Homelite UT21004 Quick setup guide

HOMELITE
26cc MIGHTYLITE STRING TRIMMER
MODEL NOS. UT21004, UT21044, UT29005, UT29045
ALL VERSIONS
REPAIR SHEET

HOMELITE 26cc MIGHTYLITE STRING TRIMMER – MODEL NUMBERS UT21004 AND UT29005
2
FIGURE A
1
15
4
2
7
6
8
9
11
12
13
15
23
17
14
3
22
10
5
16
13
18
19
21
20
24

HOMELITE 26cc MIGHTYLITE STRING TRIMMER – MODEL NUMBERS UT21004 AND UT29005
3
KEY PART
NO. NUMBER DESCRIPTION QTY
PARTS LIST (FIGURE A)
* STANDARD HARDWARE ITEM – MAY BE PURCHASED LOCALLY
The model number will be found on a plate attached to the engine housing. Always mention the model number in all correspondence regarding your
STRING TRIMMER or when ordering repair parts.
1 870174001 * Spark Plug (Champion RCJ6Y) .........................1
2 940642025 Logo Label.........................................................1
3 678029002 Hex Nut (M6)......................................................1
4 519823001 Air Box Cover ....................................................1
5 940734059 Starting Label ....................................................1
6 660634001 Screw (8-16 x 5/16 in.).......................................1
7 760700002 Switch................................................................1
8 308680001 Fuel Cap ............................................................1
9 660697002 Bolt (M6 x 20 mm) .............................................1
10 270032001 Throttle Cable ....................................................1
11 518529001 Throttle Trigger ..................................................1
12 518674001 Handle ...............................................................1
13 660643009 Bolt (1/4-20 x 40 mm)........................................2
14 518949001 Wing Nut (1/4-20) ..............................................1
15 678008001 Washer (1/4-20) .................................................2
16 678034001 Wing Nut (1/4-20) ..............................................1
17 T308744001 Curved Shaft Grass Deflector............................1
18 308746002 Dual String Head Housing .................................1
19 308044007 Dual Line Spool and String................................1
20 308042002 Spool Retainer...................................................1
21 678022001 Spring ................................................................1
22 940964009 Warning Label....................................................1
23 308740005 Boom Assembly ................................................1
24 308743002 String Head Assembly .......................................1
987000618 Operator’s Manual (960089005)
6-23-10
(REV:02)
KEY PART
NO. NUMBER DESCRIPTION QTY

4
HOMELITE 26cc MIGHTYLITE STRING TRIMMER – MODEL NUMBERS UT21044 AND UT29045
FIGURE B
10
3
23
12
14
17
28
18
19
20
24
21
16
15
22
13
11
25
1
4
2
7
6
8
9
5
26
27
29
31
30

5
HOMELITE 26cc MIGHTYLITE STRING TRIMMER – MODEL NUMBERS UT21044 AND UT29045
KEY PART
NO. NUMBER DESCRIPTION QTY
KEY PART
NO. NUMBER DESCRIPTION QTY
PARTS LIST (FIGURE B)
* STANDARD HARDWARE ITEM – MAY BE PURCHASED LOCALLY
The model number will be found on a plate attached to the engine housing. Always mention the model number in all correspondence regarding your
STRING TRIMMER or when ordering repair parts.
1 870174001 * Spark Plug (Champion RCJ6Y) .........................1
2 940642026 Logo Label.........................................................1
3 678029002 Hex Nut (M6)......................................................1
4 519823001 Air Box Cover ....................................................1
5 940734059 Starting Label ....................................................1
6 660634001 Screw (8-16 x 5/16 in.).......................................1
7 760700002 Switch................................................................1
8 308680001 Fuel Cap ............................................................1
9 660697002 Bolt (M6 x 20 mm) .............................................1
10 270032001 Throttle Cable ....................................................1
11 518529001 Throttle Trigger ..................................................1
12 518674001 Handle ...............................................................1
13 678008001 Washer (1/4-20) .................................................1
14 678034001 Wing Nut (1/4-20) ..............................................1
15 660643009 Bolt (1/4-20 x 40 mm)........................................1
16 518949001 Wing Nut (1/4-20) ..............................................1
17 678436001 Mounting Bracket ..............................................1
18 308781001 Straight Shaft Grass Deflector...........................1
19 308746002 Large String Head Housing ...............................1
20 308044007 Dual Line Spool and String................................1
21 308042003 Spool Retainer...................................................1
22 308740002 Boom Assembly ................................................1
23 940964039 Warning Label....................................................1
24 678022001 Spring ................................................................1
25 308743002 String Head Assembly .......................................1
26 678011003 Flanged Washer.................................................1
27 678019002 Arbor..................................................................1
28 660857001 Screw (1/4-20 x 1 in., Sq. Hd.) ..........................1
29 308210002 Gear Head .........................................................1
30 660642001 Bolt (1/4-20 x 1-1/4 in.)......................................1
31 660641001 Screw (10-24 x 5/8 in.).......................................1

6
HOMELITE 26cc MIGHTYLITE STRING TRIMMER –
MODEL NUMBERS UT21004, UT21044, UT29005, UT29045
11
12
13
14
1
10
15 16
17
18
19
20
25
27
28
29
30
3
4
5
7
2
9
8
6
34
21
22
23
32
33
24
26
31

7
HOMELITE 26cc MIGHTYLITE STRING TRIMMER –
MODEL NUMBERS UT21004, UT21044, UT29005, UT29045
KEY PART
NO. NUMBER DESCRIPTION QTY
PARTS LIST
The model number will be found on a plate attached to the engine housing. Always mention the model number in all correspondence regarding your
STRING TRIMMER or when ordering repair parts.
1 308891001 Short Block Assembly (Inc. Key Nos. 31-33).....1
2 638033001 Spring & Container Assembly............................1
3 660967001 Screw (M4 x 14 mm)..........................................3
4 638389002 Pulley Retainer...................................................3
5 900849002 Starter Rope ......................................................1
6 511731001 Starter Grip ........................................................1
7 310022001 Easy Starter Assembly ......................................1
8 308672001 Front Housing Assembly ...................................1
9 660970001 Screw (M4 x 16 mm)..........................................4
10 308671015 Starter Housing Assembly (Inc. Key Nos. 2-8)...1
11 518504001 Rear Housing.....................................................1
12 660466001 Screw (M4 x 18 mm)..........................................4
13 901551001 Intake Gasket.....................................................1
14 518497001 Heat Dam...........................................................1
15 518685001 Heat Dam Deflector ...........................................1
16 901552001 Carburetor Gasket .............................................1
17 308054013 Carburetor .........................................................1
18 518766001 Air Box Base......................................................1
19 660454007 Screw (M5 x 70 mm)..........................................2
20 660638003 Screw (10-24 x 2-1/8 in.) ...................................2
21 850108001 Ignition Module..................................................1
22 308863001 Lead Assembly ..................................................1
23 901452001 Muffler Gasket ...................................................1
24 308990016 Muffler Assembly...............................................1
25 308675002 Fuel Tank Assembly w/Cap ...............................1
26 638442001 Heat Shield ........................................................1
27 660970002 Screw (M4 x 10 mm Shoulder) ..........................3
28 308811001 Flywheel Assembly ............................................1
29 631049001 Washer...............................................................1
30 638348001 Drive Connector.................................................1
31 901550001 Gasket ...............................................................1
32 638337001 Crankcase Cover ...............................................1
33 660925003 Screw (M4 x 12 mm)..........................................6
34 660968001 Screw (M4 x 19 mm)..........................................2
KEY PART
NO. NUMBER DESCRIPTION QTY