PDF Repair Manual John Deere 690E LC Excavator - 2 MB
This technical repair manual for the John Deere 690E LC Excavator is the ultimate guide for servicing and repairing your machine.
It includes detailed instructions, diagrams, and specifications to assist mechanics in any repair task.
From the engine to the hydraulic system, every component is covered in extensive detail.
Keep your excavator performing at its best with this comprehensive manual, which is essential for any serious technician.
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--- Page 1 ---
690E LC
Excavator
Repair
TECHNICAL MANUAL
690E LC Excavator Repair
TM1509 02JUL98 (ENGLISH)
For complete service information also see:
690E LC Excavator
Operation and Tests . . . . . . . . . . . . . . . . . . . TM1508
6068 Engine (Serial No. —559602) . . . . . . . . CTM8
6068 Engine (Serial No. 559603—) . . . . . . . . CTM104
Alternators and Starting Motors . . . . . . . . . . CTM77
Worldwide Construction
And Forestry Division
LITHO IN U.S.A.
--- Page 3 ---
Group 0001
Safety
00
Follow Safe Procedures 0001
1
Unsafe work practices are dangerous. Understand service
procedure before doing work; do not attempt shortcuts.
–19–07OCT88
TS231
TX,05,FF1611 –19–14JUN90–1/1
Prepare for Emergencies
Be prepared if a fire starts.
Keep a first aid kit and fire extinguisher handy.
Keep emergency numbers for doctors, ambulance service,
–UN–23AUG88
hospital, and fire department near your telephone.
TS291
DX,FIRE2 –19–03MAR93–1/1
TM1509 (02JUL98) 00-0001-1 690E LC Excavator Repair
021506
PN=9
--- Page 4 ---
Safety
00
Work in a Clean Area 0001
11
Before starting a job, clean the work area. Remove
objects that may be a safety hazard to the mechanic or
bystanders.
TX,05,FF1624 –19–14JUN90–1/1
Use Tools Properly
Use tools appropriate to the work. Makeshift tools, parts,
and procedures can create safety hazards.
Use power tools only to loosen threaded tools and
fasteners.
–UN–08NOV89
For loosening and tightening hardware, use the correct
size tools. DO NOT use U.S. measurement tools on
metric fasteners. Avoid bodily injury caused by slipping
TS779
wrenches.
Use only recommended replacement parts. (See Parts
Catalog.)
TX,05,FF1614 –19–14JUN90–1/1
Replace Safety Signs
Replace missing or damaged safety signs. See the
machine operator’s manual for correct safety sign
placement. –UN–23AUG88
TS201
DX,SIGNS1 –19–04JUN90–1/1
TM1509 (02JUL98) 00-0001-11 690E LC Excavator Repair
021506
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--- Page 5 ---
Torque Values
00
Angle Fitting 0003
5
1. Back-off lock nut (A) and back-up washer (B)
completely to head-end (C) of fitting.
2. Turn fitting into threaded boss until back-up washer
–UN–18OCT88
contacts face of boss.
3. Turn fitting head-end counterclockwise to proper index
(maximum of one turn).
T6520AB
NOTE: Do not allow hoses to twist when tightening
fittings.
4. Hold fitting head-end with a wrench and tighten locknut
and back-up washer to proper torque value.
STRAIGHT FITTING OR SPECIAL NUT TORQUE CHART
Thread Size N•m lb-ft
3/8-24 UNF 8 6
7/16-20 UNF 12 9
1/2-20 UNF 16 12
9/16-18 UNF 24 18
3/4-16 UNF 46 34
7/8-14 UNF 62 46
1-1/16-12 UN 102 75
1-3/16-12 UN 122 90
1-5/16-12 UN 142 105
1-5/8-12 UN 190 140
1-7/8-12 UN 217 160
NOTE: Torque tolerance is ± 10%.
04T,90,K66 –19–19MAR96–2/2
TM1509 (02JUL98) 00-0003-5 690E LC Excavator Repair
021506
PN=29
--- Page 6 ---
Fuels And Lubricants
00
Hydraulic Oil 0004
5
–19–27JUN95
T8508AD
Depending upon the expected air temperature range
between oil changes, use oil viscosity shown on the Manufacturer Oil
temperature chart above. Mobil DTE 25
Shell Tellus 46
The following oils may be used. Caltex Oil Rando Oil HD46
Texaco Inc. Rando Oil HD46
• John Deere HY-GARD Transmission and Hydraulic
Oils. Chevron U.S.A. Inc. Chevron AW46
• You may also use other oils meeting John Deere Esso Standard Oil NUTO H46
Standard J20C or J20D.
HY-GARD is a registered trademark of Deere & Company. TX,45,DH3705 –19–30JUN95–1/1
TM1509 (02JUL98) 00-0004-5 690E LC Excavator Repair
021506
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--- Page 7 ---
Track System
Other Material
Number Name Use
PT569 (U.S.) John Deere NEVER-SEEZ Apply to spring pin, bracket bore,
01
Lubricant and end of shaft for track roller and 0130
front idler. 3
T43512 (U.S.) Thread Lock and Sealer (Medium To be applied to threads of plug for
TY9473 (Canadian) Strength) Products upper track roller and front idler.
242 (LOCTITE)
TY9370 (U.S.) Thread Lock and Sealer (Medium To be applied to threads of plug for
TY9477 (Canadian) Strength) Products upper track roller and front idler.
242 (LOCTITE)
T43513 or TY9371 (U.S.) John Deere Thread Lock and Sealer Apply to threads of cap screws for
(High Strength) sprocket.
TY6305 (U.S.) Clean and Cure Primer Products Used to clean and cure surface prior
TY9485 (Canadian) to application of adhesives and
764 (LOCTITE) sealants.
NEVER-SEEZ is a registered trademark of the Emhart Chemical Group.
LOCTITE is a registered trademark of Loctite Corp. TX,0130,AB437 –19–21AUG97–1/1
TM1509 (02JUL98) 01-0130-3 690E LC Excavator Repair
021506
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--- Page 8 ---
Track System
NOTE: Only remove bushings if replacement is
necessary.
9. Remove bushing using a 2-jaw puller and adapters
from 17-1/2 and 30 ton puller set.
01
0130
10. Repair or replace parts. 13
11. Inspect metal face seals. (See procedure in this
group.)
–UN–25OCT88
T5920AB
Continued on next page TX,0130,AB445 –19–21FEB92–4/6
TM1509 (02JUL98) 01-0130-13 690E LC Excavator Repair
021506
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--- Page 9 ---
Track System
Remove And Install Track Shoes
CAUTION: The approximate weight of 800 mm
(31 in.) shoe is 23 kg (50 lb).
01
–UN–08NOV88
Specification 0130
800 mm (31 in.) Shoe—Weight.............................................. 23 kg (50 lb) 23
1. Remove four nuts and cap screws to remove shoe.
T82861
2. Before installing shoes, clean paint, dirt and debris
from mounting surfaces of shoes and links.
3. Apply oil to cap screw threads and bearing surface on
head before installing cap screws.
4. Install nuts so rounded corners (A) are against links
and not the chamfered edge (B).
–UN–08NOV88
5. Starting at any cap screw, tighten cap screws in
sequence shown, to 298 N•m (220 lb-ft) plus 1/2 (180°)
turn.
T82862
Specification
Shoe-to-Link Cap Screws—
Torque ........................................................... 298 N•m (220 lb-ft) plus 1/2
(180°) turn
–UN–23FEB89
T6794AM
–UN–23FEB89
T6352AH
TX,0130,AB453 –19–12APR95–1/1
TM1509 (02JUL98) 01-0130-23 690E LC Excavator Repair
021506
PN=69
--- Page 10 ---
Track System
5. Measure distance (A) at middle track roller from bottom
of track frame to top surface of track shoe.
Specification
Middle Roller—Track Sag ....................... 305—325 mm (12.0—12.75 in.)
01
0130
–UN–26OCT88
33
T6450AN
TX,0130,AB555 –19–12APR95–3/4
CAUTION: High pressure grease in track
adjuster cylinder. Do not remove grease fitting
or valve to release grease.
6. To decrease track sag, add multi-purpose grease to
track adjuster cylinder through grease fitting (A) using
–UN–28NOV90
a grease gun with a maximum capacity of 68 950 kPa
(690 bar) (10,000 psi).
Specification
T7396DZ
Grease Gun—Capacity ....................... 68 950 kPa (690 bar) (10,000 psi)
To increase track sag, loosen valve (B) one turn to
release grease from track adjuster cylinder through hole
(C) in rod. Tighten valve when track sag is correct.
NOTE: If piston in track adjuster cylinder does not move,
remove the cylinder to make repairs.
TX,0130,AB555 –19–12APR95–4/4
TM1509 (02JUL98) 01-0130-33 690E LC Excavator Repair
021506
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--- Page 11 ---
Track System
7. Check oil level in idler. If the oil level is down and there
is no external leakage, check for a leak from oil cavity
to interior of idler.
8. Apply thread lock and sealer (medium strength) to
01
threads of plug. Install and tighten plug. 0130
43
TX,0130,AB556 –19–21FEB92–2/2
Remove And Install Track Adjuster Cylinder
And Recoil Spring
1. Remove track and front idler wheel. (See procedures in
this group.)
TX,0130,AB463 –19–26FEB92–1/2
2. Remove cap screws (B) to remove idler and yoke from
track adjuster cylinder and recoil spring (A).
3. Inspect and repair as necessary.
4. Install track adjuster cylinder and recoil spring to yoke.
–UN–16JAN92
5. Tighten cap screws to 90 N•m (65 lb-ft).
Specification
T7681BN
Track Adjuster Cylinder and
Recoil Spring-to-Yoke Cap
Screw—Torque ................................................................ 90 N•m (65 lb-ft)
TX,0130,AB463 –19–26FEB92–2/2
TM1509 (02JUL98) 01-0130-43 690E LC Excavator Repair
021506
PN=89
--- Page 12 ---
Axle Shaft, Bearings, And Reduction Gears
Other Material
Number Name Use
TY6305 (U.S.) Clean and Cure Primer Products Used to clean and cure surfaces
TY9485 (Canadian) prior to application of adhesives and
764 (LOCTITE) sealants.
T43513 (U.S.) Thread Lock and Sealer (High Used to apply to threads of
TY9474 (Canadian) Strength) Products sprocket-to-housing cap screws.
271 (LOCTITE) 02
0250
3
T43512 (U.S.) Thread Lock and Sealer (Medium Used to apply to threads of third
TY9473 (Canadian) Strength) Products planet carrier-to-support hub cap
242 (LOCTITE) screws.
TY9375 (U.S.) Pipe Sealant TEFLONProducts Used to apply to threads of plugs in
TY9480 (Canadian) gearbox cover.
592 (LOCTITE)
LOCTITE is a registered trademark of Loctite Corp.
TEFLON is a registered trademark of the DuPont Company. TX,0250,DW340 –19–22NOV94–1/1
TM1509 (02JUL98) 02-0250-3 690E LC Excavator Repair
021506
PN=99
--- Page 13 ---
Axle Shaft, Bearings, And Reduction Gears
16. Loosen, but do not remove, cap screws (A).
NOTE: Thread lock and sealer (medium strength) is used
on threads of cap screws.
–UN–06JAN92
T7626BK
02
0250
TX,0250,AB507 –19–21FEB92–11/13 13
CAUTION: The approximate weight of gearbox
and sprocket is 232 kg (578 lb).
17. Remove cap screws (D) to remove gearbox and
sprocket as an assembly.
18. Make repairs as necessary. (See procedure in this
group.)
19. Install right gearbox with brake port at the 12:30
o’clock position. Install left gearbox with brake port at
the 5:30 o’clock position.
20. Tighten cap screws to 540 N•m (400 lb-ft).
Specification
Sprocket-to-Housing Cap
Screw—Torque ............................................................ 540 N•m (400 lb-ft)
21. Install sprocket. Clean threads of cap screws using
clean and cure primer. Apply thread lock and sealer
–UN–06JAN92
(high strength) to threads of cap screws. Tighten cap
screws to 540 N•m (400 lb-ft).
Specification
T7626DI
Frame-to-Gearbox Cap Screw—
Torque ......................................................................... 540 N•m (400 lb-ft)
22. Install O-ring. Install propel motor. Tighten cap screws A—Cap Screw (6 used)
B—Right Gearbox Brake Port at 12:30 O’clock
to 75 N•m (55 lb-ft). Position
C—Propel Motor
Specification D—Cap Screw (16 used)
Propel Motor-to-Gearbox Cap
Screw—Torque ................................................................ 75 N•m (55 lb-ft)
Continued on next page TX,0250,AB507 –19–21FEB92–12/13
TM1509 (02JUL98) 02-0250-13 690E LC Excavator Repair
021506
PN=109
--- Page 14 ---
Axle Shaft, Bearings, And Reduction Gears
3. Clean seals to be reused by removing all foreign
material from seal rings, except seal face (A), using a
scraper or a stiff bristled fiber brush.
4. Wash seal rings and O-rings using a volatile,
non-petroleum base solvent to remove all oil.
–UN–23FEB89
Thoroughly dry parts using a lint-free tissue.
Apply a thin film of oil to seal ring face.
T82840
02
0250
TX,0250,AA3036 –19–11NOV94–3/3 23
TM1509 (02JUL98) 02-0250-23 690E LC Excavator Repair
021506
PN=119
--- Page 15 ---
Group 0260
Hydraulic System
Service Equipment And Tools
NOTE: Order tools from the U.S. SERVICE-GARD
Catalog or from the European Microfiche Tool
Catalog (MTC). Some tools may be available from
a local supplier.
02
0260
SERVICE-GARD is a trademark of Deere & Company. TX,0260,DW595 –19–12APR95–1/4 1
Pump Workbench Support1 . . . . . . . . . . . . . . . DF1039
Used to hold propel motor housing.
Pump Rotary Group1 . . . . . . . . . . . . . . . . . . . DF1040
Used to hold rotary group.
Spool Holding Fixture1 . . . . . . . . . . . . . . . . . DFT1077
Used to hold counterbalance valve piston.
1
Fabricated tool, dealer made. (See Section 99 for instructions to make
tools.)
TX,0260,DW595 –19–12APR95–2/4
Rotary Manifold Lifting Tool1 . . . . . . . . . . . . . DFT1157
Used to remove and install rotor manifold.
1
Fabricated tool, dealer made. (See Section 99 for instructions to make
tools.)
Continued on next page TX,0260,DW595 –19–12APR95–3/4
TM1509 (02JUL98) 02-0260-1 690E LC Excavator Repair
021506
PN=129
--- Page 16 ---
Hydraulic System
8. Put cardboard (C) on cylinder block to protect surface.
9. Break roller cage (D) to remove rollers.
10. Remove bearing inner race (A) and spacer (B) using
a bearing puller.
A—Inner Race
B—Spacer
C—Cardboard
D—Roller Cage 02
0260
11
–UN–06JAN92
T7626CP
TX,0260,AB165 –19–25FEB92–6/11
IMPORTANT: Do not scratch, nick, or damage lapped
surfaces of cylinder block.
11. Put cardboard (B) and workbench support (C) on
cylinder block. Turn over to remove shaft and swash
plate (A).
–UN–18DEC91
T7626CR
Continued on next page TX,0260,AB165 –19–25FEB92–7/11
TM1509 (02JUL98) 02-0260-11 690E LC Excavator Repair
021506
PN=139
--- Page 17 ---
Hydraulic System
18. Install oil seal (D) with lip to inside of housing until
seal bottoms on shoulder (A).
NOTE: If suitable seal sleeve and driver are available,
install seal after installing drive shaft.
–UN–27NOV91
19. Install washer (B) and snap ring (C).
A—Shoulder
B—Washer
T7626AW
C—Snap Ring 02
D—Oil Seal 0260
21
TX,0260,AB524 –19–22FEB92–8/13
20. Install parts (A—N).
Install shims (O) as determined in steps 12—16.
21. Heat bearing cone to 200°C (300°F) in oven.
A—Drive Shaft
B—Swash Plate
C—Piston (9 used)
D—Retainer Plate
E—Ball Guide
F—Needle Bearing (3 used)
G—Cylinder Block
H—Washer
I—Spring
J—Washer
K—Washer
L—Snap Ring
M—Washer
N—Bearing Cone
O—Shim (As required)
–UN–10DEC94
T8378AK
Continued on next page TX,0260,AB524 –19–22FEB92–9/13
TM1509 (02JUL98) 02-0260-21 690E LC Excavator Repair
021506
PN=149
--- Page 18 ---
Hydraulic System
Remove And Install Low Speed Selector
Valve
CAUTION: Hydraulic reservoir is pressurized.
Loosen fill cap to release pressure.
–UN–05FEB92
1. Loosen reservoir fill cap to release air pressure in
reservoir.
T7681FJ