HTMA REQUIREMENTS

 

 

 

TOOL CATEGORY

 

 

HYDRAULIC SYSTEM

 

 

 

 

 

REQUIREMENTS

TYPE 1

TYPE II

TYPE III

TYPE RR

 

 

 

 

 

 

 

FLOW RATE

4-6 gpm

7-9 gpm

11-13 gpm

9-10.5 gpm

 

TOOL OPERATING PRESSURE

(15-23 lpm)

(26-34 lpm)

(42-49 lpm)

(34-40 lpm)

 

2000 psi

2000 psi

2000 psi

2000 psi

 

(at the power supply outlet)

(138 bar)

(138 bar)

(138 bar)

(138 bar)

 

 

 

 

 

 

 

SYSTEM RELIEF VALVE SETTING

2100-2250 psi

2100-2250 psi

2100-2250 psi

2200-2300 psi

 

(at the power supply outlet)

(145-155 bar)

(145-155 bar)

(145-155 bar)

(152-159 bar)

 

 

 

 

 

 

 

MAXIMUM BACK PRESSURE

250 psi

250 psi

250 psi

250 psi

 

(at tool end of the return hose)

(17 bar)

(17 bar)

(17 bar)

(17 bar)

 

Measured at a max. fl uid viscosity of:

400 ssu*

400 ssu*

400 ssu*

400 ssu*

 

(at min. operating temperature)

(82 centistokes) (82 centistokes) (82 centistokes)

(82 centistokes)

 

 

 

 

 

 

 

TEMPERATURE

140° F

140° F

140° F

140° F

 

Suffi cient heat rejection capacity

(60° C)

(60° C)

(60° C)

(60° C)

 

to limit max. fl uid temperature to:

 

 

 

 

 

(at max. expected ambient temperature)

 

 

 

 

 

Min. cooling capacity

3 hp

5 hp

7 hp

6 hp

 

at a temperature difference of

(2.24 kW)

(3.73 kW)

(4.47 kW)

(5.22 kW)

 

between ambient and fl uid temps

40° F

40° F

40° F

40° F

 

NOTE:

(22° C)

(22° C)

(22° C)

(22° C)

 

 

 

 

 

 

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

25 microns

25 microns

25 microns

25 microns

 

Min. full-fl ow fi ltration

30 gpm

30 gpm

30 gpm

30 gpm

 

Sized for fl ow of at least:

(114 lpm)

(114 lpm)

(114 lpm)

(114 lpm)

 

(For cold temp. startup and max. dirt-holding capacity)

 

 

 

 

 

 

 

 

 

 

 

HYDRAULIC FLUID

100-400 ssu*

100-400 ssu*

100-400 ssu*

100-400 ssu*

 

Petroleum based

 

(20-82 centistokes)

 

 

(premium grade, anti-wear, non-conductive)

 

 

 

 

 

VISCOSITY

 

 

 

 

 

(at min. and max. operating temps)

 

 

 

 

 

NOTE:

 

 

 

 

 

When choosing hydraulic fl uid, the expected oil temperature extremes that will be experienced in service determine the

 

most suitable temperature viscosity characteristics. Hydraulic fl uids with a viscosity index over 140 will meet the require-

 

ments over a wide range of operating temperatures.

 

 

 

 

 

 

 

 

 

 

 

*SSU = Saybolt Seconds Universal

 

 

 

 

NOTE:

 

 

 

 

These are general hydraulic system requirements. See tool Specifi cation page for tool specifi c requirements.

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Stanley Black & Decker HD45 service manual Htma Requirements, Tool Category Hydraulic System Requirements Type Type RR

HD45 specifications

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