Ryobi RY28020 Quick setup guide

30cc STRING TRIMMERS
30cc BRUSHCUTTERS
REPAIR SHEET
MODEL NUMBERS
RY30000, RY30000A, RY30000B,
RY30002, RY30002A, RY30002B,
RY30004, RY30004A, RY30004B, RY30004D
RY30021A, RY30041A
RY30061A

2
RYOBI 30CC STRING TRIMMERS AND BRUSHCUTTERS MODEL NUMBERS – RY30000, RY30000A, RY30000B,
RY30002, RY30002A, RY30002B, RY30004, RY30004A, RY30004B, RY30004D, RY30021A, RY30041A, AND RY30061A
2
FIGURE A
18
20
1, 3
2
4
6
7
8
9
10 11
5
5
12 13
14
17
4
19
21
15
22
23
24
25
26
5
28, 29 & 30
31
32 33
27
16

3
RYOBI 30CC STRING TRIMMERS AND BRUSHCUTTERS MODEL NUMBERS – RY30000, RY30000A, RY30000B,
RY30002, RY30002A, RY30002B, RY30004, RY30004A, RY30004B, RY30004D, RY30021A, RY30041A, AND RY30061A
FIGURE A PARTS LIST
KEY PART
NO. NUMBER DESCRIPTION QTY.
18 A08130 “J” HANDLE AND GRIP (BC) . . . . . . . . . . 1
19 83009 LOCK WASHER (BC) . . . . . . . . . . . . . . . . 2
20 82278 HEX HEAD BOLT (BC) . . . . . . . . . . . . . . . 1
21 82496 SCREW (BC). . . . . . . . . . . . . . . . . . . . . . . 1
22 00422 HANDLE BAR CLAMP (BC) . . . . . . . . . . . 2
23 84004 WASHER (BC). . . . . . . . . . . . . . . . . . . . . . 2
24 81242 HEX NUT (BC) . . . . . . . . . . . . . . . . . . . . . 2
25 06542A “D” HANDLE (CS and SS) . . . . . . . . . . . . 1
26 PA00249 FASTENER PARTS KIT (CS and SS) . . . . 1
27 984240001 ON/OFF LABEL . . . . . . . . . . . . . . . . . . . . 1
28 985162001 MODEL LABEL (CS30) . . . . . . . . . . . . . . . 1
29 985163001 MODEL LABEL (SS30) . . . . . . . . . . . . . . . 1
30 985164001 MODEL LABEL (BC30) . . . . . . . . . . . . . . . 1
31 985595001 PRIMER LABEL . . . . . . . . . . . . . . . . . . . . 1
32 985593001 CHOKE LABEL . . . . . . . . . . . . . . . . . . . . . 1
33 985592001 STARTING LABEL. . . . . . . . . . . . . . . . . . . 1
983000401 OPERATOR’S MANUAL
983000462 CUSTOMER SHEET
983000401R REPAIR SHEET (REV:04)
05-03-06
KEY PART
NO. NUMBER DESCRIPTION QTY.
1 984032002 WARNING DECAL (CS and SS) . . . . . . . . 1
2 985383001 BOOM ASSEMBLY (CS and SS) . . . . . . . 1
985384001 BOOM ASSEMBLY, UPPER (BC) . . . . . . . . . . . 1
3 984102002 WARNING DECAL (BC) . . . . . . . . . . . . . . 1
4 985382001 HANDLE ASSEMBLY (W/OUT SCREWS) . 1
5 82589 HANDLE SCREW . . . . . . . . . . . . . . . . . . . 9
6 PS06258 TRIGGER LOCK . . . . . . . . . . . . . . . . . . . . 1
7 PS06259 TRIGGER . . . . . . . . . . . . . . . . . . . . . . . . . 1
8 PS01718 SPRING . . . . . . . . . . . . . . . . . . . . . . . . . . 1
9 986493001 SPRING . . . . . . . . . . . . . . . . . . . . . . . . . . 1
10 985835001 RING GUARD . . . . . . . . . . . . . . . . . . . . . . 1
11 944701 SHOULDER STRAP (BC) . . . . . . . . . . . . . 1
12 PS02764 SWITCH (MOMENTARY CONTACT). . . . . 1
13 PA00387 LEAD ASSEMBLY. . . . . . . . . . . . . . . . . . . 1
14 82538 SCREW. . . . . . . . . . . . . . . . . . . . . . . . . . . 1
15 PS01177 THROTTLE CABLE. . . . . . . . . . . . . . . . . . 1
16 985157001 LOGO PLATE . . . . . . . . . . . . . . . . . . . . . . 1
17 PS02155 HANGER CAP . . . . . . . . . . . . . . . . . . . . . 1

4
RYOBI 30CC STRING TRIMMERS AND BRUSHCUTTERS MODEL NUMBERS – RY30000, RY30000A, RY30000B,
RY30002, RY30002A, RY30002B, RY30004, RY30004A, RY30004B, RY30004D, RY30021A, RY30041A, AND RY30061A
54
53
55
52
56
4
38
49
41
40
39
57
37
46
45
29
33
31
35
42
32
30
34
25
26 23
24
50
3
1
19
57
6
16
12
18
8
15
13
14
11
10
9
28
43
44
17
21
22 20
2
27
51
36
47
48
58
59
60

5
RYOBI 30CC STRING TRIMMERS AND BRUSHCUTTERS MODEL NUMBERS – RY30000, RY30000A, RY30000B,
RY30002, RY30002A, RY30002B, RY30004, RY30004A, RY30004B, RY30004D, RY30021A, RY30041A, AND RY30061A
31 98929A WASHER ......................................................... 1
32 PS05267 SPACER .......................................................... 1
33 PA01613 DRUM & CONNECTOR .................................. 1
34 986153001 ROTOR PAWL ASSEMBLY ............................. 1
35 308374001 STARTER PULLEY ASSEMBLY ...................... 1
36 985872001 PISTON ASSEMBLY (INCL. KEY NO. 54-58) . 1
37 A98773A SPRING & CONTAINER .................................. 1
38 984743001 HEAT SHEILD (CAT.) ......................................... 1
39 9789902 STARTER ROPE .............................................. 1
40 PS06114 STARTER GRIP ............................................... 1
41 984837001 BAFFLE ........................................................... 1
42 82543 * SCREW (8-16 X .5 in. THD. FORM. ) .................. 3
43 82537 * SCREW (10-14 X .875 in. THD. FORM. ) ............2
44 984829001 REAR HOUSING ............................................. 1
45 82538 SCREW (ST-155) ............................................. 3
46 PA01641 STARTER HOUSING W/EYELET .................... 1
47 900999002 TANK INSULATION GASKET .......................... 1
48 985767001 BUMPER ......................................................... 1
49 984759001 * SCREW (6-20 X .25 in. TRI-LOBULAR) ........... 3
50 985596001 OUTLET TUBE ................................................ 1
51 984753001 SCREEN .......................................................... 1
52 985871001 PISTON W/PINS ............................................. 1
53 03179 PISTON RING 30CC ....................................... 2
54 65261 RETAINING RING ............................................ 2
55 00238A PISTON PIN .................................................... 1
56 PA00190 CONNECTING ROD ASSEMBLY .................... 1
57 985544001 COMPLETE STARTER ASSEMBLY ................ 1
58 985524002 CYLINDER, 30CC ........................................... 1
59 985259001 CYLINDER GASKET ....................................... 1
60 PS02807 SCREW (12-24 X 5/8 in.) ................................. 3
1 985873001 SHORT BLOCK ASSEMBLY ........................... 1
2 308092008 MUFFLER ASSEMBLY ...................................... 1
3 984760001 MUFFLER GASKET ........................................ 1
4 88083 * SCREW (TORX HD. SEMS) ............................. 2
5 660346002 BOLTS ............................................................. 2
6 984762001 HEAT DAM GASKET ....................................... 1
7 98768A HEAT DAM ...................................................... 1
8 81208 LOCK NUT HX 10-24 ...................................... 2
9 093221 * SCREW (TORX PAN HD. SEMS) ..................... 2
10 9074002 CARBURETOR GASKET ................................1
11 98766A CARBURETOR GASKET ................................1
12 5945603 SPACER .......................................................... 1
13 98760 FILTER ( ** ITEM NO. AP04107) ...................... 1
14 PS02113 BOX AIR FILTER CONEHEAD ......................... 1
15 PS02309 COVER AIR BOX ............................................. 1
16 0143910 TUBING, RUBBER (63.5 MM) ......................... 1
17 985304001 FITTING, INLINE FUEL ...................................1
18 985624001 CARBURETOR, ZAMA ................................... 1
19 06443A GASKET, C/C COVER ..................................... 1
20 PA01624 FUEL TANK W/CAP ASSEMBLY .................... 1
21 985210001 FUEL CAP ASSEMBLY ( **ITEM NO. AP04108) . 1
22 98792 BUMPER ......................................................... 2
23 A06964 LEAD W/TERMINALS ..................................... 1
24 A06963 LEAD .............................................................. 1
25 82540 * SCREW (8-32 X 1 in. THREAD FORMING) ......... 2
26 850080001 IGNITION MODULE (W/ 3 SEC. KILL) ............ 1
27 PS02227 SPARK PLUG
( **ITEM NO. RCJ6Y OR NGK BPMR7A). ....... 1
28 984812001 * SCREW (10-24 X .75 in. PAN HD. TORX) ............. 4
29 00242 CLUTCH .........................................................2
30 PS05268 WASHER ......................................................... 1
KEY PART
NO. NUMBER DESCRIPTION QTY.
* STANDARD HARDWARE ITEM – MAY BE PURCHASED LOCALLY
** STOCK ITEM – MAY BE SECURED THROUGH THE HARDWARE DEPARTMENT OF MOST HOME DEPOT STORES
KEY PART
NO. NUMBER DESCRIPTION QTY.

6
RYOBI 30CC STRING TRIMMERS AND BRUSHCUTTERS MODEL NUMBERS – RY30000, RY30000A, RY30000B,
RY30002, RY30002A, RY30002B, RY30004, RY30004A, RY30004B, RY30004D, RY30021A, RY30041A, AND RY30061A
FIGURE B
MODELS
RY30000
RY30000A
RY30021A
FIGURE C
MODELS
RY30002
RY30002A
RY30041A
FIGURE D
MODELS
RY30004
RY30004A
RY30061A
KEY PART
NO. NUMBER DESCRIPTION QTY.
1 985165001 EXPAND-IT LABEL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
2 984032002 WARNING DECAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
3 985391001 STRAIGHT SHAFT ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
4 984443004 GRASS DEFLECTOR ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
5 984931001 WASHER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
6 PS04438 SHAFT ADAPTER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
7 A97910A SPOOL RETAINER (LHT) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
8 984244001 GEAR HEAD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
9 983381007 SCREW (1/4-20 X 1-1/4 in.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
10 PS04420 CLAMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
11 983774003 SCREW (10-24 X 5/8 in.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
12 983379078 SCREW (1/4-20 X 1-1/4 in.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
13 AP04101 STRINGHEAD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
14 984238001 SPOOL AND STRING (.095 in.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
15 06713 SPRING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
16 A98231A HOUSING W/EYELET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
17 PS04379 BLADE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
18 82543 SCREW, THREAD FORMING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
19 984099001 GRASS DEFLECTOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
20 985625001 SPACER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
14 PS04420 CLAMP ......................................... 1
15 983381007 SCREW (1/4-20 X 1-1/4 in.) .........1
16 00063 HOLDING PIN .............................. 1
17 983379078 SCREW (1/4-2- X 1-1/4 in.) .......... 1
18 AP04101 STRINGHEAD (.095 IN.) ...............1
19 984238001 SPOOL AND STRING (.095 in.) ....... 1
20 06713 SPRING ........................................1
21 A98231A HOUSING AND EYELET .............. 1
22 PS04438 ADAPTER SHAFT ........................1
23 PS04379 BLADE .........................................1
24 82543 SCREW, THREAD FORMING ......3
25 984099001 GRASS DEFLECTOR ...................1
26 985625001 SPACER ....................................... 1
7
1
4
3
7
8
5
2
3
1
4
2
1
16
8
7
12
KEY PART
NO. NUMBER DESCRIPTION QTY.
1 985165001 EXPAND-IT LABEL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
2 984032002 WARNING DECAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
3 985569003 CURVED SHAFT ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
4 985623002 GRASS DEFLECTOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
5 PA00249 FASTENER PARTS KIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
6 A98866A SPOOL RETAINER (RHT) (**ITEM NUMBER A98866A) . . . . . . . . . . . . . . . . . . . . .1
7 AH04102 COMPLETE STRING HEAD(.080 in.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
8 PA0387A SPOOL AND STRING (.080 in.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
9 A98231A HOUSING AND EYELET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
10 06713 SPRING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
9
10
6
6
5
9
10
11
2
3
5
15
14
13
4
12
11
17
10
98
KEY PART
NO. NUMBER DESCRIPTION QTY.
1 985165001 EXPAND-IT LABEL ........................1
2 984102002 BRUSHCUTTER SAFETY LABEL ..... 1
3 985390001 STRAIGHT SHAFT ASSEMBLY .....1
4 PA01364 GEAR HEAD ..................................1
5 PS03538 BRUSHCUTTER GUARD ............... 1
6 984443004 GRASS DEFLECTOR ASSEMBLY .....1
7 06297 TRI-ARC BLADE ............................1
8 A97910A SPOOL RETAINER (LHT) ............... 1
9 04277 LOCK NUT ..................................... 1
10 04409 CUPPED WASHER ........................ 1
11 04168A FLANGED WASHER ..................... 1
12 88049 SCREW (10-24 X 1/2 in.) ...............3
13 983774003 SCREW (10-24 X 5/8 in.) ...............1
23
20
21
19
16
15
14
13
22
24
25
17
18
19
6
18
26
20