Hotsy EP • 8.914-444.0 • Rev. 10/17
25
PRESSURE WASHER
OPERATOR’S MANUAL
TORQUE
SPECS
Item #
Ft.-lbs
14
75
15
18
23
7.6
33
9
43
13
48
7.6
8.751-180.0 HM4035.3
8.751-179.0 HM3540.3
8.923-100.0 HM4031.3
8.923-165.0 HM4030.3
HM PUMP EXPLODED VIEW - PUMP PARTS LIST
ITEM PART NO.
DESCRIPTION
QTY
1
8.751-216.0
Crankcase
1
2*
See Kits Below Seal, Oil, Plunger
3
3*
See Kits Below O-Ring, 1.78 X 31.47
3
4*
See Kits Below Ring, Pressure, 20mm
3
5*
See Kits Below "U" Seal, 20mm
6
6*
See Kits Below Ring, Intermediate 20mm
3
7*
See Kits Below "U" Seal, 20mm
3
8
9.803-199.0
Washer, Copper
1
9
9.802-926.0
Plug, Brass 1/2
1
10
8.751-219.0
Manifold Housing
1
11*
See Kits Below O-Ring, 2.62 X 17.13
6
12*
See Kits Below Valve Assembly
6
13*
See Kits Below O-Ring, 2.62 X 20.29
6
14
9.802-928.0
Valve Cap
6
15
9.802-938.0
Stud, Bolt Manifold
8
16
9.802-884.0
Washer
8
17
9.803-198.0
Washer, Copper
1
18
9.802-925.0
Plug, 3/8
2
23
9.802-944.0
Hexagonal Screw
8
24
8.717-210.0
Closed Bearing Housing
1
25
9.803-192.0
O-Ring, 2.62 X 60.05
2
26
8.933-011.0
Bearing, Roller
2
27
8.751-223.0
Crankshaft, (4030, 4035)
1
8.751-222.0
Crankshaft, (3540)
1
8.717-063.0
Crankshaft (4031)
1
28
9.803-167.0
Key, Crankshaft
1
ITEM PART NO.
DESCRIPTION
QTY
29
9.802-921.0
Dipstick
1
30
9.803-140.0
Crankshaft Seal
1
31
9.803-178.0
Shim
1
32
8.717-209.0
Bearing Housing
1
33*
See Kits Below Plunger Nut, M8
3
34*
See Kits Below Spacer, Copper
3
35*
See Kits Below Plunger
3
36*
See Kits Below Spacer, Copper
3
37*
See Kits Below O-Ring,
3
38*
See Kits Below Ring, Teflon
3
39
8.751-225.0
Rod, Plunger (4030,4031, 4035)
3
8.751-225.0 Plunger Rod (3540) 3
40
9.803-158.0
Connecting Rod
3
41
8.751-228.0
Pin, Connecting Rod
3
42
9.803-218.0
Washer, Spring
6
43
9.803-238.0
Screw,
6
44
8.933-016.0
O-Ring, 2.62 X 126.67
1
45
8.751-229.0
Crankcase Cover
1
46
9.803-197.0
O-Ring, 1.78 X 14
1
47
9.803-202.0
Sight Glass, G3/4
1
48
9.802-939.0
Screw, Cover
5
* Available In Kit (See Below)
