Jet 550660, Operations & Parts Manual

Page: 17 / 20

JET 17
#550661, JCT-4661 Paving Breaker (90 lb.)
Index Part No. Description Qty
1 P91213 Rubber grip 2
2 JCT4661-02 Back head 1
3 P91220 Oil control plug 1/8PT 1
4 P91245 Felt oiler Ø8.5x25L 1
5 P91217 Throttle lever 1
6 P91250 Spring pin 4x40L 1
7 P91251 Stop lever 1
8 P91252 Stop lever spring 1
9 P91218 Throttle lever pin Ø8x30L 2
10 P91248 Oil tank plug 1/2PT 2
11 P91225 Back head bolt nut 4
12 P91224 Lock washer 5/8in. 4
13 P91219 Oil Plug 1
14 P91210 Plunger spring 1
15 P91209 Plunger 1
16 P91208
Valve chest dowel pin
Ø1/4x20L
1
17 P91207 Valve guide 1
18 P91205 Valve chest 1
19 P91204 Automatic valve 1
20 P91206 Valve seat 1
21 P91215 Throttle valve stem guide 1
22 P91212 O-ring 21.7x3.5mm 1
23 P91214 Throttle valve 1
24 P91216 Throttle valve spring 1
25 P91202 Cylinder plug 5
26 JCT4661-26 Cylinder 1
Index Part No. Description Qty
27 P91238 Air inlet screen 1
28 P91222
Air inlet swivel o-ring
28.5x2mm
1
29 P91235 Air inlet swivel 1
30 P91237 O-ring 29.4x3.1mm 1
31 P91236 Air inlet swivel nut 1
32 P91246 Rubber cap 1
33 P91223 Back head bolt 4
34 P91239 Front head bolt 2
35 P91244 Rubber plug 1
36 P91203 Piston hammer 1
37 JCT4661-37 Tappet seat 1
38 P91227 Tappet 1
39 P61143 Front head bushing 1
40 JCT4661-40 Front head 1
41 P91242 Front head bolt spring 2
42 P91241 Front head bolt lock washer 2
43 P91240 Front head bolt nut 2
44 P91229 Steel retainer bolt 1
45 P91232 Steel retainer bolt bushing 2
46 P91231 Lock washer 3/4in. 1
47 P91230
Steel retainer bolt nut,
3/4-16UNF
1
48 P91234 Steel retainer spring 1
49 P91233 Steel retainer plunger 1
50 P91228 Steel retainer 1
JCT4660-RPK, Repair Kit, contains #21,22,23,24
JCT4661-RBK, Rebuild Kit, contains #14,15,16,17,19,36