715-721 • HDS-NG LP • 9.800-160.0 • Rev. 4/10
OPERATOR’S MANUAL
PRESSURE WASHER
38
PISTON AND SEALS EXPLODED VIEW
HDS 4.5/22 Ea St (1.575-715.0)
HDS 3.5/30 Ea St (1.575-719.0)
ITEM PART NO.
DESCRIPTION
QTY
1
4.553-248.0 Piston, Complete (719.0)
1
4.553-251.0 Piston, Complete (715.0)
1
2
6.472-331.0 Valve Spring
3
3
6.362-365.0 O-Ring Seal Complete
1st. -R 7.65 x 1.7
3
4
5.110-220.0 Sleeve Ceramic
3
5
5.115.358.0 Washer
3
6
6.305-004.0 Countersunk Screw
M5 x 20-A2-70-Sw
3
7
5.115-539.0 Washer
3
8
5.332-289.0 Helical Spring
3
9
6.362-796.0 O-Ring Seal 107.62 x 2.62
1
10
5.060-432.0 Housing
1
11
7.306-105.0 Screw M6 x30 8.8-R3R (In6Rd) 2
ITEM PART NO.
DESCRIPTION
QTY
12
6.365-525.0 Grooved Ring
3
13
5-115-537.0 Washer
3
14
6.365-053.0 Compact Seal 20 x 30 x 6
3
15
5.112-420.0 Bush
3
16
5.115-538.0 Washer
3
17
6.362-092.0 O-Ring Seal, 36.0 x 2.0 NBR 70 3
18
6.365.330.0 Grooved Ring
3
19
4.550-607.0 Cylinder Head, Complete
Replacement Only
1
20
7.306-155.0 Cylinder Head Screw M12x100
8.8-A3E IS
4
21
6.288-050.0 Engine Oil 1L
1
100
2.883-913.0 Spare Part Set Pump
(Includes Low Pressure and Water
Seals and Check Valves)
1
PISTON AND SEALS EXPLODED VIEW PARTS LIST