97-6642 • HOTSY 781SS, 871SS, 921SS • REV. 7/06
OPERA
TOR’S MANU
AL
PRESSURE
W
ASHER
28
tOrquE
SpEcS
Item # Ft.-lbs
14
65
17
22
25
8
36
8
38
9
47
13
hg SEriES puMp ExpLODED viEW partS LiSt
hg SEriES puMp ExpLODED viEW
itEM part nO.
DEScriptiOn
qty
1
70-020292
Crankcase
1
2
*
See Kit Below
Plunger Oil Seal
3
3
*
70-060181
O-Ring Ø1.78 x 28.30
3
4
*
70-120120
Pressure Ring, 15mm
3
5
*
See Kit Below
"V" Seal, 15mm
6
6
*
70-030048
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
19
70-060306
Copper Washer 3/8"
1
20
70-160117
Brass Plug 3/8"
2
itEM part nO.
DEScriptiOn
qty
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
70-000498
Crankshaft (2530G)
1
70-000499
Crankshaft (3030G)
1
31
70-160012
Oil Dip Stick
1
32
70-060183
O-Ring 3.53 x 55.56
1
33
70-020011
Needle Roller Bearing
1
34
70-050096
Engine Flange
1
35
70-140002
Spring Washer
4
36
70-180126
Flange Screw
4
37
70-000105
Crankshaft Seal
1
38* 70-030211
Plunger Nut
3
39* See Kit Below Plunger, 15mm
3
40* 70-140027
Copper Spacer
3
41* 70-060130
O-Ring Ø1.78x5.28
3
42* 70-000913
Teflon Ring
3
43
70-000320
Plunger Rod
3
5-1250 hg2530g
5-1254 hg3030g
Summary of Contents for 781SS
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