Jet 550660, Operations & Parts Manual, Page: 15 / 20

JET 15
#550660, JCT-4660 Paving Breaker (60 lb.)
Index Part No. Description Qty
1 P61119 Oil plug 1
2 JCT4660-02 Back head 1
3 P91245 Felt oiler Ø8.5x25L 1
4 P91220 Oil control plug 1/8PT 1
5 P91217 Throttle lever 1
6 P91250 Spring pin 4x40L 1
7 P91252 Stop lever spring 1
8 P91251 Stop lever 1
9 P91218 Throttle lever pin Ø8x30L 2
10 P91213 Rubber grip 2
11 P91225 Back head bolt nut 4
12 P91224 Lock washer 5/8in. 4
13 P91210 Plunger spring 1
14 P91209 Plunger 1
15 P61107 Valve guide 1
16 P61105 Valve chest 1
17 P91204 Automatic valve 1
18 P61106 Valve seat 1
19 P91215 Throttle valve stem guide 1
20 P91212 O-ring 21.7x3.5mm 1
21 P91214 Throttle valve 1
22 P91216 Throttle valve spring 1
23 P91202 Cylinder plug 3
24 P91208
Valve chest dowel pin
Ø1/4x20L
1
25 JCT4660-25 Cylinder 1
Index Part No. Description Qty
26 P91238 Air inlet screen 1
27 P91222
Air inlet swivel o-ring
28.5x2mm
1
28 P91235 Air inlet swivel 1
29 P91237 O-ring 29.4x3.1mm 1
30 P91236 Air inlet swivel nut 1
31 P91246 Rubber cap 1
32 P61123 Back head bolt 4
33 P61139 Front head bolt 2
34 P91244 Rubber plug 1
35 P61103 Piston hammer 1
36 JCT4660-36 Tappet seat 1
37 P61127 Tappet 1
38 P61143 Front head bushing 1
39 JCT4660-39 Front head 1
40 P91242 Front head bolt spring 2
41 P91241 Front head bolt lock washer 2
42 P91240 Front head bolt nut 2
43 P91229 Steel retainer bolt 1
44 P91232 Steel retainer bolt bushing 2
45 P91231 Lock washer 3/4in. 1
46 P91230
Steel retainer bolt nut, 3/4-
16UNF
1
47 P91234 Steel retainer spring 1
48 P91233 Steel retainer plunger 1
49 P91228 Steel retainer 1
JCT4660-RPK, Repair Kit, contains #19,20,21,22
JCT4660-RBK, Rebuild Kit, contains #13,14,15,17,35