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8 ► SK47 

User Manual

HTMA / EHTMA REQUIREMENTS

TOOL TYPE

HTMA 

HYDRAULIC SYSTEM REQUIREMENTS

TYPE I

TYPE II

TYPE RR

TYPE III

Flow range

4-6 GPM

(15-23 LPM)

7-9 GPM

(26-34 LPM)

9-10.5 GPM

(34-40 LPM)

11-13 GPM

(42-49 LPM)

Nominal operating pressure

(At the power supply outlet)

1500 psi

(103 bar)

1500 psi

(103 bar)

1500 psi

(103 bar)

1500 psi

(103 bar)

System relief valve setting

(At the power supply outlet)

2100-2250 psi

(145-155 bar)

2100-2250 psi

(145-155 bar)

2200-2300 psi

(152-159 bar)

2100-2250 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)

Measured at a max fl uid viscosity of:

(At minimum operating temperature)

400 ssu*

(82 centistokes)

400 ssu*

(82 centistokes)

400 ssu*

(82 centistokes)

400 ssu*

(82 centistokes)

Temperature: Suffi cient heat rejection capacity to limit 

maximum fl uid temperature to:

(At maximum expected ambient temperature)

140° F

(60° C)

140° F

(60° C)

140° F

(60° C)

140° F

(60° C)

Minimum cooling capacity at a temperature difference of 

between ambient and fl uid temps

3 hp

(2.24 kW)

40° F

(22° C)

5 hp

(3.73 kW)

40° F

(22° C)

6 hp

(5.22 kW)

40° F

(22° C)

7 hp

(4.47 kW)

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 minimum full-fl ow fi ltration

25 microns

25 microns

25 microns

25 microns

Sized for fl ow of at least:

(For cold temp startup and maximum dirt-holding capacity)

30 GPM

(114 LPM)

30 GPM

(114 LPM)

30 GPM

(114 LPM)

30 GPM

(114 LPM)

Hydraulic fl uid, petroleum based (premium grade, anti-

wear, non-conductive) Viscosity (at minimum and maximum 

operating temps)

100-400 ssu

(20-82 

centistokes)

100-400 ssu

(20-82 

centistokes)

100-400 ssu

(20-82 

centistokes)

100-400 ssu

(20-82 

centistokes)

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 requirements over a wide 

range of operating temperatures.

*SSU = Saybolt Seconds Universal

CLASSIFICATION

EHTMA 

HYDRAULIC SYSTEM 

REQUIREMENTS

B

C

D

Flow range

3.5-4.3 GPM

(13.5-16.5 

LPM)

4.7-5.8 GPM

(18-22 LPM)

7.1-8.7 GPM

(27-33 LPM)

9.5-11.6 GPM

(36-44 LPM)

11.8-14.5 GPM

(45-55 LPM)

Nominal operating pressure

(At the power supply outlet)

1870 psi

(129 bar)

1500 psi

(103 bar)

1500 psi

(103 bar)

1500 psi

(103 bar)

1500 psi

(103 bar)

System relief valve setting

(At the power supply outlet)

2495 psi

(172 bar)

2000 psi

(138 bar)

2000 psi

(138 bar)

2000 psi

(138 bar)

2000 psi

(138 bar)

NOTE: 

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

Oil Flow

Hose Lengths

Inside Diameter

USE

(

Press/Return)

Min. W

orking Pressure

GPM

LPM

FEET

METERS

INCH

MM

PSI

BAR

Certifi

 ed Non-Conductive Hose - Fiber Braid - for Utility Bucket T

rucks

4-9

15-34

up to 10

up to 3

3/8

10

Both

2250

155

Conductive Hose - W

ire Braid or Fiber Braid -DO NOT USE NEAR ELECTRICAL

 CONDUCT

ORS

4-6

15-23

up to 25

up to 7.5

3/8

10

Both

2500

175

4-6

15-23

26-100

7.5-30

1/2

13

Both

2500

175

5-10.5

19-40

up to 50

up to 15

1/2

13

Both

2500

175

5-10.5

19-40

51-100

15-30

5/8

16

Both

2500

175

5-10.5

19-40

100-300

30-90

5/8

16

Pressure

2500

175

3/4

19

Return

2500

175

10-13

38-49

up to 50

up to 15

5/8

16

Both

2500

175

10-13

38-49

51-100

15-30

5/8

16

Pressure

2500

175

3/4

19

Return

2500

175

10-13

38-49

100-200

30-60

3/4

19

Pressure

2500

175

1

25.4

Return

2500

175

13-16

49-60

up to 25

up to 8

5/8

16

Pressure

2500

175

3/4

19

Return

2500

175

13-16

49-60

26-100

8-30

3/4

19

Pressure

2500

175

1

25.4

Return

2500

175

Figure 1. 

Typical Hose Connections

Tool to Hydraulic Circuit Hose  Recommendations

The 

chart 

to 

the 

right 

shows 

recommended 

minimum hose diameters

 

for 

various 

hose lengths based 

on gall

ons per minute 

(GPM)/liters 

per 

minute 

(LPM). 

These 

recommendations 

are 

intended 

to 

keep 

return 

line 

pressure 

(back 

pressure

to 

minimum 

acceptable 

level 

to 

ensure

 

maximum 

tool 

performance. 

This chart 

is intended to 

be used for 

hydraulic 

tool applications only based on ST

ANLEY

 tool 

operating 

requirements 

and 

should 

not 

be 

used for any other applications.

All hydraulic hose must 

have at 

least a 

rated 

minimum 

working 

pressure 

equal 

to 

the 

maximum 

hydraulic 

system 

relief 

valve 

setting. 

All hydraulic hose must meet or exceed  specifi

 cations as set forth by SAE J517.

HOSE RECOMMENDATIONS

Summary of Contents for SK47

Page 1: ...2014 STANLEY Black Decker Inc New Britain CT 06053 U S A 10323 2 2018 Ver 9 USER MANUAL Safety Operation and Maintenance SK47 HYDRAULIC SINKER DRILL...

Page 2: ......

Page 3: ...y Note The warranty validation record must be submitted to validate the warranty SERIOUS INJURY OR DEATH COULD RESULT FROM THE IMPROPER REPAIR OR SERVICE OF THIS TOOL REPAIRS AND OR SERVICE TO THIS TO...

Page 4: ...messages that follow this symbol to avoid possible injury or death This safety alert and signal word indicates an imminently hazardous situation which if not avoided will result in death or serious in...

Page 5: ...connecting Use only lint free cloths Failure to do so may result in damage to the quick couplers and cause overheating of the hydraulic system Do not operate the tool at oil temperatures above 140 F 6...

Page 6: ...ESSURING SYSTEM SYSTEM PRESSURE HOSE MUST ALWAYS BE CON NECTED TO TOOL IN PORT SYSTEM RETURN HOSE MUST ALWAYS BE CONNECTED TO TOOL OUT PORT REVERSING CONNECTIONS MAY CAUSE REVERSE TOOL OPERATION WHICH...

Page 7: ...TH TO REMOVE DIRT AND MOISTURE AND TEST HOSE FOR MAXIMUMALLOWABLE CURRENT LEAKAGE INACCORDANCE WITH SAFETY DEPARTMENT INSTRUCTIONS SEE OTHER SIDE SIDE 2 D O N O T R E M O V E T H I S T A G 3 DO NOT EX...

Page 8: ...Pressure 2500 175 1 25 4 Return 2500 175 13 16 49 60 up to 25 up to 8 5 8 16 Pressure 2500 175 3 4 19 Return 2500 175 13 16 49 60 26 100 8 30 3 4 19 Pressure 2500 175 1 25 4 Return 2500 175 Figure 1 T...

Page 9: ...operator discomfort at the tool Filter minimum full flow filtration 25 microns 25 microns 25 microns 25 microns Sized for flow of at least For cold temp startup and maximum dirt holding capacity 30 G...

Page 10: ...si Supplying less than these specifications may result in inadequate extraction of rock cuttings cause cuttings to migrate up the drill steel and into the tool and result in tool damage diminish drill...

Page 11: ...e bit is lifted from the hole 15 When the tool drill steel and bit have been removed from the drill hole turn the valve lever OFF and turn the hydraulic supply circuit control valve OFF before changin...

Page 12: ...LEY Supply hoses must have a minimum working pressure rating of 2500 psi 172 bar Do not exceed the rated flow and pressure See Specifications in this manual for correct flow rate and pressure rating R...

Page 13: ...ract the stem then unscrew the entire tester assembly from the accumulator charging valve If pressure is low charge the accumulator as described in the following paragraph 7 Tighten the 5 8 inch hex l...

Page 14: ...14 SK47 User Manual Figure 2 Charging the Accumulator CHARGING THE ACCUMULATOR...

Page 15: ...blocked Remove restriction Orifice plug blocked Remove restriction Fluid too hot above 140 F 60 C or too cold below 60 F 16 C Check power unit for proper fluid temperature Bypass cooler to warm the fl...

Page 16: ...ith Air 7 8 in 22 mm Hex 4 1 4 in 108 mm H Thread 24 in 61 cm UC 05174 Carbide Rock Bits for use with Air 1 3 8 in 34 9 mm Diameter H Thread 05177 1 1 2 in 38 1 mm Diameter H Thread 05178 2 in 50 8 mm...

Page 17: ...SK47 User Manual 17 SK47 PARTS ILLUSTRATION 83 Motor Assy...

Page 18: ...VALVE 32 08097 1 VALVE SPOOL 33 08098 1 SPRING 34 08104 1 O RING PLUG 35 04934 1 CUP SEAL 36 04780 1 WASHER 37 04386 1 CUP SEAL 38 02022 1 O RING 39 00473 1 O RING ITEM PART NO QTY DESCRIPTION 40 0493...

Page 19: ......

Page 20: ...STANLEY Infrastructure 6430 SE Lake Road Portland Oregon 97222 USA 503 659 5660 Fax 503 652 1780 www stanleyinfrastructure com...

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