Allmand TLB 408 User Manual
CONTRACTOR
408A
BACKHOE
Rev. 6
OM408 6737 1/11/00
OPERATOR’S & PARTS
MANUAL
ALLMAND BROS. INC.
P.O. Box 888 · HOLDREGE, NE USA
(308) 995-4495 ·(800) 562-1373
Fax 308-995-5887
75449
TABLE OF CONTENTS
SERVICE PARTS
MAINFRAME ASSEMBLY ................................. SN #8408AX973 AND UP ....................#922475
UP TO SN #8408AX972 ......................#922476
Mainframe
Swing Post
Swing Cylinder
Stabilizers
Hose Bundle
SEAT ............................................................................................................................#922001
BOOM & DIPPER ASSEMBLY ........................... SN #8408AX973 AND UP .................... #922477
UP TO SN #8408AX972 ......................#922478
Boom
Dipper
CONSOLE ASSEMBLY ..................................... HIDROIRMA VALVE ............................#922479
VALVE ASSEMBLY .......................................... HIDROIRMA VALVE ............................#922267
CONSOLE ASSEMBLY ..................................... GRESEN VALVE .................................#922480
VALVE ASSEMBLY .......................................... GRESEN VALVE .................................#922267
CYLINDERS
SWING CYLINDER .............................................................................................#922070
STABILIZER CYLINDER .....................................................................................#922076
BOOM CYLINDER ................................ SN #8408AX973 AND UP ....................#922153
DIPPER CYLINDER .............................. SN #8408AX973 AND UP .................... #922293
BUCKET CYLINDER ............................. SN #8408AX973 AND UP ....................#922164
HOSE SETS
MAINFRAME HOSE SET .....................................................................................#922105
BOOM & DIPPER HOSE SET ................ HIDROIRMA VALVE ............................#922107
STABILIZER PAD OPTIONS
FLAT STABILIZER PAD ASSEMBLY ................................................................. #920116
GROUSER STABILIZER PAD ASSEMBLY .........................................................#920115
RUBBER STABILIZER PAD ASSEMBLY ...........................................................#920117
BUCKET OPTIONS
10" BUCKET ........................................................................................................#920102
12" BUCKET ........................................................................................................#920103
16" BUCKET ........................................................................................................#920104
18" BUCKET ........................................................................................................#920105
24" BUCKET ........................................................................................................#920106
UP TO SN #8408AX972 ......................#922187
UP TO SN #8408AX972 ......................#922188
UP TO SN #8408AX972 ......................#922190
GRESEN VALVE ................................. #922104
FIRST LINE REPAIR KIT ...............................................................................................#922467
DECALS ...........................................................................................................................#922198
6728
6-9-98-2
MAINFRAME ASSEMBLY
ASSEMBLY #922475
MAINFRAME
SERIAL #8408AX973 AND UP
1
2
3
4
5
6
7
8
7
6
9
4
3
2
10
1
12
11
10
1
7459
6-5-98
MAINFRAME ASSEMBLY
ASSEMBLY #922475
MAINFRAME
SERIAL #8408AX973 AND UP
NO REQ'D PART NO. DESCRIPTION
1 4 922272 .38" UNC X 1.00" Hex Capscrew
(Two pin retaining capscrews installed
with Locktite Grade 242)
2 2 922273 .38" Flat Washer
3 2 922109 Spacer Tube
4 2 920113 Pin
2 922274 Grease Zerk
5 1 922271 Thrust Washer 1.38" X .125"
6 2 922275 Snap Ring
7 2 920114 Bearing
8 1 922227 Mainframe
(Includes (4) #83815 Bushings - Installed
with Locktite Grade 680)
9
10 3 922277 .38" Lock Washer
11 2 922228 Spacer
12 2 922229 Hose Clamp
As Req'd 922220 Thrust Washer 1.38" X .031"
As Req'd 922221 Thrust Washer 1.38" X .090"
As Req'd 922271 Thrust Washer 1.38" X .125"
NOTE: Use thrust washers (Item #9) to adjust mainframe / swing post to
minimum free play.
6-5-98
7460
MAINFRAME ASSEMBLY
ASSEMBLY #922475
SWING POST
SERIAL #8408AX973 AND UP
1
2
3
4
5
9
8
9
8
10
10
6
7
8
9
4
3
1
11
7461
6-8-98
MAINFRAME ASSEMBLY
ASSEMBLY #922475
SWING POST
SERIAL #8408AX973 AND UP
NO REQ'D PART NO. DESCRIPTION
1 3 922272 .38" UNC X 1.00" Hex Capscrew
(Installed with Locktite Grade 242)
2 2 922277 .38" Lock Washer
3 3 922273 .38" Flat Washer
4 3 922109 Spacer Tube
5 2 922027 Pin
6 1 922278 Swing Post (Includes (2) 81828 Bushings
Installed with Locktite Grade 680)
7 1 922108 Pin
8 As Req'd 922220 Thrust Washer 1.38" X .031"
As Req'd 922221 Thrust Washer 1.38" X .090"
As Req'd 922271 Thrust Washer 1.38" X .125"
9 3 922110 Snap Ring
10 - 922045 Bushing (Included in Swing Post)
(1)
(Installed with Locktite Grade 680)
11 1 922111 Pin
1 922274 Grease Zerk
NOTE:
(1) Pivot Pin #922108 is sold only in Pin Kit #86309. Kit includes one pin
#922108, two thrust washers #922260 and two snap rings #922110.
7462
12-17-99-2
MAINFRAME ASSEMBLY
ASSEMBLY #922475
SWING CYLINDER
SERIAL #8408AX973 AND UP
9
7
8
MAINFRAME
4
1
2
5
6
13
10
11
12
13
SWING POST
5
4
3
8
14
7463
6-8-98
MAINFRAME ASSEMBLY
ASSEMBLY #922475
SWING CYLINDER
SERIAL #8408AX973 AND UP
NO REQ'D PART NO. DESCRIPTION
1 As Req'd 922266 Thrust Washer 1.25" X .078"
As Req'd 922194 Thrust Washer 1.25" X .145"
As Req'd 922279 Thrust Washer 1.25" X .031"
2 - 922081 Self Aligning Bushing
(Included in Swing Cylinder Assembly)
3 2 922218 Spacer
4 4 922226 Thrust Washer
5 - 922029 Needle Bearing
(Included in Swing Cylinder Assembly)
6 2 922070 Swing Cylinder Assembly
(Includes (2) #82441 Needle Bearings and
(2) #62523 Bushings)
2 922274 Grease Zerk
2 922280 LH Lateral Tee
7 2 922281 90° Grease Zerk
8 4 922028 Pin
9 4 922282 .38" UNC X 2.00" Hex Capscrew
10 4 922273 .38" Flat Washer
11 4 922225 Spacer Tube
12 4 922283 .38" UNC Hex Lock Nut
13 - 922113 Bushing (Included in Mainframe - Installed
with Locktite Grade 680)
14 2 922281 90° Grease Zerk
12-17-99-2
7464
MAINFRAME ASSEMBLY
ASSEMBLY #922475
STABILIZERS
SERIAL #8408AX973 AND UP
MAINFRAME
2
3
2
1
4
1
1
2
3
2
1
5
7
2
6
7465
6-8-98
MAINFRAME ASSEMBLY
ASSEMBLY #922475
STABILIZERS
SERIAL #8408AX973 AND UP
NO REQ'D PART NO. DESCRIPTION
1 8 922284 Snap Ring
2 As Req'd 922266 Thrust Washer 1.25" X .078"
As Req'd 922194 Thrust Washer 1.25" X .145"
As Req'd 922279 Thrust Washer 1.25" X .031"
3 4 922030 Pin
4 2 922076 Stabilizer Cylinder Assembly
4 922274 Grease Zerk
5 2 922186 Stabilizer Arm
6 2 922031 Pin
7 2 922270 Cotter Pin .25" X 2.00"
(1)
NOTE:
(1) Pivot Pin #922030 is sold only in Pin Kit #86314. Kit includes one pin
#922030, two thrust washers #922194 and two snap rings #922284.
7466
6-8-98
HOSE BUNDLE CLAMPS
1
2
3
3
4
1
7392
4-22-98
HOSE BUNDLE CLAMPS
UP TO SERIAL #---10065
NO REQ'D PART NO. DESCRIPTION
1 2 922272 .38" UNC X 1.00" Hex Capscrew
2 1 922240 Right Hose Bundle Clamp
3 2 922283 .38" UNC Deformed Lock Nut
4 1 922241 Left Hose Bundle Clamp
SERIAL #---10065 AND UP
NO REQ'D PART NO. DESCRIPTION
1 2 922272 .38" UNC X 1.00" Hex Capscrew
2 1 922241 Right Hose Bundle Clamp
3 2 922283 .38" UNC Deformed Lock Nut
4 1 922241 Left Hose Bundle Clamp
7393
10-12-98-2
MAINFRAME ASSEMBLY
ASSEMBLY #922476
MAINFRAME
UP TO SERIAL #8408AX972
1
2
3
4
5
6
7
8
9
14
10
7
6
11
4
3
2
12
1
15
13
12
1
16
17
18
16
15
6720
6-5-98-2
MAINFRAME ASSEMBLY
ASSEMBLY #922476
MAINFRAME
UP TO SERIAL #8408AX972
NO REQ'D PART NO. DESCRIPTION
1 4 922272 .38" UNC X 1.00" Hex Capscrew
(Two pin retaining capscrews installed
with Locktite Grade 242)
2 2 922273 .38" Flat Washer
3 2 922109 Spacer Tube
4 2 920113 Pin
2 922274 Grease Zerk
5 1 922271 Thrust Washer 1.38" X .125"
6 2 922275 Snap Ring
7 2 920114 Bearing
8 1 922227 Mainframe
(Includes (4) #922113 Bushings - Installed
with Locktite Grade 680)
9 1 922285 Swing Lock Pin
10 4 922286 Rubber Bumper
4 922287 .50" UNC Lock Nut
11 As Req'd 922220 Thrust Washer 1.38" X .031"
As Req'd 922221 Thrust Washer 1.38" X .090"
As Req'd 922271 Thrust Washer 1.38" X .125"
12 3 922277 .38" Lock Washer
13 2 922228 Spacer
14 2 922229 Hose Clamp
15 2 922288 Bushing
16 2 922289 Cotter Pin .12 X 1.00"
17 1 922290 Linkage
18 1 922291 Shoulder Screw
NOTE: Use thrust washers (Item #11) to adjust mainframe / swing post to
minimum free play.
6721
6-5-98-4
MAINFRAME ASSEMBLY
ASSEMBLY #922476
SWING POST
UP TO SERIAL #8408AX972
1
2
3
4
5
9
8
9
8
10
10
6
11
7
8
9
4
3
2
1
6722
6-8-98-2
MAINFRAME ASSEMBLY
ASSEMBLY #922476
SWING POST
UP TO SERIAL #8408AX972
NO REQ'D PART NO. DESCRIPTION
1 3 922272 .38" UNC X 1.00" Hex Capscrew
(Installed with Locktite Grade 242)
2 3 922277 .38" Lock Washer
3 3 922273 .38" Flat Washer
4 3 922109 Spacer Tube
5 2 922027 Pin
6 1 922222 Swing Post (Includes (2) 81828 Bushings
Installed with Locktite Grade 680)
7 1 922108 Pin
8 As Req'd 922260 Thrust Washer 1.38" X .031"
As Req'd 922193 Thrust Washer 1.38" X .090"
As Req'd 922192 Thrust Washer 1.38" X .125"
9 3 922110 Snap Ring
10 - 922045 Bushing (Included in Swing Post)
(Installed with Locktite Grade 680)
11 1 922214 Pin
6723
6-8-98-4
MAINFRAME ASSEMBLY
ASSEMBLY #922476
SWING CYLINDER
UP TO SERIAL #8408AX972
9
7
8
MAINFRAME
4
1
2
5
6
13
10
11
12
13
SWING POST
5
4
3
8
6724
6-8-98-3
MAINFRAME ASSEMBLY
ASSEMBLY #922476
SWING CYLINDER
UP TO SERIAL #8408AX972
NO REQ'D PART NO. DESCRIPTION
1 2 922219 1.25" Flat Washer
2 - 922081 Self Aligning Bushing
(Included in Swing Cylinder Assembly)
3 2 922218 Spacer
4 4 922226 Thrust Washer
5 - 922029 Needle Bearing
(Included in Swing Cylinder Assembly)
6 2 922070 Swing Cylinder Assembly
(Includes (2) #82441 Needle Bearings and
(2) #62523 Bushings)
2 922274 Grease Zerk
2 922292 Tee
7 4 922281 90° Grease Zerk
8 4 922028 Pin
9 4 922282 .38" UNC X 2.00" Hex Capscrew
10 4 922273 .38" Flat Washer
11 4 922225 Spacer Tube
12 4 922283 .38" UNC Hex Lock Nut
13 - 922113 Bushing (Included in Mainframe - Installed
with Locktite Grade 680)
6725
6-8-98-3
MAINFRAME ASSEMBLY
ASSEMBLY #922476
STABILIZERS
UP TO SERIAL #8408AX972
MAINFRAME
2
3
2
1
4
1
1
2
3
2
1
5
7
2
6
6726
6-8-98-2
MAINFRAME ASSEMBLY
ASSEMBLY #922476
STABILIZERS
UP TO SERIAL #8408AX972
NO REQ'D PART NO. DESCRIPTION
1 8 922284 Snap Ring
2 As Req'd 922266 Thrust Washer 1.25" X .078"
As Req'd 922192 Thrust Washer 1.25" X .145"
As Req'd 922279 Thrust Washer 1.25" X .031"
3 4 922030 Pin
4 2 922076 Stabilizer Cylinder Assembly
4 922274 Grease Zerk
5 2 922186 Stabilizer Arm
6 2 922031 Pin
7 2 922270 Cotter Pin .25" X 2.00"
6727
6-8-98-2
SEAT ASSEMBLY
1
6731
12-8-95
SEAT ASSEMBLY
NO REQ'D PART NO. DESCRIPTION
1 1 922001 Seat
`1 1 920246 Seat (After S/N 9802T01)
6732
12-8-95
BOOM & DIPPER ASSEMBLY
ASSEMBLY #922477
SERIAL #8408AX973 AND UP
2
21
22
23
17
8
24
12 15
11
2
3
18
11
16
2
25
19
2
12
14
1
4
5
6
7
13
26
8
27
9
10
2
11
20
2
4
8
9
11
7455
6-10-98
BOOM & DIPPER ASSEMBLY
ASSEMBLY #922477
SERIAL #8408AX973 AND UP
NO REQ'D PART NO. DESCRIPTION
1 1 922153 Boom Cylinder Assembly
1 922281 90° Grease Zerk
2 As Req'd 922260 Thrust Washer 1.38" X .031"
As Req'd 922193 Thrust Washer 1.38" X .090"
As Req'd 922192 Thrust Washer 1.38" X .125"
3 1 922293 Dipper Cylinder Assembly
2 922274 Grease Zerk
4 3 922272 .38" UNC X 1.00" Hex Capscrew
5 1 922274 .38" Lock Washer
6 1 922207 Clamp Plate
7 1 922208 Rubber Spacer
8 3 922274 Grease Zerk
9 - 922044 Bushing (Included in Boom) (Install with Locktite Grade 680)
10 1 922189 Pin
11 4 922110 Snap Ring
12 2 920957 Spring Washer
13 1 920961 .88" UNC Jam Lock Nut
14 1 922115 Boom (Includes (4) 81610 Bushings)
15 1 922113 Handle Grip
16 1 922210 Swing Lock Bracket
17 1 920954 .88" UNC Bolt
18 2 922294 .38" UNC X .50" Flange Head Hex Capscrew
19 1 920953 Boom Lock
20 1 922168 Pin 1.38" x 6.66" (Serial #---11168 and UP)
922213 Pin 1.38" x 5.78" (UP to Serial #---11168)
(1)
(3)
(2)
21 2 922283 .38" UNC Lock Nut
22 2 922273 .38" Flat Washer
23 2 922231 Double Hose Clamp
24 1 922295 Rubber Edge - 12"
25 1 920955 Roll Pin
26 1 922296 Hose Sock
27 1 922297 Hose Clamp
7456
12-14-99-2
BOOM & DIPPER ASSEMBLY
ASSEMBLY #922477
SERIAL #8408AX973 AND UP
11
2
15
1
2
15
14
3
16
12
11
12
15
11
17
3
13
4
11
2
3
3
5
3
2
5
3
4
6
10
2
7
8
9
18
BUCKET
(NOT INCLUDED IN BOOM & DIPPER ASSEMBLY)
7457
6-10-98
BOOM & DIPPER ASSEMBLY
ASSEMBLY #922477
SERIAL #8408AX973 AND UP
NO REQ'D PART NO. DESCRIPTION
1 1 922164 Bucket Cylinder Assembly
1 922281 90° Grease Zerk
1 922274 Grease Zerk
2 7 922110 Snap Ring
3 As Req'd 922260 Thrust Washer 1.38" X .031"
As Req'd 922193 Thrust Washer 1.38" X .090"
As Req'd 922192 Thrust Washer 1.38" X .125"
4 - 922119 Bushing (2)Included in Dipper
(Installed with Locktite Grade 680)
5 2 922120 Pin
6 1 922121 Pin
1 922274 Grease Zerk
7 1 922109 Spacer Tube
8 1 922273 .38" Flat Washer
9 1 922272 .38" UNC X 1.00" Hex Capscrew
(Installed with Locktite Grade 242)
10 1 922122 Dipper Link
11 - 922044 Bushing (4) Included in Dipper
(4) Included in Bucket Link
(Installed with Locktite Grade 680)
12 - 922182 Spacer (2) Included in Dipper
(1) Included in Bucket Link
13 1 922124 Dipper (Includes (4) 81610 Bushings,
(2) 82443 Bushings and (2) 83368 Spacers
(Bushings installed with Locktite Grade 680)
14 1 922125 Dipper Link
15 5 922274 Grease Zerk
16 1 922126 Bucket Link (Includes (4) 81610 Bushings
and (1) 83368 Spacer) (Bushings installed
with Locktite Grade 680)
17 2 922270 Cotter Pin
18 2 922127 Bucket Pin
7458
12-15-99-2
BOOM & DIPPER ASSEMBLY
ASSEMBLY #922478
UP TO SERIAL #8408AX972
3
1
1
22
3
1
4
1
19
12
17
18
13
20
9
12
3
23
6
24
3
16
13
15
2
5
6
23
7
8
14
9
10
11
3
12
21
3
5
9
10
12
7451
6-4-98
BOOM & DIPPER ASSEMBLY
ASSEMBLY #922478
UP TO SERIAL #8408AX972
NO REQ'D PART NO. DESCRIPTION
1 - 922114 Self Aligning Bushing
(Included in Cylinder Assemblies)
2 1 922187 Boom Cylinder Assembly
1 922287 90° Grease Zerk
3 As Req'd 922260 Thrust Washer 1.38" X .031"
As Req'd 922193 Thrust Washer 1.38" X .090"
As Req'd 922192 Thrust Washer 1.38" X .125"
4 1 922188 Dipper Cylinder Assembly
2 922274 Grease Zerk
5 3 922272 .38" UNC X 1.00" Hex Capscrew
6 3 922277 .38" Lock Washer
7 1 922207 Clamp Plate
8 1 922208 Rubber Spacer
9 3 922274 Grease Zerk
10 - 922044 Bushing (Included in Boom)
(Install with Locktite Grade 680)
11 1 922189 Pin
12 4 922110 Snap Ring
13 2 922257 Spring Washer
14 1 920956 .88" UNC Lock Nut
15 1 922115 Boom (Includes (4) 81610 Bushings)
16 1 922298 Handle Grip
17 1 922210 Swing Lock Bracket
18 1 922212 .88" UNC X 7.00" Hex Capscrew
19 2 922213 .38" UNC X .75" Flange Head Hex Capscrew
20 1 920953 Boom Lock
1 922299 .38" X .50" Set Screw
21 1 922213 Pin 1.38 x 5.78 (up to S/N ---11168)
922168 Pin 1.38 x 6.65 (S/N ---11168 and up)
22 2 922300 .38" UNC Hex Nut
23 3 922273 .38" Flat Washer
24 2 922231 Double Hose Clamp
7452
6-4-98
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