Walker A21 Hi-Dump, Operator'S Manual

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25
Use only genuine Walker
®
replacement parts.
A21 HI-DUMP
®
HYDRAULIC AND ELECTRICAL COMPONENTS
ITEM PART DESCRIPTION NO.
NO. NO. REQ’D
ITEM PART DESCRIPTION NO.
NO. NO. REQ’D
Beginning S/N 2018-5524
Hi-Dump Kit – Hydraulic/Electrical
1 5833 Cable Clamp (1/4) 3
2 8440-1 Catcher Adapter Harness 1
3 8404 Dump Cylinder 1
4 8403-7 90° Fitting 12
5 5975-3 Cable Tie (50# x 7”) 1
6 8403-5 Hydraulic Hose, Catcher Box 1
Dump (67.5)
7 8403-6 Hydraulic Hose, Catcher Box 1
Dump (73.5)
8 5835 Cable Clamp (3/4) 6
9 8403-3 Hydraulic Hose, Lift/Rear (11.5) 1
10 8404-1 Lift Cylinder 1
11 8403-2 Hydraulic Hose, Lift/Front (16) 1
12 5975-7 Cable Tie (50# x 11”) 2
13 8404-2 Hydraulic Valve Box 1
14 8403-4 Hydraulic Hose, 1
Valve to Pump (17-1/2) A/UP
15 8403-20 Hydraulic Hose, 1
Valve to Pump (17-1/2) B/DN
16 5975-1 Cable Tie (18# x 3-3/4”) 11
17 8403-19 Hydraulic Power Unit 1
18 8440-7 Battery/Relay Harness 1
19 5832 Cable Clamp (1/2) 1
20 8401-7 Junction Block (10-32) 2
21 7941 Circuit Breaker 40 Amp 1
(Auto Reset/Sealed)
22 8404-9 Plastic Cover/Black 1
23 8404-8 Plastic Cover/Red 1
24 6623-22 Toggle Switch/SP 1
25 6623-21 Toggle Switch/DP 1
26 8440-3 Jumper Wire 1
27 8440-8 Wire Harness/Hi-Dump 1
28 7833 Cable Clamp (7/8 x 1/4) 1
29 8440-6 Relay Harness 1
30 8553 Splice Tap (18-14 Ga.) 1
31 8440-10 Wire Assembly (3”) 1
32 6941-8 Relay Switch 60/40 Amp 3
Fasteners
F002 10-24 Keps Nut 9
F004 1/4-20 Keps Nut 2
F025 10-24 x 3/8 PPHMS 11
F026 10-24 x 1/2 PPHMS 3
F027 10-24 x 5/8 PPHMS 4
F106 3/8-16 x 5/8 Hex Bolt 2
F185 1/4 Int. Star Lock Washer, SS 1
F232 10-32 Keps Nut 6
F397 1/4-20 x 3-3/8 Hex Bolt 2
F418 10-24 x 7/8 SHC Screw, GR5 (SS) 2