John Deere 1650 Backhoe Operator’s Manual Instant Download (Publication No.OMA43093)

1
1650
BACKHOE
1650 BACKHOE OMA43093 C1 English
PLOW PLANTER WORKS OMA43093 C1
LITHO IN THE U.S.A. ENGLISH
2
INTRODUCTION This safety alert symbol identifies
impor- tant safety messages in this manual. When
you see this symbol, be alert to the possi-
bility of personal injury and carefully read the
message that follow s. Right-hand and left-hand
sides are determ ined by facing the direction in
which the backhoe operates. Front is at the
bucket and rear is at the backhoe control
levers. Record your backhoe serial number in the
space pro- vided on page 67. Your warranty
appears on your copy of the purchase order which
you should have received from your
dealer. Measurements are shown with their
respective Metric equivalents throughout this
operator's manuaL These equivalents are the SI
(International System) Units of Measure.
3
1650 BACKHOE DELIVERY CHECK LIST
TO THE DEALER
After the backhoe has been assembled and
lubricated, inspect it thoroughJy to be sure it
is functioning properly before delivering it to
the customer. The following check list is a
reminder of points to check. Check off each item
as it is found satisfactory or after proper
adjustment has been made. The John Deere Delivery
Receipt, when prope rly filled out and signed by
the dealer and customer. verities that the
predelivery and delivery services were satis-
factorily performed . When delivering this
machine, give the customer a copy of the delivery
receipt and the oper atOr'S manual. Explain their
purpose. Be certain to reta.n your copy of the
packing list for shipping bundle information.
The following check list is a rem inder of very
important information which should be conveyed
directly to the customer at the time the backhoe
is delivered. Check off each item as it is fully
explained to the customer.
0 Advise the customer that the life expectancy of
this or any other machine is dependent on regular
maintenance incJudtng lubrication and bolt
torque. If applicable, advise customer of
tractor rpm re - striction. See page 13. Tell
the customer all about safety precautions that
must be observed while using tnis backhoe. When
backhoe is transported on a road or highway at
night or during the day, accessory lights and
devices should be used for adequate warning to
operators of other vehicles. Give the operator s
manual to the customer and explain al! operating
adjustments. To the best of my knowledge, this
machine has been delivered ready for field use
and the customer has been fully informed as to
proper care and operation.
PREDELIVERY CHECK LIST The following check list
is a reminder of points to inspect. Check off
each item as it is found satisfactory or after
proper adjustment is made. 0 Lubricate all
lubrication points. See pages 24 and 25. C Check
to be sure that all bolts are tight and all
cotter pins are spread. See torque chart on page
31. O Paint all unpaintea bolts ana nuts and any
parts scratched in shipment. O Check hydraulic
system to De sure that all compo- nents are
tight. IMPORTANT If backhoe is used with
tractor equipped with pump having more than 15
gallons per minute (56.8 L per minute) capacity,
be sure to operate the tractor at less than 1800
rpm. If tractor Selective Control Valve is
used, insert backhoe hoses securely into
breakaway coupler. Operate backhoe. If backhoe
does not operate as illustrated on control lever
decal, the hydraulic hoses are not connected
correctly. See page 59. T This backhoe has been
tested and, to the best of my knowledge, is ready
for delivery to the customer.
foate OefiveredJ
(Signature cl Delivery Person)
OWNER REGISTER NAME POST OFFICE COUNTY
STATE MODEL SERIAL NUMBER DATE SOLD
(Dale Set-Up)
4
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Contents
Safety

4-5 Preparing for Use

6-11 Attaching to Tractor

32 Transporting

13-17 Operating Adjustments

18-19 Trouble Shooting

20-23 Detaching from Tractor

24-25 Lubrication

26-29 Service

30 Attachments

31-64 Assembly

65-67 Specifications

68-69 Index
6
Safety
OPERATE BACKHOE SAFELT To prevent instability
before attaching or detaching, be sure boom and
dipperstick are extended and bucket is on the
ground. Operate backhoe only from backhoe
operator's seat. Lower stabilizers and bucket to
ground before leaving operator's seat. Never
allow anyone to work under a raised bucket. Do
not use the backhoe bucket as a battering ram. Do
not dig under the stabilizers. Soft ground or
sandy soil will cave-in. Do not drive near the
edge of a ditch, gully or excava- tion. Be
careful to prevent the unit from tipping sideways
if it strikes an excavation, ditch, or other
irregularity, especially on hillsides. The rate
o1 travel on hillsides and curves should always
be such that there is no danger of tipping. Do
not oil, grease, or adjust the unit while it is
in motion. When digging far to either side and in
close, the bucket may contact the stabilizers and
could cause serious damage. Carry the backhoe low
at all times, especially when working on a
sidehill or backing up an incline. Watch for
overhead wires. Never touch wires with any part
of the backhoe. Be sure bystanders are clear of
the backhoe before towering stabilizers or moving
the boom. Be sure area is clear of underground
obstructions befoie digging.
7
PROTECT AGAINST NOISE Prolonged exposure to loud
noise can cause impair- ment or toss of
hearing. Wear a suitable hearing protective
device such as earmuffs (A) or earplugs (B) to
protect against objec- tionable or uncomfortable
loud noises.
AEarmufts BEar Plugs
AVOID HIGH PRESSURE FLUID LEAKS
Escaping fluid under pressure can have sufficient
force to penetrate the skin, causing serious
injury. Befo e disconnecting fines, be sure to
relieve pressure. Befo e applying pressure, be
sure all connections are tight and that lines,
pipes and hoses are not damaged. Use a piece of
cardboard or wood, rather than your hands, to
search for leaks. If injured by escaping fluid,
see a doctor at once. Serious infection or
reaction can develop if proper medical treatment
is not administered immediately.
S o
TRANSPORT SAFELY Topreventbackhoemovement,
awaysengage boom locklever(A)andswinglockpn(B)when
tansporting. Extend boom and dipperstick and
lower bucket to ground before attaching or
detaching backhoe. When transporting the unit on
a road or highway at night or during the day, use
accessory lights and devices for adequate warning
to the operators of other vehicles. In this
regard, check local governmental reg- ulations.
Various safety lights and devices are avail- able
from your John Deere dealer. ABoom Lock Lever
BSwing Lock Pin
8
Preparing for Use
PREPARING THE TRACTOR
Drawbar, Center Link and SMV Emblem Locate
drawbar in its shortest position. Remove center
link and SMV emblem. Hydraulic Oil Level NOTE.
The tractor must be on a level surface and
engine stopped to make an accurate oil
check. Check oil level. If necessary, Bill to
proper level on dipstick. Ballast, Wheel Spacing
and Tire Inflation To ensure proper stability,
adjust ballast, wheel spac- ing and tire
inflation according to tractor operator's
manual. Use the following implement code to find
the required front ballast in the tractor
operator's manual,
4-5
Size of Boom Short ............ Long .
Implement Code .... 81 .... B7
Tractor Seat Move tractor seat forward for
adequate clearance.
9
Preparing for L/se 5 PREPARING THE
BACKHOE Open- and Closed-Center Plug IMPORTANT
Be sure proper system plug is in- stalled into
valve before attaching backhoe. Refer to assembly
section, page 62. Lubrication Refer to pages 24
and 25.
4-5
10
Attaching To Tractor

• POSITIONING TRACTOR
• NOTE. Refer to Assembly for FRONT MOUNTING
  BRACKET assembly instructions,
• CAUTION The backhoe must not be mounted on
  tractors having a horizontal exhaust system.
  Exhaust would be emitted too close to the
  operator.
• Position tractor over backhoe and align backhoe
  probe and front tractor braciet.
• NOTE. The oil pan protector (bold arrow) may need
  to be shortened lor use on some tractor models.
• (Not illustrated) Shut engine off and relieve
  pres- sure in hydraulic system.
• IMPORTANT If attaching to tractor equipped with
  pump having more than 15 gallons per minute (56.8
  L per minute) ca- pacity, be sure to operate the
  tractor at less than 1800 rpm. If tractor Se-
  lective Control Valve is used, insert backhoe
  hoses securely into break- away couplers or
  damage to the backhoe valve may result.
• CONNECTING HYDRAULIC HOSES
• CAUTION Escaping hydraulic oil under pressure
  can have sufficient force to pen- etrate the
  skin, causing serious injury. Be- fore connecting
  lines, be sure to relieve all preGsure. Before
  applying pressure to the system, be sure all
  connections are tight and that lines, pipes and
  hoses are not damaged.
• Hydraulic oil escaping from a very small hole can
  be almost invisible. Use a piece of cardboard or
  wood, rather than your hands, to search for sus-
  pected leaks.
• If injured by escaping hydraulic oil, see a
  doctor at once. Serious infection or reaction can
  develop if proper medical treatment is not
  administered mediately.
• IMPORTANT The pressure port is the top port on
  backhoe valve. Pressurizing bottom return valve
  port will damage 0- rings in valve or valve
  body.

11
Attaching to Tractor T
OpenCenter Tractors IMPORTANT Make certain
open-center plug has been installed in backhoe
control valve. See page 62. Remove cap from
return fitting on bracket and install backhoe
return line (A). Move bypass hose (B) from the
pressure fitting to bracket holdef
fitting, lnstaJI backhoe pressure hose (C) to the
pressure fitting on the bracket,
ABackhoe Return Line Backhoe Pressure Hose
Closed-Center Tractors Tractor Using Selective
Control Valve NOTE Inside hydraulic outlet will
be pressurized when selective control valve is
locked in rear position on frac/or. Connect
pressure hose (A) and return hose (B) to
selective control valves on tractor. NOTE If
chatter from pump cavitation is neard, adjust
metering valve (see tractor operator's manual) or
install se/ec//ve control valve oil return kit.
See your John Deere dealer. IMPORTANT Install
backhoe hoses securely in tractor breakaway
couplets or fail- ure to the backhoe valve will
result. NOTE. If using backhoe on a tractor
equipped with front end laader and only one
selective control valve, cornec backhoe as
explained on page 8. APressure Hose Return Hose
Continued on next page
12
8 Attaching to Tractor
Tractor Equipped With Selective Control Valve But
Not Using It For Backhoe Remove cap from tee in
filter cover. Remove cap from dump valve. NOTE.
If tractor is equipped with oil return hose, the
cap will be in the tee installed on tfie dump
valve. Install pressure hose (A). Install return
hose B).
6-11
APressure Hose VReturn Hoae
Tractor Not Equipped With Selective Control
Valve Backhoe Only Remove caps from filter cover
and dump valve. Install pressure hose (A) from
backhoe to dump valve. Install return hose (B)
from backhoe to filter cover.
APressure Hose VRetutn Hose
13
Aftaching to Tractor 9
Backhoe and Front End Loader Remove cap installed
in tee in filter cover. Remove cap installed in
tee in dump valve. install pressure hose
(A). Install return hose (B).
APressure Hose VReturn Hose
6-11
MOUNTING BACKHOE
NOTE.- For closed-center tractor using selective
con- trol valve only, lock selective control
valve lever in a rearward position with lock-oul
plate.
CAUTION Operate backhoe onty from backhoe
operator's seat. To prevent instability before
attaching or detaching, be sure boom and
dipperstick are extended and bucket is on
ground. 1. Start engine and extend dipperstick
and lower boom to 9round.
14
10 Attaching fo Tractor
2. Line up backhoe probe and tractor bracket hole
by moving stabifizers and boom.
3. Back tractor and partially insert probe into
bracket.
15
Attaching to Tractor 11
4. Adjust stabilizers to align backhoe support
pins with left- and right-hand mounting brackets.
G1l2O8
6-11

• IMPORTANT Make sure tractor seat is moved
• forward.
• Back tractor until support pins are inserted com-
  pletely into tractor brackets
• Install tapered pins into tractor mounting
  bracket anc secure witn clip pins.

16
Transporting
IMPORTANT Lock backhoe boom and swing in
position. When transporting on a public road,
keep as far to the right as possible, and do not
exceed 20 mph (32 km/h). Position boom,
dipperstick and bucket as shown. Install swing
lock pin (A) and latch boom lock lever
(B). CAUTION A chain or rope must be used to
secure stabilizers in their highest
position. Raise stabilizers (C) to nighest
position. Attach SMV emblem (D) to bracket on
dipperstick.
ASwing Lock Pin Boom Lock Lever Stabilizer ASMV
Emblem
Before transporting, pivot seat up and insert
seat lock pin (E) in hole as shown. CAUTION To
avoid possible injury or ma- chine damage, the
tractor must have ade- quate front end weight
when transporting or operating. See page
4. CAUTION When transporting the backhoe on a
road or highway at night or during the day, use
accessory lights and other de- vices for adequate
warning to operators of other vehicles. In this
regard, check local governmental regulations.
Various safety lights and devices are available
from your John Deere dealer.
ESeat Lock Pin
17
Operating Adjustments
13
GENERAL
CAUTION Operate backhoe only from backhoe
operator's seat. Lower stabilizers and bucket
before leav- ing operator's seat. To prevent boom
swing, always engage swing pin lock before
mounting or dis- mounting. IMPORTANT Check
hydraulic oil level with boom and dipperstick
extended after a period of operation. IMPORTANT
If backhoe is used with tractor equipped
with pump having more than 15 gallons per minute
(56.8 L per minute) capacity, be sure to
opera1e the tractor at less than 1800 rpm. If
tractor is equipped with Se- lective Control
Valve, insert back- hoe hoses into breakaway
couplers.
13-17
BOOM AND SWING IMPORTANT Make sure boom locking
lever (A) is in unlocked position and swing lock
pin (B) is removed and placed in storage hole
before attempting to operate.
ABoom Lock Lever BSwing Lock Pin
18
14 Operating Adjustments
BACKHOE CONTROLS
Stabilizers To lower stabiJizers, push stabiJizer
levers (A) and (B) forward to raise stabilizers,
pull levers rearward. Boom and Swing To raise
boom, pull lever (C) back to lower boom push
lever forward. To swing boom to the left, mov'e
boom and swing lever (C) to the left to swing
boom to the right, move lever to the
right. Dipperstick and Buckets To move
dipperstick down and toward operator, pull
dipperstick and bucket lever (D) rearward to
move dipperstick up and away from operator, push
lever (D) forward. To curl bucket inward, move
dipperstick and bucket lever (D) to the left to
dump bucket outward, move lever (D) to the right.
s
ALeft-Hand Stabilizer Lever RigMHand StabiJizer
Lever WBoom and Sning Lever DDipperstick and
Bucket Lever
19
Operating Adjustments 15
DIGGING TECHNIQUES
Digging Stance
AStabilizers CAUTION To avoid possible bodily
injury or damage to buried cable, check for un-
derground obstructions before digging. IMPORTANT
When digging far out to either side or in close,
the bucket could contact the stabilizers (A) and
cause serious damage. Before digging, lower
stabilizers to the ground. Do not raise rear
tractor tires with stabilizers Tf equipped with
front end loader, be sure loader bucket (B) is in
contact with 9round. Do not raise front tractor
tires with bucket during operation.
WBucket
Bucket Digging Lower bucket to ground,
simultaneously retract the dipperstick and roI!
the bucket until the bucket is full. Raise
bucket, swing and dump into spoil pile.
20
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16 Operating Adjustments
Dipper Digging Lower bucket with cutting teeth
flat on ground. Retract dipperstick until bucket
is half full. Begin to roll bucket back. Continue
to retract dipperstick untiJ bucket is full.
Moving Tractor With Backhoe
13-1Y
VBoom Cylinder VDipper Cylinder As you dig, it
may be necessary to move the tractor forward. It
is permissible to use the backhoe to position the
tractor forward while digging. IMPORTANT hlever
use the backhoe to move the tractor to the left
or right. To move the tractor, raise stabilizers
A) and loader bucket (if equipped). Extend boom
cylinder (B) and lower backhoe to the
ground. IMPORTANT Never lih tractor with backhoe
when dipper cylinder is fully extended. Extend
boom sylinder until weight is removed from read
tractor wheels. Retract dipper cylinder (C) to
move tractor forward.
AStabilizers
22
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