Operating Backhoe

8/6/2019 Operating Backhoe

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perating Backhoe

Operating Backhoe

ackhoe Operator Station

X13927

- Auxiliary Hydraulics Foot Pedal (Optional)

- Boom Control and Swing Lever

- Boom Lock

- Swing Lock

- Dipperstick and Bucket Lever

- Left Stabilizer Lever

- Right Stabilizer Lever

nstalling and Removing Backhoe

nstalling Backhoe

ttp://manuals.deere.com/cceomview/OMLVU13606_G2/Output/OMLVU13606_I26.html (1 of 19)06.08.2008 13:43:33
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perating Backhoe

MPORTANT: Avoid damage! Failure to remove drawbar from machine willesult in damage to machine, backhoe, or both.

Remove 3-point hitch and drawbar if installed on machine.

Lower rockshaft fully.

Start engine.

Unlock park brake.

Back machine into position to install backhoe.Lock park brake.

Stop engine. Operator seat should remain facing to the front.

Remove retaining pins and attaching pins stored in the backhoe subframe.

MPORTANT: Avoid damage! To prevent backhoe seal and valve damage,ngine must be stopped when connecting hydraulic quick-couplers.

lways connect the hydraulic return hose first.

X13935

Connect hydraulic hose (A) from the backhoe to machine quick coupler (B).

0. Connect hydraulic hose (C) from the machine to backhoe quick coupler (D).

1. Unlock park brake.

c CAUTION: Avoid injury!

Do not operate controls from the ground when installing the attachment.perator must be positioned on the operator seat.

Keep hands and feet away from mounting location when installingttachment.

Practice becoming proficient and comfortable with the operation of thettachment controls. Move control levers slowly for safe operation.

Keep bystanders away from the machine when installing the attachment.



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perating Backhoe

2. Kneel on operator seat.

3. Start engine.

X13937, MX15496, MX15498

4. Push both stabilizer levers (E) slowly forward to extend stabilizers (F)venly and raise the backhoe subframe.

MPORTANT: Avoid damage! Watch hydraulic hoses for pinching and bindingwhile backhoe attachment is being mounted on the machine. Stop procedure

nd reposition hoses as needed.

OTE: When using the repositioning creeper drive speed control, the machineill not move if operator is not positioned on the seat. The machine will stop ifperator vacates the seat while machine is in motion.

5. Slowly move machine rearward using the repositioning creeper drive speedontrol lever. The backhoe subframe mounting pins (G) must be alignedrectly above the machine mounting hooks (H).

6. Pull both stabilizer levers slowly rearward to retract each stabilizer evenlynd pins (G) engage hooks (H).



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perating Backhoe

X13936

7. Slowly lower backhoe boom to rotate top of subframe forward. Each side ofe subframe must engage mounting yokes (I) at the rear of the machine.

ontinue to lower boom until the rear wheels of the machine are just off theround and mounting holes are fully aligned.

8. Install attaching pins (J).

9. Install retaining pins (K).

X15495

0. Fully retract boom and engage boom lock (L).

1. Fully retract dipperstick and curl bucket.

2. Fully retract stabilizers.

emoving Backhoe

Park machine on a hard/ level surface.

Lock park brake. Operator seat should remain facing to the front.

Kneel on operator seat.

Disengage boom lock.



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perating Backhoe

X13931

Extend stabilizers (A) approximately 10 - 15 cm (4 - 6 in.) above theround.

Extend boom and dipperstick slightly. Lower boom to release pressure on

taching pins.

X13936

Remove retaining pins (B).

Remove attaching pins (C).



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perating Backhoe

X13937, MX15496, MX15498

Raise boom slowly to rotate top of backhoe subframe (D) away fromachine.

0. Install attaching and retaining pins into backhoe subframe for storage.

1. Extend stabilizers evenly to lift subframe pins (E) out of mounting hooksF).

2. Unlock park brake.

MPORTANT: Avoid damage! Watch hydraulic hoses for pinching and bindingwhile backhoe attachment is being removed from the machine. Stop procedurend reposition hoses as needed.

OTE: When using the repositioning creeper drive speed control, the machineill not move if operator is not positioned on the seat. The machine will stop ifperator vacates the seat while machine is in motion.

3. Move machine forward slightly using the repositioning creeper drive speedontrol lever. The backhoe subframe mounting pins must clear the machineounting hooks.

4. Lock park brake.



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perating Backhoe

5. Retract stabilizers slowly and evenly to lower backhoe to ground.

MPORTANT: Avoid damage! To prevent backhoe seal and valve damage,ngine must be stopped when disconnecting the hydraulic quick-couplers.

6. Stop engine.

MPORTANT: Avoid damage! To prevent contamination of quick couplers, hosends should be connected when not being used.

X13935

7. Disconnect hydraulic hoses (G) and (H).

Connect machine hydraulic hose (G) to machine quick coupler (I).

Connect backhoe hydraulic hose (H) to backhoe quick coupler (J).

8. Start engine.

9. Drive slowly away.

sing Backhoe Swing Frame Lock

wing Lock

Operator positioned on operator seat.

Start engine.



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perating Backhoe

X15494

Move boom control lever (A) left or right to align lock pin holes.

Remove lock pin (B) from storage holder (C) and install in lock hole.

wing Unlock

Move boom control lever (A) slightly left or right to relieve pressure on lockn (B).

Remove lock pin from lock hole and store in holder (C).

sing Backhoe Boom Lock

oom Lock

Operator positioned on operator seat.

Start engine.

X15495

Pull boom control lever (A) rearward to fully raise boom.

Squeeze boom lock handles (B) together to disengage lock mechanism latch.

Pull back on handles to engage lock.



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perating Backhoe

oom Unlock

Pull boom control lever (A) rearward to raise boom and relieve pressure onck mechanism.

Squeeze boom lock handles (B) together to disengage lock mechanism latch.

Push handles forward to disengage lock.

sing Backhoe Operating Controls


Do not operate attachment controls from the ground. Operator must beositioned on the operator seat.

Practice becoming proficient and comfortable with the operation of thettachment controls. Move control levers and pedals slowly for safe operation.

Keep bystanders away from the machine when operating the attachment.

MPORTANT: Avoid damage! When operating the backhoe and performing aoom swing function, be careful not to swing boom into stabilizers.

X13927eft Stabilizer Lever - Push lever (A) forward to extend the left stabilizer.ull lever (A) rearward to retract the left stabilizer. Function speed willcrease the more the lever is moved forward or rearward. The lever willutomatically return to the centered neutral position when released.

ght Stabilizer Lever - Push lever (B) forward to extend the rightabilizer. Pull lever (B) rearward to retract the right stabilizer. Function

peed will increase the more the lever is moved forward or rearward. Thever will automatically return to the centered neutral position when

eleased.



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perating Backhoe

oom Control and Swing Lever - Move lever (C) forward to lower theoom. Move lever (C) rearward to raise the boom. Move lever (C) left towing boom to the left. Move lever (C) right to swing boom to the right.unction speed will increase the more the lever is moved forward andearward or side-to-side. The lever will automatically return to the centeredeutral position when released.

ipperstick and Bucket Control Lever - Move lever (D) forward toxtend the dipperstick. Move lever (D) rearward to retract the dipperstick.ove lever (D) to the left to curl the bucket. Move lever (D) to the right to

ump the bucket. Function speed will increase the more the lever is movedrward or rearward. The lever will automatically return to the centeredeutral position when released.

X13932

OTE: The auxiliary hydraulic pressure relief is initially set at 2500 psi. Refer toe attachment operator's manual for attachment operating pressure. See your

ohn Deere dealer if adjustment is required.

uxiliary Hydraulic Foot Control Pedal (Optional) - Auxiliary hydraulic

uick couplers (E) and (F) are mounted on each side of the dipperstick.epress front of pedal (G) to divert hydraulic fluid out of quick coupler (F)nd return fluid through quick coupler (E). Depress rear of pedal (G) tovert hydraulic fluid out quick coupler (E) and return fluid through quick

oupler (F). Function speed will increase the more the pedal is depressed.he pedal will automatically return to the centered neutral position wheneleased.

reparing to Operate Backhoe

Back machine close to desired digging location on a hard, level surface.

Lock park brake.



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perating Backhoe

Lower loader and boom to the ground until front tires are off ground.

Pivot and lock operator seat into position facing to the rear.

Lower stabilizers until rear tires are off ground and machine is level.

Remove swing lock pin and store in holder.

Unlock boom lock.

Check control lever response.

ositioning Spoil Piles

104828

o prevent cave-ins, place spoil pile at least 1m (3 ft) away from edge ofxcavation. Deeper excavations require larger area for spoil pile. Place spoilles in convenient locations for easier truck loading or backfilling.

n slopes, place piles on upper side for improved machine stability and easierackfilling.

eveling Machine


Prevent unexpected machine movement. Stabilizers must be lowered onto aard, level surface. Do not dig under stabilizers. Be alert to possible machine

movement when raising the stabilizers and loader bucket.

Keep both feet on subframe platform and away from stabilizers whenperating attachment.

Do not operate attachment controls from the ground. Operator must be

ositioned on the operator seat.

Position machine on a hard, level surface when operating the backhoe.

Level work area as necessary.

OTE: When stabilizers are lowered to level machine, they may not bextended the same length due to variations in surface.



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perating Backhoe

104828

Extend stabilizers until rear tires are off the ground with minimum clearanceetween tires and ground.

If machine is not level, continue to extend the down slope stabilizer untilachine is level side-to-side.

104823

With front bucket in dig position, lower until weight of machine is off frontres. Add material in bucket for additional counterweight if needed, especially ifackhoe is facing downslope.

104824 Position loader in dump position only when loader bucket is lowered level toe ground and will not hold machine steady.

sing Backhoe Bucket

se type of digging which is best suited for your specific job.

rowd Digging



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perating Backhoe

104826

or most general excavating, leveling material, and digging trenches.

rowd digging utilizes the dipperstick cylinder (A) for majority of movement.

Position dipperstick in vertical position (B).

Extend dipperstick and extend bucket simultaneously approximately 0.61 m2 ft) (C) away from machine.

Retract dipperstick and curl bucket simultaneously back to vertical (B), toake first cut. First cut should be approximately 1.2 m (4 ft) long and 75 - 100m (3 - 4 in.) deep.

Repeat steps 1 and 3 for remaining cuts and increase depth to 100 - 150m (4 - 6 in.) deep.

ucket Digging

104827

or power digging or working in small areas.

ses bucket cylinder (A) for digging.

Extend bucket and dipperstick to dig point.



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perating Backhoe

Lower bucket into digging area using boom to force bucket into ground.

Retract dipperstick and curl bucket simultaneously until bucket is full.

bucket stalls, raise the boom slightly and continue to curl bucket.

dipperstick stalls, roll back bucket then raise boom slightly to break out.

sing a Sight Gauge for Trenching

102503rive two stakes in ground, 9 m (30 ft) apart (A), in line with desired trenchcation. Use stakes as a sight gauge. Use of a sight gauge is recommendedspecially if machine is moved off course often.

renching

7208AL

renches should be dug with walls angled outward to prevent cave-ins.

c CAUTION: Avoid injury! Do not drive over trench. Machine may slip

nto trench or cause a cave-in which may result in overturning or burial ofmachine.



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perating Backhoe

104829

cave-in occurs and cannot be reached from current position, drive machine tode of cave-in, and park at a 90angle to trench.

Operating Dipperstick with Attachments

perating hydraulic attachments such as hammers or compactors withpperstick extended may cause abnormal wear and stress on dipperstick

omponents and ultimately shorten their life. When operating these types of

tachments, keep dipperstick as close to vertical as possible.

nstalling and Removing Backhoe Attachment withtandard Pin-On System

nstalling Attachment

X15497

Remove cotter pins (A), washers (B) and pin fasteners (C) stored inpperstick arm.

Lower boom to align dipperstick arm mounting holes and attachmentounting holes.

Install pin fasteners (C) through attachment and dipperstick arm mountingoles. Secure each side of attachment with washers (B) and cotter pins (A).



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perating Backhoe

emoving Attachment

Lower attachment onto a hard, level surface.

Remove cotter pins (A), washers (B) and pin fasteners (C).

Slowly raise boom.

Install pin fasteners, washers and cotter pins in dipperstick arm mountingoles for storage.

nstalling and Removing Backhoe Attachment withOptional Quick Attach System

nstalling Attachment

Align dipperstick arm with attachment to be installed.

X13929

cture Note: Bucket attachment shown.

Begin sliding boom pin (A) into attachment mounting groove (B). Extend theucket cylinder (bucket curl) to lower boom wedge (C) into slot (D).

X15499, MX13928



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perating Backhoe

cture Note: Bucket attachment shown.

Install wedge bar (E), lynch pins (F), and wedge bar bolt (G).

c CAUTION: Avoid injury! Do not operate attachment without wedge

ar bolt tightened to 135.5 Nm (100 lb-ft) and lynch pins inserted into wedgear pins. Failure to follow these instructions may cause attachment to come

ff.

Tighten wedge bar bolt (G) to 135.5 Nm (100 lb-ft).

emoving Attachment

Park machine safely. (See Parking Safely in the SAFETY section.)

Position bucket flat on ground.

c CAUTION: Avoid injury! Do not remove lynch pins until the wedge

ar bolt has been loosened and pressure relieved from wedge bar.

Loosen wedge bar bolt (G) eight to ten turns.

Loosen wedge bar (E) with a pry bar.

Remove wedge bar bolt (G), lynch pins (F), and wedge bar (E).

Retract bucket cylinder to release mounting wedge (C) from slot (D).

Retract dipperstick to release boom pin (A) from mounting groove (B).

sing Backhoe Stabilizer Feet



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perating Backhoe

X13939, MX13940

Rotate foot (A) past roller (B) to use flat side (C) of stabilizer foot whenperating on hard surfaces.

Rotate foot (A) past roller (B) to use flat side of stabilizer foot equipped withptional foot pads (D). Foot pads provide additional protection when operatingn hard surfaces.

Rotate foot (A) past roller (B) to use cleat side (E) of stabilizer foot whenperating in dirt.

nstalling Backhoe Stabilizer Rubber Foot PadsOptional)

Raise both backhoe stabilizers.

Park machine safely. (See Parking Safely in the SAFETY section.)



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Operating Backhoe

Text of Operating Backhoe

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Operating Backhoe

Text of Operating Backhoe