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DrillDown Icon 425, 475, 435, 485, 474, 476
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425, 475, 435, 485, 474, 476 Illustrated Backback Sprayer Parts List

Special Parts& Accessories 
(Not shownin parts list)
Click on order number to order desired part.

OrderNo. Description
4900310N Conversionkit (from piston to diaphragm pump)
0610406-K Diaphragm,pump repair kit includes 8, 11-13, (2 ea.), 24, 25,66
0610407-K Pistonrepair kit includes 8, 10-13, 20 (2 ea.), 24, 25, 44
0610411-K Wandrepair kit includes7-10, 22, 26, 34, 49, 103 (see 13)
0610409-K Piston,rod & collar kit includes 41-44, 54
4400203 PumpAssembly (425,435) includes 1,8,11,12,13,20 (2 ea.),39,40,41,42,43,44,54
4400221 PumpAssembly (475,485) 1,8,11,12,20 (2 ea.), 39,61,63,64,(13 ea.),65,66,67,68,69,70,72 (2 ea.), 106

 

BackpackSprayer Parts List -Order
Part numbers correspond withimage above.
Click on order number to order desired part.

Pos.No. OrderNo. For 
Model
Description
2 0010165 Bolt
3 0012185 Bolt
4 0030131 Washer
6 0012185 Bolt
7 0610402-K Shut-off valve repair kit
8 0062258 gasket
10 0062115 O-ring
11 0062291 O-ring
12 0062139 O-ring
13 0062140 O-ring
14 0064234   Hose48" (item 34 incl.)
15 0066388 Hose clamp
16 0066394 Clamp
17 4043123 Stop Plate
18 4035111 Pump Shaft
20 4061257 Valve Plate
21 4200242 Red tank cap (item 48, 98 & 99incl.)
-- 4200305

Heavy Duty

Black tank cap (item 48, 98 &99 incl.)
22 4074148 Retainingnut
23 4074323 Valve body
24 4074350 Sealing piece
25 0070260 Compression spring
26 4074337 Retaining Nut
27 4074344 Control knob
28 4074410 Bushing
29 4074263 Flat spray jet
30 4074756 Swirl plate
31 4074283 Jet filter
32 4074755 Jet cap
33 4900527 Plastic adjustable nozzle (inc. a& b)
34 4074500 Clamp
35 4074527 Elbow
36 4200162

425,474,
475,476

Tank& frame assy., 4 gal
call for pricing 435,485 Tank &frame assy., 5 gal
37 4200106 Filter Basket
38 4300315 Carryings trap (item 73 incl.)
39 4400240 Pressure cylinder 
(item 10, 23-25, 27 incl.)
 39  4400240N Pressure cylinder (solid)
40 4073190 Cylinder assy. (item 12,13,20 inc.)
41 4074409 Connecting rod without stud
42 4074262 Lever
43 4073558 Piston
44 4400189 Viston®collar
45 4800170 Shut-offv alve assy.
46 480017325 Pump lever (item 75 incl.)
47 4900230 Spray tube 20"
48 4061345 Gasket
49 0031356 Washer
51 4074680 Protective cover
52 0010110 Bolt
53 0020101 Hex nut
54 4074408 Connecting rod with stud
55 4074412 Buckle
55-a4074425  Pin, backpack straps
584074996 Clip, wand retaining
60 4073411 Housing (diaphragm)
61 4073410 Flange
63 4400222 Valve assy. (item 12, 20 incl.)
64 0018275 Screw
65 4074256 Plunger
66 4074246 Diaphragm
67 4074255 Lever
68 4031130 Wrist pin
69 4074234 "R"connecting bracket
70 4074243 "L"connecting bracket
72 0010141 Bolt
73 4074837 Hook
75 4074392 Grip
97 4074295 Pin
98 4061464 Vent plate
99 4074123 Vent cap
100 4074329 Lock clip
101 4074336 Retaining nut
102 4074335 Lever
103 0062271 O-ring
106 0062324 O-ring
1 4200215 Plug (item8 incl.)
50 4900454 Fold away handle (item 58 incl.)
56 0020119 Nut
57 0012192 Bolt
58 4074996 Clip
59 0065210

Heavy Duty

Brassflay spray nozzle
 

4073725

 Carry Handle
76 4900430   Driftguard
80 4900477 Double spray nozzle
81 4900528 Extension wand 60" (1250 mm)
90 4900622

Heavy Duty

Pressure gauge w/connection parts
92 4900513 Extension tube 20" (500 mm)
94 4074338 Retaining nut
95 0062249 O-ring
-- 0610410-P Adj. spray nozzle assy.
-- 4900207 Adj. spray nozzle
-- 4300343 Shoulder saver harness
96 4900258N Elbow nozzle assy.