Service
Service Commitment

Response within 10 minutes

Engineers/accessories arrive in 12 hours

Trouble shooting done in 24 hours

Maintenance Policy

6 month warranty for the complete machine

Regular door to door service available within warranty period

Quick response and door to door maintenance provided within 24 hours

Standby equipment provided if maintenance downtime is over 3 days.

Perfect tracking management system, precise and timely maintenance service provided

HENR Technology Products Warranty Manual

NO.

Parts

Quantity

Warranty Period

Description

1

Main Valve Box Connecting Base

1

6 months or 1000 working hours

Connecting shaft, base

2

Main Valve Box

1

6 months or 1000 working hours

 

3

Rotary Bearing Assembly

1

6 months or 1000 working hours

rotary motor, rotary balance valve, slewing mechanism included; sealing element excluded

4

Propulsive Beam

1

6 months or 1000 working hours

 

5

Carriage Beam

1

6 months or 1000 working hours

 

6

Drill Bit Assembly

1

6 months or 1000 working hours

shank, impact piston, energy accumulator membrane, sealing element, etc. wearing parts excluded

7

Rock Drill Headstock Components

1

6 months or 1000 working hours

base plate, side plate, cylindrical pin

8

Pulley Base Component

1

6 months or 1000 working hours

pulley base plate, pulley bearing

9

Oil pipe tray base

1

6 months or 1000 working hours

 

10

Propulsion Cylinder

1

6 months or 1000 working hours

 

11

Compensating Cylinder

1

6 months or 1000 working hours

 

12

Main Valve

1

6 months or 1000 working hours

 

13

Hydraulic Oil Pipe

1

6 months or 1000 working hours

hydraulic pipe connector included

14

Energy Accumulator

1

6 months or 1000 working hours

energy accumulator membrane excluded

15

Oil Gas Distributor

1

6 months or 1000 working hours

 

16

Control Box

1

6 months or 1000 working hours

 

17

Sensor

Several

6 months or 1000 working hours

 

18

Fixture Block

Several

6 months or 1000 working hours

 

19

Front Bracket

1

6 months or 1000 working hours

 

20

Centre Drill-rod Lifter

1

6 months or 1000 working hours

drill-rod lifter cover excluded

21

Pulley

1

3 months

Pulley, bearing

22

Wirerope

2

3 months

 

23

Air Compressor Components

1

3 months or 500 working hours

Hosepipe, fuse, oils, lubricant, cooling liquid, belt, accumulator, sealing element, filter and other wearing parts excluded.

P.S.: Filter element, grabhook, sliding block, shank, bore bit, drill rod, connecting sleeve, oil, wire harness, fastener, sealing element, nylon, rubber etc. wearing parts and consumables are beyond the scope of warranty.

Warranty Manual-8 Hours Maintenance Details

NO.

Parts

Details

1

Rotary Motor

Refuel grease for both side grease holes.

2

Oil Gas Distributor

Check the oil level is in position of three-quarters.

3

Oil Cylinder

Propulsion cylinder, compensating cylinder no leakage.

4

Motor

Slewing bearing motor, drill bit motor no leakage.

5

Main Valve

No leakage.

6

Hydraulic Oil Pipe

Oil pipe connector no leakage.

7

Hydraulic Oil Pipe

Check the oil pipe tension of the hydraulic oil pipe tray and adjust the natural sagging not exceeding 30mm when in horizontal level.

8

Wirerope

Check the tension and adjust not exceeding 30mm when pressing by hands.

9

Fixture Block

The bolt is no looseness.

10

Electronic Control Box

Indicator lights when turn on the power switch.

11

Rock Drill Bit

Refuel lubricating grease.

12

Rock Drill Bit

Check leakage between the shank and connecting sleeve

13

Rock Drill Bit

Check damage of the thread in the shank.

14

Rock Drill Bit

Look out the hydraulic hose, if the vibration amplitude is overlarge, then check the energy accumulator damaged or not.

15

Air Compressor

Check warning messages.

16

Air Compressor

Oil level of the engine should be between two marks of the dipstick.

17

Air Compressor

Check leakage in the diesel.

18

Air Compressor

Check compressor oil level, the pressure gauge pointer should in the green area when shutdown.

19

Air Compressor

Fuel filter water discharges.

20

Air Compressor

Air filter vacuum valve emptying.

50 Hours Maintenance Details

NO.

Parts

Details

1

Fastening Bolt

Check fastening bolts of main valve /box, fixture block, bore bit, air compressor base and sensor assembly, and make sure no looseness or falling out.

2

Main Valve Connecting Base

Refuel grease for 2 hinge joints and 4 grease holes.

3

Slewing Bearing

Rotary motion no abnormal sound.

4

Oil Gas Distributor

Check abrasion and oil leakage condition.

5

Pulley Base

Refuel grease.

6

Pulley

No friction with the pulley base.

7

Hydraulic Oil Pipe

Oil pipe surface no abrasion.

8

Propulsion Oil Cylinder

Clean surface of the bare piston rod.

9

Compensating Cylinder

Clean surface of the bare piston rod.

10

Sensor Module

Limit switch and sensor unit no looseness or loss.

11

Hydraulic Oil Pipe Tray

Buttering the tray surface and tray bearing.

12

Hydraulic Oil Pipe Tray

Hydraulic oil pipe abrasion because of no mutual junction.

13

Rock Drill Bit

All threads should be tightened up.

14

Rock Drill Bit

Check damage of oil return accumulator.

15

Air Compressor

Check air, engine oil, fuel leakage of the compressor.

16

Air Compressor

Check damage and looseness of the engine base damping rubber.

17

Air Compressor

Check electrolyte liquid level and accumulator connecting wire.

18

Air Compressor

Reinforce the bolts 81Nm on oil-gas separator cover plate

19

Air Compressor

Check air filter, clean or change it when necessary.

20

Air Compressor

Check connection on the manifold of the air filter entry.

21

Air Compressor

Fuel filter water discharge

22

Air Compressor

Check whether the radiator blocking or not, use compressed air purge.

250 Hours Maintenance Details

NO.

Parts

Details

1

Fastening Bolt

Check fastening bolts of main valve /box, fixture block, bore bit, air compressor base and sensor assembly, and make sure no looseness or falling out.

2

Main Valve Box

No looseness of the connecting bolt that connected to the box base, tightening torque 300Nm.

3

Slewing Bearing

Tightening bolt torque 500Nm.

4

Oil Gas Distributor

Check wear and oil leakage.

5

Oil Gas Distributor

Hydraulic oil level is in the position of three-quarters.

6

Propulsive Beam

Check damage and wear.

7

Rock Drill Bit

The central position of the shank and clamping rod unit are concentric.

8

Rock Drill Bit

Check installation, tightening torque 73Nm.

9

Fixture Block

Fixture block bolt tightening torque 73Nm.

10

Sliding Block

Check wear, minimum thickness 4mm.

11

Pulley

No friction with the pulley base.

12

Oil Cylinder

Propulsion cylinder, compensating cylinder no leakage.

13

Oil Cylinder

Propulsion cylinder, compensating cylinder no damage or scratch.

14

Oil Cylinder Hinge Joint Bearing

Maximum clearance 1mm.

15

Compensating cylinder

Tightening torque 90Nm

16

Motor

Slewing bearing motor, drill bit motor no leakage.

17

Valve

Main valve no leakage.

18

Hydraulic Oil Pipe

Oil pipe connector no leakage.

19

Hydraulic Oil Pipe

Oil pipe surface no sign of wear.

20

Control Box

Normal action.

21

Display Screen

Propulsive hydraulic pressure is about 5MP, rotary hydraulic pressure is about 12MP, impacting pressure is about 20MP, main oil inlet P pressure is less than 25MP, oil return temperature is less than 80≧.

22

Sensor Module

Limit switch, induction block no looseness or missing.

23

Wirerope

Check the tension and adjust not exceeding 30mm when pressing by hands.

24

Hydraulic Oil Pipe Tray

Check the oil pipe tension and adjust the natural sagging not exceeding 30mm when in horizontal level.

25

Hydraulic Oil Pipe Tray

Hydraulic oil pipe abrasion because of no mutual junction.

26

Carriage

Check damage, tightening torque 185Nm.

27

Carriage

Gap between propulsive beam is 2-4mm.

28

Rock Drill Bit

Check damage of the thread in the shank. Change the shank per every 8000 meters drilling depth.

29

Rock Drill Bit

Check damage of the thread in the shank.

30

Rock Drill Bit

All threads should be tightened up.

31

Air Compressor

Check air, engine oil or fuel oil system no leakage.

32

Air Compressor

Refuel grease for door bolt, coupler and other moving parts.

33

Air Compressor

Clean the cooler dust or debris.

34

Air Compressor

Adjust the tightness degree of the fan belt.

35

Air Compressor

Check battery electrolyte liquid level and accumulator connecting wire.

36

Air Compressor

Check damage and looseness of the engine base damping rubber.

37

Air Compressor

Change engine oil per every 500 working hours.

38

Air Compressor

Change engine oil filter per every 500 working hours.

39

Air Compressor

Change fuel filter per every 500 working hours.

40

Air Compressor

Change air filter element per every 1000 working hours.

41

Air Compressor

Change compressor oil per every 1000 working hours.

42

Air Compressor

Change compressor oil filter per every 1000 working hours.