 lpm)
25 microns
30 gpm
(114 lpm)
HYDRAULIC FLUID 100–400 ssu* 100–400 ssu* 100–400 ssu* 100–400 ssu*
Petroleum based
(Premium grade, anti-wear, non-conductive)
VISCOSITY
(At min. and max. operating temps)
(20–82 centistokes)
NOTE:
requirements over a wide range of operating temperatures.
*SSU = Saybolt Seconds Universal