97-6642 • HOTSY 781SS, 871SS, 921SS • REV. 7/06
OPERATOR’S MANUAL
PRESSURE WASHER
30
HG-1 SERIES PUMP EXPLODED VIEW
HG-1 SERIES PUMP EXPLODED VIEW PARTS LIST
5-1255 HG3035G1
TORQUE
SPECS
Item # Ft.-lbs
14 65
17 22
25 8
37 8
39 9
48 13
ITEM PART NO. DESCRIPTION QTY
1 70-020292 Crankcase 1
2*
See Kit Below
Plunger Oil Seal 3
3* 70-060107 O-Ring Ø1.78 x 31.47 3
4* 70-120120 Pressure Ring, 15mm 3
5*
See Kit Below
"V" Seal, 15mm 6
6* 70-030027 Support Ring 15mm 6
7 70-030049 Intermediate Ring, 15mm 3
8 70-160120 Brass Plug, 1/2" 1
9 70-060307 Copper Washer 1/2" 1
10 70-160228 Manifold Housing 1
11* 70-060155 O-Ring Ø1.78 x 15.54 6
12*
See Kit Below
Valve Assembly 6
13* 70-060122 O-Ring Ø2.62 x 18.77 6
14 70-160147 Valve Plug 6
15 70-060308 Washer, Copper 1
16 70-160121 Brass Plug G1/4 1
17 70-180118 Manifold Stud Bolt 8
18 70-140001 Washer 8
ITEM PART NO. DESCRIPTION QTY
19 70-060306 Copper Washer 3/8" 1
20 70-160117 Brass Plug 3/8" 2
25 70-180112 Hexagonal Screw 9
26 70-020318 Bearing Cover 1
27 70-020502 Seal Bearing 1
28 70-150003 Snap Ring 1
29 70-021300 Ball Bearing 1
30 70-000495 Crankshaft (3035G1) 1
70-000496 Crankshaft (3535G1) 1
70-000497 Crankshaft (4030G1) 1
31 70-180302 Set Screw 1
32 70-160012 Oil Dip Stick 1
33 70-060183 O-Ring 3.53 x 55.56 1
34 70-020010 Needle Roller Bearing 1
35 70-050055 Engine Flange 1
36 70-140002 Spring Washer 4
37 70-180132 Flange Screw 4
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