PDF Parts Manual Manitowoc MLC300 Crane - 636 KB
This is the official parts manual for the Manitowoc MLC300 Crane, specific to serial number 3001087.
It contains a complete list of all replaceable parts, along with detailed illustrations to aid in identification.
This manual is indispensable for maintenance teams, ensuring accuracy when ordering spares and reducing the risk of equipment downtime.
Keep your MLC300 in peak condition by using the correct, genuine parts.
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Manitowoc MLC300
605692
Parts Manual
Luffing Jib
ENU
2020-03-31
--- Page 3 ---
1. CONTROLS, ELECTRICAL
ENU / 2020-03-31
MLC300 Luffing Jib 1-3
--- Page 4 ---
1. CONTROLS, ELECTRICAL
1.1.1 ESI LUFFING JIB BUTT MTG (81031018) Rev D
LIMIT SWITCH SUBASSY (810249950) Rev C
Pos. Part BOM Qty. Foot Note Description
1 3643870 1 ELEC CONNECTOR MALE 3 POLE 13 AMP SEALED
2 4716820 1 GRIP CORD .50 NPT CABLE OD (.312-.437)
3 5726060 1 ELEC CONNECTOR WEDGE LOCK W3P
4 6806940 3 TERMINAL PIN CONTACT MALE
5 810161350 1 SWITCH LIMIT
6 810070200 1 FT TUBING POLYOLEFIN 4.1 SHRINK RATIO 1.2
20 2971820 2 FT CABLE - SHIELDED 16GA/3COND
21 2972110 1 FT CABLE WIRE 18 AWG XLPE TYPE TXL BLUE
ENU / 2020-03-31
MLC300 Luffing Jib 1-13
--- Page 5 ---
1. CONTROLS, ELECTRICAL
1.2.1 ESI LUFFING JIB TOP MTG (81031020) Rev D
ESI LUFFING JIB TOP MTG (81031020) Rev D
Pos. Part BOM Qty. Foot Note Description
1 1424032 1 WEIGHT
2 3341010 8 FT CHAIN STRAIGHT LINK #5/0
3 6246330 1 SHACKLE ANCHOR LOOSE PIN GALV
4 80042207 1 ELEC CONNECTOR MOUNT CLIP
5 80069038 1 CONTROLLER SCM
84019147
6 1 A2B DEVICE MOD TWO SPRINGS
➠ page 1-24
7 810254612 1 BRACKET RECEPTACLE SIZE 24
8 810291390 1 SENSOR ANGLE MEMS 200 DEG
10 810329362 1 HOOK BOLT J 1/2 INCH
11 7126131153 4 HHCS 5 X 20.8.8 FULL THREAD
12 7126152053 4 SCR CAP HEX HD M6-1 X 65 8.8 ZC
13 7126191253 1 HHCS M10X25 8.8 FLZN 4017
14 7126211353 2 HHCS M12X30 8.8 FLZN 4017
15 7660180008 2 HEX NUT 1/2-13 UNC GR8
16 7661130004 4 NUT HEX M5-0.8 10 PLN
17 7661150004 4 HEX NUT M6 10FLZN ISO4032
18 7661190103 1 HEX JAM NUT M10 04FLZN ISO4035
19 7661210003 2 HEX NUT M12 8FLZN ISO4032
20 7950180141 2 WASHER FLAT 0.50 X 0.12
21 7951130014 4 F WASHER 5 ST ISO 7089
22 7951130210 4 L WASHER 5 ST DIN 7980
23 7951150210 4 L WASHER 6 FLZN DIN7980
24 7951190014 8 F WASHER 10 200HV FLZN 7089
25 7951210014 2 F WASHER 12 200HV FLZN 7089
26 7951210210 2 L WASHER 12 ST DIN 7980
27 810070010 1 FT WIRE ROPE 3/64 7X7 SS VC-1/16 CLEAR
28 810070020 2 SLEEVE 1/16 OVAL ALUMINUM
29 810284270 1 PIN SAFETY .25 DIA X 2.50 LG
30 7126191453 3 HHCS M10X35 8.8 FLZN 4017
31 7661190803 3 HEXAGON LOCK NUT
ENU / 2020-03-31
MLC300 Luffing Jib 1-23
--- Page 6 ---
2. ATTACHMENTS
ATTACHMENTS
Pos. Part BOM Qty. Foot Note Description
1759161
10 1 DECAL DANGER BOOM SECTIONS
➠ page 2-3
810233981
40 1 TRANSITION INSERT ASSY #500/501 6M
➠ page 2-5
810234051
60 1 INSERT ASSY 12M #501
➠ page 2-7
810234101
80 1 INSERT ASSY 6M #501
➠ page 2-11
810247831
100 1 BUTT ASSY #500A 6.00 M
➠ page 2-15
810266701
160 1 TOP ASSY #501, 12M LJ
➠ page 2-19
810295381
190 1 INSERT 12.0 M LUFF JIB EQUIP
➠ page 2-25
810300091
280 1 INSERT 12.0 M LJ EQUIP-HEAVY
➠ page 2-27
810316271
390 1 INSERT 6.0 M LUFF JIB EQUIP-MEDIUM
➠ page 2-29
810253441
440 1 STRUT #502, MAIN ASSY
➠ page 2-31
81025347
450 1 STRUT ASSY #502, JIB
➠ page 2-43
81033831
480 1 CATWALK ASSY 6M BUTT #500A
➠ page 2-49
81034071
510 1 CATWALK ASSY #501, LJ TOP
➠ page 2-51
81034271
520 1 INSERT ASSY #501,12M W/SUSP
➠ page 2-53
84037517
550 1 STOP ASSY JIB #501A
➠ page 2-57
81036402
630 1 SPREADER FRAME 500/501 TRANS INSERT
➠ page 2-61
81037271
640 1 CATWALK #500/501 6M INSERT
➠ page 2-63
810340488
750 1 DECAL ASSY FOR TYPICAL INSERT (EN)
➠ page 2-65
810340489
760 1 DECAL ASSY FOR LUFFING JIB (EN)
➠ page 2-66
81042560A
770 1 DECAL ASSY INSERT SHIPMENT
➠ page 2-67
84020169
790 1 STRUT #502,SHIPPING ASSY
➠ page 2-69
ENU / 2020-03-31
MLC300 Luffing Jib 2-2
--- Page 7 ---
2. ATTACHMENTS
2.4 INSERT ASSY 6M #501 (810234101) Rev B
INSERT ASSY 6M #501 (810234101) Rev B
Pos. Part BOM Qty. Foot Note Description
1 5620640 4 PIN COTTER 5/32 DIA X 1.25 LG
2 5620850 8 PIN COTTER 3/16 DIA X 1.50 LG
3 5621510 2 PIN COTTER 3/8 X 3.50 LG
4 5636400 2 PIN SAFETY .243 OD X 5.00
5 810208520 8 PIN COTTER HAIR 0.14 DIA X 3.38 LG
7 810253062 4 PIN 2 HOLE 19.1 MM DIAX81.2 MM
8 810254722 2 CLAMP CABLE SPRING CLIP
9 810277822 2 PIN 2 HOLE 19.1 DIA X 287.0 LG
10 810277952 1 TIMBER 50.8 MM X 88.9 MM X 1325.0 MM
11 810297262 2 STRAP 6.0 M #501 JIB 31.75 X 63.0
12 810298062 4 PIN 1 HOLE W/HD 62.0 DIA X 77.8 LG
13 810298072 4 LINK #501 JIB
14 810315992 4 BRACKET STRAP
81035733
15 1 CATWALK ASSY 6M #501
➠ page 2-13
16 81036348 2 BRACKET STRAP
17 81036354 2 BRACKET STRAP
18 81036398 2 BRACKET STRAP
19 7126151150 4 HHCS 6 X 20 8.8
20 7126191850 12 HHCS M10X55 8.8 FLZN 4014
21 7126191750 4 HHCS M10X50 8.8 FLZN 4014
22 7661150803 4 HEX LOCK NUT M6 8FLZN ISO7040
23 7661190803 16 HEXAGON LOCK NUT
24 7951150014 8 F WASHER 6 200HV FLZN ISO7089
25 7951190014 32 F WASHER 10 200HV FLZN 7089
26 7951270014 8 F WASHER 20 200HV FLZN 7089
27 A117992 4 PIN 2 HOLES 12.7 DIA X 93.0 LG
28 A118002 4 COLLAR 66 MM ID
29 A167322 2 PIN 1 HOLE W/HD 45.00 DIA X 129.0 LG
30 A167332 2 PIN 1 HOLE W/HD 70.00 DIA X 132.4 LG
ENU / 2020-03-31
MLC300 Luffing Jib 2-12
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2. ATTACHMENTS
ENU / 2020-03-31 2.6 TOP ASSY #501, 12M LJ (810266701) Rev D
MLC300 Luffing Jib 2-22
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2. ATTACHMENTS
2.10 STRUT #502, MAIN ASSY (810253441) Rev G
STRUT #502, MAIN ASSY (810253441) Rev G
Pos. Part BOM Qty. Foot Note Description
1 1771082 2 WASHER 5.78 ID X 8.00 OD
2 5620850 12 PIN COTTER 3/16 DIA X 1.50 LG
3 5621050 4 PIN COTTER 1/4 DIA X 1.50 LG
4 5621120 2 PIN COTTER 1/4 DIA X 4.00 LG
5 5636400 9 PIN SAFETY .243 OD X 5.00
6 5638170 14 PIN HAIRPIN COTTER .148 DIA X 2.69 LG
7 5638510 2 PIN HAIRPIN COTTER .092 DIA X 1.62 LG
8 5965410 4 RING SNAP 1.865 DIA
9 5967600 8 RETAINING RING EXT FOR 2.5"SHAFT .078THK
10 810281790 1 ROLLER 50.8 101.6 TBD NYLON
11 6021740 6 ROLLER 2.08 ID X 4.00 OD X
810258190
13 8 SHEAVE ASSY 28MM DIA
➠ page 2-23
14 810282652 2 PIN 2 HOLE 19.05 DIA X 167.8 LG
15 81031460 1 SHAFT 129.9 DIA X 1350.0 LG
16 81031494 1 GUARD WIRE ROPE
81032183
17 1 CATWALK ASSY #502 MAIN STRUT
➠ page 2-37
19 81033375 1 PIN 50.8 DIA X 1065.0 LG
20 81033377 2 ROLLER 52.8 101.6 207 NYLON
21 81033383 1 PIN 50.8 DIA X 350.0 LG
81033881
22 1 SPREADER ASSY #501 MAIN STRUT
➠ page 2-39
23 81033908 2 PIN 63.5 DIA. X 85.0 LG
24 81034035 3 PIN 2 HOLE 19.1 DIA X 139.0 LG
25 81034037 2 PIN 2 HOLE 19.1 DIA X 195.0 LG
26 81034176 2 COLLAR 131.0 ID X 158.8 OD X 40.0 LG
27 81034501 2 SLEEVE 200.0 OD X 131.0 ID
28 81034773 1 GUARD WIRE ROPE
29 81035062 1 LINK CONNECTING STRUT RAISING PENDANT
30 81035159 1 GUARD WIRE ROPE
31 81035191 1 PIN 66.50 DIA X 180.0 LG
32 81035210 1 SHEAVE 152.4 DIA FOR .375" WIRE ROPE
33 81035213 1 PIN 2 HOLE 9.5 DIA X 60.0 LG
34 81036879 1 ARM 502 M STRUT RAISING
35 81037339 1 SHAFT 25.4 DIA
36 81037361 2 STRAP #502 MAIN STRUT BASIC
ENU / 2020-03-31
37 81037362 2 STRAP BASIC #502 MAIN STRUT BACKSTAY
38 81037363 1 PLATE RETAINER
39 81037372 2 TUBE RD 148.0 X 8.0 X 62.0
40 81037391 1 SHAFT 129.9X324.0 LG
41 81037576 2 PIN 63.5 DIA X 62.0 LG
42 81037623 2 SPACER 158.8 OD X 131.0 ID X 28.0 LG
MLC300 Luffing Jib 2-32
--- Page 11 ---
2. ATTACHMENTS
2.10.4 STRUT STOP MAIN STRUT #502 (81032853) Rev A
STRUT STOP MAIN STRUT #502 (81032853) Rev A
Pos. Part BOM Qty. Foot Note Description
1 5636400 2 PIN SAFETY .243 OD X 5.00
2 5638710 2 PIN SAFETY .375 DIA X 2.25 LG
3 810234372 1 PIN QUICK RELEASE 12.0MM DIAX75.0MM LG
4 81033015 1 PIN 2 HOLE 63.5 DIA. X 185.0 LG
5 81034130 1 STRUT STOP #502 UPPER TUBE
6 81034131 1 STRUT STOP #502, MIDDLE TUBE
7 81034132 1 STRUT STOP #502 LOWER TUBE
8 81034153 1 PIN 2 HOLE 55.0 X 176.0 LG
9 81034317 2 RETAINER #502 MAIN STRUT STOP
10 7127171153 6 HHCS M8x20 10.9 FLZN 4017
11 7127211253 2 HHCS M12x25 10.9 FLZN4017
ENU / 2020-03-31
MLC300 Luffing Jib 2-42
--- Page 12 ---
2. ATTACHMENTS
2.13 CATWALK ASSY #501, LJ TOP (81034071) Rev A
CATWALK ASSY #501, LJ TOP (81034071) Rev A
Pos. Part BOM Qty. Foot Note Description
1 5460590 8 HEX NUT 3/4-10UNC GR 5
2 6124050 42 HHCS 5/16-18UNC X 1.00 GR 5
3 810166910 21 WASHER SHOULDER GRIP STRUT DIAMOND PATRN
4 810169952 6 BRACKET 4 HOLE 1.50X0.13X6.50
5 810266232 3 CATWALK 724 MM X 3667 MM
6 810272652 1 CATWALK 724 MM X 666 MM
7 810281050 2 CABLE .75-10X456.52 (IN)
8 7114153664 21 C BOLT SQ GR 4 5/16-18UNC X 4.50
9 7660152500 63 HEX LOCK NUT PA 5/16-18UNC SS
10 7950150141 105 F WASHER 5/16 ST B18.21.1 NARROW
11 7950220141 8 F WASHER 3/4" DIA
ENU / 2020-03-31
MLC300 Luffing Jib 2-52
--- Page 13 ---
2. ATTACHMENTS
2.16 SPREADER FRAME 500/501 TRANS INSERT (81036402) Rev D
SPREADER FRAME 500/501 TRANS INSERT (81036402) Rev D
Pos. Part BOM Qty. Foot Note Description
1 5620850 16 PIN COTTER 3/16 DIA X 1.50 LG
2 81034298 2 PIN 1 HOLE W/HD 65.0 DIA X 82.3 LG
3 81034465 4 PIN 1 HOLE W/HD 65.0 DIA X 104.3 LG
4 81036405 1 SPREADER
5 81036406 4 STRAP SPREADER #500/501
6 81036407 2 STRAP SPREADER #500/501
7 81038662 2 LINK CONNECTING
8 81034247 2 LINK CONNECTING
9 A117992 8 PIN 2 HOLES 12.7 DIA X 93.0 LG
10 A118002 8 COLLAR 66 MM ID
11 810249512 2 PIN 1 HOLE W/HD 65.0 DIA X 94.3 LG
12 84018474 4 BRACKET STRAP SPACER
13 7126213050 2 HHCS 12 X 140 8.8
14 7661210804 2 HEX LOCK NUT M12 10FLZN ISO7040
15 7951210014 4 F WASHER 12 200HV FLZN 7089
ENU / 2020-03-31
MLC300 Luffing Jib 2-62
--- Page 14 ---
Part Number Index
Part Number Index 3643870 (ELEC CONNECTOR MALE
3 POLE 13 AMP SEALED) . . . . . . . . . 1-13, 1-17, 1-31
0 3964010 (PIN SPRING SLOT 1/4 DIA X 1.50
0012042 (SPRING .75 X .105 WIRE LG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-11, 1-15
3.04) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-25, 1-27
0017152 (SPRING WASHER) . . . . . . . . . . 1-11, 1-15 4
0034392 (SPRING 1 1/4 OD X 7 1/2 FREE 4292590 (FITTING 90 DEG 46756) . . . . . . . . . . 1-29
HEIGHT) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-11 4716820 (GRIP CORD .50 NPT
0700912 (BUSHING .762IDX.942ODX1.25LG) . . . 1-29 CABLE OD (.312-.437)) . . . . . . . . . . . 1-13, 1-17, 1-31
1 5
1424032 (WEIGHT) . . . . . . . . . . . . . . . . . . . . . . 1-23 5460590 (HEX NUT 3/4-10UNC GR
1478529 (DECAL DANGER BOOM HAZARD) . . . 2-4 5) . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10, 2-14, 2-38,
2-50, 2-52, 2-56, 2-64
1622712 (COVER 6 X 7) . . . . . . . . . . . . . . . . . . 1-27
5467630 (HEX JAM NUT 3/8-16UNC
1759161 (DECAL DANGER BOOM GR5) . . . . . . . . . . . . . . . . . . . . . . . . . 1-25, 1-27, 1-29
SECTIONS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
5469560 (NUT PANEL 1.69-18 UNEF-
1768092 (SPRING WASHER) . . . . . . . . . . 1-11, 1-15 2B) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7, 1-21
1768102 (ROD ACTUATOR) . . . . . . . . . . . . . . . 1-11 5620420 (PIN COTTER 1/8 DIA X 0.75 LG) . . . . 2-58
1770762 (BRACKET) . . . . . . . . . . . . . . . . . . . . . 1-27 5620640 (PIN COTTER 5/32 DIA X 1.25
177080001 (LEVER CASTING) . . . . . . . . . . . . . 1-29 LG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6, 2-8, 2-12,
2-16, 2-54
1770804 (LEVER) . . . . . . . . . . . . . . . . . . . . . . . 1-27
5620850 (PIN COTTER 3/16 DIA X 1.50
1771082 (WASHER 5.78 ID X 8.00 OD) . . . . . . 2-32 LG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6, 2-8, 2-12,
1791942 (PIN 2 HOLE .50 DIA X 3.72 LG) . . . . . 2-21 2-16, 2-20, 2-26, 2-28, 2-30, 2-32, 2-40, 2-44, 2-54,
1791952 (COLLAR) . . . . . . . . . . . . . . . . . . . . . . 2-21 2-62
5620870 (PIN COTTER 3/16 DIA X 2.00 LG) . . . 2-60
181503 (ID PLATE BLANK CRANE ID) . . . . . . . 2-66
5621050 (PIN COTTER 1/4 DIA X 1.50
1953262 (PIN COTTER 2 HOLE 1.00 DIA X 4.38
LG) . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-21, 2-32, 2-44
LG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-16
5621060 (PIN COTTER 1/4 DIA X 1.75
LG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6, 2-58
2
5621080 (PIN COTTER 1/4 DIA X 2.25 LG) . . . . 2-44
2250650 (CYL ROLLER BRG 7.87 X
5.12 X 3.74) . . . . . . . . . . . . . . . . . . . . 2-24, 2-36, 2-48 5621120 (PIN COTTER 1/4 DIA X 4.00 LG) . . . . 2-32
2528810 (SHSS-L 3/4 X 1.50 A574) . . . . . . . . . . 1-27 5621490 (PIN COTTER 3/8 DIA X 2.50 LG) . . . . 2-54
2771270 (PENDANT 15 FT 0 IN) . . . . . . . . . . . . 2-33 5621510 (PIN COTTER 3/8 X 3.50
LG) . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8, 2-12, 2-20,
2897970 (BUSHING .752 ID X .937 OD) . . . . . . 1-19 2-54
2971820 (CABLE - SHIELDED 5621720 (PIN COTTER 1/2 DIA X 4.00 LG) . . . . . 2-6
16GA/3COND) . . . . . . . . . . . . . . . . . . 1-13, 1-17, 1-31
5621740 (PIN COTTER 1/2 DIA X 4.50 LG) . . . . 2-58
2972110 (CABLE WIRE 18 AWG
ENU / 2020-03-31
5636400 (PIN SAFETY .243 OD X
XLPE TYPE TXL BLUE) . . . . . . . . . . . 1-13, 1-17, 1-31
5.00) . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6, 2-8, 2-12,
2-20, 2-32, 2-42, 2-44, 2-54
3 5637900 (PIN HAIRPIN COTTER .120 DIA X 2.38
3341010 (CHAIN STRAIGHT LINK #5/0) . . . . . . 1-23 LG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-44
3503410 (CLOSURE PLUG BLACK HOLE 5638030 (PIN SAFETY .375 X 2.25 LG) . . . . . . 2-20
1.093/1.125") . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-15
MLC300 Luffing Jib 1