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Summary of Contents for HYCON HED
- Page 1 Handheld Earth Drill HYCON A/S Juelstrupparken 11 DK-9530 Støvring Denmark Tel: +45 9647 5200 Fax: +45 9647 5201 Mail: hycon@hycon.dk www.hycon.dk...
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Page 2: Table Of Contents
Contents Side Safety Precautions....................2 Oil Flow and Pressure ..................4 Technical Data ....................5 Service and Maintenance ..................6 Oil Types ......................6 Fault Location ....................7 Dismounting of Main Components ............... 8 Mounting of Earth Drill..................10 Tool List ......................18 Spare Parts List ....................19... -
Page 3: Safety Precautions
• Never leave the earth drill, when it is connected to the powerpack. • Use only original HYCON augers. • Always use approved hoses. Contact your dealer if necessary. Be careful to mount the hoses correctly. The earth drill is marked with “P” and “T”, and “P” should be connected to pressure and “T”... - Page 4 • Do not try to do a job with an earth drill that is too small for the job. • Always make sure that the labels and warning signs on the earth drill are legible. • Always use hoses, couplings and spares as such recommend by HYCON A/S. • Repairs may only be carried out by experienced personnel.
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Page 5: Oil Flow And Pressure
A too high oil flow and/or a too high pressure results in overload of the earth drill, meaning that the lifetime of your new HYCON tool will not be as expected, and that your service and repair costs will be too high. -
Page 6: Technical Data
3. Technical Data Weight 19.6 kg (43.2 lbs) EHTMA category Oil flow 20-40 l.p.m. (5-10 g.p.m.) Working pressure nominal 80 bar (1200 psi) Built-in torque limiter (pressure relief valve) 90 bar (1300 psi) Max. setting of pressure relief valve on power source 210 bar (3100 psi) Max. -
Page 7: Service And Maintenance
NB. At service/repair it is important to mount the quick-release couplings correctly. Mount the female coupling at “P” and the male at “T”. Oil Types The HYCON earth drill uses standard hydraulic oil, i.e. all types of mineral oil and biodegradable oil, which comply with the following values: Recommended viscosity... -
Page 8: Fault Location
6. Fault Location Problem Cause Solution Earth drill is difficult to hold, Pressure relief valve may be Dismount pressure relief valve keeps turning clogged up or defective and clean with compressed air, or replace the valve Wrong adjustment of Adjust pressure relief valve pressure relief valve correctly Hydraulic oil is leaking at... -
Page 9: Dismounting Of Main Components
7. Dismounting of Main Components Dismount the spring pin on the trigger rod. Dismount the screw at the bottom of the driving shaft. Dismount the three screws at the side of the driving shaft. The driving shaft can now be removed from the motor shaft. Dismount the two screws that fix the motor to the frame. Remove the motor from the frame. - Page 10 Dismount the flat-face couplings from the fittings. Dismount the two fittings. Dismount the pressure relief valve. Dismount the two banjo bolts that fix the valve block to the motor. The valve block can now be removed from the motor. Earth Drill Main Components...
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Page 11: Mounting Of Earth Drill
8. Mounting of Earth Drill Add Loctite 542 to the two threads. Mount the two pipe plugs. Turn around the valve block, and add Loctite 542 to the thread as shown on the picture, and mount the pipe plug. Mount the threaded plug with seal. - Page 12 Place the seal at the bottom of the seal housing. Press or strike in the seal by means of HYCON special tool No. 9991664. Place the rod wiper at the outside of the seal housing. Press or strike in the rod wiper by means of HYCON...
- Page 13 Mount the O-ring in the groove on the seal housing. Do the same on the other seal housing. Mount a spring ring on the trigger rod. Mount the spool on the trigger rod. Mount another spring ring at the other side of the spool. Mount the lock for spring ring on the trigger rod. Mount the spring and the spring retainer on the trigger rod.
- Page 14 Add Loctite 243 to the two threads, and mount the trigger plate with the two screws. Tighten the screws with a torque of 25 Nm. Mount the lock for spring ring, spring, spring retainer and seal housing on the trigger rod. Add Loctite 243 to the two threads, and mount the trigger plate.
- Page 15 Mount the threaded plug with seal. Mount the motor on the frame. Mount the two bolts, washers and lock nuts that fix the motor to the frame. Add Loctite 638 to the two threads on the trigger bracket. Mount the two trigger levers in the trigger bracket. Mount the complete trigger handle on the frame with screw, washer and lock nut.
- Page 16 Mount the O-ring in the eye for trigger lever. Mount the retaining ring on the trigger lever, and then mount the eye on the lever. Mount the other retaining ring at the other side of the eye. Mount the nuts at both ends of the threaded rod. Add Loctite 243 to the thread on the eye for trigger lever.
- Page 17 Mount the nut on the trigger rod. Add Loctite 243 to the thread on the joint piece for fork head. Mount the joint piece on the threaded rod. Add Loctite 243 to the thread on the fork head and mount it on the threaded rod. Mount the spring pin through fork head and joint piece.
- Page 18 Add Loctite 243 to the three threads in the driving shaft and tighten the three screws slightly. Mount the driving shaft down over the motor shaft, and tighten the three screws with a torque of 25 Nm. Place the screw through the washer and add Loctite 243 to the screw.
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Page 19: Tool List
Reversible ratchet 1/2” e. Sockets 1/2", sizes 24, 30 mm f. Combination spanners, sizes 10, 13, 19, 24, 27, 30 mm g. External circlip plier h. HYCON special tool No. 9991664 i. Silicone j. Loctite Nr. 234, 542, 638...
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