Walker A21 Hi-Dump - Parts List;Diagram; Hi-Dump Assembly

23
Use only genuine Walker
®
replacement parts.
A21 HI-DUMP
®
ASSEMBLY
ITEM PART DESCRIPTION NO.
NO. NO. REQ’D
ITEM PART DESCRIPTION NO.
NO. NO. REQ’D
Beginning S/N 2018-5524
A21 Hi-Dump Kit/10.0
1 8607-10 Lower Arm, Power Dump 2
2 7620-3 Pivot Bushing (1/2 x 9/16) 4
3 7523-2 Clevis Pin W/Hole (1/4 x 5/8) 4
4 8623-6 Inner Power Dump Arm, RH 1
5 8623-3 Extension Spring Cable 2
6 5221-2 Ext Spring (3/4 x 3-1/2”) 2
7 8623-5 Torsion Spring Hook 2
8 8623-7 Inner Power Dump Arm, LH 1
9 7620-6 Cable Guide 2
10 8623-2 Power Dump Cable, 10.0 2
11 5552 Ball Joint (1/4-28) 2
12 8402-3 Backup Plate 1
13 8404-12 Channel Angle/RH 1
14 8404-13 Channel Angle/Hi-Dump/LH 1
15 5841 Retainer Washer (3/8 x 1-1/4) 4
16 8845 Rubber Bumper (30mm OD x 40mm) 3
5/16-18 Female
17 8404-6 Clevis Pin (1/2 x 1-1/2) 1
18 7517-3 Catcher Pivot Plate 2
19 7620-15 Roller Wheel 2
20 8402-9 Catcher Pivot Arm 1
(Includes Items # 19, 21, 55 & F562)
21 5830 Grease Fitting 5
22 8404-5 Clevis Pin (1/2 x 1-1/4) 1
23 8402-4 Upper Cylinder Mount Arm 1
24 8402-1 Catcher Frame/Hi-Dump 1
(Includes Items # 21 & 27)
25 7845-1 Rubber Bumper (1.375 x .750) 2
26 8401-4 Upper Pivot Shaft 1
27 8201-3 Fiberglide Bearing 4
28 8401-5 Pivot Arm (Includes Item # 29) 1
29 8401-9 Decal, Safety Lockout Arm 1
30 5683 Pivot Bearing 2
31 8401-1 Torsion Spring (1-1/2) 1
32 8401-6 Spring Bushing 1
33 8401-3 Safety Lockout Arm 1
34 8401-2 Safety Lockout Spring 1
35 8400-3 Rear Pivot/LH 1
(Includes Items # 21 & 30)
36 5214-10 Ball Joint (1/2-20) Hi Strength 2
37 8400-16 Decal, Hi-Dump 1
38 7047-5 Mount Plate 1**
39 8404-7 MTL Adapter Bracket 1*
40 8430-1 Body Chute, Hi-Dump (10.5) 1
41 8400-10 Auxiliary Power Terminal Plate 1
(Includes Item # 42)
42 8400-7 Decal, Electrical Jumper Warning 1
43 8600-23 Decal, Danger/Body Latch 1
44 8400-19 Switch Mount 1
45 8400-9 Decal, Hi-Dump Operation 1
46 8400-14 Switch Cover (Includes Item # 45) 1
47 8401-13 Bumper/Hi-Dump Mount 1
(Includes Item # 37)
48 7854 Plastic Tip, Red 1
49 7383-2 Body Latch Hook 1
50 7847 Rubber Bumper (1.5 OD x 1.0) 1
51 8400-2 Rear Pivot/RH 1
(Includes Items # 21 & 30)
52 8402-8 Control Lift Rod 2
53 5214-11 Ball Joint (1/2-20LH) Hi Strength 2
54 8403-18 Pump Guard 1
55 7620-16 Roller Bushing 2
56 7031-4 Tube Support Arm/Hi-Dump 1
57 8400-77 Spacer/Hi-Dump 1***
58 8400-39 High Dump Upright Shim 1
∆
Fasteners
F002 10-24 Keps Nut 10
F003 1/4-28 Hex Nut 2
F004 1/4-20 Keps Nut 8
F009 5/16-18 Whiz Locknut 15
F012 3/8-16 Keps Nut 12
F016 1/2-13 Self-Locking Nut 2
F025 10-24 x 3/8 PPHMS 1
F027 10-24 x 5/8 PPHMS 2
F028 10-24 x 3/4 PPHMS 4
F029 1/4-20 x 1/2 Hex Bolt 6
F034 5/16-18 x 3/4 Hex Bolt 6
F035 5/16-18 x 1-1/4 Hex Bolt 2
F037 10-24 x 5/8 PTH Screw 2
F038 3/8-16 x 1 Hex Bolt 6
F039 3/8-16 x 1-1/4 Hex Bolt 4
F040 3/8-16 x 1-1/2 Hex Bolt 3
F041 3/8-16 x 1-3/4 Hex Bolt 2
F048 1/2 SAE Washer 1
F049 5/16 SAE Washer 2
F052 5/16 Ext. Star Lock Washer 1
F068 1/8 x 1 Cotter Pin 2
F069 3/32 x 1/2 Cotter Pin 4
F085 3/16 Rivet Backup Washer 4
F111 1/8 x 3/4 Cotter Pin 2
F151 3/8-16 x 7/8 Hex Bolt 2
F183 .312 x .700 x .074 Washer 2
F208 5/16-18 x 2-1/4 Hex Bolt 5
F241 .375 x .875 x .10 Washer 6
F287 1/4-28 Keps Nut 2
F385 1/4 x 1-1/4 Roll Pin 1
F395 1/4-20 x 2-1/4 FHA Screw, SS 4
F396 10-24 x 1-1/4 PPH Bolt 2
F398 1/4-20 x 2 Hex Bolt 2*
F399 1/2-13 x 3-1/4 Hex Bolt 2
F402 1/4-20 x 2 PFH Bolt 2**
F405 3/8-16 x 1-1/2 FHA Screw, SS 1
F420 5/16-18 x 1-1/4 Carriage Bolt 1
F440 1/2-20 Jam Nut RH 2
F441 1/2-20 Jam Nut/Left Hand 2
F562 5/16-18 x 1 Set Screw 1
F570 3/8-16 Flange Top Lock Nut 4
* Model MTL Only
** Model MDD Only
*** Not Used on MT30i
 ∆ UseOptionalShimasNeededtoClose
Gap With Chassis Frame