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Wacker Neuson 28Z3 Service Manual

Wacker Neuson 28Z3
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6-16 SHB 28Z3 EN – Edition 2.0 * 28z3s612.fm
Electrical system
6.19 Engine/chassis wiring harness (legend)
No. Up to To Colour mm²
1 G1 + 12 V/30 M1 red 10
2 G1 + 12 V/30 F1 red 6
3 M1 + 12 V/30 F2 red 6
4 F1 + 12 V/30 K9/30 red 4
5 F1 + 12 V/30 K7/A red 4
6 F2 + 12 V/30 ignition lock S1/1 red 6
7 F2 + 12 V/30 F9/G red 4
8 S1/5 12 V/15 ignition lock F4/B blu 4
9 S1/6 12 V/15 ignition lock F7/E blu 4
10 K7/B starter 50 M1 wht-red 2.5
11 K9/87 pick-up contact cutoff solenoid Y1/1 wht 2.5
12 S1/3 preheating S1/9 brn 4
13 S1/4 preheating R1 brn 4
14 S1/8 preheating K6 brn 1
15 S1/7 starter 50a X4/4 wht-blk
16 X4.1/8 starter 50a X4.1/4 wht-blk 1
17 X4/8 starter 50a K6 wht-blk 1
18 K7/3 starter 50a K6 wht-blk 1
19 G1/1 alternator charge indicator light B18/5 pnk 1
20 X10/8 alternator charge indicator light B18/5 pnk 1
21 S3 engine temperature switch B18/9 blk-grn 1
22 X10/14 engine temperature switch B18/4 blk-grn 1
23 S2 engine oil pressure B18/6 wht-grn 1
24 X10/10 engine oil pressure B18/1 wht-grn 1
25 B1/1 fuel tank sensor X10/4 vio-blk 1
26 K6 preheating indicator light X10/12 gry-red 1
27 K8 cutoff solenoid relay K9/86 blu-blk 1
28 K8 cutoff solenoid relay K9/85 pnk-blk 1
29 G1/3 revs signal K7/6 blk-blu 1
30 F3/1 12 V/15 indicating instrument, relay G1/2 blu 1
31 F3/1 12 V/15 indicating instrument, relay K7/1 blu 1
32 F3/1 12 V/15 indicating instrument, relay V1 blu 1
33 F3/1 12 V/15 indicating instrument, relay X4/5 blu 1
34 X4/7 12 V/15 indicating instrument, relay X4/5 blu 1
35 X4/7 12 V/15 indicating instrument, relay X10/1 blu 1
36 X4.1/5 12 V/15 indicating instrument, relay X4.1/9 blu 1
37 X4/9 12 V/15 cutoff solenoid K8 blu-blk 1
38 X4/9 12 V/15 cutoff solenoid M9 blu-blk 1
39 Y1/2 12 V/15 cutoff solenoid M9 blu-blk 1
40 F4/2 12 V lights, fan S16/1 yel 1
41 S16/10 12 V lights, fan S16/1 yel 1
42 F4/2 12 V lights, fan S15/1 yel 1
43 S15/2 12 V lights, fan S15/1 yel 1
44 S15/2 12 V lights, fan S15/10 yel 1
45 S16/5 boom working light E11/1 yel-grn 1
46 S16/5 instrument panel lights E15 yel-grn 1
47 X10/2 instrument panel lights E15 yel-grn 1
48 S15/6 heating I M4/1 yel-blk 1
49 S15/3 heating II M4/3 yel-blu 1
50 F5/3 + 12 V valves/horn X4/1 gry 1
51 S21/1 + 12 V valves/horn X4/1 gry 1
52 S21/1 + 12 V valves/horn S21/10 gry 1
53 S40/1 + 12 V valves/horn S21/10 gry 1
54 S40/1 + 12 V valves/horn S40/10 gry 1
55 S42/10 + 12 V valves/horn S40/10 gry 1
56 F5/3 + 12 V valves/horn S21.1/1 gry 1
57 B2 + 12 V valves/horn S21.1/1 gry 1
59 X4.1/1 + 12 V valves/horn X4.1/6 gry 1
60 X4/6 + 12 V valves/horn S28 gry 1
61 S28 safety valve Y13 brn-wht 1
62 S21.1/2 high speed S21/5 brn-blk 1
63 Y3 high speed S21/5 brn-blk 1
64 S40/5 quickhitch (quickhitch system) Y25/1 gry-yel 1
65 S40/5 quickhitch B19 gry-yel 1
66 S41/1 overload S42/1 vio-blu 1
67 B18/8 overload S42/5 vio-blu 1
68 B18/2 overload X10/13 vio-blu 1
69 S55/1 horn B2 org 1
70 F6/4 12 V roof lights S17/1 grn 1
71 S17/2 12 V roof lights S17/1 grn 1
72 S17/2 12 V roof lights S17/10 grn 1
73 S18/10 12 V roof lights S17/10 grn 1
74 S17/6 front roof light X12/1 grn-red 1
75 S17/3 rear roof light X12/2 grn-blu 1
76 F7/5 12 V wiper S20/2 lblu 1
77 S20/10 12 V wiper S20/2 lblu 1
78 S20/6 wiper X12/3 blu-wht 1
79 S20/6 wiper S20/7 blu-wht 1
80 S20/5 wiper reset X12/4 blu-red 1
81 S20/3 washer pump M5 blk-wht 1
82 F7/5 12 V wiper X12/8 lblu 1
83 X12/9 12 V wiper X12/8 lblu 1
84 F8/6 proportional controls X14/1 gry-grn 1
85 F9/7 12 V drive interlock, rotating beacon X4/2 red 1
86 S18/1 12 V drive interlock, rotating beacon X4/2 red 1
87 S18/1 12 V/30 radio A1/7 red 1
88 S20/10 12 V/15 radio A1/4 lblu 1
90 F10/8 socket X19 red/blk 1.5
91 F10/8 cigarette lighter E15 red/blk 1.5
92 S18/5 rotating beacon X12/11 vio 1
No. Up to To Colour mm²

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Wacker Neuson 28Z3 Specifications

General IconGeneral
BrandWacker Neuson
Model28Z3
CategoryExcavators
LanguageEnglish

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