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3.1 BRIEF INTRODUCTION 

 

Redline backhoes can be attached to many brands of tractors and tracked dozers fitted with three point linkage, increasing 
their versatility.   

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

 
 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 
 

[8]   

 

 

 

Model   

 

BHM-195 

 

BHL-225 

 

Structure weight (kg)   

540   

700   

Max digging depth (m) A   

1.95   

2.25   

Max digging radius (m) B   

2.9   

3.3   

Max digging height (m) C   

3.17   

3.45   

Max unloading height (m) D   

2   

2.3   

Stabilizer width (m)   

1.7   

1.7   

Swing angle for boom   

180   

180   

Bucket turning angle   

195   

203   

Bucket turning angle   

0.02   

0.035   

Bucket width (mm)   

15L/MIN   

25L/MIN   

Min. hydraulic flow req.   

25L/MIN   

40L/MIN   

Max. hydraulic flow allowed   

13MPA   

13MPA   

Min. hydraulic press. Allowed.   

16MPA   

16MPA   

Bucket digging force (kg)   

1100   

1700   

Dipper arm digging force (kg)   

850   

1100   

Item   

Service   

Service Interval   

Hydraulic System Oil Level   

Check   

Daily / 10 Hours   

Hydraulic System Oil/Filter   

Replace   

Every 50 Hours   

Tyre Inflation   

Check   

Weekly / 50 Hours   

Backhoe Pivot Points   

Lubricate / Grease   

Daily / 10 Hours   

Backhoe Hydraulic Lines, Hoses, 
Connections   

Check for leaks, wear   

Daily / 10 Hours   

Boom, Arm, Swing and Bucket 

cylinder rod packing’s 

 

Check for seepage, service as 
needed   

Daily / 10 Hours   

Pivot Pin Bolts and Dust Covers   

Check, replace if missing   

Daily / 10 Hours   

Pin Wear   

Check, replace if necessary   

Daily / 10 Hours   

Backhoe Mount Hardware   

Check visually   

Daily / 10 Hours   

Structural Bolts and Nuts   

Re-torque   

Every 25 Hours 

Summary of Contents for BHL-225

Page 1: ......

Page 2: ...CKHOE MOUNTING 13 5 1 PTO CONNECTION BHF AND BHES MODELS 13 5 2 HYDRAULIC CONNECTION BHEF AND BHES MODELS 13 5 3 FITTING BACKHOE TO TRACTOR 13 5 4 REMOVE HACKHOE FROM TRACTOR 15 CHAPTER 6 BACKHOE OPER...

Page 3: ...ackhoe Refer to the Safety Precautions section of this manual for information concerning safety consult your dealer for further information Serial Number and Location Serial Number and Location The se...

Page 4: ...eeling Travel speed should be such that complete control and machine stability is maintained at all times Where possible avoid operation near ditches embankments and holes Reduce speed when turning cr...

Page 5: ...ng someone When using a backhoe be alert of bucket boom and arm position at all times Only operators who have been specially trained in backhoe operation and fully understand this manual can operate t...

Page 6: ...safety decals with new decals from your dealer 3 If a component with a safety decal s affixed is replaced with a new part ensure new safety decal s are attached in the same locations on the replaceme...

Page 7: ...6...

Page 8: ...7...

Page 9: ...MIN Max hydraulic flow allowed 13MPA 13MPA Min hydraulic press Allowed 16MPA 16MPA Bucket digging force kg 1100 1700 Dipper arm digging force kg 850 1100 Item Service Service Interval Hydraulic System...

Page 10: ...ents 1 Front Hose Dipper Arm 6 Hose Turning Cylinder 2 Long Hose Boom 7 Oil Return Cylinder 3 Control Valve DL F20L 8 Inlet Oil Hose Control Valve 4 Short Hose Boom 9 Inlet Hose Gear Pump 5 Rear Hose...

Page 11: ...3 3 Backhoe Main Components 1 Bucket 7 Stabilizer 2 Dipper Arm 8 Swing Post 3 Boom 9 Main Frame 4 Bracket for Control 10 Sub A Frame 5 Tank 11 Boom Safety Lock Pin 6 Seat 10...

Page 12: ...rate specified for your backhoe The flow may need to be reduced to an acceptable rate by throttling the engine RPM Adjusting the flow rate correctly could prevent sudden shock loads on the cylinders h...

Page 13: ...overlap of 150mm in drive position Connect PTO shaft to tractor PTO output shaft and backhoe hydraulic pump shaft Check PTO shaft has suitable angle prior to operation Angle of PTO shaft universals m...

Page 14: ...EF BHES models connect backhoe hydraulic hoses to tractor hydraulic remotes Refer to Photo 7 Lift boom stabilizer legs into transport mode fit boom safety pin and adjust 3 P L sway chains Refer to Pho...

Page 15: ...to 2 Remove A frame lockout upper and lower bolts Refer to Photo 3 Remove A frame lockout bars Refer to Photo 4 Remove 2 piece solid top link Refer to Photo 5 Lower 3 P L onto 3 secure stands Refer to...

Page 16: ...15...

Page 17: ...e Backhoe if the fittings are leaking or if the hoses are damaged A sudden line burst would cause the boom to drop suddenly potentially causing death bodily injury or property damaged CAUTION Before d...

Page 18: ...lar servicing We urge you to follow this advice 1 Read and understand this manual as well as the Tractor Operator s Manual 2 Remember and observe the safety precautions brought to your attention in th...

Page 19: ...controls in neutral and either set the parking brake or place tractor in park as equipped When possible keep cylinders in a retracted position when the backhoe is in use guard against rust and contami...

Page 20: ...m provide four simultaneous operations Both experience and practice are needed to eliminate excess motion and increase operating efficiency Do not dig near the stabilizers to avoid possible accident D...

Page 21: ...ack and the place the lock pins through holes in swing frame and boom For models BHES and BHUS side shift boom carries to one side swing boom to opposite side and drop pin through holes in swing frame...

Page 22: ...m in the same direction you are about to slide it the loading edge of the boom hitch plate with catch and dig in when you attempt to slide it across this will eventually wear out the slides or create...

Page 23: ...izers could collapse Make all movements slow And gradual when practicing operation CAUTION Operate from backhoe operator s seat only Pay attention be ready to stop immediately in case Of emergency CAU...

Page 24: ...23...

Page 25: ...Hydraulic System Oil Level Check Daily 10 Hours Hydraulic System Oil Filter Replace Every 50 Hours Tyre Inflation Check Weekly 50 Hours Backhoe Pivot Points Lubricate Grease Daily 10 Hours Backhoe Hyd...

Page 26: ...ion problems Determine the problem that best describes the operational problem being experience and eliminate the possible causes as listed by following the correction procedures 25 Model BHM 195 BHL...

Page 27: ...nd correct hydraulic hose connections Stabilizer Legs Swing Boom Dipper Arm and Bucket Cylinders not working Hydraulic hoses to from control valve blocked Check for damage kinked hoses etc Backhoe con...

Page 28: ...nd correct hydraulic hose connections Stabilizer Legs Swing Boom Dipper Arm and Bucket Cylinders not working Hydraulic hoses to from control valve blocked Check for damage kinked hoses etc Backhoe con...

Page 29: ...level Check and replenish hydraulic fluid Hydraulic hoses connected improperly Check and correct hydraulic hose connections Stabilizer Legs Swing Boom Dipper Arm and Bucket Cylinders not working Hydr...

Page 30: ...FRONT ARM 29...

Page 31: ...MAIN BOOM 30...

Page 32: ...SWING JOINT 31...

Page 33: ...SIDE SHIEFT FRAME 32...

Page 34: ...BASE 33...

Page 35: ...OPERATION PANNEL AND OIL TANK 34...

Page 36: ...SUPPORTING LEG 35...

Page 37: ...SEAT 36...

Page 38: ...BUCKET 37...

Page 39: ...FRONT ARM ASSEMBLY 38...

Page 40: ...MAIN BOOM 39...

Page 41: ...40...

Page 42: ...BOTTOM SEAT ASSEMBLY 41...

Page 43: ...SWING POST ASSEMBLY 42...

Page 44: ...SEAT 43...

Page 45: ...th m 1 7 1 7 Swing angle for boom 180 180 Bucket turning angle 195 203 Bucket turning angle 0 02 0 035 Bucket width mm 15L MIN 25L MIN Min hydraulic flow req 25L MIN 40L MIN Max hydraulic flow allowed...

Page 46: ...45...

Page 47: ...ydraulic hoses connected improperly Check and correct hydraulic hose connections Stabilizer Legs Swing Boom Dipper Arm and Bucket Cylinders not working Hydraulic hoses to from control valve blocked Ch...

Page 48: ...raulic hoses connected improperly Check and correct hydraulic hose connections Stabilizer Legs Swing Boom Dipper Arm and Bucket Cylinders not working Hydraulic hoses to from control valve blocked Chec...

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